![Daikin RZP100DVAL [153/255] Malfunction of heat exchange temperature sensor system](/img/pdf.png)
Daikin RZP100DVAL [153/255] Malfunction of heat exchange temperature sensor system
![Daikin FHYCP140DVL [153/255] Malfunction of heat exchange temperature sensor system](/views2/1782863/page153/bg99.png)
Troubleshooting by Remote Controller Display / LED Display SiE25-110
144 Troubleshooting
6.10 Malfunction of Heat Exchange Temperature Sensor
System
Remote
Controller
Display
C4
Applicable
Models
All indoor unit models
Method of
Malfunction
Detection
Malfunction detection is carried out by temperature detected by heat exchanger sensor.
Malfunction
Decision
Conditions
When the heat exchanger thermistor becomes disconnected or shorted while the unit is running.
Supposed
Causes
Failure of the sensor itself
Broken or disconnected wire
Failure of electronic circuitry (indoor unit PC board)
Failure of connector contact
Troubleshooting
Disconnect the heat exchange
sensor (R2T) from X18A on
the indoor unit PC board and
measure the resistance.
Connect correctly.
Heat exchanger
senser replacement.
If contact is OK,
replace indoor unit
PC board.
Is the
thermistor normal?
(See note)
NO
NO
YES
YES
(S2011)
Check contact of connector
Is it normal?
See Check No. 12 for “Thermistor temperature/Resistance characteristics”.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Содержание
- Manual 1
- Service 1
- Field piping and wiring 2 2
- Introduction v 2
- List of functions 2
- Model name and power supply 2
- Part 2 functions 2
- Part 3 specifications 1 2
- Part 4 remote controller 3 2
- Part 5 field piping and wiring 1 2
- Part1 model name and power supply 2
- Skyair super inverter 70 d series heat pump 2
- Specifications 2 2
- Split system air conditioners skyair super inverter 70 d series 2
- Wired remote controller 4 2
- Wireless remote controller 8 2
- Electric function parts 1 3
- Existence of dip switch jumper and bs 0 3
- Function details 4 3
- Function of main components and thermistors 6 3
- Function outline 8 3
- How to handle request for maintenance 06 3
- Maintenance inspections 01 3
- Method of field set reset after maintenance inspection repair 0 3
- Operation range 8 3
- Part 6 field setting 9 3
- Part 7 function and operation 5 3
- Part 8 troubleshooting 9 3
- Settings concerning maintenance 3 3
- Troubleshooting based on equipment condition 07 3
- Procedure of self diagnosis by led 27 4
- Procedure of self diagnosis by remote controller 21 4
- Troubleshooting by remote controller display led display 30 4
- Drawings flow charts v 5
- Fhycp71 140d 96 5
- Index i 5
- Part 10appendix 27 5
- Part 9 removal procedure 95 5
- Piping diagrams 28 5
- Rzp71 140d 13 5
- Wiring diagrams 30 5
- Caution in repair 6
- Introduction 6
- Safety cautions 6
- Warning 6
- Caution 7
- Cautions regarding products after repair 7
- Warning 7
- Caution 8
- Inspection after repair 8
- Warning 8
- Caution 9
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 9
- Using icons 9
- Using icons list 9
- Heat pump 10
- Model series 10
- Skyair super inverter 70 d series 10
- Model name and power supply 12
- Model name and power supply 4 1 external appearance 5 12
- Part 1 model name and power supply 12
- Skyair super inverter 70 d series heat pump part 1 model name and power supply 12
- Complied with australian standard 50hz 13
- Hz model series 13
- Model name and power supply 13
- New model or changed model 2 power supply intake outdoor units 13
- External appearance 14
- Indoor units 14
- Outdoor units 14
- Remote controller 14
- Functions 8 16
- List of functions 16
- Part 2 functions 16
- Fhycp fuyp 17
- Functions 17
- G improved points and functions no change no functions 17
- List of functions 17
- Fhyp fayp 18
- G improved points and functions no change no functions 18
- Note pmv predicted mean vote mio multi input and output 19
- Part 3 specifications 20
- Specifications 2 20
- Fhycp ceiling mounted cassette type pair system 21
- Specifications 21
- Fhycp ceiling mounted cassette type twin stem 22
- Sie25 110 specifications 22
- Specifications 13 22
- Fhyp ceiling suspended type pair system 23
- Specifications 23
- Specifications sie25 110 23
- Fhyp ceiling suspended type twin system 24
- Sie25 110 specifications 24
- Specifications 15 24
- Fuyp new ceiling suspended cassette type 25
- Specifications 25
- Specifications sie25 110 25
- Fayp wall mounted type 26
- Sie25 110 specifications 26
- Specifications 17 26
- Fhycp ceiling mounted cassette type 27
- Specifications 27
- Specifications sie25 110 27
- Fhycp ceiling mounted cassette type 28
- Sie25 110 specifications 28
- Specifications 19 28
- Comply with australian standard 50hz 29
- Fhycp ceiling mounted cassette type pair system 29
- Specifications 29
- Specifications sie25 110 29
- Fhycp ceiling mounted cassette type twin system 30
- Sie25 110 specifications 30
- Specifications 21 30
- Part 4 remote controller 32
- Wired remote controller 4 32
- Wireless remote controller 8 32
- 16 17 18 33
- Brc1c61 33
- Wired remote controller 33
- Wired remote controller new model for cooling only and heat pump model 33
- Inspection test operation button 34
- Installation 35
- Explanation of receiver 37
- Names and function 37
- Wireless remote controller 37
- Field piping and wiring 2 40
- Part 5 field piping and wiring 40
- Caution keep in mind that if the phosphor copper brazing filler metal is used and the brazing temperature and the heating time exceed a certain point the phosphor changes into the gaseous state e g bcup 1 to 5 between 700 and 800c which causes pin holes and results in refrigerant leakage 41
- Caution to be taken when brazing refrigerant piping do not use flux when brazing copper to copper refrigerant piping particularly for the hfc refrigerant piping therefore use the phosphor copper brazing filler metal bcup which does not require flux flux has extremely harmful influence on refrigerant piping systems for instance if the chlorine based flux is used it will cause pipe corrosion or in particular if the flux contains fluorine it will damage the refrigerant oil the use of flux is strictly forbidden since the cleaning on site is impossible 41
- Field piping and wiring 41
- Precautions 41
- Refrigerant piping materials 41
- Field piping and wiring 33 42
- Piping work for r 407c model partially differs from r 22 model in items and procedures of piping work and refrigerant charging due to different component and higher pressure for r 407c the below chart shows general work procedure for r 407c model 42
- Procedure 42
- Procedure and tools for refrigerant piping work 42
- Sie25 110 field piping and wiring 42
- Air tightness test 43
- Field piping and wiring 43
- Field piping and wiring sie25 110 43
- Flaring 43
- Joint brazing 43
- Precautions for installation work 43
- Refrigerant charging 43
- Field piping 44
- Field wiring 46
- Gas piping 46
- Indoor unit 46
- Liquid piping 46
- Marks install trap at each difference in height 15m 46
- Oil trap 46
- Outdoor unit 46
- Caution be sure to ground the air conditioner do not connect the earth wire to a gas pipe water pipe lightning conductor or telephone earth wire use only copper wires 47
- Cautions as this unit is equipped with an inverter installing a phase advancing capacitor not only will deteriorate power factor improvement effect but also may cause a capacitor abnomal heating accident due to high fre quency waves therefore never install a phase advancing capacitor keep power imbalance to within 2 of the supply rating 1 large imbalance will shorten the life of the smoothing capacitor 2 as a protective measure the product will stop operating and an error indication will be made when power imbalance exceeds 4 of the supply rating when installing the leakage breaker make sure it is an inverter type high frequency high freq non sensing type breaker 47
- The wiring between the indoor unit and outdoor unit must be for 220v do not turn on the main switch until all the wiring is complated the resistance of the grounding must not exceed 500 when performing electrical wiring refer also to the wiring diagram affixed to the unit use the specified wires and fix them with clamps so that no external forces act on the terminals for clamp ing push the hook in tail end of the clamp to loosen it pass the wires through it then fasten the clamp clamp the wiring as shown below taking care that the wires do not touch the piping especially high pres sure piping never squeeze extra wires into the unit when leading out the wires to the front or side you can use a wire conduit passing through the knock out hole 34mm when you don t use a wire conduit be sure to protect the wires with vinyl tubes etc to pre vent the edge of the knock out hole from cutting the wires form the wires and fix the cover firmly so that the cover may be fit in properly 47
- Warning electrical wiring must be carried out by qualified personnel before obtainging access to terminal devices all supply circuits munt be interrupted 47
- When using 71 model when using 100 125 140 model 47
- Existence of dip switch jumper and bs 0 48
- Method of field set reset after maintenance inspection repair 0 48
- Part 6 field setting 48
- Settings concerning maintenance 3 48
- Explanation 49
- Field set is carried out from the remote controller at time of installation or after maintenance inspection repair carry out field set according to the explanation below incorrect settings will cause a malfunction to occur the indoor unit settings are sometimes changed if optional accessories are mounted on the indoor unit refer to the optional accessory manual 49
- Method of field set reset after maintenance inspection repair 49
- Field setting 50
- Procedure 50
- Wired remote controller 50
- Procedure 51
- Wireless remote controller 51
- Field setting 43 52
- Initial setting contents 52
- Sie25 110 method of field set reset after maintenance inspection repair 52
- Example 53
- Local setting mode no 53
- To set the filter sign time to filter contamination heavy for all units in a group set mode no to 10 setting switch no to 0 and setting position no to 02 53
- Air flow adjustment ceiling height 55
- Air flow direction setting 55
- Detailed explanation of setting modes 55
- Filter sign setting 55
- If switching the filter sign on time set as given in the table below set time 55
- In the case of fhycp 100 140 class 55
- In the case of fhycp 50 71 class fuyp 55
- Make the following setting according to the ceiling height the setting position no is set to 01 at the factory in the case of fayp 55
- Set the air flow direction of indoor units as given in the table below set when optional air outlet blocking pad has been installed the second code no is factory set to 01 55
- Setting table 55
- Example 56
- If using as twin system switch the second code no according to the number of units connected as given in the table below the second code no is factory set to 01 no of connected units 1 56
- Make the following air flow direction setting according to the respective purpose 56
- No of connected twin system indoor units 56
- Note 1 if set incorrectly a connection mistake malfunction remote controller display ua will result 3 minutes after turning the power on is required for detection 2 if different models are used in combination designate the unit that is equipped with the most functions as the main unit 56
- Setting of air flow direction adjustment range 56
- Setting table 56
- Ultra long life filter sign setting 56
- When a ultra long life filter is installed the filter sign timer setting must be changed 56
- By setting to set fan speed you can switch the fan speed to the set fan speed when the heating thermostat is off since there is concern about draft if using fan speed up when thermostat is off you should take the setup location into consideration 57
- Fan speed changeover when thermostat is off 57
- Fan speed off when thermostat is off 57
- Setting table 57
- When the cool heat thermostat is off you can stop the indoor unit fan by switching the setting to fan off used as a countermeasure against odor for barber shops and restaurants 57
- After completing setting seal off the opening of the address switch and the main sub switch with the attached sealing pad 58
- Explanation 58
- If several wireless remote controller units are used together in the same room including the case where both group control and individual remote controller control are used together be sure to set the addresses for the receiver and wireless remote controller for group control see the attached installation manual for the indoor unit if using together with a wired remote controller you have to change the main sub setting or the receiver 58
- Setting the receiver 58
- Through the small opening on the back of the receiver set the wireless address switch ss2 on the printed circuit board according to the table below 58
- When using both a wired and a wireless remote controller for 1 indoor unit the wired controller should be set to main therefore set the main sub switch ss1 of the receiver to sub 58
- Wireless setting address and main sub setting 58
- 1 hold down the button and the button for at least 4 seconds to get the field set mode indicated in the display area in the figure at right 2 press the button and select a multiple setting a b each time the button is pressed the display switches between a and b 3 press the button and button to set the address 59
- Address can be set from 1 to 6 but set it to 1 3 and to same address as the receiver the receiver does not work with address 4 6 4 press the button to enter the setting 5 hold down the button for at least 1 second to quit the field set mode and return to the normal display 59
- Multiple settings a b 59
- Setting the address of wireless remote controller it is factory set to 1 59
- When the indoor is being operating by outside control central remote controller etc it sometimes does not respond to on off and temperature setting commands from this remote controller check what setting the customer wants and make the multiple setting as shown below 59
- After setting 60
- Centralized group no setting 61
- Centralized group no setting by remote controller 61
- Group no setting example 61
- Indoor unit pcb 62
- Settings concerning maintenance 62
- Outdoor unit switches setting jumper 66
- Rzp71dv1 val e 66
- Rzp100 125dv1 e rzp100dval e 67
- Rzp125 140dtal 68
- Existence of dip switch jumper and bs 69
- Reference table 69
- Rzp71 140d 69
- Existence of dip switch jumper and bs sie25 110 71
- Field setting 71
- Initial dip switch setting list factory set 71
- Notes the power supply breaker should be switched off before changing position of switches 71
- Concerning emergency operation 72
- During emergency heating operation defrosting is carried out for 3 minutes every hour 4 way valve outdoor unit fan and indoor unit fan are turned off 72
- Emergency operation 72
- Emergency operation of indoor units 72
- Emergency operation of outdoor units 72
- If a safety device should be actuated during emergency operation all actuators are turned off if you reset after waiting for 3 minutes operation will start again emergency operation cannot be carried out if the pc board itself is defective 72
- Method of switching in time of emergency 72
- Note for emergency operation be sure to set emergency operation for both the indoor and outdoor units do not attempt to operate the equipment from the remote controller during emergency operation emergency operation is computer controlled and therefore cannot be carried out if the microcomputer is not operating properly 72
- Notes 1 do not operate from remote controller during emergency operation 2 operate the switch only when the power supply is turned off 72
- The table below contains a list of actuators for manually operating the equipment in time of emergency 72
- Turn off the power supply and set the emergency switch to on and heat for heating or cool for cooling operation will be started manually when you turn the power back on heat cannot be set for a cooling only air conditioner 72
- You can operate the system manually by changing the setting of the emergency switch ss1 on the indoor unit s pc board from normal to emergency when switched however the equipment cannot regulate temperature the table below contains a list by model of actuators for manually operating indoor units in time of emergency 72
- Enter the field set mode continue to push the inspection test operation button for a minimum of 4 seconds 2 enter the maintenance mode after having entered the field set mode continue to push the inspection test operation button for a minimum of 4 seconds 3 select the mode no set the desired mode no with the up down temperature setting button 4 select the unit no select the indoor unit no set with the time mode start stop button 5 carry out the necessary settings for each mode modes 41 44 and 45 see the table below for details 6 enter the setting contents modes 44 and 45 enter by pushing the timer on off button 7 return to the normal operation mode tap the inspection test operation button one time 73
- Maintenance mode setting 73
- Operation is not reset by malfunction code reset for inspection cannot be reset because the count is updated each time a malfunction occurs 73
- Procedure 73
- Electric function parts 1 74
- Function details 4 74
- Function of main components and thermistors 6 74
- Function outline 8 74
- Operation range 8 74
- Part 7 function and operation 74
- Function and operation 75
- Function of main components and thermistors 75
- Function of main components and thermistors sie25 110 75
- Fhycp fhyp fuyp fayp 77
- Function and operation 77
- Function outline 77
- Function outline sie25 110 77
- Indoor unit 77
- Function and operation 69 78
- Outdoor unit 78
- Rzp71 140d 78
- Sie25 110 function outline 78
- Function and operation 79
- Function outline sie25 110 79
- Drawing no given inside brackets 80
- Electric function parts 80
- Fayp bv1 80
- Fhycp dve dvl 80
- Fhyp bv1 80
- Fuyp bv1 80
- Indoor unit 80
- Inside shows drawing numbers 81
- Outdoor unit 81
- Inside shows drawing numbers 82
- Draft avoidance control 1 83
- Draft is circumvented by delaying transfer of the flap to the po0 horizontal position for a certain amount of time when defrosting and in the heating mode with the thermostat off 83
- Function details 83
- Indoor unit 83
- Thermostat control 83
- Air flow volume shift control 84
- Draft avoidance control 2 84
- Freeze prevention control 84
- A drain pan water level detection system water level sensor type cassette type i during operation startup 85
- Condensation avoidance control fhyp model only 85
- Continuous 30 minutes operation of cooling one hour drying 85
- Drain pump control fhycp and fhyp option only 85
- During cooling and program dry operation modes the control function turns on the drain pump according to the compressor operation when the compressor turns off the drain pump continues operating for additional 5 minutes 2 during cooling and microcomputer controlled operation modes as well as in the initial stage of heating operation the control function detects the water level in the drain pan and performs an error shutdown process if the water level is abnormal 85
- Function and operation 85
- Function details sie25 110 85
- If the indoor unit is for both a heat pump and cooling only type this function differentiates whether the outdoor unit is functioning as a heat pump or cooling only unit and automatically decides the which operation modes can be set 85
- Note 1 regardless of thermostat on or off the control can be functioned with the operation mode of cooling automatic cooling or programmed drying 2 the function is not provided for models other than fhyp71 125b 85
- Operation modes which can be set heat pump fan cool dry auto heat 85
- Outdoor unit identification function 85
- B drain pan water level detection system float type units other than cassette type i during operation startup 86
- Function and operation 77 86
- Ii during operation compressor on 86
- Note 1 if the drain pan water level becomes normal within 1 minute and 20 seconds after the unit is turned on the error shutdown processing is not conducted if the thermostat is on at that time the compressor turns on 2 in the initial stage of operation the same control is also provided in heating mode 86
- Note 1 in the initial stage of operation the same control is also provided in heating mode 86
- Note 2 after detecting abnormal drain pan water level if the control function determines that there is no abnormality within 3 minutes the error shutdown processing is not conducted 3 once drain pan water level abnormality is determined the compressor does not turn on for 2 minutes after the unit is restarted even if the water level is normal 86
- Sie25 110 function details 86
- Auto restart function 87
- Caution when performing maintenance and the power supply is to be shut off be sure to turn the remote controller s on off switch off first 87
- Function and operation 87
- Function details sie25 110 87
- If there is a power cut when the unit is operating it will automatically resume the same operating mode when the power is restored 87
- Ii during operation compressor on 87
- Note 3 once drain pan water level abnormality is determined the compressor does not turn on for 2 minutes after the unit is restarted even if the water level is normal 87
- Shutting the power supply switch off while the on off switch is still on is dangerous because the power failure automatic reset function will cause the indoor fan to start turning immediately or the outdoor unit fan to automatically start turning three minutes after the power supply is turned back on 87
- Using conditions for remote controller thermostat 88
- According to suction air temp 89
- Auto restart function 89
- Caution when performing maintenance and the power supply is to be shut off be sure to turn the remote controller s on off switch off first 89
- If there is a power cut when the unit is operating it will automatically resume the same operating mode when the power is restored 89
- Operation condition 89
- Program dry operation function 89
- Shutting the power supply switch off while the on off switch is still on is dangerous because the power failure automatic reset function will cause the indoor fan to start turning immediately or the outdoor unit fan to automatically start turning three minutes after the power supply is turned back on 89
- The points of thermostat on or off are determined according to the suction air temperature at the startup of unit operation the set temperature and flow rate are not displayed on remote controller 89
- Thermostat on point 89
- 1 l or ll operation for fhycp d model only 90
- Fan and flap operations 90
- Forced thermostat off 91
- Inverter outdoor unit r 407c rzp71 140d 91
- Restart standby 91
- Retry control 91
- Thermostat off due to freeze up protection only in cooling operation 91
- Thermostat off due to outside temperature only in heating operation 91
- Automatic operation mode control pmv control 92
- Capacitor discharging control 92
- Simulated operation function 92
- Thermostat on off judgement 92
- Starting control 93
- Starting control cooling 93
- Starting control heating 93
- When compressor start up the starting frequency is fixed for specified period of time at low frequency to prevent returning of refrigerant 93
- When heating operation start outdoor unit fan is stopped until the condition of low pressure 0 mpa is met in order to prevent returning of liquid refrigerant 93
- Compressor operation frequency is controlled with the following steps in order to make evaporating temperature constant when cooling and make condensing temperature constant when heating the target temperature of evaporation tes in cooling varies within the range of 2 c tes 20 c in accordance with trs and indoor air conditioning load the target temperature of condensation tcs also varies within the range of 42 c tcs 51 c 94
- Compressor step control 94
- Heat exchanger outlet superheat degree 94
- Motorized valve closes when slight overheat operation target heat exchanger outlet superheat degree heat exchanger outlet superheat degree 94
- Motorized valve opens the initial value of target heat exchanger outlet superheat degree is 5 c however it varies depending on change of discharge pipe superheat degree of inverter compressor etc 94
- Motorized valve pi control 94
- Fan step table 95
- Rzp100d 95
- Rzp125d 95
- Rzp71d 95
- Conducts on off control of the solenoid valve for subcooling circuit as follows when the compressor operation frequency is at step 10 or lower or either temperature of discharge pipe or suction pipe is low the valve does not open collect the oil by opening the svc for 10 seconds in oil return mode 96
- Conducts preheating operation in the following conditions during compressor stops operation 96
- Crankcase heater control 96
- Pre heating operation on compressor mg s on 96
- Preheating operation control for rzp71d only 96
- Rzp140d 96
- Subcooling heat exchanger control 96
- When compressor stops for extended period of time crank case heater control is conducted in order to prevent refrigerant from dissolving in compressor oil 96
- Drooping control and protection control below mentioned are conducted to prevent high pressure from abnormal rising and activation of protection devices 97
- Drooping control and protection control below mentioned are conducted to prevent low pressure from abnormal lowering 97
- Function and operation 97
- Function details sie25 110 97
- High pressure protection control 97
- Low pressure protection control 97
- Model rzp71d model rzp100 140d ahz 53hz 62hz bhz 123hz 124hz chz 63hz 62hz 97
- Model rzp71d model rzp100 140d ahz 63hz 62hz 97
- When cooling operation 97
- When heating operation 97
- Controls motorized valve opening degree and compressor operation frequency to prevent compressor internal temperature from abnormal rising 98
- Discharge pipe temperature protection control 98
- Function and operation 89 98
- Model rzp71d model rzp100 140d a c 100 c 100 c b c 105 c 105 c c c 110 c 110 c d c 120 c 120 c e c 125 c 135 c fhz 81hz 62hz gmin 15min 10min 98
- Model rzp71d model rzp100 140d m c 95 c 95 c n c 80 c 98
- Motorized valve opening degree control 98
- Operation frequency control 98
- Sie25 110 function details 98
- Td discharge pipe temperature of compressor c 98
- Control by inverter fin temperature 99
- Drooping current 99
- Function and operation 99
- Function details sie25 110 99
- In heating operation controls compressor operating frequency to prevent oil from remaining in the outdoor unit heat exchanger by the continuous operation of compressor at high superheated degree of the suction pipe 99
- Inverter current protection control 99
- Model rzp71d model rzp100 140d a c 85 c 93 c b c 82 c 90 c 99
- Model rzp71d model rzp100 140d p a 14a 24a q a 25a 99
- Restricts compressor operation frequency to prevent compressor from tripping due to inverter overcurrent 99
- Restricts compressor operation upper limit frequency to prevent compressor from tripping due to inverter fin temperature 99
- Suction pipe superheat protection control only in heating operation 99
- Monitors the overall current and restricts the upper limit compressor operating frequency to prevent circuit breakers from exceeding the rated capacity 100
- Protection control by overall current 100
- Upper limit current a takes the following values depending on the outside temperature also varies depending on model 100
- Compressor operation frequency restriction 101
- Controls outdoor unit fan under low outside temperature condition to secure pressure difference between high and low pressure 101
- Function and operation 101
- Function details sie25 110 101
- Heating overload control 101
- In heating overload condition controls outdoor unit fan to secure the differential pressure between high and low pressures of compressor 101
- Low outside temperature control in cooling operation 101
- Low pressure difference low compression protection control 101
- Oil recovery operation 101
- To ensure the compression ratio under low outdoor temperature cooling condition and the pressure difference between liquid pressure and low pressure controls the outdoor unit fan and changes the target value of compressor pi control 101
- When compressor operates for extended period of time with low frequency oil level in compressor may be lowered due to incomplete oil recovery to prevent the problem conducts oil recovery operation with higher compressor operation frequency for 10 minutes the interval of oil recovery operation may be shortened when the compressor operates frequently with low frequency 101
- 5 c a 3 hours when outdoor temperature 5 c a 6 hours 102
- Defrost condition 102
- Defrost control 102
- Function and operation 93 102
- Heating integral capacity 102
- Sie25 110 function details 102
- When heating operation defrost operation is conducted to melt frost on outdoor unit heat exchanger defrost starting condition intelligent type defrosting starts when the following conditions have been realized 102
- Conducts pump down residual operation when compressor stops to collect refrigerant in evaporator for preventing liquid refrigerant from remaining in the evaporator contents of control compressor for rzp71d 41 hz for rzp100 140d 110 hz motorized valve 0 pls fixed opening degree solenoid valve for receiver gas purging svg on open ending condition 103
- D pls 95 pls 95 pls rzp100d 135 pls rzp125d 154 pls rzp140d 103
- Defrost control 103
- Defrost ending condition defrosting ends when the following conditions have been realized after 1 minute elapsed from defrosting start note that defrosting can be operated for 10 minutes at longest 103
- Function and operation 103
- Function details sie25 110 103
- Model rzp71d model rzp100 140d ahz 172hz 210hz bhz 134hz 177hz chz 48hz 74hz 103
- Pump down residual operation 103
- A when cooling the indoor fan is operated with upper limit l until the low pressure reaches 0 mpa 104
- B hot startup control only in heating operation when startup or after defrosting has been completed in heating operation controls indoor unit fan to prevent cool air from blasting and secure the startup performance 104
- Following indoor fan control is conducted with instruction from outdoor unit 104
- Indoor fan control at compressor startup 104
- Indoor fan control before compressor startup 104
- Indoor fan control before compressor stop 104
- Indoor fan control during compressor stop 104
- Indoor unit fan control 104
- The residual operation of indoor unit fan is conducted before compressor stop during pump down residual operation to startup compressor smoothly next time cooling operation minimizes the residual refrigerant amount in indoor unit heat exchanger heating operation lowers the high pressure by discharging stagnant air around the indoor unit heat exchanger indoor fan control before compressor stop 104
- When the unit operation is turned off by remote controller the indoor fan stops once however if the 1 step up signal for indoor fan is received from outdoor unit rotates again with ll tap 104
- Outdoor unit low noise control 105
- Setting mode 105
- Test run control 105
- C setting by capacity precedence when setting dip switches ds1 4 on the outdoor unit pc board to on activates capacity precedence setting in both a and b if the air conditioning load increases the low noise operation stops to return to normal operation when setting the dip switches ds1 4 to off precedes the low noise operation even if the air conditioning load increases the low noise operation continues 106
- Emergency operation 106
- Since the night time judgement 22 8 o clock is made in accordance with outside temperature the night time is a target only 106
- Transmission between indoor and outdoor units is not conducted in cooling operation on for 20 minutes and off for 10 minutes are conducted in succession in heating operation defrosting is conducted once every 1 hour for 3 minutes in other conditions than the above mentioned the same control as normal control is conducted 106
- Operation limits 107
- Operation range 107
- How to handle request for maintenance 06 108
- Maintenance inspections 01 108
- Part 8 troubleshooting 108
- Procedure of self diagnosis by led 27 108
- Procedure of self diagnosis by remote controller 21 108
- Troubleshooting based on equipment condition 07 108
- Troubleshooting by remote controller display led display 30 108
- During or after maintenance when the power supply is turned back on operation restarts automatically by the auto restart function please exercise the proper caution 110
- Guide lines for optimal operation condition 110
- Maintenance inspections 110
- Note figures given inside parentheses are in unit of kg cm ² 110
- Optimal operation condition 110
- Standard conditions 110
- The operation value guide lines when operating under standard conditions at rated frequency by pushing the test run button on the remote controller are as given in the table below rz y 71 125l are used as example outdoor units in the table indoor unit fan h operation compressor rated frequency 110
- Correlation of air conditioner s operation status and pressure running current 111
- Notes 1 1 water in the refrigerant freezes inside the capillary tube or expansion valve and is basically the same phenomenon as pump down 2 2 dirt in the refrigerant clogs filters inside the piping and is basically the same phenomenon as pump down 3 3 pressure differential between high and low pressure becomes slight 111
- What happens in comparison to normal values is summarized in the table below measured from 15 20 minutes or more after operation starts 111
- When cooling 111
- When heating 111
- Gauge pressure 112
- R407c gas side 112
- R407c liquid side 112
- Refrigerant saturation curve 112
- Sie25 110 maintenance inspections 112
- Temperature c 112
- Troubleshooting 103 112
- Cautions in handling new refrigerant 113
- Required tools 113
- Cautions in working with the new refrigerant 114
- Find out the situation according to the following procedure when there is a request for service from the customer 115
- Flow chart 115
- How to handle request for maintenance 115
- How to handle request for maintenance sie25 110 115
- Troubleshooting 115
- Troubleshooting based on equipment condition 116
- All models of skyair series 117
- Applicable model 117
- Equipment does not operate 117
- Error detection method 117
- Error generating condition 117
- Fuse blown or disorder of contact in operation circuit faulty operation switch or contact point faulty high pressure switch faulty magnetic switch for fan motor activation or fault of overcurrent relay for fan motor faulty overcurrent relay for compressor faulty compressor protection thermostat insufficient insulation in electric system faulty contact point of magnetic switch for compressor malfunction of compressor 117
- Possible causes 117
- Troubleshooting 117
- Troubleshooting based on equipment condition sie25 110 117
- Applicable model 118
- Indoor fan operates but compressor does not 118
- Malfunction decision conditions 118
- Method of malfunction detection 118
- Possible causes 118
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 119
- Troubleshooting 119
- Troubleshooting based on equipment condition sie25 110 119
- All models of skyair series 120
- Applicable model 120
- Cooling heating operation starts but stops immediately 120
- Error detection method 120
- Error generating condition 120
- Excess charge of refrigerant air intrudes into refrigerant system faulty pressure switch faulty magnetic switch for outdoor unit fan motor faulty aux relay for outdoor unit fan motor soiled heat exchanger of outdoor unit there is an interfering item in air flow of outdoor unit malfunction of outdoor unit fan soiled air filter of indoor unit soiled heat exchanger of indoor unit there is some interfering item in airflow of indoor unit malfunction of indoor unit fan 120
- Possible cause 120
- Sie25 110 troubleshooting based on equipment condition 120
- Troubleshooting 120
- Troubleshooting 111 120
- After equipment shuts down it cannot be restarted for a while 121
- All models of skyair series 121
- Applicable model 121
- Error detection method 121
- Error generating condition 121
- Overcurrent relay for compressor compressor protection thermostat overcurrent relay may act due to the following reasons lower voltage of power supply excess level of high pressure insufficient size of power cable malfunction of compressor compressor protection thermostat may act due to the following reasons internal leakage of four way valve there is no difference between suction and discharge temperature insufficient compression of compressor incorrect refrigerant faulty expansion valve insufficient circulation of refrigerant 121
- Possible cause 121
- Troubleshooting 121
- Troubleshooting based on equipment condition sie25 110 121
- Applicable model 122
- Equipment operates but does not provide cooling 122
- Error detection method 122
- Error generating condition 122
- Possible cause 122
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 123
- Troubleshooting 123
- Troubleshooting based on equipment condition sie25 110 123
- All models of skyair series 124
- Applicable model 124
- Equipment operates but does not provide heating 124
- Error detection method 124
- Error generating condition 124
- Excess charge of refrigerant air intrudes into refrigerant system faulty pressure switch faulty magnetic switch for outdoor unit fan motor faulty aux relay for outdoor unit fan motor soiled heat exchanger of outdoor unit there is an interfering item in air flow of outdoor unit malfunction of outdoor unit fan soiled air filter of indoor unit soiled heat exchanger of indoor unit there is some interfering item in airflow of indoor unit malfunction of indoor unit fan 124
- Possible cause 124
- Sie25 110 troubleshooting based on equipment condition 124
- Troubleshooting 124
- Troubleshooting 115 124
- All models of skyair series 125
- Applicable model 125
- Equipment discharges white mist 125
- Error detection method 125
- Error generating condition 125
- Humid installation site installation site is dirty and with dense oil mists soiled heat exchanger clogged air filter malfunction of fan motor 125
- Possible cause 125
- Troubleshooting 125
- Troubleshooting based on equipment condition sie25 110 125
- All models of skyair series 126
- Applicable model 126
- Equipment produces loud noise or shakes 126
- Error detection method 126
- Error generating condition 126
- Faulty installation excess charge of refrigerant air intrudes into refrigerant system flushing noise due to refrigerant shortage sound of shoo 126
- Possible cause 126
- Sie25 110 troubleshooting based on equipment condition 126
- Troubleshooting 126
- Troubleshooting 117 126
- All models of skyair series 127
- Applicable model 127
- Carpet spread room animal s hair 127
- Equipment discharges dust 127
- Error detection method 127
- Error generating condition 127
- Possible cause 127
- Troubleshooting 127
- Troubleshooting based on equipment condition sie25 110 127
- All models of skyair series 128
- Applicable model 128
- Error detection method 128
- Error generating condition 128
- Possible cause 128
- Remote controller lcd displays 88 128
- Sie25 110 troubleshooting based on equipment condition 128
- Troubleshooting 128
- Troubleshooting 119 128
- Applicable models 129
- Faulty swing motor faulty micro switch faulty connector connection faulty indoor unit pc board 129
- Fhycp fuyp fhyp fayp 129
- Malfunction decision conditions 129
- Method of malfunction detection 129
- Possible causes 129
- Swing flap does not operate 129
- Troubleshooting 129
- Troubleshooting based on equipment condition sie25 110 129
- Utilizes on off of the limit switch when the motor turns 129
- When on off of the micro switch for positioning cannot be reversed even through the swing flap motor for a specified amount of time about 30 seconds 129
- Explanation 130
- Inspection mode 130
- Local setting mode service mode 130
- Normal mode 130
- Procedure of self diagnosis by remote controller 130
- Test operation mode 130
- The inspection test button 130
- Explanation 131
- Self diagnosis by wired remote controller 131
- Fault diagnosis by wireless remote controller 132
- Procedure 132
- Remote controller display malfunction code and contents 134
- In the case of the shaded error codes inspection is not displayed the system operates but be sure to inspect and repair it 135
- Notes 1 there is a possibility of open phase power supply check power supply also 2 operation when a malfunction occurs may differ according to the model 135
- Foreword 136
- Procedure of self diagnosis by led 136
- Troubleshooting by led on the indoor unit s 136
- Troubleshooting by led on inverter outdoor unit pcb 137
- Sie25 110 procedure of self diagnosis by led 138
- Troubleshooting 129 138
- Explanation for symbols 139
- Troubleshooting by remote controller display led display 139
- Indoor unit 140
- Malfunction code and led display table 140
- Note 1 possibility of open phase in power supply 2 in rzp model l8 is not displayed on remote controller please see page 167 for more detail 141
- Outdoor unit 141
- System 142
- Failure of indoor unit pc board 143
- Applicable models 144
- Malfunction decision conditions 144
- Malfunction of drain water level system float type 144
- Method of malfunction detection 144
- Remote controller display 144
- Supposed causes 144
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 145
- Troubleshooting 145
- Troubleshooting by remote controller display led display sie25 110 145
- Applicable models 146
- Error in drain pipe installation faulty float switch faulty indoor unit pcb 146
- Failure of drain system 146
- Fhycp fuyp 146
- Malfunction decision conditions 146
- Method of malfunction detection 146
- Remote controller display 146
- Sie25 110 troubleshooting by remote controller display led display 146
- Supposed causes 146
- Troubleshooting 146
- Troubleshooting 137 146
- Water leakage is detected based on float switch on off operation while the compressor is in non operation 146
- When the float switch changes from on to off while the compressor is in non operation 146
- Applicable models 147
- Detection by failure of signal for detecting number of turns to come from the fan motor 147
- Failure of indoor unit fan motor broken or disconnected wire failure of contact failure of indoor unit pc board 147
- Fayp fhyp 147
- Indoor unit fan motor lock 147
- Malfunction decision conditions 147
- Method of malfunction detection 147
- Remote controller display 147
- Supposed causes 147
- Troubleshooting 147
- Troubleshooting by remote controller display led display sie25 110 147
- When number of turns can t be detected even when output voltage to the fan is maximum 147
- Applicable models 148
- Malfunction decision conditions 148
- Malfunction of indoor unit fan motor 148
- Method of malfunction detection 148
- Remote controller display 148
- Supposed causes 148
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 149
- Check no 8 149
- Check no 9 149
- Connect correctly 149
- For fhycp100 140d only check for the fan motor connector 149
- Hp or less 149
- Is there any foreign matter around the fan 149
- Remove the foreign matter 149
- Replace the fan motor 149
- Replace the fan motor no 149
- Replace the indoor unit pc board 149
- Troubleshooting 149
- Troubleshooting by remote controller display led display sie25 110 149
- Turn off the power supply 149
- Swing flap motor malfunction lock 150
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 151
- Troubleshooting 151
- Troubleshooting by remote controller display led display sie25 110 151
- Applicable models 152
- Capacity is determined according to resistance of the capacity setting adaptor and the memory inside the ic memory on the indoor unit pc board and whether the value is normal or abnormal is determined 152
- Failure of capacity setting 152
- Failure of capacity setting adaptor connection failure of indoor unit pc board 152
- Fhycp fhyp fuyp fayp 152
- Malfunction decision conditions 152
- Method of malfunction detection 152
- Note capacity is factory set in the data ic on the pc board a capacity setting adaptor that matches the capacity of the unit is required in the following case if the indoor pc board installed at the factory is for some reason changed at the installation site the capacity will not be contained in the replacement pc board if you connect a capacity setting adaptor to a pc board in which the capacity is memorized the capacity setting for the pc board will become the capacity setting of the adaptor priority of capacity setting adaptor 152
- Operation and 1 when the capacity code is not contained in the pc board s memory and the capacity setting adaptor is not connected 2 when a capacity that doesn t exist for that unit is set 152
- Remote controller display 152
- Sie25 110 troubleshooting by remote controller display led display 152
- Supposed causes 152
- Troubleshooting 152
- Troubleshooting 143 152
- All indoor unit models 153
- Applicable models 153
- Failure of the sensor itself broken or disconnected wire failure of electronic circuitry indoor unit pc board failure of connector contact 153
- Malfunction decision conditions 153
- Malfunction detection is carried out by temperature detected by heat exchanger sensor 153
- Malfunction of heat exchange temperature sensor system 153
- Method of malfunction detection 153
- Remote controller display 153
- Supposed causes 153
- Troubleshooting 153
- Troubleshooting by remote controller display led display sie25 110 153
- When the heat exchanger thermistor becomes disconnected or shorted while the unit is running 153
- Aii indoor unit models 154
- Applicable models 154
- Failure of the sensor itself broken or disconnected wire failure of indoor unit pc board failure of connector contact 154
- Malfunction decision conditions 154
- Malfunction detection is carried out by temperature detected by suction air temperature sensor 154
- Malfunction of suction air temperature sensor system 154
- Method of malfunction detection 154
- Remote controller display 154
- Sie25 110 troubleshooting by remote controller display led display 154
- Supposed causes 154
- Troubleshooting 154
- Troubleshooting 145 154
- When the suction air temperature sensor s thermistor becomes disconnected or shorted while the unit is running 154
- Malfunction of remote controller air thermistor 155
- Malfunction of moisture sensor system 156
- Actuation of outdoor unit protection device faulty outdoor unit pc board instantaneous power failure 157
- Actuation of protection device 157
- Applicable models 157
- Malfunction decision conditions 157
- Method of malfunction detection 157
- Remote controller display 157
- Rzp71 140d 157
- Supposed causes 157
- The protection device input circuit checks the actuation of each individual protection device batch detection of all protection devices 157
- Troubleshooting 157
- Troubleshooting by remote controller display led display sie25 110 157
- Failure of outdoor unit pc board 158
- Abnormal high pressure level 159
- Applicable models 159
- Malfunction decision conditions 159
- Method of malfunction detection 159
- Outdoor unit led display 159
- Remote controller display 159
- Supposed causes 159
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 160
- Notes some models are not equipped with protection or control hps 160
- Sie25 110 troubleshooting by remote controller display led display 160
- Troubleshooting 160
- Troubleshooting 151 160
- Applicable models 161
- Case where low pressure switch is actuated when the compressor is operating 161
- Continuity of the low pressure switch is detected by the safety device circuitry 161
- Low pressure system lps malfunction 161
- Malfunction decision conditions 161
- Malfunction of refrigerant piping circuit 161
- Method of malfunction detection 161
- Outdoor unit led display 161
- Remote controller display 161
- Rzp71 140d 161
- Supposed causes 161
- Troubleshooting 161
- Applicable models 162
- Compressor motor lock 162
- Malfunction decision conditions 162
- Method of malfunction detection 162
- Outdoor unit led display 162
- Remote controller display 162
- Supposed causes 162
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 163
- Troubleshooting 163
- Troubleshooting by remote controller display led display sie25 110 163
- Abnormality of fan motor system is detected according to the fan speed detected by hall ic when the fan motor runs 164
- Applicable models 164
- Malfunction decision conditions 164
- Malfunction of fan motor the harness connector between fan motor and pc board is left in disconnected or faulty connector fan does not run due to foreign matters tangled clearing condition operate for 5 minutes normal 164
- Malfunction of outdoor unit fan motor 164
- Method of malfunction detection 164
- Outdoor unit led display 164
- Remote controller display 164
- Rzp71 140d 164
- Supposed causes 164
- Troubleshooting 164
- When the fan runs with speed less than a specified one for 15 seconds or more when the fan motor running conditions are met when connector detecting fan speed is disconnected when malfunction is generated 4 times the system shuts down 164
- Applicable models 165
- Malfunction decision conditions 165
- Malfunction of electronic expansion valve 165
- Method of malfunction detection 165
- Outdoor unit led display 165
- Remote controller display 165
- Supposed causes 165
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 166
- Sie25 110 troubleshooting by remote controller display led display 166
- Troubleshooting 166
- Troubleshooting 157 166
- Applicable models 167
- Malfunction decision conditions 167
- Malfunction of discharge pipe temperature 167
- Method of malfunction detection 167
- Outdoor unit led display 167
- Remote controller display 167
- Supposed causes 167
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 168
- Sie25 110 troubleshooting by remote controller display led display 168
- Troubleshooting 168
- Troubleshooting 159 168
- Applicable models 169
- Incomplete high pressure switch disconnection in high pressure switch harness faulty connection of high pressure switch connector faulty outdoor unit pc board disconnected lead wire 169
- Malfunction decision conditions 169
- Malfunction of high pressure switch system 169
- Method of malfunction detection 169
- Outdoor unit led display 169
- Remote controller display 169
- Rzp71 140d 169
- Supposed causes 169
- The protection device circuit checks continuity in the high pressure switch 169
- Troubleshooting 169
- When there is no continuity in the high pressure switch during compressor stops operating 169
- Applicable models 170
- Detection of signal malfunction from outdoor fan motor 170
- Malfunction decision conditions 170
- Malfunction of fan motor signal circuit failure disconnection short of fan motor lead wire and coming off the connector faulty pc board 170
- Malfunction of outdoor fan motor signal 170
- Method of malfunction detection 170
- Outdoor unit led display 170
- Remote controller display 170
- Rzp71 140d 170
- Sie25 110 troubleshooting by remote controller display led display 170
- Supposed causes 170
- Troubleshooting 170
- Troubleshooting 161 170
- When malfunction signal is detected at the start of fan motor operation 170
- Abnormality is detected according to the temperature detected by each individual thermistor 171
- Applicable models 171
- Faulty thermistor faulty connection of connector faulty outdoor unit pc board control pc board 171
- H9 j3 j5 j6 171
- Malfunction decision conditions 171
- Malfunction of thermistor system 171
- Method of malfunction detection 171
- Outdoor unit led display 171
- Refer to p 32 171
- Remote controller display 171
- Rzp71 140d 171
- Supposed causes 171
- Troubleshooting 171
- Troubleshooting by remote controller display led display sie25 110 171
- When thermistor is disconnected or short circuited during operation 171
- Applicable models 172
- Faulty low pressure sensor connection of low pressure sensor with wrong connection faulty outdoor unit pc board incorrect connection of connector 172
- Malfunction decision conditions 172
- Malfunction of suction pipe pressure sensor 172
- Method of malfunction detection 172
- Outdoor unit led display 172
- Remote controller display 172
- Rzp71 140d 172
- Supposed causes 172
- Troubleshooting 172
- Applicable models 173
- Malfunction decision conditions 173
- Method of malfunction detection 173
- Outdoor unit led display 173
- Radiation fin temperature increased 173
- Remote controller display 173
- Supposed causes 173
- Troubleshooting 173
- Applicable models 174
- Dc output overcurrent instantaneous 174
- Malfunction decision conditions 174
- Method of malfunction detection 174
- Outdoor unit led display 174
- Remote controller display 174
- Supposed causes 174
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 175
- Troubleshooting 175
- Troubleshooting by remote controller display led display sie25 110 175
- Applicable models 176
- Electronic thermal time lag 176
- Malfunction decision conditions 176
- Method of malfunction detection 176
- Outdoor unit led display 176
- Remote controller display 176
- Supposed causes 176
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 177
- Troubleshooting 177
- Troubleshooting by remote controller display led display sie25 110 177
- Applicable models 178
- Malfunction decision conditions 178
- Method of malfunction detection 178
- Outdoor unit led display 178
- Remote controller display 178
- Stall prevention time lag 178
- Supposed causes 178
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 179
- Troubleshooting 179
- Troubleshooting by remote controller display led display sie25 110 179
- Malfunction of transmission system between control pcb and inverter pcb 180
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 181
- Troubleshooting 181
- Troubleshooting by remote controller display led display sie25 110 181
- Applicable models 182
- Malfunction decision conditions 182
- Method of malfunction detection 182
- Open phase 182
- Outdoor unit led display 182
- Remote controller display 182
- Supposed causes 182
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 183
- Troubleshooting 183
- Troubleshooting by remote controller display led display sie25 110 183
- Applicable models 184
- Detection by open or short circuit of the radiator fin temperature thermistor during the compressor stops operating 184
- Faulty radiator fin temperature thermistor faulty outdoor unit pc board 184
- Malfunction decision conditions 184
- Malfunction of radiator fin temperature thermistor 184
- Method of malfunction detection 184
- Outdoor unit led display 184
- Remote controller display 184
- Rzp71 140d 184
- Supposed causes 184
- Troubleshooting 184
- When open or short circuit of the radiator fin temperature thermistor is detected during the compressor stops operating 184
- Applicable models 185
- Detection by open or short circuit of the radiator fin temperature thermistor during the compressor stops operating 185
- Faulty inverter pc board faulty radiator fin temperature thermistor independent replacement of the thermistor is not allowed 185
- Malfunction decision conditions 185
- Malfunction of radiator fin temperature thermistor 185
- Method of malfunction detection 185
- Outdoor unit led display 185
- Remote controller display 185
- Rzp71 140d 185
- Supposed causes 185
- Troubleshooting 185
- When open or short circuit of the radiator fin temperature thermistor is detected during the compressor stops operating 185
- Applicable models 186
- Check whether set value written in 186
- Failure of capacity setting 186
- Improper set value of 186
- Malfunction decision conditions 186
- Method of malfunction detection 186
- Outdoor unit led display 186
- Prom at factory or set value of capacity setting adapter for replacement is the same as outdoor unit capacity 186
- Prom differs from the outdoor unit capacity or a capacity setting adapter except for pc board applicable models is installed malfunction decision is made only when turning the power supply on 186
- Prom improper capacity setting adapter faulty outdoor unit pc board 186
- Remote controller display 186
- Rzp71 140d 186
- Supposed causes 186
- Troubleshooting 186
- When the set value on 186
- Applicable models 187
- Gas shortage malfunction 187
- Led display 187
- Malfunction decision conditions 187
- Method of malfunction detection 187
- Remote controller display 187
- Supposed causes 187
- Troubleshooting 187
- Abnormal power supply voltage 188
- Applicable models 188
- Led display 188
- Malfunction decision conditions 188
- Method of malfunction detection 188
- Remote controller display 188
- Supposed causes 188
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 189
- Troubleshooting 189
- Troubleshooting by remote controller display led display sie25 110 189
- Applicable models 190
- Diagnosis of incorrect or broken disconnected wiring if the leds on the indoor unit pc board are off it indicates that the transmission wiring between indoor and outdoor units may be incorrect or broken disconnected 190
- Led display 190
- Malfunction decision conditions 190
- Malfunction of transmission between indoor and outdoor unit 190
- Method of malfunction detection 190
- Microcomputer checks if transmission between indoor and outdoor units is normal 190
- Remote controller display 190
- Rzp71 140d 190
- Sie25 110 troubleshooting by remote controller display led display 190
- Supposed causes 190
- Troubleshooting 1 190
- Troubleshooting 181 190
- When transmission is not carried out normally for a certain amount of time 190
- Wiring indoor outdoor transmission wire is incorrect failure of indoor unit pc board failure of outdoor unit pc board outside cause noise etc power supply open phase 190
- Troubleshooting 191
- Troubleshooting 2 191
- Troubleshooting by remote controller display led display sie25 110 191
- All models of indoor units 192
- Applicable models 192
- Failure of remote controller failure of indoor pc board outside cause noise etc connection of 2 master remote controllers when using 2 remote controllers 192
- Led display 192
- Malfunction decision conditions 192
- Malfunction of transmission between indoor unit and remote controller 192
- Method of malfunction detection 192
- Microcomputer checks if transmission between indoor unit and remote controller is normal 192
- Remote controller display 192
- Sie25 110 troubleshooting by remote controller display led display 192
- Supposed causes 192
- Troubleshooting 192
- Troubleshooting 183 192
- When transmission is not carried out normally for a certain amount of time 192
- A 1 2 3 4 193
- All models of indoor unit 193
- Applicable models 193
- In case of controlling with 2 remote controller check the system using microcomputer if signal transmission between indoor unit and remote controller main and sub is normal 193
- Led display 193
- Malfunction decision conditions 193
- Method of malfunction detection 193
- Normal transmission does not continue for specified period 193
- Remote controller display 193
- Supposed causes 193
- Transmission error between main remote controller and sub remote controller 193
- Transmission error between main remote controller and sub remote controller connection among sub remote controllers faulty remote controller pcb 193
- Troubleshooting 193
- Troubleshooting by remote controller display led display sie25 110 193
- Malfunction of field setting switch 194
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 195
- Troubleshooting 195
- Troubleshooting by remote controller display led display sie25 110 195
- Centralized address setting error 196
- Check no 5 197
- Check no 6 198
- Check for clogged points temperature differences must occur before or after the clogged points 199
- Check for fan motor connector power supply line 1 turn the power supply off with the relay connector disconnected measure the resistance between uvw phases of the connector 3 cores at the motor side then make sure that the resistance between each phase is balanced and not short circuited 199
- Check no 7 199
- Check no 8 199
- 350v during operation 201
- Check no 11 201
- Fan speed pulse input 0v and 5v 201
- 6 90 88 28 17 17 4 81 79 30 16 15 2 73 71 32 14 4 0 66 64 34 13 13 2 59 57 36 12 12 4 54 52 38 11 11 6 48 47 40 10 10 8 44 42 42 9 9 10 40 38 44 9 8 12 36 35 46 8 8 14 33 32 48 7 7 16 30 29 50 7 7 18 27 26 52 6 6 20 25 24 54 6 6 22 23 22 56 5 5 24 21 20 58 5 5 26 19 18 202
- Check for thermistors 202
- Check no 12 202
- Disconnect the thermistor connector from pc board then measure the resistance by using a tester 202
- Sie25 110 troubleshooting by remote controller display led display 202
- Troubleshooting 193 202
- Unit k ω temperature c a b temperature c a b 202
- 0 x 0 8 3 203
- Check no 13 203
- Detected pressure 203
- Detected pressure low pressure side mpa 203
- Low pressure 203
- Measure the voltage dc between pins 2 and 3 of the connector 203
- Output voltage 203
- Output voltage low pressure side 203
- Troubleshooting 203
- Troubleshooting by remote controller display led display sie25 110 203
- Voltage measuring method 203
- Fhycp71 140d 96 204
- Part 9 removal procedure 204
- Rzp71 140d 13 204
- Fhycp71 140d 205
- Procedure 205
- Removal of suction grille 205
- Procedure 206
- Removal of air filter 206
- Procedure 207
- Removal of decoration panel 207
- Procedure 209
- Removal of horizontal blade 209
- Procedure 210
- Removal of swing motor 210
- Procedure 212
- Removal of switch box 212
- Status after removal 213
- Tilt the switch box in the direction shown by the arrow then draw the entire switch box out 213
- Procedure 214
- Removal of pc board 214
- Procedure 216
- Removal of humidity sensor and air temperature thermistor 216
- Procedure 217
- Removal of fan motor 217
- Procedure 219
- Removal of drain pan drain pump float switch 219
- Procedure 221
- Removal of heat exchanger temperature thermistor 221
- Procedure 222
- Removal of outside panels 222
- Rzp71 140d 222
- Procedure 224
- Removal of propeller fan and fan motor 224
- Procedure 225
- Removal of pc board 225
- Procedure 227
- Removal of switch box a 227
- Procedure 228
- Removal of switch box b 228
- Procedure 229
- Removal of compressor for rzp71d 229
- Procedure 230
- Removal of compressor for rzp100 140d 230
- Procedure 232
- Removal of four way valve 232
- Procedure 233
- Removal of solenoid valve and motorized valve for rzp71d 233
- Procedure 234
- Removal of solenoid valve and motorized valve for rzp100 140d 234
- Procedure 235
- Removal of pressure switch and pressure sensor 235
- Part 10 appendix 236
- Piping diagrams 28 236
- Wiring diagrams 30 236
- Pair system 237
- Piping diagrams 237
- Rzp100d rzp125d rzp140d 237
- Rzp71d 237
- Rzp100d rzp125d 238
- Twin system 238
- Fhycp50dve fhycp60dve fhycp71dve fhycp100dve fhycp125dve fhycp71dvl fhycp100dvl fhycp125dvl fhycp140dvl 239
- Indoor units 239
- Wiring diagrams 239
- Fhyp45bv1 fhyp60bv1 fhyp71bv1 fhyp100bv1 fhyp125bv1 240
- Fuyp71bv1 fuyp100bv1 fuyp125bv1 241
- Fayp71bv1 fayp100bv1 242
- Outdoor units 243
- Rzp71dv1 243
- Rzp100dv1 rzp125dv1 244
- Rzp71dval 245
- Rzp100dval 246
- Rzp125dtal rzp140dtal 247
- Drawings flow charts 252
- B 8400 ostend belgium 255
- Internet http www daikineurope com 255
- Sie25 110 06 2002 prepared in belgium by vanmelle 255
- Zandvoordestraat 300 255
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