Page 1 Service manual Split Perfera ZETA R32 RXM20~71A RXM25~50A9 ARXM25~71A ARXM35+50A9 FTXM20~71A ATXM20~50A CTXM15A...
Page 2 The present publication is drawn up by way of information only and does not constitute an offer binding upon Daikin Europe N.V.. Daikin Europe N.V. has compiled the content of this publication to the best of its knowledge. No express or implied warranty is given for the completeness, accuracy, reliability or fitness for particular purpose of its content and the products and services presented therein.
Page 3: Version Log
• Outdoor unit models RXM25+35A9, ARXM35A9, RXM50A9, ARXM50A9, RXM60+71A and ARXM60+71A added. • Indoor unit models FTXM60A and FTXM71A added. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 4: Table Of Contents
Operation stops, unit cannot start for a while....................3.6.10 Indoor unit discharges white mist......................... 3.6.11 Humidifying problem ............................. 3.6.12 Swing flap does not operate.......................... Service manual RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 5 Checking procedures ............................. 213 5.2.2 Repair procedures ............................218 External factors................................222 5.3.1 Checking procedures ............................. 222 6 Maintenance RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 6 Service tools ................................... 266 Field settings................................... 267 7.7.1 Field settings: Indoor unit..........................267 7.7.2 Field settings: Outdoor unit........................... 269 Service manual RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 7: Safety Precautions
Indicates a situation that could result in minor or moderate injury. NOTICE Indicates a situation that could result in equipment or property damage. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 8: Dangers
WARNING Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. ONLY use accessories, optional equipment and spare parts made or approved by Daikin unless otherwise specified. WARNING...
Page 9 WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation). WARNING Make sure the work site environment is clean and safe to work in. Beware of spilled fluids, like water, oil or other substances.
Page 10 In case of R32 (HFC) refrigerant, any flame in contact with (leaking) refrigerant is extremely dangerous. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 11 ▪ Make sure all covers are closed before starting up the unit. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 12 All maintenance staff and others working in the local area MUST be instructed on the nature of work being carried out. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 13 When oil is drained from a system, it MUST be carried out safely. WARNING Make sure the ventilation machinery and outlets are operating adequately and are NOT obstructed. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 14: Cautions
Europe, EN378 is the applicable standard. NOTICE Make sure the field piping and connections are NOT subjected to stress. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 15: General Operation
Some of the indoor unit models CAN be used as Multi application as well. For further general operation, please consult Multi Split service manual. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 16: Troubleshooting
3.4.1 To perform a test run using the wireless remote control 1 Press to switch the system on. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 17: Error Based Troubleshooting
INFORMATION If all procedures listed above have been performed and the problem is still present, contact the helpdesk. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 18: A5-00 - Outdoor Unit: High Pressure Peak Cut / Freeze Protection Problem
NOT outdoor unit. detected while the output voltage to the fan is at its maximum. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 19: Streamer Unit Abnormality
To solve the error code INFORMATION It is recommended to perform the checks in the listed order. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 20: C9-00 - Room Thermistor Abnormality
It is recommended to perform the checks in the listed order. 1 Perform a check of the main PCB. See "4.11 Main PCB" [ 128]. Possible cause: Faulty main PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 21: E3-00 - Outdoor Unit: Actuation Of High Pressure Switch
300 minutes. To solve the error code INFORMATION It is recommended to perform the checks in the listed order. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 22: E5-00 - Outdoor Unit: Overheat Of Inverter Compressor Motor
1 Check that all stop valves of the refrigerant circuit are open. See "5.2 Refrigerant circuit" [ 213]. Possible cause: Closed stop valve in the refrigerant circuit. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 23: E6-00 - Outdoor Unit: Compressor Startup Defect
It is recommended to perform the checks in the listed order. 1 Perform check discharge pipe thermistor. "4.18 Thermistors" [ 200]. Possible cause: Faulty discharge pipe thermistor or connector fault. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 24: E7-00 - Outdoor Unit: Malfunction Of Outdoor Unit Fan Motor
Possible cause: Faulty outdoor unit fan motor. 2 Perform a check of the main PCB. See "4.11 Main PCB" [ 128]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 25: E8-00 - Outdoor Unit: Power Input Overvoltage
Reset PCB detects expansion Unit will stop operating. Power reset via outdoor valve coil overcurrent or unit. disconnection. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 26: Outdoor Unit: Cool/Heat Switchover Problem
4 Perform a check of the indoor unit main PCB. See "4.8 Indoor unit main PCB" [ 108]. Possible cause: Faulty indoor unit main PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 27: F3-00 - Outdoor Unit: Malfunction Of Discharge Pipe Temperature
Possible cause: Faulty 4‑way valve. 6 Perform a check of the expansion valve. See "4.4 Expansion valve" [ 88]. Possible cause: Faulty expansion valve. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 28: F6-00 - Outdoor Unit: Abnormal High Pressure In Cooling
9 Perform a check of the outdoor unit fan motor. See "4.12 Outdoor unit fan motor" [ 150]. Possible cause: Faulty outdoor unit fan motor. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 29: F8-00 - System Shutdown Due To Compressor Internal Temperature Abnormality
It is recommended to perform the checks in the listed order. 1 Perform a check of the main PCB. See "4.11 Main PCB" [ 128]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 30: H3-00 - Outdoor Unit: Malfunction Of High Pressure Switch
▪ Faulty or disturbance of the power supply (power supply MUST be within range of nominal operating voltage ±4%), ▪ Power drop, ▪ Short circuit. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 31: H6-00 - Outdoor Unit: Malfunction Of Position Detection Sensor
INFORMATION If all procedures listed above have been performed and the problem is still present, contact the helpdesk. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 32: H7-00 - Fan Ipm Temperature Error
If the error re-occurs too Manual reset via user the input current. soon: unit will stop interface. operating. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 33: H9-00 - Outdoor Unit: Malfunction Of Outdoor Air Thermistor
To solve the error code INFORMATION It is recommended to perform the checks in the listed order. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 34: J6-00 - Outdoor Unit: Malfunction Of Heat Exchanger Thermistor
2 Perform a check of the outdoor unit fan motor. See "4.12 Outdoor unit fan motor" [ 150]. Possible cause: Faulty outdoor unit fan motor. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 35: L4-00 - Outdoor Unit: Malfunction Of Inverter Radiating Fin Temperature Rise
5 Check that the thermal interface grease is applied properly on the (PCB or refrigerant piping) contact surface of the heat sink. Adjust if needed. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 36: L5-00 - Outdoor Unit: Inverter Instantaneous Overcurrent
Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. 8 Wait until the rectifier voltage is below 10 V DC. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 37: Igbt Temperature Error
Adjust if needed. Possible cause: Thermal interface grease NOT applied properly on the heat sink. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 38: P4-00 - Outdoor Unit: Malfunction Of Radiating Fin Temperature Sensor
Possible cause: Clogged refrigerant circuit. 4 Check if the refrigerant circuit is correctly charged. See "5.2 Refrigerant circuit" [ 213]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 39: U2-00 - Outdoor Unit: Defect Of Power Supply Voltage
4 Perform a check of the main PCB. See "4.11 Main PCB" [ 128]. Possible cause: Faulty main PCB. 5 Wait until the compressor restarts. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 40: U4-00 - Indoor/Outdoor Unit Communication Problem
6 Perform a check of the indoor unit power PCB. See "4.9 Indoor unit power PCB" [ 113]. Possible cause: Faulty indoor unit power PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 41: Indoor Unit, Outdoor Unit Mismatching Problem
5 Perform a check of the indoor unit power PCB. See "4.9 Indoor unit power PCB" [ 113]. Possible cause: Faulty indoor unit power PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 42: Malfunction Of System
INFORMATION If all procedures listed above have been performed and the problem is still present, contact the helpdesk. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 43: Symptom Based Troubleshooting
A power failure of 2 to 10 cycles stops air power failure. conditioner operation. Check the power supply. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 44: Operation Starts But The Unit Does Not Cool/Heat
Set the unit to cooling operation, and check expansion valve. the temperature of the liquid pipe to see if the electronic expansion valve works. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 45 Check the fan speed. It should be auto ot manual setting lower than HIGH for cold air preference. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 46: Operating Noise And Vibrations
▪ Is the fan in contact with other parts? If so separate the fan from the other parts. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 47: Abnormal High Pressure
Is the outdoor unit installed under such Visual inspection conditions that short circuit easily occurs? Is the piping length ≤5 m? Visual inspection RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 48: Abnormal Low Pressure
Further, the number is listed in the order of degree of influence. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 49 20°C and outdoor fan is working, the outdoor unit heat exchanger is possibly clogged. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 50: Indoor Fan Starts Operating But The Compressor Does Not Operate
LED on the service monitor blinking, then microprocessor is not working. Check the magnetic switch. Check the power transistor. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 51: Operation Starts And The Unit Stops Immediately
Check the refrigerant circuit. Soiled heat exchanger, obstruction in the refrigerant pipe. Check the airflow. Soiled air filter, obstruction, installation space. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 52: Operation Stops, Unit Cannot Start For A While
1000 rpm, the filter/heat exchanger is possibly clogged. Check indoor fan motor. See the chapter of component check in the manual. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 53: Humidifying Problem
Check indoor unit PCB Connector connection RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 54: Components
560 Ω ± 5% Class 50~71 units 1400 Ω ± 10% Is the measured value correct? Action Continue with the next step. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 55 See the databook on Business Portal for the temperature range of the operation modes. 1 Connect the 4‑way valve connector to the appropriate PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 56 (See "7.3 Piping diagram" [ 241]). Is the flow correct? Action Skip the next step of this procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 57 3 Connect a manifold to one of the service ports of the refrigerant circuit and check the pressure (suction, discharge). Compare with normal operation conditions of the unit. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 58: Repair Procedures
B Class 42 units a Screw b 4‑way valve coil c 4‑way valve body C Class 50~71 units RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 59 B Class 42 units a 4‑way valve pipe b 4‑way valve c Putty C Class 50~71 units a 4‑way valve pipe RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 60 4‑way valve and solder the 4‑way valve pipes to the refrigerant pipes. A Class 20~35 units B Class 42 units a 4‑way valve pipe b 4‑way valve c Putty RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 61 A Class 20~35 units B Class 42 units a Screw b 4‑way valve coil c 4‑way valve body RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 62: Compressor
"4.13 Plate work" [ 162]. 1 Open the compressor insulation. 2 Turn ON the power using the respective circuit breaker. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 63 4 Check that the compressor wire terminals cover is correctly installed and fixed. Correct as needed. 5 Check the compressor dampers for any damage. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 64 10 V DC before proceeding. 2 Remove the cover of the compressor wire terminals. a Compressor wire terminals cover RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 65 PCB. If no continuity, correct as needed, see "7.2 Wiring diagram" [ 230]. 6 Connect the Faston connectors to the compressor wire terminals U, V and W RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 66 Perform an insulation check of the compressor, see "4.2.1 Checking procedures" [ 62]. Preventively replace the compressor, "4.2.2 Repair procedures" [ 68]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 67 U Wire terminal U V Wire terminal V W Wire terminal W 4 Set the Megger voltage to 500 V DC or 1000 V DC. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 68: Repair Procedures
3 Remove the outer insulation jacket. 4 Open the inner insulation jacket. 5 Remove the inner top insulation. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 69 Wait for at least 10 minutes after the circuit breaker has been turned OFF, to be sure the rectifier voltage is below 10 V DC before proceeding. 2 Remove the cover of the compressor wire terminals. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 70 7 Remove the putty (if installed) from the compressor accumulator. Keep for reuse. 8 Supply nitrogen to the refrigerant circuit. The nitrogen pressure MUST NOT exceed 0.02 MPa. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 71 Compressor pipe A Class 42 unit a Compressor pipe A Class 50+60 units + ARXM71A a Compressor pipe RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 72 11 Remove the nuts and bolts and remove the compressor from the unit. A Class 20~35 unit a Nut b Compressor c Damper RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 73 It is ALSO possible to order and install new pipes on the spare part compressor. 15 To install the compressor, see "4.2.2 Repair procedures" [ 68]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 74 6 Install and tighten the bolts and nuts to fix the compressor to the dampers. A Class 20~35 unit a Nut b Compressor c Damper A Class 42~60 units + ARXM71A RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 75 A Class 20~35 unit a Compressor pipe RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 76 CAUTION Overheating the compressor pipes (and the oil inside the compressor pipes) will damage or destroy the compressor. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 77 18 Add refrigerant refrigerant circuit, "5.2.2 Repair procedures" [ 218]. Is the problem solved? Action No further actions required. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 78: Compressor Thermal Protector
6 Again measure the resistance between the pins 3‑4 of the connector X40A. Result: The contact MUST be closed (measured resistance = 0 Ω). RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 79 3 If in doubt, measure the temperature of the compressor thermal protection. Result: The temperature MUST be below 85°C. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 80 162]. Prerequisite: Remove the compressor insulation. 1 Remove the compressor thermal protection with bracket from the compressor. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 81: Repair Procedures
162]. Prerequisite: Remove the compressor insulation. 1 Remove the compressor thermal protector with bracket from the compressor housing. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 82 Prerequisite: Remove the required plate work, see "4.13 Plate work" [ 162]. Prerequisite: Remove the compressor insulation. 1 Remove the cover of the compressor wire terminals. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 83 68]. ARXM50A9 + RXM50A9 + ARXM60+71A + RXM60+71A Prerequisite: Stop the unit operation via the user interface. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 84 Compressor thermal protector b Bracket 6 To install compressor thermal protector, "4.2.2 Repair procedures" [ 68]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 85 ARXM50A + RXM42+50A units 1 Install the compressor thermal protector on the compressor thermal protector bracket. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 86 Compressor wire terminals cover 5 Install the compressor insulation. Is the problem solved? Action No further actions required. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 87 5 Install new tie straps to fix the high pressure switch wiring harness and the compressor thermal protector wiring harness. 6 Install the compressor insulation, see "4.2.2 Repair procedures" [ 68]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 88: Expansion Valve
Does the expansion valve open? Action Perform an electrical check of the expansion valve, see "4.4.1 Checking procedures" [ 88]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 89 ▪ Connector pin 2‑5, ▪ Connector pin 3‑5, ▪ Connector pin 4‑5. 1 2 3 4 5 a Connector RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 90 Check that the valve is NOT bleeding. Result: There MUST be NO flow through the expansion valve. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 91 No further actions required. Return to the troubleshooting of the specific error and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 92: Repair Procedures
4 Disconnect the expansion valve coil connector from the main PCB. 5 To install the expansion valve coil, see "4.4.2 Repair procedures" [ 92]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 93 B Class 50+60 units + ARXM71A a Putty b Expansion valve body c Expansion valve pipe C RXM71A units RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 94 Overheating the valve will damage or destroy it. 7 After soldering is done, stop the nitrogen supply after the component has cooled‑down. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 95 Expansion valve pipe INFORMATION The expansion valve and coil can have a different configuration / layout. 8 Reinstall the putty. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 96 The expansion valve coil is equipped with a pipe retention clip. Install the pipe retention clip over the pipe to lock the expansion valve coil. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 97: High Pressure Switch
2 Fill the refrigerant circuit with nitrogen until pressurized just below operating pressure of the high pressure switch. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 98 9 Lower the pressure of the nitrogen in the refrigerant circuit just below reset pressure of the high pressure switch. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 99: Repair Procedures
A RXM42A units B ARXM50A + RXM50A units a High pressure switch b Faston connector c High pressure switch pipe RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 100 A RXM42A units B ARXM50A + RXM50A units a High pressure switch b Faston connector RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 101: Indoor Unit Fan Motor
To perform a mechanical check of the DC fan motor assembly Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 102: Repair Procedures
2 Click the indoor unit fan motor cover out of the indoor unit. If needed, remove the screw (if installed) on the right hand side of the fan motor cover for easier removal. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 103 5 Click the indoor unit fan motor cover on the indoor unit. If removed, install and tighten the screw on the right hand side of the fan motor cover. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 104: Indoor Unit Heat Exchanger
Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Remove the required plate work, see "4.13 Plate work" [ 162]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 105: Repair Procedures
8 Remove the indoor unit fan motor, see "4.6.2 Repair procedures" [ 102]. 9 Remove the screws that fix the heat exchanger to the side plate. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 106 1 Install the indoor unit heat exchanger in the correct location on the indoor unit. 2 Install and tighten the screws to fix the heat exchanger to the side plate. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 107 10 Perform a pressure test on the piping of the indoor unit and vacuüm. Open the stop valves when done. 11 Add refrigerant refrigerant circuit, "5.2.2 Repair procedures" [ 218]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 108: Indoor Unit Main Pcb
PCB. Result: The measured voltage MUST be 324 V DC. A CTXM15A + ATXM20~50A + FTXM20~50A a Connector S300A RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 109 2 Enter the model name of your unit and check if the installed spare part number corresponds with the spare part number indicated in the webbank. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 110: Repair Procedures
2 Carefully pull the indoor unit main PCB from the PCB supports OR carefully click the indoor unit main PCB out of the PCB retainers. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 111 2 Properly install the indoor unit main PCB on the PCB supports OR make sure the PCB is correctly fixed by the PCB retainers. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 112 NOT apply force, as this may damage the connector or connector pins of the PCB. Is the problem solved? Action No further actions required. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 113: Indoor Unit Power Pcb
Result: The measured voltage MUST be 230 V AC. A CTXM15A + ATXM20~50A + FTXM20~50A a Black wire b White wire RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 114 1 Measure the voltage between the pins 1‑4 of the connector S102. Result: The measured voltage MUST be 324 VDC. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 115 2 Enter the model name of your unit and check if the installed spare part number corresponds with the spare part number indicated in the webbank. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 116 113]. 1 Measure the continuity of the fuse. If no continuity is measured, the fuse has blown. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 117: Repair Procedures
1 Correct the wiring from the indoor unit power supply terminal to the indoor unit power PCB, see "7.2 Wiring diagram" [ 230]. Is the problem solved? Action No further actions required. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 118 3 Remove the indoor unit power PCB from the indoor unit. 4 To install the indoor unit power PCB, see "4.9.2 Repair procedures" [ 117]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 119 NOT apply force, as this may damage the connector or connector pins of the PCB. Is the problem solved? Action No further actions required. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 120 Fuse F1U 2 To install a fuse on the indoor unit power PCB, see "4.9.2 Repair procedures" [ 117]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 121 No further actions required. Return to "4.8.1 Checking procedures" [ 108] of the indoor unit power PCB and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 122: Intelligent Eye Sensor
Clip b Eye sensor cover c Indication lamp assy d Harness retainer e Intelligent eye sensor PCB RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 123 S602. Result: The measured voltage MUST be: RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 124 Indication lamp assy d Harness retainer e Intelligent eye sensor PCB f Intelligent eye sensor connector CN RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 125: Repair Procedures
Carefully tilt the eye sensor cover assy to the side of the switch box (indication lamp and eye sensor are still connected). RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 126 A CTXM15A + ATXM20~50A + FTXM20~50A a Clip b Eye sensor cover c Indication lamp assy d Harness retainer RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 127 To install the intelligent eye sensor wiring harness 1 Connect the wiring harness connector to the indoor unit main PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 128: Main Pcb
PCB. Result: The measured voltage MUST be 230 V AC. a Faston connection for black wire RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 129 To check if the correct spare part is installed Prerequisite: First perform all earlier main PCB checks, see "Checking procedures" [ 128]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 130 128]. 1 Measure the continuity of the fuse. If no continuity is measured, the fuse has blown. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 131 When measuring on the front of the main PCB, make sure to locally remove the protective varnish with the test leads of the multi meter. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 132 0.51~0.52 V 0.51~0.52 V 4 If the diode module is NOT OK, replace the main PCB, see "Repair procedures" [ 135]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 133 0.501 V DC– Power module IPM2 for fan motor 1 Disconnect the fan motor connector from the main PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 134 No further actions required. Return to the troubleshooting of the specific error and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 135 ALWAYS apply new grease on the heat sink contact surface. NOT doing so may cause the PCB to fail due to insufficient cooling. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 136: Class 50~71 Units
Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Remove the required plate work, see "4.13 Plate work" [ 162]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 137 2 Measure the voltage between the Faston connectors of the black and white wires on the main PCB. Result: The measured voltage MUST be 230 V AC. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 138 136]. 1 Locate the HAP LED on the main PCB. A ARXM50A + RXM50A units a HAP LED RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 139 Prerequisite: First perform all earlier main PCB checks, see "Checking procedures" [ 136]. Prerequisite: Stop the unit operation via the user interface. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 140 1 Measure the continuity of the fuse. If no continuity is measured, the fuse has blown. A ARXM50A + RXM50A units a Fuse F1U b Fuse F2U c Fuse F3U RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 141 Result: The measured voltage MUST be approximately 300~350 V DC. A ARXM50A + RXM50A units a + terminal b – terminal RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 142 10 V DC before proceeding. 3 Check the diode module in reference with the image and the table below. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 143 0.51~0.52 V 0.51~0.52 V 4 If the diode module is NOT OK, replace the main PCB, see "Repair procedures" [ 147]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 144 0.501 V 0.501 V 0.501 V DC– 0.501 V DC– DC– 0.501 V DC– DC– 0.501 V DC– RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 145 When measuring on the front of the main PCB, make sure to locally remove the protective varnish with the test leads of the multi meter. 0.501 V 0.501 V 0.501 V DC– 0.501 V DC– RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 146 Replace the main PCB, see "Repair procedures" [ 147]. Problem solved? After all checking procedures listed above have been performed: RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 147 2 Remove the ferrite core (for power supply wires) from the switch box (unplug fixation plug). 3 Cut the tie strap that fixes the power supply wires to the switch box. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 148 1 Apply grease to the heat sink contact surface of the PCB. Distribute the grease as evenly as possible. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 149 No further actions required. Return to "Checking procedures" [ 136] of the PCB and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 150: Outdoor Unit Fan Motor
Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Remove the required plate work, see "4.13 Plate work" [ 162]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 151 Does not rotate or rotates for a short Continue with the next step. time 5 Turn OFF the unit via the user interface. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 152 1 Remove the required plate work, see "4.13 Plate work" [ 162]. 2 Remove the nut that fixes the propeller fan blade assembly. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 153 DC fan motor assy 3 Slightly bend the harness retainers and detach the DC fan motor harness from the switch box. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 154 Do NOT install a damaged propeller fan blade assembly. 2 Install and tighten the nut to fix the propeller fan blade assembly. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 155: Class 50~71 Units
"Repair procedures" [ 158]. Perform a mechanical check of the DC fan motor assembly, see "Checking procedures" [ 155]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 156 Wait for at least 10 minutes after the circuit breaker has been turned OFF, to be sure the rectifier voltage is below 10 V DC before proceeding. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 157 10 Manually (slowly) rotate the fan blade propeller 1 turn and measure the voltage on the DC fan motor connector pins 1-4. Result: 4 pulses MUST be measured. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 158 Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. 1 Remove the required plate work, see "4.13 Plate work" [ 162]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 159 A ARXM50A + RXM50A units a Tie strap b DC fan motor harness c Switch box d Fan motor bracket RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 160 DC fan motor harness c Switch box d Fan motor bracket e Screw f DC man motor assy RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 161 2 Install and tighten the nut to fix the propeller fan blade assembly. a Nut b Propeller fan blade assembly RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 162: Plate Work
This procedure is just an example and may differ on some details for your actual unit. Prerequisite: Stop the unit operation via the user interface. 1 Turn OFF the respective circuit breaker. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 163 162]. 1 Loosen and remove the screws that fix the front plate. a Screw b Front plate RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 164 Screw (wire clamp) c Wire clamp d Air thermistor e Side plate f Screw (side plate) A Class 50~71 units RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 165 6 Remove the screw from the switch box. 7 Lift and remove the switch box from the outdoor unit. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 166 3 For ARXM50A + RXM50A units: Disconnect the compressor connector. 4 Unplug the cable clamps to detach the wiring harnesses from the switch box. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 167 1 Install the switch box on the correct location in the outdoor unit. 2 Install and tighten the screw to fix the switch box. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 168 1 Install the switch box on the correct location in the outdoor unit. 2 Install and tighten the screw to fix the switch box. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 169 5 For ARXM50A + RXM50A units: Connect the compressor connector. 6 Connect the indicated connectors to the main PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 170: Indoor Unit
1 Place your fingers in the indentations on the unit (one each on the left and right sides), and open the front panel until it stops. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 171 5 With one hand lightly pull the front grille toward you and with the other hand push down all the 3 upper hooks marked with a “○○○“ symbol. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 172 7 Pull the front grille up using the flat screwdriver and pull towards the front side. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 173 2 Pull out the service cover horizontally away from the unit. a Service cover b Service cover screw a Service cover b Service cover screw RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 174 Prerequisite: Stop the unit operation via the user interface. Prerequisite: Turn OFF the respective circuit breaker. Prerequisite: Remove the required plate work, see "4.13 Plate work" [ 162]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 175 3 Pull the clip and remove the heat exchanger thermistor from its holder. 4 Remove the screw to disconnect the grounding wire from the heat exchanger. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 176 Grounding wire cover e Screw (grounding wire) f Indoor unit main PCB g Switch box h Screw (switch box) RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 177 3 Install the service cover and fix it with the service cover screw. 4 Install the air filter, mount the front panel and close it, see "4.13 Plate work" [ 162]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 178: Reactor
"4.14.2 Repair procedures" [ 183]. Class 20~42 units 1 Check that the reactors are firmly installed on the main PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 179 183]. 4 Measure the inductance of the reactor using an LCR meter. Result: The inductance MUST be 80~100 µH. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 180 3 Measure the resistance of the reactor using a low ohm multi meter. Result: The resistance MUST be as follows: Measuring points Resistance c‑d 20~30 mΩ 152~228 mΩ RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 181 Return to the troubleshooting of the specific error and continue with the next step. Replace the reactor, see "4.14.2 Repair procedures" [ 183]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 182 Is the inductance measurement Action correct? Return to the troubleshooting of the specific error and continue with the next step. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 183: Repair Procedures
Prerequisite: Remove the required plate work, see "4.13 Plate work" [ 162]. 1 Click the streamer unit out of its frame on the indoor unit. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 184 183]. To install the streamer unit 1 Connect the streamer unit wiring harness to the streamer unit. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 185 No further actions required. Return to the troubleshooting of the specific error and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 186: Swing Flap Motor
2 Measure the resistance between the following pins of the motor connector. Result: The measurements MUST be as shown in the table below. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 187 Replace the swing flap motor wiring harness, see "Repair procedures" [ 188]. Replace the swing flap motor, see "Repair procedures" [ 188]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 188 5 Remove the secondary swing flap from the indoor unit (by clicking it out). 6 Remove the fan guard. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 189 3 Connect the swing raster motor rod to the swing raster shaft using soft tools. 4 Tighten the 4 screws to properly fix the swing flap motor gearcase assembly. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 190 3 Remove the secondary swing flap from the indoor unit (by clicking it out). 4 Remove the screw from the swing flap motor. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 191 5 Install the main swing flap in the indoor unit (by clicking it on). 6 Install the switch box, see "4.13 Plate work" [ 162]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 192 1 Connect the wiring harness connector to the swing raster motor. 2 Install the swing raster motor cover. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 193: Secondary Swing Flap Motor
Result: The measurements MUST be as shown in the table below. Pins Measured resistance (Ω) 10-9 279~321 10-8 10-7 10-6 RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 194: Swing Raster Motor
Result: The measurements MUST be as shown in the table below. Pins Measured resistance (Ω) 15-14 279~321 15-13 15-12 15-11 RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 195 Continue with the next step. 3 Remove the swing raster motor, see "4.17.2 Repair procedures" [ 196]. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 196: Repair Procedures
1 Remove the switch box, see "4.13 Plate work" [ 162]. 2 Put a small drain pan (or container) under the drain hose. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 197 8 Remove the swing raster motor assembly from the indoor unit. 9 Remove the 2 screws that fix the swing raster motor to the bracket. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 198 6 Install the swing raster motor assembly on the correct location on the indoor unit while guiding the rod inside the swing raster compartment. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 199 No further actions required. Return to the troubleshooting of the specific error and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 200: Thermistors
ARXM50A + RXM50A OUTDOOR UNITS Name Symbol Location (PCB) Connector Reference (pins) (table) Air thermistor Main (O/U) S90: 1‑2 RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 201 28.70 8.05 2.72 –12 125.09 27.41 7.75 2.64 –11 118.34 26.18 7.46 2.55 –10 111.99 25.01 7.18 2.47 RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 202 NOT correct on the user interface display, replace the applicable PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 203: Repair Procedures
- Cut and remove the insulation. - Pull the clip that fixes the thermistor. - Remove the thermistor from the thermistor holder. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 204 2 See "Other refrigerant side thermistors" below for heat exchanger thermistor installation procedure. Other refrigerant side thermistors 1 Install the thermistor as follows: RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 205 "7.2 Wiring diagram" [ 230]. ALWAYS replace the complete set of thermistors wired to the same connector. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 206: Wifi Control Pcb
3 Measure the power supply voltage between the pins 4‑5 on the wifi control PCB connector. Result: The measured voltage MUST be 10~16 V DC. A CTXM15A + ATXM20~50A + FTXM20~50A RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 207: Repair Procedures
Prerequisite: Remove the required plate work, see "4.13 Plate work" [ 162]. 1 Disconnect the connector from the wifi control PCB. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 208 To install the wifi control PCB 1 Click the wifi control PCB assembly on the indoor unit. A CTXM15A + ATXM20~50A + FTXM20~50A RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 209 3 Connect the wiring harness to the wifi control PCB. 4 Fix the wiring harness using new tie straps (if needed). RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 210 No further actions required. Return to the troubleshooting of the specific error and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 211: Third Party Components
Return to the troubleshooting of the specific error and continue with the next procedure. Continue with the next step. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 212: Repair Procedures
No further actions required. Return to the troubleshooting of the specific error and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 213: Refrigerant Circuit
To check if the stop valves are open Prerequisite: Remove the required plate work, see "4.13 Plate work" [ 162]. 1 Remove the caps. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 214 If a big temperature difference is measured (>2.5~4K), an internal pipe obstruction may be present at this location. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 215 To maintain low pressure, operating frequency increases on the capacity control. (Degree of overcharge) Proper amount Further overcharge RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 216 To maintain low pressure, operating frequency decreases on the capacity control. (Degree of shortage) Higher degree of Proper amount shortage RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 217 To perform a pressure test of the refrigerant circuit 1 Perform a pressure test in line with local legislation. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 218: Repair Procedures
No further actions required. Return to the troubleshooting of the specific error and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 219 No further actions required. Return to the troubleshooting of the specific error and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 220 ▪ Use a separate recovery system so that the unit's compressor does NOT have to operate. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 221 MIGHT be an indication of moisture presence, so the vacuum pump will need to run longer. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 222: External Factors
No further actions required. Return to the troubleshooting of the specific error and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 223 No further actions required. Return to the troubleshooting of the specific error and continue with the next procedure. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 224: Maintenance
General maintenance/inspection checklist. Next to the maintenance instructions in this chapter, a general maintenance/inspection checklist is also available on the Daikin Business Portal (authentication required). The general maintenance/inspection checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during maintenance.
Page 225: To Clean The Indoor Unit Heat Exchanger In Extreme Condition
1 Clean with a soft cloth. If it is difficult to remove stains, use water or a neutral detergent. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 226: To Clean The Front Panel
3 Remove the titanium apatite deodorising filter and the silver particle filter from all 4 claws. a Claw RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 227: To Clean The Titanium Apatite Deodorising Filter And The Silver Particle Filter (Ag-Ion Filter)
4 claws. a Tab 2 Remove the dust from the filter with a vacuum cleaner. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 228: To Replace The Titanium Apatite Deodorising Filter And The Silver Particle Filter (Ag-Ion Filter)
To order titanium apatite deodorising filter or silver particle filters, contact your dealer. Item Part number Titanium deodorising filter KAF970A46 Silver particle filter KAF057A41 RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 229: Technical Data
7.1.3 Detailed information setting mode: Remote controller See the installer reference guide on business portal for more information. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 230: Wiring Diagram
Connection, connector MR*_A, MR*_B, S*, U, V, W, X*A, K*R_*, NE D*, V*D Diode Diode bridge DIP switch RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 231 Q*DI, KLM Earth leak circuit breaker Overload protector Thermo switch Residual current device Resistor Thermistor Receiver Limit switch RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 232 Terminal strip (block) Electronic expansion valve coil Y*R, Y*S Reversing solenoid valve coil Ferrite core ZF, Z*F Noise filter RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 233 S801 S101 CONTROL ADAPTER C101 C102 SHIELD PLATE (TERMINAL REAR) SHIELD PLATE (1) OUTDOOR GRN/YLW GRN/YLW GRN/YLW 3D142898D RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 234 S301B S300A S602 S102 WI-FI S103 control S801 S101 adapter C101 C102 Shield plate Outdoor GRN/YLW GRN/YLW 2D146746B RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 235: Wiring Diagram: Outdoor Unit
Connection, connector MR*_A, MR*_B, S*, U, V, W, X*A, K*R_*, NE D*, V*D Diode Diode bridge DIP switch Heater RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 236 Earth leak circuit breaker Overload protector Thermo switch Residual current device Resistor Thermistor Receiver Limit switch Float switch RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 237 Terminal strip (block) Electronic expansion valve coil Y*R, Y*S Reversing solenoid valve coil Ferrite core ZF, Z*F Noise filter RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 238 IPM201 X50A X21A X90A X80A X40A X70A 3〜 P> R1T R2T R3T Outdoor Discharge Outdoor S1PH Condenser 4D147370B RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 239 MR30 W V U MRCW X11A X12A P> R1T R2T R3T Outdoor Outdoor Discharge S1PH 3〜 Condenser 3D130906A RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 240 X820A V821D S1PH P> ° 3.15A X700A X800A X200A X12A Ｍ Wiring diagram 3〜 of compressor 3〜 3D150217 RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 241: Piping Diagram
Field piping (gas: Ø9.5 mm flare connection) c Crossflow fan d Heat exchanger e Distributor M1F Fan motor R1T Thermistor (heat exchanger) Heating Cooling RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 242 Field piping (gas: Ø9.5 mm flare connection) c Crossflow fan d Heat exchanger e Distributor M1F Fan motor R1T Thermistor (heat exchanger) Heating Cooling RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 243 Field piping (gas: Ø9.5 mm flare connection) c Crossflow fan d Heat exchanger e Distributor M1F Fan motor R1T Thermistor (heat exchanger) Heating Cooling RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 244 Field piping (gas: Ø12.7 mm flare connection) c Crossflow fan d Heat exchanger e Distributor M1F Fan motor R1T Thermistor (heat exchanger) Heating Cooling RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 245 Field piping (gas: Ø12.7 mm flare connection) c Crossflow fan d Heat exchanger e Distributor M1F Fan motor R1T Thermistor (heat exchanger) Heating Cooling RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 246 Field piping (gas: Ø12.7 mm flare connection) c Crossflow fan d Heat exchanger e Distributor M1F Fan motor R1T Thermistor (heat exchanger) Heating Cooling RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 247: Piping Diagram: Outdoor Unit
Y1E Electronic expansion valve g Heat exchanger Y1S 4-way valve (ON: heating) h Accumulator Refrigerant flow: cooling Refrigerant flow: heating RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 248 Heat exchanger Y1E Electronic expansion valve h Accumulator Y1S 4-way valve (ON: heating) Refrigerant flow: cooling Refrigerant flow: heating RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 249 Y1E Electronic expansion valve h Heat exchanger Y1S 4-way valve (ON: heating) i Muffler Refrigerant flow: cooling Refrigerant flow: heating RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 250 Y1E Electronic expansion valve h Heat exchanger Y1S 4-way valve (ON: heating) i Muffler Refrigerant flow: cooling Refrigerant flow: heating RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 251 Y1E Electronic expansion valve h Heat exchanger Y1S 4-way valve (ON: heating) i Muffler Refrigerant flow: cooling Refrigerant flow: heating RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 252 Y1E Electronic expansion valve h Heat exchanger Y1S 4-way valve (ON: heating) i Muffler Refrigerant flow: cooling Refrigerant flow: heating RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 253: Component Overview
Muffler with filter p Discharge pipe thermistor R3T h 4‑way valve Y1S q Fan i Fan motor M1F RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 254 Accumulator g Muffler with filter p Compressor M1C h 4‑way valve Y1S q Fan i Fan motor M1F RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 255 Compressor M1C h Fan motor M1F q Discharge pipe thermistor R3T i High pressure switch S1PH r Fan RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 256 Muffler with filter r Fan motor M1F i Discharge pipe thermistor R5T s Fan j 4‑way valve Y1S RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 257 Stop valve (liquid) p Compressor thermal protector Q1M h Muffler q Fan motor M1F i 4‑way valve Y1S r Fan RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 258: Component Overview: Indoor Unit
Secondary swing flap motor M2S h Intelligent eye sensor A5P q Main swing flap motor M1S i Indication lamp PCB A3P RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 259 Secondary swing flap motor M2S h Intelligent eye sensor A5P q Main swing flap motor M1S i Indication lamp PCB A3P RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 260 Secondary swing flap motor M2S h Intelligent eye sensor A5P q Main swing flap motor M1S i Indication lamp PCB A3P RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 261 Swing raster motor M1S g Indoor unit air (room) thermistor R2T o Swing flap motor M2S h Intelligent eye sensor A5P RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 262 Swing raster motor M1S g Indoor unit air (room) thermistor R2T o Swing flap motor M2S h Intelligent eye sensor A5P RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 263: Field Information Report
Technical data 7.5 Field information report See next page. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 264 In case a problem occurred on the unit which could not be resolved by using the content of this service manual or in case you have a problem which could be resolved but of which the manufacturer should be notified, we advise you to contact your distributor.
Page 265 Application information Application (house, apartment, office,…): New project or reimbursement: Heat emitters (radiators / under floor heating / fan coils /…): Hydraulic layout (simple schematic): Unit / Installation information Model name: Serial number: Installation / commissioning date: Software version main PCB: Software version user interface: Software version 2 PCB (if applicable):...
Page 266: Service Tools
Technical data 7.6 Service tools 1 For an overview of the available service tools, check the Daikin Business Portal (authentication required). 2 Go to the tab After-sales support on the left navigation pane and select Technical support. 3 Click the button Service tools. An overview of the available service tools for the different products is shown.
Page 267: Field Settings
6 Press to confirm. 7 Press to select the desired setting. 8 Press to confirm the setting. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 268 Default visible value on remote controller field setting menu for Preheating (pre‑heating of compressor by motor) function is 0 (OFF). However unit has Preheating (pre‑heating of compressor by motor) function = 1 (ON) by default. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 269: Field Settings: Outdoor Unit
▪ J8: Cold region setting ▪ J9: Not used on this unit ▪ J12: Not used on this unit RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 270 ▪ J7: Not used on this unit ▪ J8: Cold region setting ▪ J9: Not used on this unit ▪ J12: Snowfall prevention setting RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 271 ▪ J7: Not used on this unit ▪ J8: Cold region setting ▪ J9: Not used on this unit RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 272 1 Cut the J5 jumper on the main PCB of the outdoor unit. A Class 20~42 units B ARXM50A + RXM50A units RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 273 1 Cut the jumper J8 on the main PCB using nippers or a similar tool to improve the defrosting performance. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 274 Technical data A Class 20~42 units B ARXM50A + RXM50A units C ARXM50A9 + RXM50A9 units RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 275 1 Cut the jumper J12 on the main PCB using nippers or a similar tool to start the outdoor unit fan intermittently at low ambient temperature. RXM20~71A + RXM25~50A9 + ARXM25~71A + ARXM35+50A9 + Service manual FTXM20~71A + ATXM20~50A + CTXM15A Split Perfera ZETA R32 ESIE23-06A – 2024.10...
Page 276 ESIE23-06A 2024.10...

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