![Daikin RXYTQ48TYF [42/72] Troubleshooting](/img/pdf.png)
Daikin RXYTQ48TYF [42/72] Troubleshooting
![Daikin RXYTQ48TYF [42/72] Troubleshooting](/views2/1791242/page42/bg2a.png)
10 Troubleshooting
Installer and user reference guide
42
RXYTQ8~16T7YF
VRV IV system air conditioner
4P388989-1B – 2016.02
Main code Sub code Cause Solution
Master Slave 1 Slave 2
Discharge temperature too high
(R21T/R22T):
▪ Stop valve closed
▪ Refrigerant shortage
▪ Open stop valves.
▪ Check refrigerant amount+recharge
unit.
Compressor casing temperature too
high (R8T):
▪ Stop valve closed
▪ Refrigerant shortage
▪ Open stop valves.
▪ Check refrigerant amount+recharge
unit.
▪ Refrigerant overcharge
▪ Stop valve closed
▪ Check refrigerant amount+recharge
unit.
▪ Open stop valves.
Ambient temperature sensor
malfunction (R1T) - A1P (X18A)
Check connection on PCB or actuator.
Discharge temperature sensor
malfunction (R21T): open circuit - A1P
(X29A)
Check connection on PCB or actuator.
Discharge temperature sensor
malfunction (R21T): short circuit - A1P
(X29A)
Check connection on PCB or actuator.
Discharge temperature sensor
malfunction (R22T): open circuit - A1P
(X29A)
Check connection on PCB or actuator.
Discharge temperature sensor
malfunction (R22T): short circuit - A1P
(X29A)
Check connection on PCB or actuator.
Compressor casing temperature
sensor malfunction (R8T): open circuit
- A1P (X29A)
Check connection on PCB or actuator.
Compressor casing temperature
sensor malfunction (R8T): short circuit
- A1P (X29A)
Check connection on PCB or actuator.
Suction temperature sensor
malfunction (R3T) - A1P (X30A)
Check connection on PCB or actuator.
De-icing temperature sensor
malfunction (R7T) - A1P (X30A)
Check connection on PCB or actuator
Liquid temperature sensor (after
subcool HE) malfunction (R5T) - A1P
(X30A)
Check connection on PCB or actuator.
Liquid temperature sensor (coil)
malfunction (R4T) - A1P (X30A)
Check connection on PCB or actuator.
Gas temperature sensor (after subcool
HE) malfunction (R6T) - A1P (X30A)
Check connection on PCB or actuator.
High pressure sensor malfunction
(S1NPH): open circuit - A1P (X32A)
Check connection on PCB or actuator.
High pressure sensor malfunction
(S1NPH): short circuit - A1P (X32A)
Check connection on PCB or actuator.
Low pressure sensor malfunction
(S1NPL): open circuit - A1P (X31A)
Check connection on PCB or actuator.
Low pressure sensor malfunction
(S1NPL): short circuit - A1P (X31A)
Check connection on PCB or actuator.
Содержание
- Installer and user 1
- Reference guide 1
- Vrv iv system air conditioner 1
- About the box 7 2
- About the documentation 6 2
- About the units and options 8 2
- Commissioning 38 2
- Configuration 31 2
- For the installer 7 2
- General safety precautions 3 2
- Installation 16 2
- Installer and user reference guide 2
- Maintenance and service 40 2
- Preparation 9 2
- Table of contents 2
- Troubleshooting 41 2
- About the documentation 3
- About the system 61 3
- Before operation 61 3
- Caution 3
- Danger 3
- Danger risk of burning 3
- Danger risk of electrocution 3
- Disposal 44 3
- Disposal 69 3
- Energy saving and optimum operation 64 3
- For the user 61 3
- General safety precautions 3
- Glossary 69 3
- Indicates a situation that could result in burning because of extreme hot or cold temperatures 3
- Indicates a situation that could result in death or serious injury 3
- Indicates a situation that could result in electrocution 3
- Indicates a situation that could result in equipment or property damage 3
- Indicates a situation that could result in minor or moderate injury 3
- Indicates a situation that results in death or serious injury 3
- Installation manual and the installer reference guide must be performed by an authorized installer 3
- Languages are translations 3
- Maintenance and service 65 3
- Meaning of warnings and symbols 3
- Notice 3
- Operation 61 3
- Relocation 69 3
- Technical data 45 3
- The installation of the system and all activities described in the 3
- The original documentation is written in english all other 3
- The precautions described in this document cover very important 3
- Topics follow them carefully 3
- Troubleshooting 67 3
- User interface 61 3
- Warning 3
- Warning flammable material 3
- For the installer 4
- For the user 4
- General 4
- General safety precautions 4
- Installation site 4
- General safety precautions 5
- Refrigerant 5
- About the documentation 6
- About this document 6
- Electrical 6
- 16 hp 8 hp 7
- A forklift can only be used for transport as long as the unit remains 7
- About the box 7
- After filling in this table please put it on the switch box cover 7
- And manuals product information 7
- As shown in the figure below always use protectors to prevent belt damage and pay attention to the position of the unit s centre of gravity 7
- At delivery the unit must be checked for damage any damage 7
- Be sure to fill out the blanks which are needed for after sale services 7
- Bring the packed unit as close as possible to its final installation 7
- Brought in 7
- Calculation of additional refrigerant charging amount 7
- Choose on beforehand the path along which the unit is to be 7
- Detailed step by step instructions and background information 7
- For basic and advanced usage 7
- For details concerning piping selection and calculation or how to operate the leak detection function please refer to the installation manual 7
- For the installer 7
- Format digital files on http www daikineurope com support 7
- Fragile handle the unit with care 7
- Hp 10 16 hp 7
- Installer and user reference guide 7
- It contains information about 7
- Keep the following in mind 7
- Keep the unit upright in order to avoid compressor damage 7
- Latest revisions of the supplied documentation may be available on the regional daikin website or via your dealer 7
- Lift the unit preferably with a crane and 2 belts of at least 8 m long 7
- Make sure that all accessories are available in the unit 7
- Must be reported immediately to the carrier s claims agent 7
- Notice 7
- On its pallet as shown above 7
- Overview about the box 7
- Position to prevent damage during transport 7
- Preparation of the installation technical specifications 7
- Record for settings contents see installation manual 7
- Record of additional refrigerant charge amount and result of leak check operation 7
- Record of indoor unit model and installation site 7
- Reference data 7
- Relief the unit from its packing material 7
- Remove the 4 bolts fixing the unit to its pallet 7
- Removing the accessories from the unit 7
- Removing the transportation stay 7
- Take care not to damage the unit when removing the shrink foil 7
- Tear apart and throw away plastic packaging bags so that nobody especially children can play with them possible risk suffocation 7
- The original documentation is written in english all other languages are translations 7
- This chapter describes what you have to do after the box with the outdoor unit is delivered on site 7
- To remove the accessories from the outdoor unit 7
- To unpack the outdoor unit 7
- Unpacking and handling the outdoor unit 7
- Use a belt sling of 20 mm wide that adequately bears the weight of the unit 7
- Warning 7
- When handling the unit take into account the following 7
- With a cutter 7
- 16 hp 8 hp 8
- About the outdoor unit 8
- About the units and options 8
- Accessory pipes diameters 8
- Id øa 8
- Id øb 8
- Identification label outdoor unit 8
- Od øb 8
- Overview about the units and options 8
- System layout 8
- To remove the transportation stay 8
- About combining units and options 9
- Combining units and options 9
- Installation site requirements of the outdoor unit 9
- Overview preparation 9
- Possible combinations of indoor units 9
- Possible options for the outdoor unit 9
- Preparation 9
- Preparing installation site 9
- Additional installation site requirements of the outdoor unit in cold climates 10
- C b e mm 10
- Preparation 10
- About safety against refrigerant leaks 11
- About the maximum concentration level 11
- Preparation 11
- Securing safety against refrigerant leaks 11
- To check the maximum concentration level 11
- A b b b c 12
- A b c piping between outdoor unit and first refrigerant branch kit 12
- D piping between refrigerant branch kits 12
- Preparation 12
- Preparing refrigerant piping 12
- Refrigerant piping requirements 12
- To select the piping size 12
- A e b c 13
- E piping between refrigerant branch kit and indoor unit 13
- Preparation 13
- To select refrigerant branch kits 13
- A b c d e f g h i j k l m n p 1000 m 14
- A b c d e f g h i j k l m n p 500 m 14
- About the piping length 14
- Actual piping length 14
- Actual piping length pipe length between outdoo 14
- And indoor units 14
- Between outdoor and indoor units single installation multi 14
- Branch with refnet header 14
- Branch with refnet joint 14
- Branch with refnet joint and refnet header 14
- Combinations 14
- Definitions 14
- Equivalent length 13 m 14
- Equivalent length 190 m 160 m 14
- Equivalent piping lengt 14
- Example 1 14
- Example 2 14
- Example 3 14
- Example description 14
- For system only containing vrv dx indoor units 14
- H1 difference in height between outdoor and indoor units 14
- H2 difference in height between indoor and indoor units 14
- H3 difference in height between outdoor and outdoor units 14
- M 135 m 14
- M 500 m 14
- Make sure to perform the piping installation within the range of the maximum allowable pipe length allowable level difference and allowable length after branching as indicated below 14
- Maximum allowable length 14
- Multi outdoor 14
- Pipe length between outdoo 14
- Piping length vrv dx only 14
- Preparation 14
- R s t 10 m u 5 m 14
- Single outdoor 14
- System setup 14
- Term definition 14
- To all indoor units 14
- Total piping length 14
- Total piping length total piping length from the outdoo 14
- Unit 6 a b h 165 m 14
- Unit 8 a b c d e f g p 135 m 14
- Unit 8 a b c d e f g p 165 m 14
- Unit 8 a i 165 m 14
- Unit 8 a i k 165 m 14
- With standard multi layout 14
- Multiple outdoor units possible layouts 15
- Preparation 15
- A b b b 16
- Installation 16
- Overview installation 16
- Preparing electrical wiring 16
- Safety device requirements 16
- Installation 17
- Mounting the outdoor unit 17
- Opening the units 17
- About connecting the refrigerant piping 18
- Connecting the refrigerant piping 18
- Installation 18
- Precautions when connecting refrigerant piping 18
- To connect the refrigerant piping to the outdoor unit 18
- To route the refrigerant piping 18
- Installation 19
- Multiple outdoor units knockout holes 19
- To connect the multi connection piping kit 19
- To connect the refrigerant branching kit 19
- To protect against contamination 19
- A b c d e 20
- Installation 20
- To braze the pipe end 20
- To close the stop valve 20
- To handle the stop valve 20
- To handle the stop valve cover 20
- To open the stop valve 20
- Using the stop valve and service port 20
- About checking the refrigerant piping 21
- Checking the refrigerant piping 21
- Installation 21
- Tightening torques 21
- To handle the service port 21
- To remove the pinched pipes 21
- Checking refrigerant piping general guidelines 22
- Checking refrigerant piping setup 22
- Installation 22
- To check for leaks pressure leak test 22
- To check for leaks vacuum leak test 22
- To perform a leak test 22
- Charging refrigerant 23
- Installation 23
- Precautions when charging refrigerant 23
- To insulate the refrigerant piping 23
- To perform vacuum drying 23
- About charging refrigerant 24
- Installation 24
- To charge refrigerant flow chart 24
- To determine the additional refrigerant amount 24
- Charging refrigerant 25
- Installation 25
- Pre charging refrigerant 25
- Installation 26
- Step 6 to manually charge refrigerant 26
- To charge refrigerant 26
- Checks after charging refrigerant 27
- Connecting the electrical wiring 27
- Error codes when charging refrigerant 27
- Installation 27
- Precautions when connecting electrical wiring 27
- A b c d 28
- About the electrical wiring 28
- After knocking out the holes we recommend removing any burrs 28
- And paint the edges and areas around the holes using repair paint to prevent rusting 28
- Apart from each other transmission wiring and power supply wiring may cross but may not run parallel 28
- As to prevent the lid or other parts from coming loose 28
- B g g h h 28
- Be sure to follow the limits below if the unit to unit cables are 28
- Be sure to keep the power line and transmission line 28
- Beyond these limits it may result in malfunction of transmission 28
- Branching is allowed after branching see figure below 28
- Example 28
- F f f h 28
- Field piping can be routed from front or bottom of the unit going left or right refer to 6 to route the refrigerant piping on page 18 28
- Field wiring consists of power supply always including earth and indoor outdoor communication transmission wiring 28
- Field wiring overview 28
- Firmly close the lid and arrange the electrical wires so 28
- For the above wiring always use vinyl cords with 0 5 to 1 5 m 28
- Guidelines when knocking out knockout holes 28
- If there exists the possibility of reversed phase after a momentary black out and the power goes on and off while the product is operating attach a reversed phase protection circuit locally running the product in reversed phase can break the compressor and other parts 28
- Installation 28
- It is important to keep the power supply and the transmission wiring separated from each other in order to avoid any electrical interference the distance between both wiring should always be at least 25 mm 28
- Maximum inter unit wiring length between outdoor units 30 m 28
- Maximum number of branches 16 28
- Maximum number of independent interconnectable systems 10 28
- Maximum wiring length 1000 m 28
- Notice 28
- Only applicable if the power supply is three phase and the compressor has an on off starting method 28
- Prevent damage to the wires by wrapping the wiring with protective tape putting the wires through field supplied protective wire conduits at that location or install suitable field supplied wire nipples or rubber bushings into the knockout holes 28
- Sheath or cables 2 core wires 3 core wire cables are allowable for the cooler heater changeover user interface only 28
- The transmission wiring outside the unit should be wrapped and routed together with the field piping 28
- To punch a knockout hole hit on it with a hammer 28
- To route and fix the transmission wiring 28
- Total wiring length 2000 m 28
- Touch internal piping except the inverter pcb cooling pipe in order to avoid wire damage due to high temperature piping 28
- Transmission wiring and power supply wiring may not 28
- Transmission wiring can be routed through the front side only fix it to the upper mounting hole 28
- Transmission wiring to cool heat selector 500 m 28
- Up to 16 branches are possible for unit to unit cabling no 28
- When passing electrical wiring through the knockout holes 28
- A b a b 29
- A b c d e 29
- D d e f 29
- Hp 10 16 hp 29
- Installation 29
- To connect the transmission wiring 29
- To finish the transmission wiring 29
- A b c d 30
- Hp 10 16 hp 30
- Installation 30
- J k h i 30
- To connect the power supply 30
- To route and fix the power supply 30
- About making field settings 31
- Configuration 31
- Field setting components 31
- Making field settings 31
- Overview configuration 31
- To access the field setting components 31
- Configuration 32
- To access mode 1 or 2 32
- To use mode 1 32
- To use mode 2 32
- Configuration 33
- Mode 1 monitoring settings 33
- Configuration 34
- Mode 2 field settings 34
- Configuration 35
- Available comfort settings 36
- Available main operation methods 36
- Configuration 36
- Energy saving and optimum operation 36
- To connect the pc configurator to the outdoor unit 36
- Configuration 37
- Example automatic mode during cooling 37
- Commissioning 38
- Example automatic mode during heating 38
- Overview commissioning 38
- Precautions when commissioning 38
- About test run 39
- Checklist before commissioning 39
- Commissioning 39
- To perform a test run 39
- Correcting after abnormal completion of the test run 40
- Maintenance and service 40
- Maintenance safety precautions 40
- Operating the unit 40
- Overview maintenance and service 40
- To prevent electrical hazards 40
- About service mode operation 41
- Error codes overview 41
- Overview troubleshooting 41
- Solving problems based on error codes 41
- To recover refrigerant 41
- To use vacuum mode 41
- Troubleshooting 41
- Troubleshooting 42
- Troubleshooting 43
- Disposal 44
- Capacity table 45
- Components 45
- Dimensions 45
- Dimensions outdoor unit 45
- Latest information can be found in the technical engineering data 45
- Overview technical data 45
- Piping diagram 45
- Service space 45
- Technical data 45
- Technical specifications 45
- This chapter contains information about 45
- Wiring diagram 45
- Service space outdoor unit 46
- Technical data 46
- Components outdoor unit 47
- Components rxytq8 47
- Technical data 47
- Components rxytq10 12 48
- Technical data 48
- Components rxytq14 16 49
- Technical data 49
- A b c d 50
- Components electrical component box 50
- For more details refer to the wiring diagram of the units the wiring diagram is located on the inside of the electrical component box 50
- Information 50
- Technical data 50
- Piping diagram outdoor unit 51
- Piping diagram rxytq10 12 51
- Piping diagram rxytq14 16 51
- Piping diagram rxytq8 51
- Technical data 51
- A1p printed circuit board main 52
- A2p printed circuit board noise filter 52
- A3p printed circuit board inv 52
- A4p printed circuit board fan 52
- Bs1 bs3 push button switch a1p mode set return 52
- C32 c66 capacitor a3p 52
- Cool heat selector 52
- D095651 1 52
- Information 52
- Q1di f3u 52
- Rear side front side 52
- Refer to the wiring diagram sticker on the unit the abbreviations used are listed below 52
- Rxytq8 52
- S1nph ps 52
- Technical data 52
- The wiring diagram on the outdoor unit is only for the outdoor unit for the indoor unit or optional electrical components refer to the wiring diagram of the indoor unit 52
- To outdoor unit to indoor unit 52
- Wiring diagram outdoor unit 52
- Technical data 53
- Technical data 54
- Technical data 55
- A1p printed circuit board main 56
- A2p a5p printed circuit board noise filter 56
- A3p a6p printed circuit board inv 56
- A4p a7p printed circuit board fan 56
- Bs1 bs3 push button switch a1p mode set return 56
- C32 c66 capacitor a3p a6p 56
- Cool heat selector optional accessory note 3 56
- D095653 1 56
- Ds1 ds2 dip switch a1p 56
- E1hc e2hc crankcase heater 56
- F101u fuse a4p a7p 56
- F1u f2u fuse 250 v 3 15 a t a1p 56
- F3u field fuse 56
- F400u fuse a2p a5p 56
- F410u f412u fuse a2p a5p 56
- Field wiring 56
- Hap pilot lamp a1p service monitor green 56
- K11r magnetic relay y1s a1p 56
- K1m magnetic contactor a3p a6p 56
- K1r magnetic relay a3p a6p 56
- K3r magnetic relay a2p a5p 56
- K3r magnetic relay y4s a1p 56
- K4r magnetic relay y2s a1p 56
- K5r magnetic relay y3s a1p 56
- K6r magnetic relay a1p 56
- K7r magnetic relay e1hc a1p 56
- K8r magnetic relay e2hc a1p 56
- L1r l2r reactor 56
- Layout of m1c m2c m1f m2f electrical component box 56
- M1c m2c motor compressor 56
- M1f m2f motor fan 56
- N 380 415 v 50 hz 56
- N 400 v 60 hz 56
- Outdoor indoor 56
- Power supply 56
- Ps switching power supply a1p a3p a6p 56
- Q1di f3u 56
- Q1di field earth leakage breaker 56
- Q1rp phase reversal detection circuit a1p 56
- R1t thermistor air a1p 56
- R2 r3 resistor current limiting a3p a6p 56
- R21t r22t thermistor m1c m2c discharge 56
- R24 resistor current sensor a4p a7p 56
- R3t thermistor accumulator 56
- R4t thermistor heat exc liq pipe 56
- R5t thermistor subcool liq pipe 56
- R6t thermistor heat exc gas pipe 56
- R77 resistor current sensor a3p a6p 56
- R78 resistor current limiting a3p a6p 56
- R7t thermistor heat exc de icer 56
- Rxytq14 16 56
- S1nph pressure sensor high 56
- S1npl pressure sensor low 56
- S1ph s2ph pressure switch discharge 56
- Seg1 seg3 7 segment display a1p 56
- T t t t t t t 56
- T1a current sensor 56
- Technical data 56
- Terminal block 56
- V1r power module a3p a6p 56
- V1r power module a4p a7p 56
- X12a x10a x15a 56
- X1a x1m 56
- X1a x4a connector m1f m2f 56
- X1m terminal block control a1p 56
- X1m terminal block power supply 56
- X29a x30a 56
- X5a x6a connector 56
- X61a x1a 56
- X7a x8a x9a 56
- Y1e electronic expansion valve main 56
- Y1s solenoid valve main 56
- Y2e electronic expansion valve injection 56
- Y2s solenoid valve accumulator oil return 56
- Y3s solenoid valve oil 1 56
- Y4s solenoid valve oil 2 56
- Z1c z7c noise filter ferrite core 56
- Z1f noise filter a2p a5p with surge absorber 56
- Technical data 57
- Technical data 58
- Technical specifications outdoor unit 58
- Technical data 59
- Capacity table indoor unit 60
- Technical data 60
- About the system 61
- Before operation 61
- For the user 61
- Operation 61
- Operation range 61
- System layout 61
- User interface 61
- Operating the system 62
- Operation 62
- About the air flow flap 63
- About the dry program 63
- Adjusting the air flow direction 63
- Operation 63
- To use the dry program with cool heat changeover remote control switch 63
- To use the dry program without cool heat changeover remote control switch 63
- Using the dry program 63
- About control systems 64
- About setting the master user interface 64
- Available main operation methods 64
- Energy saving and optimum operation 64
- Setting the master user interface 64
- To designate the master user interface vrv dx 64
- About the refrigerant 65
- Available comfort settings 65
- Maintenance after a long stop period 65
- Maintenance and service 65
- Maintenance before a long stop period 65
- After sales service and warranty 66
- Maintenance and service 66
- Recommended maintenance and inspection 66
- Recommended maintenance and inspection cycles 66
- Shortened maintenance and replacement cycles 66
- Warranty period 66
- Error codes overview 67
- Troubleshooting 67
- Symptom cool heat cannot be changed over 68
- Symptom fan operation is possible but cooling and heating do not work 68
- Symptom the fan direction does not correspond to the setting 68
- Symptom the fan strength does not correspond to the setting 68
- Symptom the system does not operate 68
- Symptom white mist comes out of a unit indoor unit 68
- Symptoms that are not air conditioner troubles 68
- Troubleshooting 68
- 0 symptom noise of air conditioners 69
- 1 symptom noise of air conditioners 69
- 2 symptom dust comes out of the unit 69
- 3 symptom the units can give off odours 69
- 4 symptom the outdoor unit fan does not 69
- 5 symptom the display shows 88 69
- 6 symptom the compressor in the outdoor 69
- 7 symptom the inside of an outdoor unit is 69
- 8 symptom hot air can be felt when the 69
- Disposal 69
- Glossary 69
- Indoor unit is stopped 69
- Indoor unit outdoor unit 69
- Outdoor unit 69
- Relocation 69
- Symptom noise of air conditioners indoor unit 69
- Symptom the user interface display reads u4 or u5 and stops but then restarts after a few minutes 69
- Symptom white mist comes out of a unit indoor unit outdoor unit 69
- Unit does not stop after a short heating operation 69
- Warm even when the unit has stopped 69
- Glossary 70
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