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Daikin RXYQ96MTJU [10/220] Model selection
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Product Outline SiUS39-504
4 General Information
1.3 Model Selection
VRV II Heat Pump Series
Connectable Indoor Units Number and Capacity
Connectable Indoor Unit
Indoor Unit Capacity
Use the above tables to determine the capacities of indoor units to be connected. Make sure the
total capacity of indoor units connected to each outdoor unit is within the specified value (Btu/h).
The total capacity of connected indoor units must be within a range of 50 to 130% of the rated
capacity of the outdoor unit.
In some models, it is not possible to connect the maximum number of connectable indoor units.
Select models so the total capacity of connected indoor units conforms to the specification.
Ton 8 ton 16 ton
System name RXYQ96M RXYQ192M
Outdoor unit 1 RXYQ96M RXYQ96M
Outdoor unit 2 — RXYQ96M
Total number of connectable indoor units 10 20
Total capacity of connectable indoor units (MBtu/h) 48~120 96~240
Type Model Name Power Supply
Ceiling mounted cassette
type (Multi flow)
FXFQ 12M 18M 24M 30M 36M —
VJU
Ceiling mounted
built-in type
FXSQ 12M 18M 24M 30M 36M 48M
Ceiling mounted
duct type
FXMQ — — — 30M 36M 48M
Ceiling suspended
Type
FXHQ 12M — 24M — 36M —
Wall mounted type
FXAQ 12M 18M 24M — — —
Floor standing type
FXLQ 12M 18M 24M — — —
Concealed Floor
standing type
FXNQ 12M 18M 24M — — —
New refrigerant model code 12 type 18 type 24 type 30 type 36 type 48 type
Selecting model capacity 12,000
Btu/h
18,000
Btu/h
24,000
Btu/h
30,000
Btu/h
36,000
Btu/h
48,000
Btu/h
Equivalent output 1 ton 1.5 ton
2
ton
2.5 ton 3 ton 4 ton
Содержание
- Design installation testing instruction 1
- Design installation testing instruction r 410a heat pump 60hz sius39 504 1
- R 410a heat pump 60hz 1
- Sius39 504 1
- Preface 2
- Appendix 08 3
- Caution for refrigerant leaks 05 3
- Hand over to customer 07 3
- Installation 2 3
- Part 1 general information 3
- Points to bear in mind at the system design 3
- Product outline 3
- R 410a series r 410a series r 410a series r 410a series 3
- Table of contents 3
- Test operation 6 3
- Before operation 71 4
- Caution for refrigerant leaks 74 4
- Field wiring 64 4
- Introduction 44 4
- Main components 47 3 selection of location 48 4 inspecting and handling the unit 50 5 unpacking and placing the unit 51 6 refrigerant piping 52 4
- Optimum operation 94 4
- Part 2 installation manual outdoor unit 139 4
- Part 3 operation manual outdoor unit 77 4
- Safety considerations 79 2 what to do before operation 82 3 remote controller and changeover switch name and function of each switch and display 83 4 operation range 85 5 operation procedure 86 4
- Drawings flow charts iii 5
- Following symptoms are not air conditioner troubles 95 5
- Index i 5
- Part 4 precautions for new refrigerant r 410a 01 5
- Precautions for new refrigerant r 410a 02 5
- Trouble shooting 98 5
- Appendix 08 7
- Caution for refrigerant leaks 05 7
- Hand over to customer 07 7
- Installation 2 7
- Part 1 general information 7
- Part 1 part 1 part 1 part 1 general information general information general information general information 7
- Points to bear in mind at the system design 7
- Product outline 7
- Test operation 6 7
- Indoor units 8
- Model names of indoor outdoor units 8
- Outdoor units inverter series 8
- Product outline 8
- Vju 1 φ 208 230v 60hz tju 3 φ 208 230v 60hz 8
- External appearance 9
- Indoor units 9
- Outdoor units 9
- Connectable indoor unit 10
- Connectable indoor units number and capacity 10
- In some models it is not possible to connect the maximum number of connectable indoor units select models so the total capacity of connected indoor units conforms to the specification 10
- Indoor unit capacity 10
- Model selection 10
- The total capacity of connected indoor units must be within a range of 50 to 130 of the rated capacity of the outdoor unit 10
- Use the above tables to determine the capacities of indoor units to be connected make sure the total capacity of indoor units connected to each outdoor unit is within the specified value btu h 10
- Vrv ii heat pump series 10
- Points relating to the performance of the air conditioning units 11
- Points to bear in mind at the system design 11
- How these installation problems affect an equipment are shown below 13
- The analysis of major installation problems experienced is shown below 13
- The installation is of vital importance 13
- Striking a balance between system installation and general construction work comprehensive flow chart 14
- At the contract drawing stage the following points are critical 15
- Contract drawing 15
- General information 9 15
- Objectives include 15
- Points to bear in mind when preparing the contract drawings 15
- Sius39 504 points to bear in mind at the system design 15
- System and should be used as a reference during this stage of the work 15
- The contents of the drawings should not be subject to subsequent alteration 15
- The drawings should be easily comprehensible to those carrying out the work 15
- The following is a list of the main points to be considered when preparing contract drawings for the 15
- The following points should be borne in mind when preparing the contract drawings from the original drawings and the execution drawings the contract drawings for the air conditioning system are blueprints for the performance of the necessary work which are drawn up on the basis of the original drawings in such a way that a working balance is achieved between the specific requirements of each individual aspect of the work 15
- Example system list 16
- For details on field settings and centralized control group no refer to the installation manual and system reference materials 16
- General information 16
- In addition to the design of the appropriate this system configuration it is also essential that the control system be made amply clear if the system is designed and installed without a clear comprehensive plan then problems are inevitably going to occur during the test run servicing too will become much more time consuming than necessary however if control circuit diagrams are prepared along with the contract drawings in order to make the total system clearly visible then the essential points relating to the electrical connections will be easily understood the test run will go off without a hitch and the whole system will be rendered fully effective 16
- Main considerations in preparation of control circuit diagrams 16
- Mark each outdoor unit with a code 2 add field settings and data for outdoor units and outdoor unit no if using sequential start 3 add the model number of each indoor unit connected to each refrigerant circuit 4 assign each indoor unit a code 5 fill in the location of each indoor unit 6 group indoor units controlled by one or two remote controllers group or individual control 7 assign central group nos if using centralized control 8 add field settings and optional equipment for indoor units 9 add unit no if making separate field settings for each indoor unit under group control 16
- Points to bear in mind at the system design sius39 504 16
- Step 1 compiling a system list 16
- With the vrv ii r 410a heat pump series unit no is determined through automatic addressing therefore readout unit nos after activating the power 16
- Step 2 preparation of the control circuit diagrams 17
- Installation 18
- Step by step installation procedure 18
- Positioning of the pipe holes 19
- Sleeve and insert work 19
- Work involved in individual operations and points to be borne in mind 19
- Installation of indoor unit 20
- Positioning the insert 20
- Positioning 21
- Fxfq m type 22
- General information 22
- Installation sius39 504 22
- Note above figure means minimum value please keep these value at least 22
- Service space for indoor units 22
- Unit inch 22
- Unit inch fxsq m type 22
- Fxmq30 36 48m type 23
- General information 17 23
- Note above figure means minimum value please keep these value at least 23
- Sius39 504 installation 23
- Unit inch 23
- Unit inch fxhq12 24 36m type 23
- 100 from floor for installation in high places 24
- Fxaq m type 24
- Fxlq m fxnq m type 24
- General information 24
- Important leave sufficient clearance for air inlet and maintenance 24
- Installation sius39 504 24
- Note above figure means minimum value please keep these value at least 24
- Space required for installation in 24
- Unit inch 24
- General information 19 25
- Operational steps 25
- Refrigerant pipe work 25
- Sius39 504 installation 25
- The 3 principles of refrigerant piping 25
- The 3 principles of refrigerant piping must be strictly observed 25
- Method for replacing nitrogen brazing 26
- Covering of refrigerant pipes 27
- Refrigerant pipe flushing 28
- Choice of materials for refrigerant piping 29
- Size of refrigerant piping 29
- C brazing the multi system requires only copper copper jointing and the jointing method is explained below 30
- Example r 410a rxyq m series 30
- General information 30
- Installation sius39 504 30
- Refer detail of daikin refnet joint and refnet header on page 118 30
- Table 1 correlation of nozzle tip and size of refrigeration piping 30
- The r 410a heat pump rxyq m series uses a wide range of piping sizes you should therefore be careful when selecting the nozzle tip 30
- The use of hard solder is essential 30
- The values in the table above are for type b torch french 30
- Brazing 31
- A stiffened pipe must always be annealed at least once prior to the flaring work b a pipe cutter must be used to cut the pipe a large pipe cutter must be used where the pipe has a large diameter when cutting a pipe which is too big for the pipe cutter a metal saw may be used but care must be taken to ensure that the debris from sawing does not get into the pipe c set the flaring tool to make sure the flare size remains within the prescribed limits 32
- Compared to previous refrigerants the components of a hfc refrigerant is small r 410a also has a higher pressure than other refrigerants therefore in order to strengthen the intensity of the form and size of the flare section used for r 410a class 2 apparatus unlike the specification of the conventional refrigerants it was set up with different standards when carrying out flare processing use a new rank compatible flare tool or a conventional flare tool 32
- D coat the inner and outer surface of the flare with refrigerator oil ester or ether oil this ensures that the flare nut passes smoothly preventing the pipe from twisting do not use suniso 4gs oil 32
- Flare connection 32
- Flare gauge adapter corresponding to the new rank 32
- General information 32
- Installation sius39 504 32
- Mm 72mm 1 0 mm each 32
- New rank compatible flare tool 32
- Size from the dice surface to the copper tip in mm 32
- When using the later use a flare gauge to take out the pipe from the gauge bar adjust it and then carry out the flare processing 32
- Check that there is no superficial damage to the surface of the flare 33
- General information 27 33
- Important points 1 burrs should be carefully removed 2 2 spanners should be used to grip the flare nuts 3 the flare nut must be inserted before starting the flaring operation 4 the appropriate amount of torque should be used to tighten the flare nut 33
- Sius39 504 installation 33
- Standard torques for tightening flare nut 33
- Flaring procedure 34
- After the work is finished make sure to check that is no gas leak 35
- General information 29 35
- Not recommendable but in case of emergency 35
- Sius39 504 installation 35
- When you keep on tightening the flare nut with a spanner there is a point where the tightening torque suddenly increases from that position further tighten the flare nut the angle shown below 35
- You must use a torque wrench but if you are obliged to install the unit without a torque wrench you may follow the installation method mentioned below 35
- A the flange sheet surface should be clean and undamaged clean any dirt away with a cloth and check that there has been no damage b coat the flange sheet surface with refrigeration oil ester or ether oil and then insert the packing do not use suniso oil 36
- C tighten the bolts in opposite corners first to ensure that the connection is true 36
- Flange connection 36
- General information 36
- Important points 1 only clean refrigeration oil should be used to coat the flange i e free from dirt or water 2 the correct amount of torque should be applied when tightening the flange bolts 36
- Installation sius39 504 36
- Iso hexagonal bolt 36
- Standard torques for tightening screws and bolts 36
- Essential points of thermal insulation 37
- Materials 37
- Thermal insulation work refrigerant piping 37
- Air tight test 38
- Essential points of testing maintaining pressure over a period 38
- As for the air tight test the setup of devices shown in the following figure is recommended with considerations given to vacuum drying and refrigerant additional charging which are operation steps following the air tightness test 39
- Checking for leaks 39
- General information 40
- Important points 1 where the lengths of piping involved are particularly long then the air tight test should be carried out block by block example 1 indoor side 2 indoor side vertical pipes 3 indoor side vertical pipes outdoor side 40
- In order to conduct the air tight test with stop valves of 8 gas side 10 liquid side and those of the refrigerant and vacuum pump all closed then open the nitrogen gas stop valve 7 valve a while adjusting the nitrogen gas pressure regulating valve thus increasing the pressure 40
- Installation sius39 504 40
- General information 35 41
- Sius39 504 installation 41
- The evacuation of air conditioner piping provides the following effects 1 vacuum drying 2 removes air and nitrogen used in air tightness test from the inside of pipes therefore it is necessary to ensure that the both purposes have been achieved in the vacuum drying operation 41
- Vacuum drying 41
- Vacuum drying is the use of a vacuum pump to vaporize gasify the moisture liquid inside the pipes and expel it leaving the pipes completely dry inside at 1 atm 760 mmhg the boiling point evaporating temperature of water is 212 f 100 c but if a vacuum is created inside the pipes using a vacuum pump then the boiling point is rapidly reduced as the degree of the vacuum is increased if the boiling point is reduced to a level below that of the ambient temperature then the moisture in the pipes will evaporate 41
- What is vacuum drying 41
- Choosing a vacuum pump 42
- Key points lower the degree of vacuum to below 14 psi 755mmhg 42
- 2 degree of vacuum ultimate vacuum varies largely according to use of the vacuum pump vacuum pumps used for vacuum forming cannot be used for vacuum drying a vacuum pump with a high degree of vacuum is required 43
- Degree of vacuum is expressed in torr micron mmhg and pascal pa the units correlate as follows 43
- Degree of vacuum measurement an extremely accurate vacuum gauge is required to test degree of vacuum you cannot accurately measure degree of vacuum with the compound gauge on the gauge manifold a pirani vacuum gauge is required to measure degree of vacuum accurately because pirani gauges are very sensitive and require extreme care when using they are not very suitable for use in the field you should therefore use the pirani gauge to calibrate the attached vacuum gauge on the gauge manifold and the degree of vacuum of the vacuum pump 43
- General information 37 43
- Sius39 504 installation 43
- Vacuum pump maintenance because of their nature most vacuum pumps contain large amounts of oil which lubricates bearings etc and functions to enhance airtightness of pistons when using a vacuum pump to discharge air from refrigerant piping moisture in the air tends to get mixed in with the oil you must therefore change oil periodically and make sure the proper oil level is maintained perform periodic inspections in accordance with the operating instructions 43
- When selecting a vacuum you should select one which is capable of achieving 0 torr of ultimate vacuum 43
- Calibration method 1 connect a pirani vacuum gauge and the gauge manifold vacuum gauge 0 760 mmhg to the vacuum pump at the same time and run the pump for about 3 minutes 2 make sure the reading of the pirani vacuum gauge is 5 torr 667 pa or less the reading of conventional vacuum pumps lowers to about 0 torr if the reading is not 5 torr or less check the vacuum pump oil oil is low in many cases 3 check the attached gauge on the gauge manifold adjust the gauge if the reading is not exactly correct 4 adjust the gauge manifold valve so that the pirani vacuum gauge reads 5 torr 5 mark the position indicated by the gauge manifold gauge with an oil based ink pen 6 use the mark of the gauge manifold as a target when vacuuming in the field 44
- General information 44
- Installation sius39 504 44
- Many handy pumps fall into this category 44
- Reference types of vacuum pump with respective maximum degree of vacuum 44
- Vacuum drying procedure 45
- Additional charge of refrigerant at installation time 47
- Refrigerant charging instructions 47
- Caution 48
- Drain pipe gradient and support 49
- Drain pipe work indoor 49
- Drain trap 49
- Grouped drain piping 50
- Use of an auxiliary drain hose flexible 50
- Allowable flow rate figures below the decimal have been discarded 51
- Allowed flow rate figures below the decimal have been discarded 51
- Calculations have been made with water area inside the pipe as 10 51
- Consider 2 l hr of drainage for every 1 hp for example drainage from 3 units running at 2 hp and 2 units running at 3 hp is calculated as follows 2 l hr 2 hp 3 units 2 l hr 3 hp 2 units 24 l hr 51
- General information 45 51
- Piping diameter for grouped drain pipes 51
- Relationship between horizontal pipe diameter and allowable drainage for extended ventilation system 51
- Relationship between riser diameter and allowable drainage for extended ventilation system 51
- Select piping diameter from the below table in accordance with the amount of condensation drained by all units with a common drain pipe 51
- Sius39 504 installation 51
- Use the same drain pipe for the humidifier as the indoor unit 51
- Use vp30 or larger pipe after the convergence point 51
- Use vp30 or larger pipe in risers 51
- 21 5 8 52
- Attached attached 52
- Ceiling mounted cassette type fxfq m multi flow 52
- Ceiling slab 52
- Clamp 2 52
- Drain hose 1 52
- Drain hose attached 1 52
- Drain raising pipe 52
- Fig 20 52
- Fig 21 52
- Fig 22 52
- General information 52
- Installation sius39 504 52
- Raising section 52
- Rig drain piping 52
- Tape white 52
- After piping work is finished check if drainage flows smoothly 53
- Caution 53
- General information 47 53
- Sius39 504 installation 53
- Precautions for drain raising piping 54
- 2 after piping work is finished check drainage flows smoothly open the water inlet lid add approximately 34 oz 1000 cc of water gradually and check drainage flow 55
- 3 insulate both metal clamp and drain hose with the attached sealing pad 55
- General information 49 55
- If converging multiple drain pipes install according to the procedure shown below 55
- Select converging drain pipes whose gauge is suitable for the operating capacity of the unit 55
- Sius39 504 installation 55
- When electric wiring work is finished 55
- When electric wiring work is not finished 55
- 1 install the drain pipes 56
- After piping work is finished check drainage flows smoothly 56
- Ceiling mounted duct type fxmq m 56
- Fxmq30 48m 56
- Note if installing central drain piping install according to the following right figure install a drain trap for each indoor unit 56
- Control wiring 61
- Electrical work 61
- Power supply cabling of main power supply 62
- Duct work indoor 64
- Taking account of noise and vibration 64
- General information 59 65
- If installed as a single unit 65
- Selection of location 65
- Sius39 504 installation 65
- There is no danger of fire due to leakage of inflammable gas 4 ensure that water cannot cause any damage to the location in case it drips out the unit e g in case of a blocked drain pipe 5 the piping length between the outdoor unit and the indoor unit may not exceed the allowable piping length see example of connection 6 select the location of the unit in such a way that neither the discharged air nor the sound generated by the unit disturb anyone 7 make sure that the air inlet and outlet of the unit are not positioned towards the main wind direction frontal wind will disturb the operation of the unit if necessary use a windscreen to block the wind 65
- This unit both indoor and outdoor is suitable for installation in a commercial and light industrial environment if installed as a household appliance it could cause electromagnetic interference the vrv outdoor units should be installed in a location that meets the following requirements 1 the foundation is strong enough to support the weight of the unit and the floor is flat to prevent vibration and noise generation 2 the space around the unit is adequate for servicing and the minimum space for air inlet and air outlet is available refer to figure 1 and choose one of both possibilities 65
- When installed in serial 65
- Inspecting and handling the unit 67
- 3 8 4 φ 19 32 dia holes 68
- 7 16 29 68
- Installation of outdoor unit 68
- Rxyq96mtju 68
- Caution 71
- Check work prior to turn power supply on 72
- Follow the following procedure to conduct the initial test operation after installation 72
- Procedure and outline 72
- Test operation 72
- Turn power on 72
- 7777777 7777 7 73
- 7777777 9 73
- Check operation 73
- Conduct normal unit operation after the check operation has been completed when outdoor air temperature is 75 f or higher the unit can not be operated with heating mode see the instruction manual attached confirm that the indoor outdoor units can be operated normally when an abnormal noise due to liquid compression by the compressor can be heard stop the unit immediately and turn on the crankcase heater to heat up it sufficiently then start operation again operate indoor unit one by one to check that the corresponding outdoor unit operates confirm that the indoor unit discharges cold air or warm air operate the air direction control button and flow rate control button to check the function of the devices 74
- Confirmation on normal operation 74
- Malfunction code in case of an alarm code displayed on remote controller 74
- Be sure to push and hold the reset button for 5 seconds if not the addition cannot be recognized in this case the unit cannot be run for up to 12 minutes to automatically set the address indoor outdoor address etc status 75
- Operation when power is turned on 75
- Tap the reset button on the outdoor unit pc board operation becomes possible for about 2 minutes if you do not push the reset button the unit cannot be run for up to 10 minutes to automatically set master power status 75
- The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc status 75
- When an indoor unit or outdoor unit has been added or indoor or outdoor unit pc board has been changed 75
- When turning on power first time 75
- When turning on power the second time and subsequent 75
- 1 microcomputer normal monitor this monitor blinks while in normal operation and turns on or off when a malfunction occurs 76
- 2 set mode display led leds display mode according to the setting 76
- 3 mode setting switch used to change mode 76
- 4 local setting switch used to make local settings 76
- Outdoor unit pc board 76
- Outdoor unit pc board layout 76
- Field setting 77
- Field setting from remote controller 77
- Group no setting by simplified remote controller 79
- Simplified remote controller brc2a71 79
- General information 80
- Notes 1 settings are made simultaneously for the entire group however if you select the mode no inside parentheses you can also set by each individual unit setting changes however cannot be checked except in the individual mode for those in parentheses 2 the mode numbers inside parentheses cannot be used by wireless remote controllers so they cannot be set individually setting changes also cannot be checked 3 marked are factory set 4 do not make settings other than those described above nothing is displayed for functions the indoor unit is not equipped with 5 88 may be displayed to indicate the remote controller is resetting when returning to the normal mode 6 if the setting mode to equipped heat reclaim ventilation fan conducts the fan residual operation by linking to indoor unit 80
- Setting contents and code no vrv unit 80
- Test operation sius39 504 80
- Applicable range of field setting 81
- General information 75 81
- Sius39 504 test operation 81
- Auto restart after power failure reset 82
- Caution 1 the air conditioner starts operation suddenly after power failure reset or the main power supply turned on again consequently the user might be surprised with question for the reason why 82
- Detailed explanation of setting modes 82
- Fan speed changeover when thermostat is off 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 82
- Filter sign setting 82
- For the above reasons when the unit is set enabling to utilize auto restart function after power failure reset utmost care should be paid for the occurrence of the following situation 82
- For the air conditioners with no setting for the function same as factory setting the units will be left in the stop condition when the power supply is reset automatically after power failure reset or the main power supply is turned on again after once turned off however for the air conditioners with the setting the units may start automatically after power failure reset or the main power supply turned on again return to the same operation condition as that of before power failure 82
- If switching the filter sign on time set as given in the table below set time 82
- In the service work for example turning off the main power switch during the unit is in operation and turning on the switch again after the work is completed start the unit operation the fan rotates 82
- Setting table 82
- Ultra long life filter sign setting when a ultra long life filter is installed the filter sign timer setting must be changed 82
- Air flow adjustment ceiling height make the following setting according to the ceiling height the setting position no is set to 01 at the factory 83
- Air flow direction setting 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 83
- Air flow rate switching at discharge grille for field air flow rate switching when the optional parts high performance filter etc is installed sets to change fan speed for securing air flow rate follow the instruction manual for the optional parts to enter the setting numbers 83
- In the case of fxaq12 24 fxhq12 36 83
- In the case of fxfq12 36 83
- Setting of air flow direction adjustment range make the following air flow direction setting according to the respective purpose 83
- Setting table 83
- Caution when turning the power supply on the unit may often not accept any operation while 88 is displaying after all indications were displayed once for about 1 minute on the liquid crystal display this is not an operative fault 86
- General information 86
- Group no setting example 86
- Test operation sius39 504 86
- Do not select timer operation possible by remote controller if not using a remote controller operation by timer is impossible in this case 1 factory setting 88
- How to select operation mode whether operation by remote controller will be possible or not for turning on off controlling temperature or setting operation mode is selected and decided by the operation mode given on the right edge of the table below 88
- Field setting from outdoor unit 89
- Mode changing procedure 89
- Monitor mode h1p blinks used to check the program made in setting mode 2 89
- Setting by dip switches the following field settings are made by dip switches on pc board 89
- Setting mode 1 h1p off initial status when normal used to select the cool heat setting also indicates during abnormal low noise control and demand control 89
- Setting mode 2 h1p on used to modify the operating status and to set program addresses etc usually used in servicing the system 89
- There are the following three setting modes 89
- General information 90
- Mode changing procedure 90
- Test operation sius39 504 90
- A setting mode 1 91
- B setting mode 2 92
- C monitor mode 95
- Address setting for 101
- Set lower 5 digits with binary number no to no 1 101
- Supplementation on and when switching cool heat for each adapter pc board with the use of more than one adapter pc board set the address of the adapter pc board ds1 and ds2 so that it matches the unified cool heat address of outdoor unit pc board 101
- Image of operation in the case of a 103
- Image of operation in the case of a b 103
- Image of operation in the case of b 103
- General information 99 105
- Image of operation in the case of a 105
- Image of operation in the case of a and b 105
- Image of operation in the case of b 105
- Sius39 504 test operation 105
- Additional refrigerant charge total flow 108
- General information 108
- Setting of refrigerant additional charging operation when additional refrigerant is not charged all with outdoor unit in stop mode operate the outdoor unit and charge the liquid refrigerant from the service port of liquid stop value the additional charging operation is activated by pushbutton switch on the outdoor unit pc board 108
- Test operation sius39 504 108
- Check operation function 110
- Check operation to prevent any trouble in the period of installation at site the system is provided with a test operation mode enabling check for incorrect wiring stop valve left in closed coming out or misplacing with suction pipe thermistor of discharge pipe thermistor and judgment of piping length refrigerant overcharging and learning for the minimum opening degree of motorized valve 110
- Operating procedure 110
- Press mode button bs1 once and reset setting mode 2 110
- Setting of vacuuming mode in order to perform vacuuming operation at site fully open the expansion valves of indoor and outdoor units and turn on some solenoid valves 110
- Use the vacuum pump to perform vacuuming operation 110
- With setting mode 2 while the unit stops set b refrigerant recovery vacuuming mode to on the expansion valves of indoor and outdoor units fully open and some of solenoid valves open h2p blinks to indicate the test operation and the remote controller displays test operation and under centralized control thus prohibiting operation after setting do not cancel setting mode 2 until completion of vacuuming operation 110
- Caution for refrigerant leaks 111
- Introduction 111
- Maximum concentration level 111
- Procedure for checking maximum concentration 111
- Hand over to customer 113
- Important points 113
- Operational steps 113
- Appendix 114
- Difference between catalogue data and actual noise 114
- Operating noise of indoor units 114
- Calculating operating noise 115
- Faint noises and correcting operating noise with respect to faint noises 115
- Allowable piping length 116
- Branch with refnet joint 116
- Branch with refnet joint and refnet header 117
- Branch with refnet header 118
- How to select the refnet joint 119
- Indoor units 1 8 119
- Outdoor unit refnet header 119
- Outdoor unit refnet joint c 119
- Refrigerant branch kit selection 119
- How to choose an outdoor branch kit 120
- How to select the refnet header 120
- Indoor units 1 8 120
- Outdoor unit refnet header 120
- Outdoor unit refnet joint b 120
- Outdoor unit refnet joint c 120
- Refnet header 120
- Between refrigerant branch kit and indoor unit 121
- Caution the thickness and material shall be selected in accordance with local code for an outdoor unit multi installation make the settings in accordance with the following figure 121
- Choose from the following table in accordance with the total capacity of all the indoor units connected below this 121
- Do not let the connection piping exceed the refrigerant piping size chosen by general system model name unit in 121
- Match to the size of the connection piping on the outdoor unit outdoor unit connection piping size unit in 121
- Oil equalizing line only for multiple outdoor units installed part c unit in 121
- Pipe size for direct connection to indoor unit must be the same as the connection size of indoor unit unit in 121
- Pipe size selection 121
- Piping between outdoor branch and outdoor unit part b unit in 121
- Piping between outdoor unit and refrigerant branch kit part a 121
- Piping between refrigerant branch kits 121
- Additional refrigerant to be charged r lb r should be rounded off in units of 0 lb 122
- Example for refrigerant branch using refnet joint and refnet header for rxyq192 122
- How to calculate the additional refrigerant to be charged 122
- Indoor units 1 8 122
- Note if a negative result is gotten for r from the formula at right no refrigerant needs to be added 122
- Outdoor unit 122
- Refnet header 122
- Appendix sius39 504 124
- Gas side 124
- General information 124
- Khrp26m22t 124
- Khrp26m33t 124
- Khrp26m72tu 124
- Liquid side 124
- Liquid side gas side 124
- Refnet joint unit mm 124
- Refnet pipe connections for vrvii r 410a series 124
- Gas side liquid side 125
- General information 119 125
- Khrp26m22h 125
- Khrp26m33h 125
- Khrp26m72h 125
- Refnet header unit mm 125
- Sius39 504 appendix 125
- General information 121 127
- Sius39 504 appendix 127
- Vrv inspection sheet 127
- Air filter visual inspection no clogging or damage 128
- Appendix sius39 504 128
- Auxiliary heater electrical insulation 128
- Before turning on the power 128
- Breaker capacity visual inspection specified capacity g ng 128
- Fan motor electrical insulation 500 v electrical insulation tester 1 m ωωωω or more 128
- Gas detector no leaks g ng 128
- General information 128
- Heat exchanger visual inspection 128
- Heat exchanger visual inspection no clogging or damage 128
- Indoor unit 128
- Inspection item 128
- Inspection method 128
- Installation visual inspection short circuit etc 128
- Installation visual inspection short circuit etc g ng 128
- M ω or more inv m ω std m ω 128
- M ω or more m ω 128
- Outdoor unit 1 outdoor unit 2 128
- Refrigerant system gas detector no leaks 128
- Screwdriver etc no looseness g ng 128
- Standard guideline measurement values 128
- System name 128
- V electrical insulation tester 1 m ωωωω or more 128
- V megatester 128
- During operation 129
- General information 123 129
- Outdoor unit 1 129
- Outdoor unit 2 129
- Sius39 504 appendix 129
- System name 129
- 55 f when cooling 59 68 f when heating 130
- Appendix sius39 504 130
- Decision 130
- Discharge air temperature 130
- During operation 130
- Fan noise vibration listening no noise or vibration 130
- Fan operating current clamp meter 130
- Fan rotation direction visual inspection forward rotation 130
- General information 130
- Indoor unit 130
- Inspection item inspection method standard guideline measurement values 130
- Powerly supply voltage tester rated voltage 10 130
- Suction air temperature 130
- System name 130
- Thermometer 130
- Thermometer differential 130
- Outdoor unit 131
- Piping system diagrams 131
- Rxyq96mtju 131
- Electronic expansion valve filter filter 132
- Flare connectio 132
- Flare connection 132
- Fxfq 12m 18m 24m 30m 36mvju fxsq 12m 18m 24m 30m 36m 48mvju fxmq 30m 36m 48mvju fxhq 12m 24m 36mvju fxaq 12m 18m 24mvju fxlq 12m 18m 24mvju fxnq 12m 18m 24mvju 132
- Heat exchanger gas piping connection port 132
- Indoor unit 132
- Liquid piping connection port 132
- R1t thermistor for suction air temperature r2t thermistor for liquid line temperature r3t thermistor for gas line temperature 132
- Φ 5 8 or less attached piping above φ 3 4 132
- Outdoor unit 133
- Rxyq96mtju 133
- Wiring diagrams 133
- Field wiring 134
- Rxyq96m 134
- Rxyq192mtju 135
- Bad examples and good examples in installation 136
- Example 1 signal interference due to use of multiple core cable all model 136
- Main points 136
- Situation 136
- Source of problem and remedial action 136
- Example 2 mismatch between cables connecting indoor and outdoor units and corresponding piping all model 137
- Main points 137
- Situation 137
- Source of problem and remedial action 137
- Duct types 18 48 require a drain trap 138
- Example 3 drain pipe trap shape defective 138
- Main points 138
- Situation 138
- Source of problem and remedial action 138
- Example 4 pressure down despite absence of leaks during air tight test all model 139
- Main points 139
- Situation 139
- Source of problem and remedial action 139
- Example 5 excessive noise due to incorrect angling of refnet joints 140
- Main points 140
- Situation 140
- Source of problem and remedial action 140
- Example 6 cracks develop in field pipes due to thermal expansion and contraction 141
- For your reference 141
- Main points 141
- Remedial action 141
- Situation 141
- Cause and remedial action 142
- Example 7 transmission wiring between the cool heat selector and the outdoor unit is too close to a high voltage wire 142
- Example 8 the centralized control group number cannot be set inverter k series 142
- Main points 142
- Remedial action 142
- Situation 142
- Example 9 88 cannot be cleared from the central remote controller 143
- Main points 143
- Remedial action 143
- Situation 143
- Applicable model rxyq96mtju rxyq192mtju 145
- Before operation 71 145
- Caution for refrigerant leaks 74 145
- Field wiring 64 145
- Introduction 44 145
- Main components 47 3 selection of location 48 4 inspecting and handling the unit 50 5 unpacking and placing the unit 51 6 refrigerant piping 52 145
- Part 2 installation manual outdoor unit 145
- Part 2 part 2 part 2 part 2 installation manual installation manual installation manual installation manual outdoor unit outdoor unit outdoor unit outdoor unit 145
- Combination 150
- Introduction 150
- Standard operation limit 150
- Option accessory 151
- Outdoor unit multi connection piping kit for r 410a only always use an appropriate kit dedicated for your system 151
- Refrigerant branching kit for r 410a only always use an appropriate kit dedicated for your system 151
- Standard supplied accessories 151
- To install the above outdoor units the following optional parts are also required 151
- To select an optimum refrigerant branching kit refer to 6 refrigerant piping 151
- 1 refer to the engineering data book for the complete list of specifications 2 the nominal cooling capacity is based on indoor temperature 80 fdb 67 fwb outdoor temperature 95 fdb pipe length 25ft level difference 0ft 3 the nominal heating capacity is based on indoor temperature 47 fdb outdoor temperature 70 fdb 60 fwb pipe length 25ft level difference 0ft 4 the nominal input includes total input of the unit compressor fan motor and control circuit 152
- Electrical specifications 152
- Technical specifications 152
- For main components and function of the main components refer to the engineering data book 153
- Main components 153
- If installed as a single unit 154
- Installation manual outdoor unit 154
- Selection of location 154
- Selection of location sius39 504 154
- There is no danger of fire due to leakage of inflammable gas 4 ensure that water cannot cause any damage to the location in case it drips out the unit e g in case of a blocked drain pipe 5 the piping length between the outdoor unit and the indoor unit may not exceed the allowable piping length see example of connection 6 select the location of the unit in such a way that neither the discharged air nor the sound generated by the unit disturb anyone 7 make sure that the air inlet and outlet of the unit are not positioned towards the main wind direction frontal wind will disturb the operation of the unit if necessary use a windscreen to block the wind 154
- This unit both indoor and outdoor is suitable for installation in a commercial and light industrial environment if installed as a household appliance it could cause electromagnetic interference the vrv outdoor units should be installed in a location that meets the following requirements 1 the foundation is strong enough to support the weight of the unit and the floor is flat to prevent vibration and noise generation 2 the space around the unit is adequate for servicing and the minimum space for air inlet and air outlet is available refer to figure 1 and choose one of both possibilities 154
- When installed in serial 154
- Inspecting and handling the unit 156
- Unpacking and placing the unit 157
- Connecting the refrigerant piping 158
- Refrigerant piping 158
- Selection of piping material 158
- Front connection 159
- Front connection 2 remove the shutoff valve cover to connect 3 flange 4 gas side accessory pipe 1 2 3 5 oil equalizing piping shutoff valve 6 no piping work is needed 7 flare nut 8 brazing 9 liquid side piping field supply 10 side bottom connection 11 remove the knock holes on the bottom frame and route the piping 159
- Front connection 2 remove the stop valve cover to connect 3 flange 4 gas side accessory pipe 1 2 3 5 oil equalizing piping stop valve 6 no piping work is needed 7 flare nut 8 brazing 9 liquid side piping field supply 10 side bottom connection 11 remove the knockout holes on the bottom frame and route the piping under the bottom frame 12 knockout hole 13 punch the knockout hole 14 gas side piping field supply 15 oil equalizing piping field supply 159
- Front connection remove the stop valve cover to connect 159
- Installation manual outdoor unit 153 159
- One outdoor unit installed 159
- Remove the shutoff valve cover to connect 159
- Side bottom connection remove the knock holes on the bottom frame and route the piping under the bottom frame 159
- Side bottom connection remove the knockout holes on the bottom frame and route the piping under the bottom frame 159
- Sius39 504 refrigerant piping 159
- Under the bottom frame 12 knockout hole 13 punch the knock holes 14 liquid side piping field supply 159
- When multiple outdoor units installed to connect the piping between outdoor units an optional piping kit multi connection piping kit is always required when installing the piping follow the instructions in the installation manual that comes with the kit 159
- Branch with refnet joint branch with refnet joint and refnet header branch with refnet header 163
- Example of connection 163
- How to calculate the additional refrigerant to be charged 163
- Installation manual outdoor unit 157 163
- Pipe size selection 163
- Refrigerant branch kit selection 163
- Sius39 504 refrigerant piping 163
- Leak test and vacuum drying 165
- After all the piping has been connected use nitrogen to perform a gas leak check 166
- After tightening the cap check that no refrigerant leaks are present 166
- Always use a charge hose for service port connection 166
- Closing shutoff valve 1 remove the cap and turn the valve clockwise with the hexagon wrench jisb4648 2 securely tighten the valve until the shaft contacts the main body seal 3 make sure to tighten the cap securely for the tightening torque refer to the table on the bellow tightening torque 166
- Flare shape and flarenut tightening torque precautions when connecting pipe 166
- See the following table for flare part machining dimensions 166
- See the following table for tightening torque applying too much torque may cause the flares to crack 166
- When connecting a flare nut coat the flare inner and outer faces with etheral oil or ester oil and hand tighten the nut 3 to 4 turns as the initial tightening 166
- When connecting the flare nuts apply refrigerant oil to the inside and outside of the flares and turn them three or four times at first use ester oil or ether oil 166
- When loosening a flare nut always use two wrenches in combination when connecting the piping always use a spanner and torque wrench in combination to tighten the flare nut 166
- After finishing the leak test and vacuum drying the piping must be insulated take into account the following points 167
- After the work is finished make sure to check that there is no gas leak 167
- Be sure to insulate the liquid side and gas side piping for the inter unit piping and the refrigerant branch kits and always use q18 type or better insulation for the oil pressure equalizer not insulating them may cause leaking the gas piping can reach temperatures of 248 f be sure the insulation used can withstand such temperatures 167
- Caution be sure to insulate local pipes as touching them can cause burns 167
- Disposal requirements dismantling of the unit treatment of the refrigerant oil and eventual other parts should be done in accordance with the relevant local and national regulations 167
- If there is a possibility that condensation on the shut off valve might drip down into the indoor unit through gaps in the insulation and piping because the outdoor unit is located higher than the indoor unit etc this must be prevented by caulking the connections etc 167
- If you think the humidity around the cooling piping might exceed 86 f and rh80 reinforce the insulation on the cooling piping at least 13 16 thick condensation might form on the surface of the insulation 167
- Make sure to insulate the connection piping and refrigerant branch kits entirely 167
- Not recommendable but in case of emergency you must use a torque wrench but if you are obliged to install the unit without a torque wrench you may follow the installation method mentioned below 167
- Pipe insulation 167
- When you keep on tightening the flare nut with a spanner there is a point where the tightening torque suddenly increases from that position further tighten the flare nut the angle shown below 167
- Additional refrigerant charge 168
- Additional refrigerant charge procedure to learn the system settings for additional refrigerant charging refer to the service precaution label attached on the back of the electric box lid in the outdoor unit 1 fully open the gas line shutoff valve liquid line shutoff valve and valve a above must be left fully closed and start the additional refrigerant charge operation 2 after the system is charged with a specified amount of refrigerant press the confirmation button bs3 on the p board a1p in the outdoor unit to stop the additional refrigerant charge operation 3 immediately restore the shutoff valve to the following status the test run cannot be performed properly if the shut off valve is not correct 169
- Installation manual outdoor unit 163 169
- Liquid line shutoff valve gas line shutoff valve oil equalizing line shutoff valve 169
- Note if the refrigerant cylinder is siphonal set it upright while charging additional refrigerant 169
- Open open close default status before delivery 169
- Pressure reducing valve 2 nitrogen 3 tank 4 siphon system 5 measuring instrument 6 vacuum pump 7 valve a 8 gas side 9 outdoor unit 10 liquid side 11 indoor unit 12 shutoff valve service port 13 charge hose 14 to indoor unit 15 oil equalizing line 16 valve b 17 dotted lines represent onsite piping 169
- Procedures for charging additional refrigerant 169
- Sius39 504 refrigerant piping 169
- Field wiring 170
- Optional parts cool heat selector 170
- Power circuit and cable requirements 170
- Examples 171
- General 171
- Field line connection l1 l2 l3 phase of the power cord should be clamped to the safety catch using the included clamp material the green and yellow striped wrapped wires should be used for grounding 172
- Installation manual outdoor unit 172
- Refrigerant piping sius39 504 172
- Field line connection transmission wiring and cool heat selection 174
- In case of multiple outdoor unit 174
- In case of one outdoor unit 174
- Installation manual outdoor unit 174
- Note be sure to follow the limits below if the unit to unit cables are beyond these limits it may result in malfunction of transmission maximum wiring length 3280ft total wiring length 6560ft max branches no of branches 16 max number of outdoor units connectable 10 or less up to 16 branches are possible for unit to unit cabling no branching is allowed after branching max number of outdoor units connectable 10 or less never connect the power supply to unit to unit cabling terminal block otherwise the entire system may break down 174
- Refrigerant piping sius39 504 174
- Be sure to let the power line and the transmission line pass through a conduit hole 175
- Note for low noise operation it is necessary to get the optional external control adaptor for outdoor unit for details see the installation manual attached to the adaptor 175
- Performing cool heat setting with the cool heat selector connect the cool heat selector remote controller optional to the a b c terminals and set the cool heat selector switch ds1 on the outdoor unit pc board a1p to out d unit 175
- Performing cool heat setting with the remote controller connected to the indoor unit keep the cool heat selector switch ds1 on the outdoor unit pc board a1p at the factory setting position in d unit 175
- Pick the power line from the upper hole on the front position of the main unit 175
- Picking power line and transmission line 175
- Setting the cool heat operation heat pump unit only 175
- Before operation 177
- Checks before initial start up 177
- Test run 177
- During the operation monitor the outdoor unit operation status and check for any incorrect wiring 178
- If the system is started within about 12 minutes after the outdoor indoor units are turned on the compressor will not run and h2p lights up before starting an operation always verify that the led display shows the contents of the table in 8 2 test run 2 178
- The check operation does not provide any means of checking the indoor units individually for that purpose perform normal operation using the remote controller after the check operation 178
- The system may require up to 10 minutes until it can start the compressor after an operation start this is a normal operation to equalize the refrigerant distribution 178
- After the test run is over operate the unit normally heating is not possible if the outdoor temperature is 75 f or higher 179
- After the test run when handing the unit over to the customer make sure the electric box lid the service lid and the unit casing are all attached 179
- Before running a check on the unit changing the indoor remote controller settings might cause the error code uf to be displayed and prevent a proper check to be run 179
- Check to see if cold or hot air is coming out of the indoor unit 179
- If the system has not undergone any check operation by the test operation button since it was first installed an error code u3 is displayed in this case perform check operation referring to 8 test run 179
- Make sure the indoor and outdoor units are operating normally if a knocking sound can be heard in the liquid compression of the compressor stop the unit immediately and then energize the heater for a sufficient length of time before restarting the operation 179
- Once stopping the compressor will not restart in about 5 minutes even if the run stop button of an indoor unit in the same system is pressed 179
- Press the fan direction and fan strength buttons on the indoor unit to see if they operate properly 179
- Remote controller displays an error 179
- Run each indoor unit one at a time and make sure the corresponding outdoor unit is also running 179
- Temperature adjustment operation confirmation 179
- The check run cannot be performed in recovery or other modes 179
- When the system operation is stopped by the remote controller the outdoor units may continue operating for further 5 minutes at maximum 179
- Caution for refrigerant leaks 180
- Applicable model rxyq96mtju rxyq192mtju 183
- Optimum operation 94 7 following symptoms are not air conditioner troubles 95 183
- Part 3 operation manual outdoor unit 183
- Part 3 part 3 part 3 part 3 operation manual operation manual operation manual operation manual outdoor unit outdoor unit outdoor unit outdoor unit 183
- Safety considerations 79 2 what to do before operation 82 3 remote controller and changeover switch name and function of each switch and display 83 4 operation range 85 5 operation procedure 86 183
- Trouble shooting 98 183
- Safety considerations 185
- Names and functions of parts 188
- This operation manual is for the following systems with standard control before initiating operation contact your daikin dealer for the operation that corresponds to your system type and mark if your installation has a customized control system ask your daikin dealer for the operation that corresponds to your system outdoor units 188
- What to do before operation 188
- Remote controller and changeover switch name and function of each switch and display 189
- Operation range 191
- To avoid condensation and water dripping out the unit if the temperature or the humidity is beyond these conditions safety devices may work and the air conditioner may not operate 191
- Use the system in the following temperature and humidity ranges for safe and effective operation 191
- Cooling heating and fan only operation 192
- Operation procedure 192
- Cooling operation 193
- Fan only operation 193
- Heating operation 193
- Program dry operation 194
- Adjusting the air flow direction 195
- And desired position 196
- Automatic 196
- Avoid operating in the horizontal direction 196
- For the following conditions a micro computer controls the air flow direction which may be different from the display 196
- It may cause dew or dust to settle on the ceiling 196
- Movement of the air flow flap 196
- The air flow direction can be adjusted in one of the following ways 196
- The air flow direction can be fixed by the user 196
- The air flow flap itself adjusts its position 196
- The movable limit of the flap is changeable contact your daikin dealer for details 196
- Programming start and stop of the system with timer 197
- Setting the master remote controller 198
- Precautions for group control system or two remote controller control system 199
- Optimum operation 200
- Cool heat cannot be changed over 201
- Fan operation is possible but cooling and heating do not work 201
- Following symptoms are not air conditioner troubles 201
- The fan direction does not correspond to the setting 201
- The fan strength does not correspond to the setting 201
- The system does not operate 201
- Dust comes out of the unit 202
- Noise of air conditioners 202
- The outdoor unit fan does not spin 202
- The units can give off odours 202
- White mist comes out of a unit 202
- Trouble shooting 204
- Check if direct sunlight enters the room use curtains or blinds 205
- Check if the air flow angle is not proper 205
- Check if the heat source of the room is excessive 205
- Part 4 precautions for new refrigerant r 410a 207
- About refrigerant r 410a 208
- Characteristics of new refrigerant r 410a 1 performance almost the same performance as r 22 and r 407c 2 pressure working pressure is approx 1 times more than r 22 and r 407c 3 refrigerant composition few problems in composition control since it is a quasi azeotropic mixture refrigerant 208
- Non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points 208
- Outline 208
- Precautions for new refrigerant r 410a 208
- Quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 208
- The design pressure is different at each product please refer to the installation manual for each product reference 1 mpa 145 psi 208
- As for the charge mouthpiece and packing 1 2unf20 is necessary for mouthpiece size of charge hose 209
- R 410a is used under higher working pressure compared to previous refrigerants r 22 r 407c furthermore the refrigerating machine oil has been changed from suniso oil to ether oil and if oil mixing is occurred sludge results in the refrigerants and causes other problems therefore gauge manifolds and charge hoses that are used with a previous refrigerant r 22 r 407c can not be used for products that use new refrigerants be sure to use dedicated tools and devices 209
- Service tools 209
- Tool compatibility 209
- Conventional flaring tools can be used when the work process is changed change of work process previously a pipe extension margin of 0 to 0 mm was provided for flaring for r 410a air conditioners perform pipe flaring with a pipe extension margin of 1 to 1 mm for clutch type only conventional tool with pipe extension margin adjustment can be used 210
- Differences 2 change of dimension a 210
- Flaring tool 210
- Specifications 2 dimension a 210
- Unit mm 210
- Index index index index 215
- Symbols 215
- Drawings flow charts 217
- Drawings flow charts drawings flow charts drawings flow charts drawings flow charts 217
- Symbols 217
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