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Daikin RX36MY1E Сервис мануал онлайн [4/255] 546174
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- Daikin industries ltd 2
- Refnet piping 7 5
- Super wiring system 5 5
- System basic configuration 1 5
- What is a vrv system 2 list of vrv unit models 5
- Skyair residential air conditioner 6
- Vrv system 6
- What is a vrv system 6
- Introduction 3 7
- List of outdoor unit models 7
- List of vrv unit models 7
- Sie30 408 list of vrv unit models 7
- Introduction 8
- List of vrv unit models sie30 408 8
- K p fxy 9
- Nomenclature 9
- Nomenclature previous indication 9
- Indoor unit 10
- Introduction 10
- List of vrv unit models sie30 408 10
- B s v kj v1 p 100 11
- Bev k ve 71 11
- Bs unit only necessary for heat recovery system 11
- Connection unit only necessary for fuyp indoor units 11
- Introduction 7 11
- Sie30 408 list of vrv unit models 11
- E p r s x 12
- B s v m v1 q 100 13
- Bs unit only necessary for heat recovery system 13
- Indoor unit 13
- M q fx 13
- Nomenclature new indication 13
- Bev m ve q 71 14
- Connection unit only necessary for fxuq indoor units 14
- Introduction 14
- List of vrv unit models sie30 408 14
- M b 4 8 q rxy 14
- Outdoor unit 14
- Cooling heating selection standard system 15
- System basic configuration 15
- Type a 15
- Type b 16
- Type c 17
- Heat recovery cooling heating individual operating system 18
- Introduction 15 19
- Points of super wiring system 19
- S y s tem 19
- Sie30 408 super wiring system 19
- Super wiring system 19
- Example of system 20
- In super wiring system limit the wire length within the following number except the wiring of remote controller due to standardization of wiring for connection between outdoor and indoor unit and centralized transmission lines 20
- In the above system the farthest connecting distance is 900m between a and c conforming the condition of the farthest length of 1000m or less and the total wiring length is 1100m the sum of 900m between a and c plus 200m between b and d also conforming the condition of 2000m or less thus as long as both the farthest length and the total wiring length stay within the limits the system operates without any trouble 20
- Introduction 20
- Note be sure to check the farthest length and the total wiring length in designing if the sum of lengths exceeds the restricted limits divide the system or install more diii net expander adapters as countermeasures 20
- Super wiring system sie30 408 20
- The farthest length 1000m or less the total wiring length 2000m or less 20
- When using sheathed wire the total wiring length can be 1500m or less 20
- Wiring length 20
- Allowable length of refrigerant piping 21
- Allowable length of refrigerant piping actual length 21
- Allowable level difference 21
- For rsxy p ka l 21
- Notes 1 be sure to use refnet piping materials for piping branch part 2 do not make branch part after branching with refnet header 21
- Refnet piping 21
- Allowable length m 10m or less 40m or less 150m or less 22
- Allowable length of refrigerant piping actual length 22
- Allowable level difference 22
- Allowable level difference m 50m or less 22
- Between indoor units 22
- Between outdoor unit and indoor unit 22
- Between outdoor units 22
- For rx y q m 22
- If outdoor unit is located lower than indoor unit 40m or less 22
- Introduction 22
- M or less 5m or less 22
- Notes 1 be sure to use refnet piping materials for piping branch part 2 do not make branch part after branching with refnet header 22
- Outdoor branch to outdoor unit a 1 branch kit to idoor unit c outdoor branch to indoor unit b c 22
- Refnet piping sie30 408 22
- Bending radius in pipe and flare tightening torque 23
- Calculation list on equivalent length of joint for reference unit m 23
- For refrigerant piping 23
- Guideline for tightening flare nut when no torque wrench is available 23
- Notes 1 when pipe jointing with flare nut use both open ended spanner and a torque wrench 2 if no torque wrench is available refer to the following item 3 as a guide 3 in the work of tightening flare nut there should be a spot where the tightening torque suddenly increases thereafter tighten further with tightening angle shown in above list 23
- Processing dimension for flare section 23
- Control of indoor unit 8 25
- Explanations on p h diagram refrigerant characteristics table 2 2 concept of basic refrigeration cycle 3 3 points of refrigerant control of vrv system 4 25
- Other functional operations 5 25
- Basic information 26
- Change of state change from gas to liquid is said condensation and that from liquid to gas said evaporation the boundary state of each change is said saturation and the temperature generating saturation is said saturation temperature saturation temperature depends on kinds of refrigerant and pressure the characteristics of saturation temperature are shown on p h diagrams of various refrigerants which is called saturation curve the characteristics of temperature gradients for pressure and enthalpy are shown on p h diagrams which is called isothermal lines by knowing the zone divided with saturation curve in which the intersection point of pressure and isothermal line is included the information on the state of refrigerant can be provided the intersection above can be obtained by measuring pressure and temperature of refrigerant at a certain point as to single refrigerants r22 r134a etc isothermal line has no gradient in the saturated area that is the saturation temperature under certain 26
- Explanations on p h diagram refrigerant characteristics table 26
- Explanations on p h diagram refrigerant characteristics table sie30 408 26
- P h diagram shows characteristics of various refrigerants with pressure on vertical axis and enthalpy on horizontal axis 26
- States of refrigerants are classified following 3 categories superheated vapor state that refrigerant is existing as gas saturated vapor state that is mixture of liquid and gas this is also called wet vapor subcooled liquid state that refrigerant is existing as liquid 26
- Basic information 23 27
- Concept of basic refrigeration cycle 27
- Condensation 27
- Evaporation the refrigerating machine conducts above cycle with compressor condenser expansion valve and evaporator 27
- Expansion 27
- In order to prevent wet operation the superheated degree is made at evaporator outlet and refrigerant flow rate into evaporator is regulated with expansion valve so that the superheated vapor can be sucked by compressor wet operation is a state of operation where wet vapor due to the vapor not completely vaporized in the evaporator wet vapor is sucked by compressor wet operation may cause damage of compressor due to liquid compression dilution of refrigeration oil etc 27
- Sie30 408 concept of basic refrigeration cycle 27
- The refrigeration cycle is composed of repetition of the following process compression 27
- Theoretic refrigeration cycle neglecting pressure loss etc drawn on p h diagram is shown as above the difference between temperature and pressure equivalent saturation temperature is called superheated degree the difference between discharging pipe temperature and condensation temperature is called discharging superheated degree dsh the difference between suction pipe temperature and evaporating temperature is called suction superheated degree sh generally superheated degree means suction superheated degree the difference between temperature and pressure equivalent saturation temperature in subcooled liquid is called subcooled degree sc 27
- Compressor capacity control 28
- Cooling operation 28
- In order to maintain the cooling capacity corresponding to the capacity of evaporator and load fluctuation based on the pressure detected by low pressure sensor of outdoor unit pe the compressor capacity is so controlled to put the low pressure equivalent saturation temperatures evaporation temperature te close to target value 28
- In order to maintain the superheated degree in evaporator and to distribute proper refrigerant flow rate in spite of different loads on every indoor unit based on the temperature detected by thermistors of liquid pipes and gas pipes indoor electronic expansion valve is so regulated as to put superheated degree at evaporator outlet close to target value superheated degree sh indoor gas pipe temperature indoor liquid pipe temperature 28
- Points of refrigerant control of vrv system 28
- Subject to change of the number of operation thermostat on units capacity air flow rate suction temperature humidity change of indoor units load on total system changes loads on every indoor machine are different 28
- Superheated degree control of indoor electronic expansion valve 28
- Basic information 25 29
- Compressor capacity control 29
- Heating operation 29
- In order to distribute proper refrigerant flow rate in spite of different loads on every indoor unit based on the pressure detected by the high pressure sensor of outdoor unit tc and the temperature detected by the thermistor of indoor liquid pipes indoor electronic expansion valve is so controlled as to put subcooled degree at condenser outlet close to target value subcooled degree sc outdoor condensing temperature indoor liquid pipe temperature 29
- In order to maintain the heating capacity against condenser capacity and load fluctuation based on the pressure detected by high pressure sensor control pc compressor capacity is so controlled to put the high pressure equivalent saturation temperature condensing temperature tc close to target value 29
- In order to maintain the superheated degree in evaporator based on the pressure detected by the low pressure sensor te and the temperature detected by the thermistor of suction pipe outdoor electronic expansion valve is so controlled as to put superheated degree at evaporator outlet close to target value superheated degree sh outdoor suction pipe temperature outdoor evaporating temperature 29
- Sie30 408 points of refrigerant control of vrv system 29
- Subcooled degree control of indoor electronic expansion valve 29
- Subject to change of the number of operation thermostat on units capacity air flow rate suction temperature of indoor units load on total system changes loads on every indoor unit are different 29
- Superheated degree control of outdoor electronic expansion valve 29
- Above all target temperatures mean saturation temperatures on gas sides 30
- Basic information 30
- Compressor capacity control 30
- Correction of target evaporation temperature by p 30
- In addition samplings of evaporation temperature and condensation temperature are so made that pressure detected by every pressure sensors of high low pressure are read every 20 seconds and calculated and every time the compressor capacity inv frequency or std on off is controlled to eliminate deviation from target value 30
- In the compressor capacity controller of vrv system the pressure detected pe or pc by pressure sensor installed in outdoor unit is converted into equivalent saturation temperature and the evaporation temperature te while cooling or the condensation temperature tc while heating are so controlled with pi control as to put them close to the target value in order to maintain stable capacity in spite of incessantly varying load refer target value below table 30
- Points of refrigerant control of vrv system sie30 408 30
- Target condensation temperature high pressure target evaporation temperature low pressure r22 46 c 1 mpa 5 c 0 9mpa r407c 48 c 1 mpa 7 c 0 8mpa r410a 46 c 2 mpa 6 c 0 6mpa 30
- Target value adjustment can be made through field setting long connection piping at the installation site may increase pressure loss in piping and an inverse installation outdoor unit is placed lower than indoor unit may increase liquid pipe inside resistance in such case lower setting of target evaporation temperature by using field setting will give stable operation on the other hand for short connection piping higher setting will make stable operation easy 30
- The pressure loss in piping increases depending on connecting piping length and operation capacity of compressor in order to compensate capacity lowering caused by the pressure loss in piping the following correction are made 30
- Control of electronic expansion valve 31
- Electronic expansion valve of indoor unit 31
- Electronic expansion valve of outdoor unit 31
- Control of indoor unit 32
- Note when the outdoor air oa mixed with indoor air is sucked the room temperature may happen to be out of the set temperature because the air temperature is out of the area of operation range of remote controller thermostat in such a case install the remote controller thermostat in the room where there is no influence of outdoor air 32
- Operation range of remote controller thermostat 32
- Room temperature is controlled by remote controller thermostat side and suction thermostat body thermostat on indoor unit side however when remote controller thermostat is set to not used with field setting the unit can be controlled only by body thermostat 32
- Thermostat control 32
- As to vrv system remote controller thermostat is set to use when shipped from factory normally thermostat differential is set to setting temperature 1 c at cooling while set to setting temperature 1 c in heating when shipped from factory 33
- Basic information 29 33
- Fan is driven with l flow rate during dry operation and turned off for a period of 6 minutes during thermostat off and then with l flow rate in order to prevent humidity from rising in the room during thermostat off 33
- However the unit can be controlled only by body thermostat when using 1 group remote controller for cassette type indoor unit the unit is controlled with compensation value of 2 c against body thermostat detection value in heating operation thermostat differential can be changed from 1 c to 0 c with field setting refer to page 43 and page 44 for changing 33
- In dry operation control is made based on suction temperature at the time of operation start 33
- Sie30 408 control of indoor unit 33
- Thermostat control in dry operation 33
- Thermostat control in normal operation 33
- 1 the purpose of residual operation is to completely drain any moisture adhering to the fin of the indoor heat exchanger during the thermostat off 34
- 1 when the float switch is actuated during the cooling thermostat on 34
- 2 when operation stopped no malfunction will be displayed however when operation started next time it will be displayed 34
- 2 when the float switch is actuated during thermostat off 34
- Drain pump control 34
- Conception of freeze up prevention control 35
- Freeze up prevention by off cycle the control be carried out with individual indoor unit when the temperature detected by liquid pipe temperature thermistor th2 of the indoor heat exchanger lowers and the following on condition is fulfilled the unit enters freeze up prevention operation forcedly thermostat off in freeze up prevention operation fan tap is fixed at the flow rate of l the operation will be stopped with the off condition below on condition the temperature th2 is 1 c or less for cumulative 40 min or 5 c or less for cumulative 10 min off condition the temperature th2 is 7 c or more for successive 10 min 35
- Freeze up prevention control 35
- Note when multi flow cassette super cassette of indoor unit is set as two way or three way discharge on condition is changed as below 1 c or below continues for cumulative 15 minutes or 0 c or below continues for continuous one minute when freeze up prevention is actuated fan tap is fixed at the flow rate of ll off condition is similar to the standard 35
- The condition to remove the frozen matter completely is adopted 35
- The frequency of compressor on off is limited capacity control of indoor electronic expansion valve to make sure to remove the frozen matter once enter into frozen mode aiming to make sure to prevent water from leakage 35
- To make freezing uneasy aiming to limit the frequency of thermostat on off and keep comfortableness 35
- Wide range of continuous operation can be kept aiming to maintain reliability of compressor 35
- Fan residual operation 36
- Heater control 36
- Heater control of vrv system 36
- Off condition any one of the conditions below should be satisfied 36
- On condition all conditions should be satisfied 36
- Basic information 33 37
- Cooling heating differential at 5 c 37
- In cooling heating automatic operation the unit is controlled as shown below based on set differential value factory setting of differential valve is 5 c as to charging method of setting value refer to page 43 and page 44 37
- Sie30 408 control of indoor unit 37
- Thermostat control in cooling heating automatic operation 37
- Basic information 38
- Control of indoor unit sie30 408 38
- Cooling heating differential at 0 c 38
- Cooling heating differential at 3 c 38
- In order to prevent hunting in cooling heating after cooling operation thermostat turns off if the temperature does not reach setting temperature 2 c heating operation should not be on after heating operation thermostat turns off if the temperature does not reach setting temperature 3 c cooling operation should not be on 38
- Cooling operation 39
- Explanations on main functional control 39
- Heating operation 39
- Other functional operations 39
- Explanations on electric and functional components 40
- For rsxy8 10k and rsxyp8 10kj 40
- Schematic diagram of refrigerant 40
- Electric symbols vary depend on the model of unit for correct symbol refer to relevant wiring diagram 41
- Explanation on component function 41
- Basic information 42
- For rxy q 14 16m 42
- Other functional operations sie30 408 42
- Schematic diagram of refrigerant 42
- Functional parts 43
- Field setting on outdoor unit 6 45
- Field settings from remote controller 2 45
- Check te s t 46
- Field settings from remote controller 46
- Field settings from remote controller sie30 408 46
- The following modes can be selected by using the button on the remote controller 46
- Field setting mode 47
- Settings of individual functions for indoor unit 47
- Field settings from remote controller 48
- Field settings from remote controller sie30 408 48
- List of setting item factory setting 48
- Notes 1 the settings are made by group in a batch through the selection of mode no in the individual settings can be made by each indoor unit as well checking of setting changes however can only be enabled in individual mode in the in the case of group batch control even with settings changed 01 will be displayed at all times 2 make no settings of any item not listed above furthermore if indoor units have no corresponding functions nothing will be displayed 3 to return to normal mode 88 may be displayed to initialize the remote controller 48
- Settings of group no for centralized control system 49
- Examples of settings of group no 50
- Field settings from remote controller 50
- Field settings from remote controller sie30 408 50
- Method for address setting for individual units 50
- Note refer to installation manual for using simple remote controller refer to attached information for the settings of group no of hrv or various kinds of adapters 50
- Procedure 50
- Turn on the power supply turn on the power supply of indoor unit rate control unit setting is available only with turning on the power supply check installation and electric wiring again before turning on the power in turning on the power supply after all lcds are displayed the operation is occasionally not accepted displaying 88 for a period of about one minute 2 put the system into setting mode while in normal mode press and hold the button for a period of four seconds or more to put the system into field setting mode 3 select mode no select mode no 30 using button 4 select unit no select unit no using button 5 select group no select group no using the upper and lower button of group no increases such as 1 00 1 01 to 1 15 2 00 to 4 15 6 determine group no determine the content using button 7 return to normal mode press button 50
- When setting the address in indoor units unit such as adjustment of charges select mode no 30 then make settings as the following procedure 50
- Examples of address settings 51
- Settings of airnet address 52
- Check on service data 53
- Service mode 53
- Service settings 55
- Method to specify the indoor unit no 57
- 1 f c j 58
- 1 when the oper a tion b y bu tton s i s not performed for a period of 10 s econd s the di s pl a y au tom a tic a lly s how s norm a l mode 58
- 2 f u h 58
- Check mode 58
- Check on malfunction code and model code 58
- Ex a mple of c a p a city code di s pl a y 58
- Ex a mple of indoor s y s tem code 58
- Ex a mple of indoor type code 58
- Ex a mple of indoor u nit model code di s pl a y 58
- Indoor model code i s di s pl a yed 58
- M a lf u nction code i s di s pl a yed 58
- O u tdoor model code i s di s pl a yed 58
- Pre ss the bu tton once 1 58
- Pre ss the bu tton once a g a in 1 58
- Pre ss the bu tton one more time 1 58
- Refer to a li s t on m a lf u nction code p 04 on the content s of m a lf u nction s code 58
- After setting of test operation mode pressing the button starts to operate test operation test operation is displayed on the remote controller 59
- On off 59
- Putting the system into test operation mode is available by operating the button of remote controller 59
- Setting of test operation mode 59
- Test operation mode 59
- Test operation mode setting is available by operating as follows 59
- Field setting on outdoor unit 60
- Field setting on outdoor unit sie30 408 60
- Field settings from remote controller 60
- For the multi outdoor system make setting using the master unit setting using the slave unit is not valid 60
- Procedure for changing mode 60
- Steps to change mode 60
- The following 3 setting modes are available 1 setting mode 1 h1p off initial state while in normal operation used to make setting of the method of cool heat selection this mode is displayed while in malfunction low noise control and demand control as well 2 setting mode 2 h1p on this mode is used to make changes of operating conditions or settings of a variety of addresses mainly for service work 3 monitor mode h1p blinking this mode is used to check the contents set in setting mode 2 60
- Using pushbutton switches on the pc board enables a variety of settings however setting items and setting no etc are different according to the model the following explanation was made based on the representative models of rx y q m for further details refer to each service manual of applicable model of the target machine 60
- 7 7 8 7 7 61
- 7 8 7 7 7 61
- 8 7 7 7 7 61
- 8 7 7 7 8 61
- 8 7 7 8 7 61
- Explanation of basic mode 61
- Setting mode 1 61
- Setting mode 2 62
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- 7 7 7 7 7 8 63
- 7 7 7 7 8 7 63
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- 7 7 7 8 8 7 63
- 7 7 8 7 7 7 63
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- 7 7 8 8 7 8 63
- 7 8 7 7 8 7 63
- 7 8 7 7 8 8 63
- 7 8 7 8 7 7 63
- 7 8 7 8 7 8 63
- 877778 63
- Field settings from remote controller 59 63
- Sie30 408 field setting on outdoor unit 63
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- 7 7 7 7 8 65
- 7 7 7 7 9 65
- 7 7 7 8 7 65
- 7 7 7 9 7 65
- 7 7 8 7 7 65
- 7 7 8 7 8 65
- 7 7 8 8 8 65
- 7 7 9 7 7 65
- 7 8 7 7 7 65
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- 7 8 8 8 8 65
- 8 7 7 7 7 65
- 8 7 8 7 7 65
- 8 7 8 7 8 65
- 8 7 8 8 7 65
- Monitor mode 65
- 16 12 8 3 2 66
- 4 1 3 2 8 2 66
- No 3 8 2 66
- Set return 66
- Operation procedure 67
- Setting mode 2 67
- Setting of operation of refrigerant additional charge 67
- Total process of refrigerant additional charge 67
- Use of each setting mode 67
- 7 7 7 7 7 68
- 7 7 7 7 8 68
- 7 7 7 7 9 68
- 7 7 7 8 7 68
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- 7 7 7 9 7 68
- 7 7 7 9 9 68
- 7 7 8 8 8 68
- 7 8 8 8 8 68
- 8 7 8 7 7 68
- Operating condition 68
- Operating procedures 68
- 7 7 7 7 7 69
- 7 7 7 7 9 69
- 7 7 7 8 7 69
- 7 7 7 9 7 69
- 8 7 8 7 8 69
- Operating procedures 69
- Operation procedures 69
- Setting mode 2 69
- Setting of evacuation mode 69
- Setting of refrigerant recovery mode 69
- 7977878 7977887 70
- Check oper a tion f u nction 70
- Provide the test operation mode and study the following items in order to prevent the malfunction in the field installation the check for erroneous wiring the check the stop valve judging the piping length judging the refrigerant over charging the check for missing thermistor or reverse connection in discharging pipe and the minimum opening degree at start of the motorized valve 70
- Working in the check operation 70
- For troubleshooting 8 2 check items before troubleshooting 9 71
- List of malfunction code 02 6 operating condition check sheet 08 71
- Malfunction tree analysis fta 6 71
- Method of troubleshooting 2 71
- For troubleshooting 72
- Check items before troubleshooting 73
- Check items for each indoor unit 73
- Check items for outdoor unit 73
- Check items on operation condition essential items as a minimum 73
- Other check items 73
- Check for malfunction in cooling operation 74
- If ev opening of all indoor units are the same degree the instruction control for valve opening degree is sent from the outdoor unit make sure to grasp the state by using the checker 74
- Indoor temper a t u re wb 74
- Indoor u nit oper a tion c a p a city ev opening degree 74
- Make sure that the timing of cooling malfunction generation 74
- O u tdoor temper a t u re 74
- Piping length difference in vertic a l level 74
- When cooling malfunctions check on the following factors to specify the state of malfunction peculiar on site in order to avoid an insufficient investigation at the initial check 74
- Check for malfunction in heating operation 75
- If ev opening of all indoor units are the same degree the instruction control for valve opening degree is sent from the outdoor unit make sure to grasp the state by using the checker 75
- Indoor temper a t u re 75
- Indoor u nit oper a tion c a p a city ev opening degree 75
- Make sure that the timing of heating malfunction generation 75
- O u tdoor temper a t u re 75
- Piping length difference in vertic a l level 75
- When heating malfunctions check on the following factors to specify the state of malfunction peculiar on site in order to avoid an insufficient investigation at the initial check 75
- Excessive insufficient charging of refrigerant 76
- Method of troubleshooting 76
- Change of high low pressure and frequency with excessive insufficient refrigerant gas charge presentation with image 77
- Cooling 77
- For operation with all units connected 100 1 excessively charged refrigerant gas 77
- He a ting 77
- Progre ss of exce ss ive g as ch a rging 77
- Sie30 408 method of troubleshooting 77
- Troubleshooting 73 77
- Cooling 78
- He a ting 78
- Insufficient refrigerant gas 78
- Method of troubleshooting sie30 408 78
- Progre ss of g as s hort a ge 78
- Troubleshooting 78
- Abnormal judgment for various sensors 79
- Indoor unit 79
- Outdoor unit 79
- When pressure sensor thermistor or current sensor detects an abnormal value upper limit value or more or lower limit value or less the unit will be halted with display of abnormal cord abnormal stop 79
- Code of thermistors detecting various temperatures 80
- In cooling with superheat degree control 80
- Method of troubleshooting sie30 408 80
- Symptoms with thermistor resistance deviation 80
- Thermistor 80
- Troubleshooting 80
- Units using r22 r407c units using r410a tl indoor liquid pipe temperature th2 r2t tg indoor gas pipe temperature th3 r3t 80
- In heating with subcooled degree control 81
- In on off judgment for heating hot start 81
- Sie30 408 method of troubleshooting 81
- Troubleshooting 77 81
- Construction of thermistor 82
- Electrolytic corrosion transfer of cuprous oxide generated 82
- For thermistor malfunction 82
- Moi su t u re enter s into the thermi s tor thro u gh the cle a r a nce b etween le a d wire a nd filler 82
- S oldering with e u tectic s older 82
- Thermistor temperature resistance characteristic 83
- Method of troubleshooting sie30 408 84
- Pressure sensor 84
- Troubleshooting 84
- Voltage measuring point 84
- When the color of harness is not as mentioned above find the measuring point by following procedure 1 black is gnd 2 find dc5v line 3 the remained wire is the sensing section for the same pressure higher output voltage can be detected with low pressure sensor while lower output voltage detected with high pressure sensor 84
- Detection pressure high pressure side mpa 85
- Detection pressure low pressure side mpa 85
- High pressure 85
- Low pressure 85
- Output voltage high pressure side 85
- Output voltage low pressure side 85
- Sie30 408 method of troubleshooting 85
- Troubleshooting 81 85
- Voltage characteristic of pressure sensor r22 r407c 85
- Detection pressure high pressure side mpa 86
- Detection pressure low pressure side mpa 86
- Method of troubleshooting sie30 408 86
- Output voltage high pressure side 86
- Output voltage low pressure side 86
- Troubleshooting 86
- Voltage characteristic of pressure sensor r410a 86
- For vrv system ebm type linear control valve is employed to use as an electronic expansion valve for superheated degree control or subcooled degree control in the valve single phase excitation drive type pulse motor is employed on receiving 2000 pls signal goes to full open the stroke of gear is 0 mm from full open to complete close the below figure shows the inside structure of driving section and the gear ratio is 1 30 87
- Sie30 408 method of troubleshooting 87
- Structure and operation of electronic expansion valve 87
- Troubleshooting 83 87
- Gas leakage malfunction full open 88
- Malfunction complete close 88
- Malfunction example of electronic expansion valve 88
- Method of troubleshooting sie30 408 88
- Troubleshooting 88
- Four way valve is a representative valve which is used for heat pump type air conditioner this valve functions to selection flow direction of superheated refrigerant discharged from compressor in heating operation the valve feeds the refrigerant to indoor heat exchanger while in cooling and defrosting in heating the valve feeds to outdoor heat exchanger for vrv system standard unit one four way valve is installed however for some units of other series plural valves may be installed moreover there is two way valve or three way valve operated with the same mechanism 89
- Movement in cooling 89
- Sie30 408 method of troubleshooting 89
- Structure and movements of four way valve 89
- Troubleshooting 85 89
- Method of troubleshooting sie30 408 90
- Operation in heating 90
- Troubleshooting 90
- In order to prevent overheating operation of compressor refrigerant is injected to compressor suction port from liquid line reducing pressure through capillary tube the operation is as follows plunger which is a slide part inside valve body lifts to make a flow of refrigerant when the coil is energized while when not energized the plunger lowers to contact with valve seat due to spring force and shuts the flow of refrigerant 91
- Liquid injection 91
- Sie30 408 method of troubleshooting 91
- Structure and operation of solenoid valve 91
- Troubleshooting 87 91
- Basically the principal of valve operation is the same as four way valve below figure shows the operation of valve 92
- Ener g ized not ener g ized 92
- In heating operation when each standard speed outdoor unit does not operate the two way solenoid valve stops each gas pipe this valve is external equalizing type i e pressure difference to move the spool can be made outside of valve the valve closes when coil is energized opens when not be energized the shape of the valve is similar to four way valve and approx 0 5mpa is required for operation 92
- Principal of valve operation 92
- Structure and operation of two way solenoid valve 92
- 1 disconnect the connector x2a under the conditions of power supply off and operation off 2 check that approx 15 v can be read between pin number of 4 and 5 in x2a after turn on the power supply 3 connect the connector x2a under the conditions of power supply off and operation off 4 rotate fan motor for one turn manually under the conditions of power supply on and operation off and check on the following items pulses approx 0 v and approx 5 v can be output for four times between pin no 1 and 5 in x2a pulses approx 0 v and approx 5 v can be output for four times between pin no 2 and 5 in x2a pulses approx 0 v and approx 5 v can be output for four times between pin no 3 and 5 in x2a 93
- 1 turn off the power supply 2 check on resistance balance between terminals 20 or less by measuring each resistance between vcc and u v w and gnd and u v w with the connector 5 core at motor side after disconnect the connector or relay connector 93
- 1 turn off the power supply check on resistance balance and short circuiting between phases by measuring each resistance between phases of u v and w with the connector 3 core at motor side after disconnect the connector or relay connector 93
- Above item 2 cannot be observed faulty pc board replace pc board item 4 cannot be observed faulty hall ic replace the outdoor fan motor 93
- Check 1 check on connector of fan motor power supply cable 93
- Check 2 check on connector of fan motor control cable 93
- Check 3 check on pulse input of fan inverter pc board position signal 93
- Check on outdoor fan motor 93
- Sie30 408 method of troubleshooting 93
- Troubleshooting 89 93
- Diagnosis on malfunction code of inverter system 94
- In case of 3 phase 200 220v class model 94
- Method of troubleshooting sie30 408 94
- Troubleshooting 94
- Understanding of malfunction code 94
- 1 malfunction detection by direct current inside inverter pcb 2 malfunction detection by effective current of compressor part above current detection method shunt resistance 95
- Ct detected by alternative current converter shunt detected by shunt resistance 95
- Ct detected by direct current converter a 95
- Example of overseas 400 volts class model current protection set value 95
- Malfunction code list 3 phase 200 220v class model 95
- Note g vrv g type h vrv h type k vrv k type d 95
- How to use monitor on inverter pc board 96
- The latest contents of malfunction stop can be obtained by led display on inverter pc board each malfunction stop of inverter has retry function within the specified frequency of retry the unit merely goes into 5 minutes standby mode and malfunction cannot be determined when the retry frequency completes within 60 minutes malfunction is determined and malfunction code will be displayed on indoor remote controller 96
- An example of illu s tration 97
- Check yourself to grasp the equipment system correctly grasping the actual system can suggest measures for improving incorrect branch wiring or for better location of diii net expander adapters it is also valid measure to lay down a temporary wiring for investigation of trouble causes preparing some cables of vctf 1 m 97
- Diagnosis on transmission system malfunction 97
- Latest service work showing the actual wiring and the drawing can reduce man hour for reinvestigation and make response rapid when service call made in future for discussion on transmission malfunction the wiring diagrams can be helpful to shorten the discussion time 97
- The key point of investigation on transmission malfunction shall be to understand and grasp 97
- The system entirely investigate how the connection wiring among devices has been conducted at site and make an illustrated drawing thus the cause of troubles and countermeasures can be found during test operation or other step equipment installation contractor may submit wiring diagrams etc in many cases however wiring may be substantially changed due to various restrictions of the site therefore the initial wiring drawing shall be considered as a reference particularly if different contractors for piping and wiring have contracted such as a large scale project above problem can generally be caused although excessive man hour for checking will be required make sure to execute continuity 97
- Understand entire system make a simple illustration of the system 97
- With 100 m in length may be helpful make sure to keep the illustrated simple line wiring diagrams which is made at the end of the 97
- Cautions in transmitting waveform measurement 98
- Measurement range 98
- Above abnormal waveforms are generated due to field factors some countermeasures shown in below table can be applied at the equipment side and conduct proper measure according to the state of waveform 99
- F au lty w a veform 99
- Noi s e 99
- Ro u nd p u l s e ringing 99
- Thi s w a veform c aus e s no m a lf u nction s 99
- Verification of d iii net transmission waveform 99
- When the waveform as shown below appears in measuring of transmission waveform transmission malfunction may probably be caused 99
- For project with vrv system general contractors and subcontractors generally enter in the supply route as a recent trend they often request an explanation with fta method i e only a reasonable explanation can be accepted 100
- Malfunction tree analysis fta 100
- Malfunction tree analysis fta sie30 408 100
- Troubleshooting 100
- What is fta fault tree analysis for analyzing a symptom put the causes relating to the phenomenon in a dendritic figure 100
- With this method the causes can be analyzed logically and reasonably and causes can also be narrowed down by using a process of elimination moreover in explanation or reporting this method can make them persuasive 100
- Actuation of freeze up prevention control of indoor unit 101
- Sie30 408 malfunction tree analysis fta 101
- Troubleshooting 97 101
- Actuation of hps in heating operation 102
- Malfunction tree analysis fta sie30 408 102
- Troubleshooting 102
- Abnormal discharge pipe temperature in cooling operation 103
- Sie30 408 malfunction tree analysis fta 103
- Troubleshooting 99 103
- Malfunction tree analysis fta sie30 408 104
- Troubleshooting 104
- Water leakage from indoor unit 104
- Defective lubrication of compressor 105
- Sie30 408 malfunction tree analysis fta 105
- Troubleshooting 101 105
- 1 2 3 4 5 6 7 106
- List of malfunction code 106
- List of malfunction code sie30 408 106
- Troubleshooting 106
- 9 a h c j e f 107
- Sie30 408 list of malfunction code 107
- Troubleshooting 103 107
- Malfunction code display by outdoor unit pc board 108
- Monitor mode 108
- List of malfunction code sie30 408 110
- Troubleshooting 110
- Check on mv opening degree by using checker or remote controller with special setting 112
- Content of malfunction service shop person in charge 112
- Operating condition check sheet 112
- Operating condition check sheet sie30 408 112
- Troubleshooting 112
- Vrv in general 10 2 indoor unit related examples 21 3 malfunction of transmission examples 23 113
- Applicable models 114
- Condition 114
- Malfunction e3 is displayed in cooling operation 114
- Malfunction f6 is displayed during check operation in the winter season 114
- Measure 114
- Point of diagnosis 114
- Vrv in general 114
- After replacement of the control pc board operation does not start with an malfunction lc displayed 115
- Applicable models 115
- Condition 115
- Measure 115
- Point of diagnosis 115
- Trial operation was initiated but not started with an malfunction lc displayed 115
- Applicable models 116
- Condition 116
- Instead of connection of outdoor multi terminals q1 and q2 outdoor to outdoor f1 and f2 connection was being applied at the time of multiple operation 116
- Led display for master slave judgment malfunctions at the time of test operation 116
- Led display for master slave judgment remained to be turned off the test operation of the multi system of two vrv ii units though the unit being connected to the indoor to outdoor unit connection wire should be judged as a master unit normally at that time the same led for the slave unit of outdoor multi connection was blinking 116
- M outdoor unit multi system of vrv ii series 116
- Measure 116
- Point of diagnosis 116
- Recovers by correcting the wire connections between outdoor units to outdoor multi q1 and q2 116
- Rx y q 116
- Select the method of connection of outdoor units from the following two methods a and b a batch connection between outdoor units of different systems connect the out out terminals f1 and f2 b multiple connection of the same system connect the outdoor multiple terminals q1 and q2 116
- Applicable models 117
- Cautions for demand control with externally controlled adapter 117
- Cautions for test operation 117
- Condition 117
- Measure 117
- Point of diagnosis 117
- Applicable models 118
- Cases for examination 118
- Change the setting of remote controller s thermostat to enabled 118
- Condition 118
- Different systems are used to air condition the 1st floor and the 2nd floor compared with the 1st floor 2nd floor is not cooled down well though the system for the 2nd floor operates normally timing when its thermostat turns off is early compared with the one for the 1st floor 118
- Due to less pressure loss of pipes refrigerant tends to circulate in the upper floors and not to flow to lower floors 118
- If all thermostats are turned on in heating operation heating operation by the indoor units on the lowest floor 2nd floor is not good 118
- Make subcool adjustments for upper and lower floors respectively adjust to closing direction for upper floors and opening direction for lower floors request to adjust the thermostat setting for the upper floors to the rising direction if needed set to 0 pls when the operation is stopped in the upper floors 118
- Malfunction cooling operation 118
- Malfunction heating operation 118
- Measure 118
- Point of diagnosis 118
- Since the remote controller s thermostat has been set to disabled after the setting of remote controller for the 2nd floor system was changed during past inspection on off switching is made according to the body thermostat it is set to enabled at the factory change of setting may have been made in the past inspection 118
- Using long pipes may cause a slight drop of capability due to pressure loss even if the piping length does not exceed the standard 118
- Vrv in general sie30 408 118
- Vrv in general type k or later models 118
- Applicable models 119
- Condition 119
- Inferior insulation of the compressor before test operation 119
- Measure 119
- No heating operation is available though cooling operation is possible fan only operation continues with no malfunction displayed 119
- Point of diagnosis 119
- Applicable models 120
- Condition 120
- Cooling operation of specific indoor units is not good 120
- Inverter compressor fails three times a month 120
- Measure 120
- Point of diagnosis 120
- Applicable models 121
- Condition 121
- Malfunction heating due to overcharge of refrigerant 121
- Measure 121
- Point of diagnosis 121
- Applicable models 122
- Condition 122
- Heating operation of all indoor units is faulty 122
- Inverter compressor fails in a short period 122
- Measure 122
- Point of diagnosis 122
- Applicable models 123
- Condition 123
- Faulty heating 123
- Measure 123
- Point of diagnosis 123
- Applicable models 124
- Condition 124
- High pressure shutdown occurs only when the std compressor starts 124
- Measure 124
- Outdoor unit of the cooling only model operates with heating operation displayed 124
- Point of diagnosis 124
- Applicable models 125
- Condition 125
- Indoor unit related examples 125
- Measure 125
- Point of diagnosis 125
- Temperature is not displayed on the central controller 125
- Applicable models 126
- Cases for examination 126
- Condition 126
- Drain from the equipment and the one from the humidifier are designed to flow together to the drain up kit and the drain up kit is designed to operate when voltage is applied however the drain flows back and is not drained completely during operation due to negative pressure on the equipment side and the drain rushes to the drain up kit when the operation is stopped since the drain up kit does not operate when the power is shut off water leakage occurs 126
- Fxymj140kc optional humidifier japanese domestic case 126
- Indoor unit related examples sie30 408 126
- Indoor unit with ceiling duct natural evaporation type humidifier high lift drain up kit water leakage occurs when the power of fxymj140kc and knmj30l140 indoor units is shut off 126
- Install a trap to the drain on the equipment side 126
- Measure 126
- Point of diagnosis 126
- Water leakage from the ceiling duct 126
- Malfunction of transmission examples 127
- Malfunction of transmission examples display of malfunction of transmission due to the elevator s power line 127
- Malfunction of transmission examples malfunction of transmission due to wiring next to the high voltage line for indoor unit 127
- Malfunction of transmission examples faulty condition caused by the use of single core line 128
- Malfunction of transmission examples faulty condition to multi core wire 128
- Malfunction of transmission examples an malfunction u4 is issued 129
- Malfunction of transmission examples under centralized control is displayed on the individual remote controller 129
- Malfunction of transmission examples a malfunction ue is sometimes issued 130
- Malfunction of transmission examples faulty condition caused by branch lines 130
- Collection and playback of data on checker 46 131
- List of applicable models of type3 28 131
- Points of analysis 78 131
- What service checker can do 30 3 recording and playback of operation data 37 131
- 1 connect to a functional unit 2 vrv plus cooling only heat pump for high outdoor temperature use up to 50degc condenser unit 3 on vrv ii heat recovery series outdoor unit data is split off into common and individual sections consequently two units of icons are displayed even for a single outdoor unit if two or more outdoor units are included in the system icons for s single outdoor unit another one unit will be displayed 4 be aware that on models equipped with d3 net for the transmission system between indoor and outdoor units data on indoor units changes at intervals of several minutes 5 e resistant to salt damage g resistant to serious salt damage or y export voltage which is the suffix on a model name is omitted 6 with d3 net connected be aware that this service checker cannot be used in combination with remote control adapter or individual use of schedule timer 132
- List of applicable models of type3 132
- Vrv multi systems r410a r407c r22 132
- What service checker can do 134
- To conduct analysis 135
- Click here to pl a y ba ck d a t a recorded 136
- Click here to record d a t a 136
- Procedure 136
- Thi s repre s ent s the ver s ion of the checker in us e the ver s ion s ho u ld b e u pgr a ded to connect to a new model 136
- Menu window map mode 141
- Recording and playback of operation data 141
- Keeping record s s elect recording mode f5 142
- Periodical recording setting window 143
- Di s pl a y of in period recording 145
- Period rcd end bu tton 145
- Period rcd s t a rt bu tton 145
- Centralized operation f7 146
- Display of operation data 146
- Playback of data recorded 148
- Collection and playback of data on checker 150
- For collection and playback of data on checker 150
- Boot up the checker software and then click on the data transfer button 151
- Retrieval of raw data 151
- Use the following procedure to transfer the data 151
- Boot up the checker software and then click on the play button 153
- Highlight operation data to be retrieved 2 click on the csv data output f3 button 153
- Retrieval of processed data 153
- Use the following procedure to carry out csv conversion of data 153
- Specify a place to save the data 2 enter the data name 3 click on the save button 154
- Use the following procedure to save converted data 154
- Analysis of excel data 155
- Data processing 155
- Adj us t the height of the fir s t line 156
- A number of on and off are mixed on the current setting thus making the window hard to read therefore make settings in accordance with the procedure shown below in order to facilitate reading 157
- Highlight col u mn s di s pl a ying on or off 157
- Service checker type3 application edition 153 157
- Sie30 408 collection and playback of data on checker 157
- The following window will be displayed 157
- With the col u mn s highlighted click on the edit t ab a nd then highlight the repl a ce 157
- Only on s are displayed thus facilitating reading the data it is effective to replace a variety of functional parts and control e g four way valves solenoid valves or drooping control as well 158
- S creening coloring 161
- Screening or coloring data to be noted facilitates the analysis on the data 161
- Click e0 163
- Click on the s et u p t ab 164
- Checking on the print preview window the closing lines of cells are displayed 168
- On the sheet menu within the page setup window check the gridlines box of the print section 168
- Organizing graph 172
- If opening degree of electronic expansion valve is selected from the data due to large amplitude range of 0 to 2000 pulses the temperature data will be gathered at the bottom of the graph thus resulting in hard verification of data therefore use the secondary axis to facilitate the reading of the data 174
- Opening degree of electronic exp a n s ion v a lve 174
- Temper a t u re d a t a 174
- Using secondary axis 174
- Traverse of x axis 176
- Highlight a col u mn to b e converted into n u meric a l v a l u e s a nd then click on the repl a ce all on the edit men u 177
- Caution the data on indoor units are sampled at 5 minute intervals and therefore do not follow the data on outdoor units on an anytime basis 181
- Plotting of data on indoor and outdoor units in one and same graph 181
- Reference 5 181
- Service checker type3 application edition 177 181
- Sie30 408 collection and playback of data on checker 181
- First of all make pass fail judgment on functional parts 182
- In the case of faulty compressor 182
- In the case of malfunction of cooling 182
- In the case of malfunction of heating 182
- Method of use by symptom 182
- Points of analysis 182
- To conduct analysis 182
- Are discharge superheated degree and suction superheated degree kept at proper levels respectively 183
- Check each drooping protection control for operating conditions and think about why this control is performed 183
- Pay attention to condensing temp evaporating temp rather than to high pressure low pressure 183
- Use data on indoor units as reference values 183
- Effective use of checker 184
- Example of connection for rsxyp16kjy1 information on slave units is omitted 184
- Points of analysis sie30 408 184
- Probe causes of wet operation using the checker in combination with sensor kits most of current malfunctions on compressors result from seizing of or damage to the compressors due to the dilution of lubricant refrigerant oil caused while the compressors are in wet operation in order to verify the wet operation using the checker type3 using diii net and sensor input in combination enables the collection of effective data if the checker is connected to pc board no sensor kits can be used in combination 184
- Service checker type3 application edition 184
- Through the on off operation of injection solenoid valve and the temperature of outlet pipe determine whether or not oil leaks inside the solenoid valve measure the melting refrigerant into oil according to the temperature at the bottom of compressor and also wet operation according to compressor operating temperature since the position of the suction pipe th varies with models mount the sensor kit th in a place where the suction pipe is connected at all times 184
- Example of checker connection 185
- Method of mounting sensor kit 186
- Place to save data 187
- Case example exiii abnormal discharge pipe temperature 188
- Case example vrv ii heat recovery type malfunction of heating 189
- Data on occurrence of malfunction while in all unit heating operation 190
- Graph of indoor unit 1 190
- Indoor unit 1 190
- Points of analysis sie30 408 190
- Service checker type3 application edition 190
- Graph of indoor unit 2 191
- Graph of indoor unit 3 191
- Indoor unit 2 191
- Indoor unit 3 191
- Service checker type3 application edition 187 191
- Sie30 408 points of analysis 191
- Graph of indoor unit 4 192
- Graph of indoor unit 5 192
- Indoor unit 4 192
- Indoor unit 5 192
- Points of analysis sie30 408 192
- Service checker type3 application edition 192
- Case example ve up std rsxyp 5 10l malfunction of heating indoor units are all in fan operation mode 193
- Cause non condensable gas may have mixed in the refrigerant system 193
- Countermeasure the system returned to good running conditions by the replacement of refrigerant abnormal rise in high pressure occurred on the recovery unit while in refrigerant recovery operation non condensable gas 193
- Diagnosis the compressor is low in capacity but reaches the target value of tc and also under heating overload control consequently the compressor load does not increase even if an increase of the capacity is demanded by the indoor unit 193
- Features of data the system is under heating overload high pressure stepping down control the condensing temperature high pressure has reached the target value the operating frequency of inv compressor does not increase std compressor stops running the opening degree of outdoor unit ev is small 193
- Service checker type3 application edition 189 193
- Sie30 408 points of analysis 193
- Characteristics of refrigerant 92 195
- How to replace the compressor 28 7 hrv related 29 195
- Psychrometric chart 97 3 how to calculate cooling heating capacity 98 4 field settings for the replacement of the spare control pc board 99 5 adaptors for connection of air conditioners 01 195
- Characteristics of refrigerant 196
- H kj kg 196
- P mp a 196
- The pressure values in the diagram show absolute pressure deduct 0 mpa to obtain gauge pressure 196
- V 0 015 196
- H kj kg 197
- Hfc 3 2 125 1 3 4 a 2 3 25 52 wt 197
- P mp a 197
- H kj kg 199
- Hfc 3 2 125 50 50 wt 199
- P mp a 199
- Appendix 200
- Characteristics of refrigerant sie30 408 200
- R410a thermodynamical characteristics 200
- Appendix 197 201
- Enth a lpy h u midity r a tio u dh dx kj kg 201
- Moi s t air h x ch a rt s i pre ssu re 101 3 25kp a temper a t u re 10 to 50 c 201
- Psychrometric chart 201
- Sie30 408 psychrometric chart 201
- Wet bu l b temper a t u re t c 201
- According to the psychrometric chart following value is obtained specific volume 0 1 202
- According to the psychrometric chart following values are obtained enthalpy of suction air 72 kj kg enthalpy of discharge air 52 kj kg specific volume of discharge air 0 5 202
- Cooling c a p a city 72 52 0 8 5 3 600 8 00 1 1 5 8 kw 202
- Example for cooling capacity calculation suction air dry bulb temperature 30 c wet bulb temperature 24 c discharge air dry bulb temperature 20 c wet bulb temperature 18 c air flow rate 800 202
- Example for heating capacity calculation suction air temperature 15 c discharge air temperature 45 c air flow rate 800 202
- How to calculate cooling heating capacity 202
- How to calculate the cooling capacity 202
- How to calculate the heating capacity 202
- Kg cooling capacity is obtained by substituting those values to the above calculation formula 202
- Kg heating capacity is obtained by substituting those values to the above calculation formula 202
- Measure the temperatures of suction air and discharge air of indoor unit then calculate the capacity by using the psychrometric chart 202
- Check the model name of the outdoor unit whose control pc board is replaced 2 after checking the model name make settings according to the following table 203
- Default condition of dip switch 203
- Field settings for the replacement of the spare control pc board 203
- Horsepower should be set by using the switch on the pc board when the control pc board is replaced 203
- In order to replace by the space pc board change the setting of dip switch ds2 on the pc board as shown below 203
- Rxy5 48m rx5 48m rxyq5 48m reyq8 48m 203
- Appendix 204
- Default condition of dip switch 204
- Field settings for the replacement of the spare control pc board sie30 408 204
- In order to replace by the space pc board change the setting of dip switch ds1 on the pc board as shown below 204
- In order to replace by the space pc board change the setting of dip switches ss2 to ss5 on the pc board as shown below 204
- L 8l 10l ds1 7 on off on ds1 8 off on on 204
- Note resetting of power supply switch is neccessary after capacity setting 204
- Rsxp16 30k rsxyp16 30kj rseyp16 30kj 204
- Rsxyp5 8 10l 204
- Adaptors for connection of air conditioners 205
- For a start make wire connections between the indoor and outdoor units between respective power supplied and between the indoor unit and remote controller and then check whether or not the units normally operate particularly in order to use the adapter in combination with the group control of the remote controller check to be sure the jumper wiring for details refer to information in the installation manual of indoor unit and outdoor unit 2 lastly make wire connections to external equipment such as the centralized control monitor and other settings for details refer to information in wiring to external controller e g centralized control monitor 205
- Note no systems without remote controller are available a single unit of remote controller is absolutely needed furthermore for two remote controller system this adapter is not usable 205
- Part names and functions 205
- This adapter enables remote operation control remote temperature setting operation display fetch of malfunction display and others but cannot be used in combination with other centralized controllers a single unit of this adapter performs a batch control of a group connected through the remote controller transmission line p1 p2 205
- Wiring 205
- Adaptors for connection of air conditioners sie30 408 206
- Appendix 206
- Connection to indoor unit 206
- For inp u t in non volt inp u t 206
- For inp u t in volt mode 206
- Input for distant control operation depending on whether the input selector switch is set to the volt or non volt connect wires according to the procedure shown below 206
- Use the relay harnesses 1 and 2 provided to connect wires as shown in figure above connect the relay harness 1 to the connector on the indoor unit pc board ass y i e x18a on vrv the relay harness 2 has no polarities connect wires to terminals p1 and p2 on the connecting wiring terminal block provided in the indoor unit switch box 206
- Wiring to external controller e g centralized control monitor 206
- Caution in this case even though the input a is turned on the system will make a stop thus stopping all units in one and the same group on the skyair series even though position d or f is selected the forcedly thermostat off command will be issued 207
- Caution the input b is used for forcedly off if this input b is turned on the system will be put into stop remote controller inhibited thus disregarding the input a even if the input a is turned on with the input b in an off state the content with the input a turned on will not be provided in this case the input a should be turned on again 207
- Forcedly thermostat off command this command is used to operate the indoor unit only in forcedly fan mode energy saving operation command this command is used to operate the system with set temperature increased by 2 c in cooling operation or decreased by 2 c in heating operation 207
- Setting of control mode selector switch rs1 207
- To conduct demand control using input b 207
- To operate the system using constant input to the input a 207
- To operate the system using instantaneous input to the input a use instantaneous input with on time of 200 msec or more for the input a 207
- To use the system only for display function only in individual display mode 207
- A remote controller permitted stop only remote controller permitted operation from remote control is impossible 208
- Adaptors for connection of air conditioners sie30 408 208
- Appendix 208
- B last pressing priority operation the remote controller is permitted at all times stop the remote controller is permitted at all timed 208
- Caution in order to prevent malfunctions isolate this wiring from the power lines 208
- Caution the resistance values are counted in wiring resistance 208
- Cautions using normal input for the input b in positions 7 to a will put the system into forcedly stop function with input a disregarded in position b the normal input cannot be used for the input b 208
- Centralized priority operation remote controller permitted 208
- Input of temperature settings 208
- Operation only remote controller stop permitted operation from remote controller is impossible 208
- Position function contents of input a contents of input b 208
- Remote controller inhibited operation the remote controller is inhibited at all times 208
- Remote controller stop permitted 208
- Stop remote controller inhibited 208
- Temperature settings corresponding to resistance values in the range of 0 to 135 ω can be made 208
- To operate the system on two input contacts using instantaneous input for the input a and input b use instantaneous input with on time of 200 msec or more for the input a 208
- Total length of wiring 70 m at maximum 208
- Wiring specifications types of wires sheathed vinyl cords size of wire 1 5 to 2 0 m 208
- Appendix 205 209
- Caution in order to use power supply of 220 240 vac keep the power supply cable away from input wirings 209
- Display stop normal operation this system stops due to malfunction or transmission error between the adapter pc board and indoor unit 209
- Error o u tp u t ry2 209
- Fetch of display signals normal operation output terminals w1 and w2 and malfunction output terminals w3 and w4 are used for no voltage normal contact output allowable current is 10ma to 3a per contact 209
- Norm a l oper a tion o u tp u t ry1 209
- Output both ry1 ry2 are turned off ry1 is only turned on ry2 is only turned on 209
- Sie30 408 adaptors for connection of air conditioners 209
- The following table shows the display of output 209
- Adaptors for connection of air conditioners sie30 408 210
- Appendix 210
- Notes 1 in positions 7 to a while in input b using constant input will put the system into forcedly stop disregard for input a furthermore in position b while in input b the constant input will be disabled 2 for the overview of function listed in table above refer to information in the following section 3 for instantaneous input set on time to 200 msec or more 210
- Settings of remote control mode selector switch rs1 210
- Appendix 207 211
- Function overview 211
- On off control impossible by remote controller used to operate or stop the system only on the group remote control adapter side operation stop from the remote controller is disabled 2 off control possible by remote controller used to start operation on the group remote control adapter side and stop the operation on the remote controller side 3 centralized used to start operation on the group remote control adapter side and infinitely operate or stop the system on the remote controller side during an operative period of time set by the timer 4 individual last pressing priority used to operate or stop from both the group remote control adapter side and the remote controller side 211
- Sie30 408 adaptors for connection of air conditioners 211
- The following diagram shows the time chart of remote controller commands and indoor unit against input signals 211
- Adaptors for connection of air conditioners sie30 408 212
- Appendix 212
- Combined use with centralized controllers 212
- Cut the spare jumper j5 connected to wiring adaptor for electrical appendices 2 if the use conditions shown below are not satisfied however the adapter may not normally function 212
- If the wiring adaptor for electrical appendices 2 is used by following methods the combined use will be enabled operation and malfunction with the wiring adaptor for electrical appendices 2 forcedly thermostat off control with the wiring adaptor for electrical appendices 2 for mode settings only use the input b in positions c and e temperature setting shift control with the wiring adaptor for electrical appendices 2 for mode settings only use the input b in positions d and f this control however is disabled in combined use with the temperature setting unit dpf201a53 the operation mode of the centralized controllers is set to individual last pressing priority and the control mode of the wiring adaptor for electrical appendices 2 is also set to individual last pressing priority 2 if the system is adaptable to telecommunication with the use of the wiring adaptor for electrical appendices 2 and further the centralized remote controllers are used by the methods listed in table below 212
- Model conditions central remote controller dcs302c61 no forcedly stop input is used and further this controller is used in any of operation mode 6 7 16 and 17 unified on off controller dcs301b61 no forcedly stop input is used and further this controller is used in the operation mode set to last pressing priority schedule timer dst301b61 this timer used in operation code set to last pressing priority 212
- Parallel interface basic unit dpf201a51 no forcedly stop input is used and further this interface is used in operation mode set to position 1 data station dds501a51 no forcedly stop input is used and further no system forcedly stop command or remote controller inhibited command is used 212
- Setting method 212
- The combined use of the wiring adaptor for electrical appendices 2 and the centralized controllers is enabled by the setting method shown below under the limited conditions 212
- Unified adaptor for computerized control dcs302a52 this adapter is used in input mode set to position 3 212
- Use conditions 212
- Application intended use 213
- Notes 1 shaded area represents the wiring adaptor for electrical appendices 1 2 the wiring adaptor for electrical appendices 1 is used to operate all indoor units connected to the centralized control lines i e terminals f1 and f2 under unified control in other words the said indoor units are all operated under one and the same control via the wiring adaptor for electrical appendices 1 from the centralized control monitor 3 in order to operate the said indoor units under individual group control use the wiring adaptor for electrical appendices 2 krp4a51 52 53 54 the wiring adaptor for electrical appendices 1 is not available for this control 213
- Overview of system 213
- Part names and functions 213
- This adapter enables remote operation control remote temperature setting operation display fetch of malfunction display and others but cannot be used in combination with other centralized controllers since this adapter is connected to the centralized control line air conditioners which are connected to the centralized control lines f1 f2 are all operated under unified control 213
- Wiring adaptor for electrical appendices 1 krp2a61 62 213
- Adaptors for connection of air conditioners sie30 408 214
- Appendix 214
- Connection to indoor unit 214
- For a start make wire connections between the indoor and outdoor units between respective power supplied and between the indoor unit and remote controller and then check whether nor not the units normally operate particularly in order to use this adapter in combination with the group control of the remote controller check to be sure the jumper wiring for details refer to information in the installation manual of indoor unit and outdoor unit 2 then according to the system connect the adapter pc board for remote control to the main body of indoor unit and then make setting of the display output switch ss3 and connect a jumper wire for details refer to information in connection to indoor unit 3 lastly make wire connections to external equipment such as the centralized control monitor and other settings for details refer to information in wiring to external controller e g centralized control monitor 214
- For group unified control for group unified display the wiring procedure is the same as that for the individual control 214
- For individual control 214
- Note no address no settings for centralized control are required automatic setting 214
- Note the remote controller can be installed on indoor units to which the adapter pc board is not directly connected 214
- Wiring 214
- Appendix 211 215
- For individual display the wiring procedure is the same as that for the individual control 215
- For zone unified control the wiring procedure is the same as that for the individual control be sure to set the display output switch ss3 to zone 215
- Note the remote controller can be installed on indoor units to which the adapter pc board is not directly connected 215
- Sie30 408 adaptors for connection of air conditioners 215
- Adaptors for connection of air conditioners sie30 408 216
- Appendix 216
- Centralized priority operation remote controller permitted 216
- For inp u t in none volt inp u t 216
- For inp u t in volt mode 216
- Input for distant control operation depending on whether the input selector switch is set to the voltage or no voltage connect wires according to the procedure shown below 216
- Operation only remote controller stop permitted operation from remote controller is impossible 216
- Position function 0 individual display with input disregarded 216
- Position function contents with input a tuned on contents with input a turned off 216
- Remote controller inhibited operation the remote controller is inhibited at all times 216
- Remote controller permitted stop only remote controller permitted operation from remote is impossible 216
- Remote controller stop permitted 216
- Setting of control mode selector switch rs1 use the control mode selector switch rs1 on the adapter pc board to make selection and setting of control mode through input a or b 216
- Stop remote controller inhibited 216
- To operate the system using normal input to the input a 216
- To use the system only for display function only in individual display mode 216
- Wiring to external controller e g centralized control monitor 216
- Caution the input b is used for forcedly off if this input b is turned on the system will be put into stop remote controller inhibited thus disregarding the input a even if the input a is turned on with the input b in an off state the content with the input a turned on will not be provided in this case the input a should be turned on again 217
- Cautions using normal input for the input b in positions 7 to a will put the system into forcedly stop function with input a disregarded in position b the constant input cannot be used for the input b 217
- Cautions while in zone unified control mode even if a single indoor unit is in operation the operation display will be actuated consequently while in last pressing priority mode some unit stops operation during the operation display is output in this case even though the input a is turned on the system will stop thus making all units stop 217
- Forcedly thermostat off command this command is to operate the indoor unit only in forcedly fan mode energy saving operation command this command is to operate the system with set temperature increased by 2 c in cooling operation or decreased by 2 c in heating operation 217
- To conduct demand control using input b 217
- To operate the system on two input contacts using instantaneous input for the input a and input b use instantaneous input with on time of 200 msec or more for the input a 217
- To operate the system using instantaneous input to the input a use instantaneous input with on time of 200 msec or more for the input a 217
- Adaptors for connection of air conditioners sie30 408 218
- Appendix 218
- Caution in order to use power supply of ac220 240v keep the power supply cable away from input wirings 218
- Caution the resistance values are counted in wiring resistance 218
- Fetch of display signals normal operation output terminals w1 and w2 and malfunction output terminals w3 and w4 are used for no voltage normal contact output allowable current is 10ma to 3a per contact 218
- Input of temperature settings 218
- Resistance value ω 0 3 5 11 13 20 22 28 31 36 39 44 48 52 56 61 65 69 218
- Resistance value ω 73 77 82 85 91 94 99 102 108 110 117 119 125 127 134 140 218
- Set temp c 16 17 18 19 20 21 22 23 24 218
- Set temp c 25 26 27 28 29 30 31 32 218
- Temperature settings corresponding to resistance values in the range of 0 to 135 ω can be made 218
- Total length of wiring 0 m at maximum caution in order to prevent malfunctions isolate this wiring from the power lines 218
- Wiring specifications types of wires sheathed vinyl cords or cables size of wire 5 to 2 0 m 218
- Caution if the wirings f1 f2 are changed after the system operates once apply power for a period of five minutes or more and then reset the power supply no heeding so may disable the control from the wiring adaptor for electrical appendices 1 219
- The following table shows the output by system 219
- Adaptors for connection of air conditioners sie30 408 220
- Appendix 220
- Application intended use 220
- Batch selection of operation mode cooling heating fan operation for selection of operation mode using the indoor unit remote controller or cooling heating selector remote controller possible only if outdoor units is rsx y ky1 yal tal type 220
- Demand control low noise control possible only if outdoor units is rsx y ky1 yal tal type 220
- Overview of system 220
- This adapter is built in the indoor unit or bs unit connected through diii net to select the operation mode cooling heating fan operation in a batch on multiple outdoor units 220
- Appendix 217 221
- Connect the power supply cable coming from this adapter to the adapter power supply connector on the pc board of the outdoor unit indoor unit or bs unit 2 connect the connecting wires to each terminal block and terminals f1 and f2 on the pc board as shown in figure below use 2 core wires no polarities 3 for the connecting wires use wiring ties provided and tie them to low voltage wires or else in the switch box 221
- Notes in order to built this adapter in the bs unit connect wires between the f1 and f2 on the indoor unit side of the bs unit and the f1 and f2 of the adapter tie the lead wires and connecting wires of this adapter so that these wires will not come into contact with the lid of the switch box 221
- Part names and functions 221
- Sie30 408 adaptors for connection of air conditioners 221
- Wiring 221
- Adaptors for connection of air conditioners sie30 408 222
- Appendix 222
- Cautions specifications of connecting wires sheathed wire 2 wire of 0 5 to 1 5 m 222
- Demand input terminals short circuit between demand 1 and c reducing power consumption to approx 70 as a guide short circuit between demand 2 and c reducing power consumption to approx 40 as a guide short circuit between demand 3 and c forced thermostat off 222
- How to set demand control in the field 222
- In order to perform input for the demand low noise control connect to the terminal block of this adapter 222
- In size length of connecting wirings be sure to observe the following limits not heeding so may result in the malfunction of transmission total wiring length 2000 m or less maximum numbers of branches 16 branches 222
- Low noise input terminals short circuiting between terminals saves capacity control i e control of outdoor unit fan low speed rotation or operating frequency of compressor in cooling operation use these terminals only with a low level of load at nighttime 222
- Notes in order to input the demand low noise control use the switch on the outdoor unit pc board to set mode to low noise control yes 222
- Outdoor unit field setting setting mode 1 turn on low noise control as explained in the outdoor unit s service manual setting mode 2 match low noise and demand addresses to the external control adapter address 2 external control adapter settings function switch ss1 set ss1 to either both or de address setting switch ds1 ds2 match ds1 and ds2 to the low noise and demand addresses of outdoor unit 222
- Appendix 219 223
- Divide the outdoor units for demand control and low noise control into units to be switched together herein after refer to as demand control group an adaptor is required for each unit 223
- Field setting complete 223
- Field setting start 223
- Field settings 223
- Set the 5 bit demand address of the adaptor and outdoor units set the service mode for the outdoor units by operating the switches on the p board ass y see fig the adaptor is set by ds1 2 see fig 223
- Sie30 408 adaptors for connection of air conditioners 223
- The contents of the various settings for unified switching of demand and low noise operation are as follows 223
- The contents of the various settings for unified switching of the operation mode cool heat fan are as follows 223
- Adaptors for connection of air conditioners sie30 408 224
- Appendix 224
- Both c h de 224
- Factory set to both 224
- Function 224
- Left both middle c h right de low noise 224
- Note 2 the outdoor unit can have an independent cool heat address and demand address you can therefore set the operation mode group and demand control group to different ranges 224
- Set the cool heat address demand address and low noise address or both as needed 224
- To carry out operation mode switching and demand control simultaneously you can carry out operation mode switching and demand control simultaneously by setting function switch ss1 on the adaptor to both only one address however can be set on the adaptor so the operation mode switch unit and demand control unit are the same 224
- Appendix 221 225
- Even though the present d bacs controls 64 groups and 128 indoor units at maximum of vrv system by a single centralized controller a combined use with the diii net enables the control of 64 groups and 1024 indoor units at maximum 225
- Extending the number of centralized controllable indoor units for vrv system to 64 groups and 1024 units at maximum facilitating response to requirements for wiring in longer length due to large scale systems and extending flexibility in system design enabling the protection of control lines by the diii net expander adapter unit which achieves system design to diversify the risk of centralized control the diii net expander adapter enables the connection of eight units at maximum in one and the same control line a single unit of the diii net expander adapter enables the connection of 10 outdoor unit and 128 indoor units at maximum 225
- Part names functions and advantages 225
- Sie30 408 adaptors for connection of air conditioners 225
- System configuration 225
- The number of units for centralized control can be extended up to 64 groups and 1024 units using two centralized controllers extends the number up to 128 groups and 1024 units a limit for the number of connectable units with the diii net comes to constitute that for the expander adapter units 225
- Wiring 227
- Adaptors for connection of air conditioners sie30 408 228
- Appendix 228
- Caution each range of a and b is individually subject to restrictions on the connection wiring length refer to information in section wiring 228
- Example of wiring 228
- U nit s 228
- Wiring for system with 10 or more outdoor units 228
- Appendix 225 229
- Conventional system faulty wirings such as the application of 200v may cause the system down 229
- Diversification of risk of centralized control system the diii net extended adapter is originally designed to extend the system in this connection according to the usage shown in figure below it is possible to design the centralized control system so that the system risk will be diversified 229
- If the extended adapter is used even though only the system goes down at the adapter downward influence on the entire system can be avoided 229
- Sie30 408 adaptors for connection of air conditioners 229
- Versatile usage 229
- Adaptors for connection of air conditioners sie30 408 230
- Appendix 230
- Conventional s y s tem if the expander adapter i s u s ed 230
- Relaxation of restrictions on branching diii net with the diii net adapter no secondary branching is enabled using expander adapters however enables branching shown in figure below direct branching from the main line is referred to as the primary branching and further branching from the primary branching is referred to as the secondary branching 230
- Appendix 227 231
- Cut the jumper wire j2 the use of expander adapter in combination with thermal storage controller will be enabled cut the jumper wire j3 the use of expander adapter in combination with external control adapter for outdoor unit will be enabled 231
- Even though there are several restrictions on the use of expander adapters these restrictions can be relaxed by cutting jumper wires 231
- Example of basic wiring 231
- J4 j 3 j2 j1 231
- Method of extending system using two units of expander adapters enables the connection of a maximum of 30 outdoor units of 300 hp or less an example of connection is shown in figure below 231
- Note if additional extended adapters should be installed due to expansion or else after wires are connected as shown below a significant change of the wiring within the system will be needed therefore if any expansion is scheduled follow an example of basic wiring shown in figure below 231
- Sie30 408 adaptors for connection of air conditioners 231
- 1 collect the refrigerant by using refrigerant recovery unit since the setting on outdoor unit pcb is required for refrigerant recovery refer to the warning plate precautions in service work attached on the switch box cover 2 remove the sound insulator mat covering the faulty compressor and disconnect the power cable from terminal board of the compressor 3 disconnect the brazing sections of suction pipe and discharge pipe by using brazing torch after the refrigerant has been collected completely 4 pinch the oil pressure equalizing pipe of the faulty compressor at the lower part of the brazed joint as shown in figure 1 and cut it between the pinched section and brazed joint in order to prevent residual oil from discharging 5 remove three bolts at cushion rubber section to take out the faulty compressor outside the unit 6 check that no oil remains in the oil pressure equalizing pipe as shown in figure 2 then remove the cut pipe from the brazed joint with brazing torch 7 install the new c 232
- Appendix 232
- For rsxyp to m 232
- How to replace the compressor 232
- How to replace the compressor sie30 408 232
- Example of control wiring 233
- Group interlock control 233
- Hrv related 233
- Optional accessories required 233
- Purposes and functions 233
- Single group interlocked operation basic pattern 233
- Switch setting for hrv unit 233
- Example of control wiring 234
- Optional accessories required 234
- Purposes and functions 234
- Single group interlocked operation direct duct connection 234
- Switch setting for hrv unit 234
- Appendix 231 235
- Every time the operation mode selector is pressed the operation mode display changes as shown below 235
- Example 235
- Operating the hrv unit using the remote controller of the vrv system air conditioner 235
- Sie30 408 hrv related 235
- When the filter indication appears on the display clean the filter of the hrv unit 235
- When the vrv system air conditioner is connected with the hrv unit with a direct duct the remote controller of the air conditioner cannot be used to select the ventilation mode to use the hrv unit without operating the air conditioner set the air conditioner in the fan ventilation mode and select the low fan speed 1 operation lamp 2 operation stop button 3 operation mode display 4 operation mode selector 235
- 01 02 0 3 0 3 04 05 06 07 0 8 0 8 09 10 10 1112 1 3 1 3 14 14 15 236
- After selecting the zone where the only the hrv unit operation is desired press the operation mode selector and select ventilation the hrv unit can then be operated independently from the air conditioner when the filter indication appears on the display clean the filter of the hrv unit 236
- Appendix 236
- Code code 236
- Group group 236
- Hrv related sie30 408 236
- Independent operation of the hrv unit using the centralized controller dcs302b61 236
- Re s e re s et 236
- Te s t 236
- Adapter pcb for remote control krp2a61 237
- Appendix 233 237
- Cautions 1 it is not necessary to set the group number for central control 2 one adapter pcb for remote control should be installed in the one of the unit connected to the central transmission line when you install an adapter pcb for remote control in the indoor unit select the applicable model number of adapter pcb to be installed 237
- Example of control wiring 237
- Interlocked operation with 2 or more group of vrv system 237
- Note the central transmission line can be extended up to 1000 m maximum 237
- Optional accessories required 237
- Purposes and functions 237
- Sie30 408 hrv related 237
- Switch setting for hrv unit 237
- The initial setting by the remote controller for indoor unit or hrv unit 237
- When the hrv unit is interlocked to 2 or more group of indoor units the hrv unit operates if one of indoor unit in groups is in operation the hrv unit can also be operated independently by remote controller for indoor unit even if the indoor unit is not in operation 237
- Cautions 1 it is necessary to assign a central group number to each indoor unit and hrv unit 2 the operation of hrv unit is not interlocked with the operation of indoor unit under this control system if you like to have an interlocked operation please consider other control system 238
- Centralized control system 238
- Collective individual control unified on off controller dcs301b61 238
- Example of control wiring 238
- One controller can control the operation of on off of 16 groups of the units collectively or individually also up to 4 controllers can be installed in one centralized transmission line in one system which enable to control up to 64 groups 16 groups 4 64 groups the ventilation mode will be selected automatically 238
- Optional accessories required 238
- Purposes and functions 238
- Remote controller only when you use brc301b61 238
- Switch setting for hrv unit 238
- The initial setting is required by the remote controller for indoor unit or hrv unit no change is required as per factory setting 238
- A maximum of 64 groups can be controlled on off individually by one controller and also the central remote controller can control the on off operation of the units in each zone collectively it also can control the interlocked operation as well as the independent operation within the same zone if the zone setting is not required or if you like to operate the hrv unit whenever one of indoor unit of any group connected to the central transmission line is in operation refer to the applied system 239
- Appendix 235 239
- Cautions 1 it is necessary to assign a central control group number 2 if you operate the hrv unit interlocked to the operation of indoor unit please set the same zone number at that time it is necessary to set the zone operation on the hrv unit 3 it is not possible to operate on off from the remote controller for the hrv unit in zone 1 4 it is not necessary to set the zone operation mode in zone 2 which is already set at the factory 239
- Example of control wiring 239
- Optional accessories required 239
- Purposes and functions 239
- Remote controller only when you use brc301b61 239
- Sie30 408 hrv related 239
- Switch setting for hrv unit 239
- The initial setting is required by the remote controller for indoor unit or hrv unit for zone 1 on 17 27 8 02 for zone 2 factory set no change is required 239
- Zone control system central remote controller dcs302b61 239
- Because the signal through the transmission line is originated from the remote controller there is no transmission signal to operate the units if the remote controller is not installed 240
- Example of control wiring 240
- Examples of mistakes in wiring and system designing 240
- If the hrv unit is interlocked to the centralized controller the central transmission line should be connected to the terminal no f1 and f2 of indoor unit 240
- It is necessary to install the remote controller for the transmission line 240
- Reason 240
- The centralized transmission line should be connected to the indoor unit 240
- The information from the indoor unit cannot be transmitted to the central controller through the hrv unit and also the information from the central controller cannot be transmitted to the indoor unit through the hrv unit 240
- When you connect the transmission line for the remote controller the remote controller should be installed on the transmission line 240
- Additional functions 241
- Example of control wiring 241
- Operation by power supply hrv unit 241
- Optional accessories required 241
- Purposes and functions 241
- Switch setting for hrv unit 241
- Adapter pcb krp50 2 242
- Appendix 242
- Example of control wiring 242
- Hrv related sie30 408 242
- Monitor of operation krp50 2 hrv unit operating pilot lamp local supply 242
- No change is required as per factory setting 242
- Optional accessories required 242
- Purposes and functions 242
- Switch setting for hrv unit 242
- To monitor the operation of one hrv unit 242
- Appendix 239 243
- Example of control wiring 243
- Fresh up operation by external input hrv unit 243
- Fresh up short circuit no voltage normally open contact for micro current 16 v 10 ma normal open circuit 243
- Local wiring 243
- No change is required factory setting 243
- Notes the connecting wiring between hrv unit and the terminal for local connection can be extended up to 50 m maximum 243
- Operation of hrv unit terminal for local connection capacity of connecting terminal 243
- Optional accessories required 243
- Purposes and functions 243
- Sie30 408 hrv related 243
- Switch setting of hrv unit 243
- When the operation is interlocked with the local ventilating fan such as the one for toilet or kitchen the hrv unit performs the over supply operation to prevent the reverse flow of the odor the flow rate of supply air becomes higher than that of exhaust air 243
- Appendix 244
- Cautions 1 the precool preheat function is possible only when the operation of hrv unit is interlocked to one group or two group of indoor unit it will not function when the hrv unit is in independent operation 2 you can select the preset time of 30 45 60 minutes for delayed operation at the time of initial setting if this preset time is not sufficient you can extend the preset time for further 30 60 90 minutes only the preheating function 3 since this is two remote controller system for indoor unit and hrv unit the master slave setting is required 244
- Example of control wiring 244
- Hrv related sie30 408 244
- Optional accessories required 244
- Precool preheat operation 244
- Purposes and functions 244
- Remote controller for setting indoor unit slave hrv unit master 244
- Switch setting of the hrv unit 244
- The initial setting by the remote controller for the indoor unit precool preheat on off setting on 17 27 2 02 precool preheat time setting time 17 27 3 1 preheat extra time setting time 17 27 9 2 1 setting 01 for 30 02 for 45 and 03 for 60 minutes 2 setting 01 for 0 factory set 02 for 30 03 for 60 and 04 for 90 minutes 244
- The operation of hrv unit is delayed when the air conditioner begins operation 244
- Appendix 241 245
- Cautions 1 when the system is under group control the input from outside controls the operation of on off collectively if it is installed in the one of the unit 245
- Example of control wiring 245
- No change is required 245
- Optional accessories required 245
- Purposes and functions 245
- Remote control operation by input from outside 245
- Sie30 408 hrv related 245
- Switch setting of hrv unit 245
- The hrv unit can be controlled the operation of on off remotely by the signal from no voltage normally open contact 245
- Central control system dcs302b61 246
- Central remote controller dcs302b61 246
- Collective individual operation central remote controller 246
- Example of control wiring 246
- It is possible to have collective on off or individual on off without zone control while setting the 64 zones it is also possible to connect the unified on off controller and etc cautions 1 it is required the local setting of the group number for central control 2 the hrv unit judges the ventilation mode individually 246
- Optional accessories required 246
- Purposes and functions 246
- Switch setting of the hrv unit 246
- The initial setting is required by the remote controller for indoor unit collective zone interlock setting off as per factory set 246
- A maximum of 128 units can be controlled the collective operation stop by weekly schedule 247
- Appendix 243 247
- Cautions 1 the setting of group number for central control is not required 2 the hrv unit judges the ventilation mode individually 3 the power supply for the schedule timer can be supplied from the pcb of the unit x18a for the indoor unit and x11a for the hrv unit 247
- Collective operation schedule timer dst301b61 247
- Example of control wiring 247
- Optional accessories required 247
- Purposes and functions 247
- Schedule timer dst301b61 247
- Sie30 408 hrv related 247
- Switch setting of the hrv unit 247
- The initial setting is required by the remote controller for the indoor unit collective zone interlock setting off factory setting 247
- A maximum of 64 groups can be controlled the operation of on off collectively for the individual control use the central remote controller or the unified on off controller 248
- Adapter pcb for remote control krp2a61 248
- Appendix 248
- Cautions 1 adapter pcb can be installed in any unit connected to the central transmission line 2 it cannot be used with other central controller 3 the setting of group number is not required 4 the hrv unit judges the ventilation mode individually 248
- Collective operation adapter pcb for remote control krp2a series 248
- Example control wiring 248
- Hrv related sie30 408 248
- Optional accessories required 248
- Purposes and functions 248
- Switch setting of the hrv unit 248
- The initial setting is required by the remote controller for the indoor unit or hrv unit collective zone interlock setting off as per factory setting the setting of switch on the pcb voltage no voltage changeover switch ss1 no voltage remote control mode changeover switch rs1 should be selected 248
- 1 independent operation for ventilation is possible if collective zone interlock setting is on with the indoor unit in the same zone 2 it is possible by the initial setting 3 display of malfunction code only 4 the meaning of total evaluation 249
- Multi function central controller unified on off controller 249
- Proper controller should be selected according to the functions required it is possible to combine the schedule timer 249
- Rc1 central remote controller rc2 unified on off controller rsa d remote controller for the indoor unit r1 9 remote controller for the hrv unit 249
- System description 249
- System overview 249
- B 8400 ostend belgium 255
- Sie30 408 02 2005 prepared in belgium by lannoo 255
- Www daikineurope com 255
- Zandvoordestraat 300 255
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