Daikin FTXS60GV1B Service Manual
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Daikin FTXS60GV1B Service Manual

Inverter pair wall mounted type
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See also: Service Manual , Operating Manual
Service
Manual
Inverter Pair
Wall Mounted Type FTXS-G Series
SiBE041011EC
[Applied Models]
Inverter Pair : Cooling Only
Inverter Pair : Heat Pump

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Summary of Contents for Daikin FTXS60GV1B

  • Page 1 SiBE041011EC Service Manual Inverter Pair Wall Mounted Type FTXS-G Series [Applied Models] Inverter Pair : Cooling Only Inverter Pair : Heat Pump...
  • Page 2 SiBE041011EC Inverter Pair Wall Mounted Type FTXS-G Series Cooling Only Indoor Unit FTXS60GV1B FTXS71GV1B Outdoor Unit RKS60F3V1B RKS71FAV1B RKS60F3V1B9 Heat Pump Indoor Unit FTXS60GV1B FTXS71GV1B Outdoor Unit RXS60F3V1B RXS71FAV1B RXS60F3V1B9 RXS71FAV1B9 RXS60F4V1B RXS71FAV1B8 Table of Contents...

  • Page 3: Table Of Contents

    SiBE041011EC 1. Safety Cautions..................v 1.1 Warnings and Cautions Regarding Safety of Workers......v 1.2 Warnings and Cautions Regarding Safety of Users....... vii 2. Used Icons ....................x Part 1 List of Functions ..............1 1. Functions....................2 1.1 Cooling Only.....................2 1.2 Heat Pump ....................3 Part 2 Specifications ..............
  • Page 4 SiBE041011EC 3.11 Electronic Expansion Valve Control ............48 3.12 Malfunctions ...................51 Part 5 Remote Controller ............52 1. Remote Controller .................53 Part 6 Service Diagnosis............. 55 1. General Problem Symptoms and Check Items ........57 2. Troubleshooting with LED ..............58 2.1 Indoor Unit....................58 2.2 Outdoor Unit ...................58 3.
  • Page 5 SiBE041011EC 5.11 Outdoor Fan System Check ..............107 5.12 Main Circuit Short Check..............107 5.13 Capacitor Voltage Check..............108 5.14 Power Module Check ................108 Part 7 Trial Operation and Field Settings......... 110 1. Pump Down Operation................111 2. Forced Cooling Operation ..............112 3. Trial Operation ..................113 4.

  • Page 6: Safety Cautions

    Safety Cautions SiBE041011EC 1. Safety Cautions Be sure to read the following safety cautions before conducting repair work. After the repair work is complete, be sure to conduct a test operation to ensure that the equipment operates normally, and explain the cautions for operating the product to the customer.
  • Page 7 SiBE041011EC Safety Cautions Warning Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug. Plugging or unplugging the power cable plug to operate the equipment may cause an electrical shock or fire. Be sure to wear a safety helmet, gloves, and a safety belt when working at a high place (more than 2 m).

  • Page 8: Warnings And Cautions Regarding Safety Of Users

    Safety Cautions SiBE041011EC Caution Use the welder in a well-ventilated place. Using the welder in an enclosed room may cause oxygen deficiency. Warnings and Cautions Regarding Safety of Users Warning Do not store the equipment in a room with successive fire sources (e.g., naked flame, gas appliance, electric heater).
  • Page 9 SiBE041011EC Safety Cautions Warning Do not mix air or gas other than the specified refrigerant (R-32 / R-410A / R-22) in the refrigerant system. If air enters the refrigerating system, an excessively high pressure results, causing equipment damage and injury. If the refrigerant gas leaks, be sure to locate the leaking point and repair it before charging the refrigerant.
  • Page 10 Safety Cautions SiBE041011EC Caution Check to see if the parts and wires are mounted and connected properly, and if the connections at the soldered or crimped terminals are secure. Improper installation and connections may cause excessive heat generation, fire or an electrical shock. If the installation platform or frame has corroded, replace it.

  • Page 11: Used Icons

    SiBE041011EC Used Icons 2. Used Icons The following icons are used to attract the attention of the reader to specific information. Icon Type of Description Information Warning A Warning is used when there is danger of personal injury. Warning Caution A Caution is used when there is danger that the reader, through incorrect manipulation, may damage equipment, lose data, get Caution...

  • Page 12: Part 1 List Of Functions

    SiBE041011EC Part 1 List of Functions 1. Functions....................2 1.1 Cooling Only.....................2 1.2 Heat Pump ....................3 List of Functions...

  • Page 13: Functions

    SiBE041011EC Functions 1. Functions Cooling Only Category Functions Category Functions Basic Function Inverter (with inverter power control) Health & Clean Air-purifying filter — –10 Operation limit for cooling (°CDB) Photocatalytic deodorizing filter — Air-purifying filter with photocatalytic Operation limit for heating (°CWB) —...

  • Page 14: Heat Pump

    Functions SiBE041011EC Heat Pump Category Functions Category Functions Basic Function Inverter (with inverter power control) Health & Clean Air-purifying filter — –10 Operation limit for cooling (°CDB) Photocatalytic deodorizing filter — –15 Air-purifying filter with photocatalytic Operation limit for heating (°CWB) —...

  • Page 15: Part 2 Specifications

    SiBE041011EC Part 2 Specifications 1. Specifications ..................5 1.1 Cooling Only.....................5 1.2 Heat Pump ....................7 Specifications...

  • Page 16: Specifications

    Specifications SiBE041011EC 1. Specifications Cooling Only 50 Hz, 220 - 230 - 240 V Indoor Unit FTXS60GV1B FTXS71GV1B Model Outdoor Unit RKS60F3V1B RKS71FAV1B 6.0 (1.7 ~ 6.7) 7.1 (2.3 ~ 8.5) Capacity Rated Btu/h 20,500 (5,800 ~ 22,900) 24,200 (7,800 ~ 29,000) (Min.
  • Page 17 SiBE041011EC Specifications 50 Hz, 220 - 230 - 240 V Indoor Unit FTXS60GV1B Model Outdoor Unit RKS60F3V1B9 6.0 (1.7 ~ 6.7) Capacity Rated Btu/h 20,500 (5,800 ~ 22,900) (Min. ~ Max.) kcal/h 5,160 (1,460 ~ 5,760) Running Current (Rated) 9.2 - 8.8 - 8.4...

  • Page 18: Heat Pump

    Specifications SiBE041011EC Heat Pump 50 Hz, 220 - 230 - 240 V Indoor Unit FTXS60GV1B FTXS71GV1B Model RXS60F3V1B RXS71FAV1B Outdoor Unit Cooling Heating Cooling Heating 6.0 (1.7 ~ 6.7) 7.0 (1.7 ~ 8.0) 7.1 (2.3 ~ 8.5) 8.2 (2.3 ~ 10.2)
  • Page 19 SiBE041011EC Specifications 50 Hz, 220 - 230 - 240 V Indoor Unit FTXS60GV1B Model RXS60F3V1B9 Outdoor Unit Cooling Heating 6.0 (1.7 ~ 6.7) 7.0 (1.7 ~ 8.0) Capacity Rated Btu/h 20,500 (5,800 ~ 22,900) 23,900 (5,800 ~ 27,300) (Min. ~ Max.)
  • Page 20 Specifications SiBE041011EC 50 Hz, 220 - 230 - 240 V Indoor Unit FTXS60GV1B FTXS71GV1B Model RXS60F4V1B RXS71FAV1B9 Outdoor Unit Cooling Heating Cooling Heating 6.0 (1.7 ~ 6.7) 7.0 (1.7 ~ 8.0) 7.1 (2.3 ~ 8.5) 8.2 (2.3 ~ 10.2) Capacity Rated...
  • Page 21 SiBE041011EC Specifications 50 Hz, 220 - 230 - 240 V Indoor Unit FTXS71GV1B Model RXS71FAV1B8 Outdoor Unit Cooling Heating 7.1 (2.3 ~ 8.5) 8.2 (2.3 ~ 10.2) Capacity Rated Btu/h 24,200 (7,800 ~ 29,000) 28,000 (7,800 ~ 34,800) (Min. ~ Max.) kcal/h 6,110 (1,980 ~ 7,310) 7,050 (1,980 ~ 8,770)

  • Page 22: Part 3 Printed Circuit Board Connector Wiring Diagram

    SiBE041011EC Part 3 Printed Circuit Board Connector Wiring Diagram 1. Indoor Unit.....................12 2. Outdoor Unit..................14 2.1 RK(X)S60F3V1B, 71 Class ..............14 2.2 RK(X)S60F3V1B9, RXS60F4V1B............16 Printed Circuit Board Connector Wiring Diagram...

  • Page 23: Indoor Unit

    SiBE041011EC Indoor Unit 1. Indoor Unit Control PCB (PCB1) 1) S1 Connector for DC fan motor 2) S21 Connector for centralized control (HA) 3) S25 Connector for INTELLIGENT EYE sensor PCB 4) S32 Indoor heat exchanger thermistor 5) S41 Connector for swing motors 6) S46 Connector for display PCB 7) S47...
  • Page 24 Indoor Unit SiBE041011EC Signal Receiver PCB (PCB2) 1) S48 Connector for control PCB 3P247309-1 Display PCB (PCB3) 1) S49 Connector for control PCB 2) SW1 Forced cooling operation ON/OFF button ∗ Refer to page 112 for detail. 3) LED1 (H1P) LED for operation (green) 4) LED2 (H2P) LED for timer (yellow)

  • Page 25: Outdoor Unit

    SiBE041011EC Outdoor Unit 2. Outdoor Unit RK(X)S60F3V1B, 71 Class Main PCB (PCB 1) 1) S10 Connector for terminal board (indoor - outdoor transmission) 2) S20 Connector for electronic expansion valve coil 3) S40 Connector for overload protector 4) S51, S101 Connector for service monitor PCB 5) S70 Connector for fan motor...
  • Page 26 Outdoor Unit SiBE041011EC 71 Class E1 E2 (3.15A) (30A) V100 (white) (blue) S101 S20 S40 2P229141-3 (3.15A) Service Monitor PCB (PCB 2) 1) S52, S102 Connector for main PCB 2) LED A LED for service monitor (green) 3) SW1 Forced cooling operation ON/OFF button ∗...

  • Page 27: Rk(X)S60F3V1B9, Rxs60F4V1B

    SiBE041011EC Outdoor Unit RK(X)S60F3V1B9, RXS60F4V1B Filter PCB (PCB 1) 1) S11 Connector for S10 on main PCB 2) HL1, HN1, S Connector for terminal board 3) E1, E2 Terminal for earth wire 4) HL2, HN2 Connector for HL3 HN3 on main PCB 5) HL4, HN4 Connector for S12 on main PCB 6) FU1...
  • Page 28 Outdoor Unit SiBE041011EC Main PCB (PCB 2) 1) S10 Connector for S11 on filter PCB 2) S12 Connector for HL4 HN4 on filter PCB 3) S20 Connector for electronic expansion valve coil 4) S40 Connector for overload protector 5) S50 Connector for magnetic relay 6) S70 Connector for fan motor...

  • Page 29: Part 4 Function And Control

    SiBE041011EC Part 4 Function and Control 1. Main Functions..................19 1.1 Temperature Control ................19 1.2 Frequency Principle................19 1.3 Airflow Direction Control.................21 1.4 Fan Speed Control for Indoor Unit ............22 1.5 Program Dry Operation ................23 1.6 Automatic Operation................24 1.7 Thermostat Control.................25 1.8 NIGHT SET Mode ..................26 1.9 ECONO Operation .................26 1.10 INTELLIGENT EYE Operation ...............27 1.11 Inverter POWERFUL Operation .............28...

  • Page 30: Main Functions

    Main Functions SiBE041011EC 1. Main Functions Temperature Control Definitions of The definitions of temperatures are classified as following. Temperatures Room temperature: temperature of lower part of the room Set temperature: temperature set by remote controller Room thermistor temperature: temperature detected by room temperature thermistor Target temperature: temperature determined by microcomputer Target temperature Room thermistor temperature...
  • Page 31 SiBE041011EC Main Functions The following drawing shows a schematic view of the inverter principle: Refrigerant circulation rate (high) high speed Amount of heat Amount of heat exchanged air (large) exchanged air (large) high f low f Amount of heat Amount of heat exchanged air (small) exchanged air (small) low speed...

  • Page 32: Airflow Direction Control

    Main Functions SiBE041011EC Airflow Direction Control Power-Airflow The large flap sends a large volume of air downward to the floor and provides an optimum control in cooling, dry, and heating operation. Dual Flaps <Cooling / Dry> During cooling or dry operation, the flap retracts into the indoor unit. Then, cool air can be blown far and distributed all over the room.

  • Page 33: Fan Speed Control For Indoor Unit

    SiBE041011EC Main Functions Fan Speed Control for Indoor Unit Outline Phase control and fan speed control contains 9 steps: LLL, LL, SL, L, ML, M, MH, H, and HH. The airflow rate can be automatically controlled depending on the difference between the room thermistor temperature and the target temperature.

  • Page 34: Program Dry Operation

    Main Functions SiBE041011EC Program Dry Operation Outline Program dry operation removes humidity while preventing the room temperature from lowering. Since the microcomputer controls both the temperature and airflow rate, the temperature adjustment and FAN setting buttons are inoperable. Detail The microcomputer automatically sets the temperature and airflow rate. The difference between the room thermistor temperature at start-up and the target temperature is divided into two zones.

  • Page 35: Automatic Operation

    SiBE041011EC Main Functions Automatic Operation Outline Automatic Cooling / Heating Function When the automatic operation is selected with the remote controller, the microcomputer automatically determines the operation mode as cooling or heating according to the room temperature and the set temperature at start-up. The unit automatically switches the operation mode to maintain the room temperature at the set temperature.

  • Page 36: Thermostat Control

    Main Functions SiBE041011EC Thermostat Control Outline Thermostat control is based on the difference between the room thermistor temperature and the target temperature. Detail Thermostat OFF Condition The temperature difference is in the zone A. Thermostat ON Conditions The temperature difference returns to the zone C after being in the zone A. The system resumes from defrost control in any zones except A.

  • Page 37: Night Set Mode

    SiBE041011EC Main Functions NIGHT SET Mode Outline When the OFF TIMER is set, NIGHT SET Mode is automatically activated. NIGHT SET Mode keeps the airflow rate setting. Detail NIGHT SET Mode continues operation at the target temperature for the first one hour, then automatically raises the target temperature slightly in cooling, or lowers it slightly in heating.

  • Page 38: Intelligent Eye Operation

    Main Functions SiBE041011EC 1.10 INTELLIGENT EYE Operation Outline This function detects the presence of humans in the room with a motion sensor (INTELLIGENT EYE) and reduces the capacity when there is nobody in the room in order to save electricity. Detail 1.

  • Page 39: Inverter Powerful Operation

    SiBE041011EC Main Functions 1.11 Inverter POWERFUL Operation Outline In order to exploit the cooling and heating capacity to full extent, the air conditioner can be operated by increasing the indoor fan rotating speed and the compressor frequency. Detail When the POWERFUL button is pressed, the fan speed and target temperature are converted to the following states for 20 minutes.

  • Page 40: Clock Setting

    Main Functions SiBE041011EC 1.12 Clock Setting ARC452 Series The clock can be set by taking the following steps: 1. Press the CLOCK button. → is displayed and MON and blink. 2. Press the SELECT button to set the clock to the current day of the week. 3.

  • Page 41: Weekly Timer Operation

    SiBE041011EC Main Functions 1.13 WEEKLY TIMER Operation Outline Up to 4 timer settings can be saved for each day of the week (up to 28 settings in total). The 3 items: ON/OFF, temperature, and time can be set. Detail Using in these cases of WEEKLY TIMER Example: The same timer settings are made for the week from Monday through Friday while different timer settings are made for the weekend.
  • Page 42 Main Functions SiBE041011EC To use WEEKLY TIMER operation Setting mode • Make sure the day of the week and time are set. If not, set the day of the week and time. Program 1 Program 2 Program 3 Program 4 Monday 25˚C 27˚C...
  • Page 43 SiBE041011EC Main Functions Press to select the desired time. • The time can be set between 0:00 and 23:50 in 10 minute intervals. • To return to the ON/OFF TIMER mode setting, press • Go to STEP when setting the OFF TIMER. Press •...
  • Page 44 Main Functions SiBE041011EC Copy mode • A reservation made once can be copied to another day of the week. The whole reservation of the selected day of the week will be copied. Program 1 Program 2 Program 3 Program 4 Monday 25˚C 27˚C...
  • Page 45 SiBE041011EC Main Functions Confirming a reservation • The reservation can be confirmed. Setting Displays Normal display Confirmation display Press • The day of the week and the reservation number of current day will be displayed. Press to select the day of the week and the reservation number to be confirmed.
  • Page 46 Main Functions SiBE041011EC To delete reservations The individual reservation Press • The day of the week and the reservation number will be displayed. Press to select the day of the week and the reservation number to be deleted. Press • blink.

  • Page 47: Other Functions

    SiBE041011EC Main Functions 1.14 Other Functions 1.14.1 Hot-Start Function In order to prevent the cold air blast that normally occurs when heating operation is started, the temperature of the indoor heat exchanger is detected, and the airflow is either stopped or significantly weakened resulting in comfortable heating.

  • Page 48: Function Of Thermistor

    Function of Thermistor SiBE041011EC 2. Function of Thermistor Electronic expansion valve Four way valve Compressor (R14247) (1) Outdoor Heat 1. The outdoor heat exchanger thermistor is used for controlling the target discharge pipe temperature. The system sets the target discharge pipe temperature according to the Exchanger outdoor and indoor heat exchanger temperature, and controls the electronic expansion valve Thermistor...

  • Page 49: Control Specification

    SiBE041011EC Control Specification 3. Control Specification Mode Hierarchy Outline The air conditioner control has normal operation mode, forced operation mode, and power transistor test mode for installation and servicing. Detail Cooling Only Model Air conditioner control mode Forced operation mode Forced cooling operation (for pump down operation) Power transistor test mode Normal operation mode...

  • Page 50: Frequency Control

    Control Specification SiBE041011EC Frequency Control Outline The compressor frequency is determined according to the difference between the room thermistor temperature and the target temperature. When the shift of the frequency is less than zero (∆F<0) by PI control, the target frequency is used as the command frequency. Dropping function Input current control, etc.
  • Page 51 SiBE041011EC Control Specification 4. Determine prohibited frequency There is a certain prohibited frequency such as a power supply frequency. When starting the compressor, the frequency is initialized according to the ∆D signal of the Initial Frequency indoor unit. <∆D signal: Indoor frequency command> The difference between the room thermistor temperature and the target temperature is recognized as the ∆D signal and is used for frequency command.

  • Page 52: Controls At Mode Changing / Start-Up

    Control Specification SiBE041011EC Controls at Mode Changing / Start-up 3.3.1 Preheating Control Outline The inverter operation in open phase starts with the conditions of the outdoor temperature, the discharge pipe temperature, the radiation fin temperature, and the preheating command from the indoor unit.

  • Page 53: Compressor Protection Function

    SiBE041011EC Control Specification 3.3.3 Four Way Valve Operation Compensation Outline At the beginning of operation as the four way valve is switched, the pressure difference to activate the four way valve is acquired when the output frequency is higher than a certain fixed frequency, for a certain fixed time.

  • Page 54: Discharge Pipe Temperature Control

    Control Specification SiBE041011EC Discharge Pipe Temperature Control Outline The discharge pipe temperature is used as the internal temperature of the compressor. If the discharge pipe temperature rises above a certain level, the upper limit of frequency is set to keep the discharge pipe temperature from rising further. Detail Stop zone A˚C...

  • Page 55: Input Current Control

    SiBE041011EC Control Specification Input Current Control Outline The microcomputer calculates the input current while the compressor is running, and sets the frequency upper limit based on the input current. In case of heat pump models, this control is the upper limit control of frequency and takes priority over the lower limit control of four way valve operation compensation.

  • Page 56: Freeze-Up Protection Control

    Control Specification SiBE041011EC Freeze-up Protection Control During cooling operation, the signal sent from the indoor unit determines the frequency upper limit and prevents freezing of the indoor heat exchanger. (The signal from the indoor unit is divided into zones.) The operating frequency limitation is judged with the indoor heat exchanger temperature. Indoor heat exchanger thermistor temperature 13˚C...

  • Page 57: Outdoor Fan Control

    SiBE041011EC Control Specification Outdoor Fan Control 1. Fan ON control to cool down the electrical box The outdoor fan is turned ON when the electrical box temperature is high while the compressor is OFF. 2. Fan OFF control during defrosting The outdoor fan is turned OFF during defrosting.

  • Page 58: Defrost Control

    Control Specification SiBE041011EC 3.10 Defrost Control Outline Defrosting is carried out by the cooling cycle (reverse cycle). The defrosting time or outdoor heat exchanger temperature must be more than a certain value to finish defrosting. Detail Conditions for Starting Defrost The starting conditions are determined with the outdoor temperature and the outdoor heat exchanger temperature.

  • Page 59: Electronic Expansion Valve Control

    SiBE041011EC Control Specification 3.11 Electronic Expansion Valve Control Outline The following items are included in the electronic expansion valve control. Electronic expansion valve is fully closed 1. Electronic expansion valve is fully closed when turning on the power. 2. Pressure equalizing control Open Control 1.

  • Page 60: Pressure Equalizing Control

    Control Specification SiBE041011EC 3.11.1 Fully Closing with Power ON The electronic expansion valve is initialized when turning on the power. The opening position is set and the pressure is equalized. 3.11.2 Pressure Equalizing Control When the compressor is stopped, the pressure equalizing control is activated. The electronic expansion valve opens and the pressure is equalized.
  • Page 61 SiBE041011EC Control Specification 3.11.7 Discharge Pipe Thermistor Disconnection Control Outline The disconnection of the discharge pipe thermistor is detected by comparing the discharge pipe temperature with the condensation temperature. If the discharge pipe thermistor is disconnected, the electronic expansion valve opens according to the outdoor temperature and the operation frequency, operates for a specified time, and then stops.

  • Page 62: Malfunctions

    Control Specification SiBE041011EC 3.12 Malfunctions 3.12.1 Sensor Malfunction Detection Sensor malfunction can be detected in the following thermistors: 1. Outdoor heat exchanger thermistor 2. Discharge pipe thermistor 3. Radiation fin thermistor 4. Outdoor temperature thermistor 3.12.2 Detection of Overcurrent and Overload Outline An excessive output current is detected and the OL temperature is observed to protect the compressor.

  • Page 63: Part 5 Remote Controller

    SiBE041011EC Part 5 Remote Controller 1. Remote Controller .................53 Remote Controller...

  • Page 64: Remote Controller

    1 Inverter POWERFUL operation P.28 2 Model type setting P.114 Note: Refer to the operation manual of applicable model for detail. You can download operation manuals from Daikin Business Portal: Daikin Business Portal → Product Information → Operation/Installation Manual (URL: https://global1d.daikin.com/business_portal/login/) Remote Controller...

  • Page 65: Mode Button

    5 ECONO operation P.26 8 Clock setting P.29 Note: Refer to the operation manual of applicable model for detail. You can download operation manuals from Daikin Business Portal: Daikin Business Portal → Product Information → Operation/Installation Manual (URL: https://global1d.daikin.com/business_portal/login/) Remote Controller...

  • Page 66: Part 6 Service Diagnosis

    SiBE041011EC Part 6 Service Diagnosis 1. General Problem Symptoms and Check Items ........57 2. Troubleshooting with LED ..............58 2.1 Indoor Unit....................58 2.2 Outdoor Unit ...................58 3. Service Diagnosis .................59 4. Troubleshooting ..................62 4.1 Error Codes and Description ..............62 4.2 Indoor Unit PCB Abnormality ..............63 4.3 Freeze-up Protection Control / Heating Peak-cut Control ......64 4.4 Fan Motor (DC Motor) or Related Abnormality........65 4.5 Thermistor or Related Abnormality (Indoor Unit)........67...
  • Page 67 SiBE041011EC 5.13 Capacitor Voltage Check..............108 5.14 Power Module Check ................108 Service Diagnosis...

  • Page 68: General Problem Symptoms And Check Items

    General Problem Symptoms and Check Items SiBE041011EC 1. General Problem Symptoms and Check Items Symptom Check Item Measures Reference Page The unit does not operate. Check the power supply. Check if the rated voltage is supplied. — Check the type of the indoor unit. Check if the indoor unit type is compatible with —...

  • Page 69: Troubleshooting With Led

    SiBE041011EC Troubleshooting with LED 2. Troubleshooting with LED Indoor Unit Operation Lamp The operation lamp blinks when any of the following errors is detected. 1. When a protection device of the indoor or outdoor unit is activated, or when the thermistor malfunctions.

  • Page 70: Service Diagnosis

    Service Diagnosis SiBE041011EC 3. Service Diagnosis 1. When the timer cancel button is held down for 5 seconds, 00 is displayed on the temperature Method 1 display screen. Timer cancel button < ARC452 Series > (R14554) 2. Press the timer cancel button repeatedly until a long beep sounds. The code indication changes in the sequence shown below.
  • Page 71 SiBE041011EC Service Diagnosis Method 2 1. Press the 3 buttons (TEMP , TEMP , MODE) at the same time to enter the diagnosis mode. (R8381) The left-side number blinks. (R8382) 2. Press the TEMP or TEMP button and change the number until you hear the two consecutive beeps or the long beep.
  • Page 72 Service Diagnosis SiBE041011EC 5. Press the TEMP or TEMP button and change the number until you hear the long beep. (R8383) 6. Diagnose by the sound. beep: The left-side number does not correspond with the error code. two consecutive beeps: The left-side number corresponds with the error code but the right-side number does not.

  • Page 73: Troubleshooting

    SiBE041011EC Troubleshooting 4. Troubleshooting Error Codes and Description Reference Error Codes Description Page System Normal — Refrigerant shortage Low-voltage detection or over-voltage detection Signal transmission error (between indoor unit and outdoor unit) Unspecified voltage (between indoor unit and outdoor unit) Indoor Indoor unit PCB abnormality Unit...

  • Page 74: Indoor Unit Pcb Abnormality

    Troubleshooting SiBE041011EC Indoor Unit PCB Abnormality Error Code Method of Error The system checks if the circuit works properly within the microcomputer of the indoor unit. Detection Error Decision The system cannot set the internal settings. Conditions Supposed Wrong models interconnected Defective indoor unit PCB Causes Disconnection of connector...

  • Page 75: Freeze-Up Protection Control / Heating Peak-Cut Control

    SiBE041011EC Troubleshooting Freeze-up Protection Control / Heating Peak-cut Control Error Code Method of Error Freeze-up protection control During cooling operation, the freeze-up protection control (operation halt) is activated Detection according to the temperature detected by the indoor heat exchanger thermistor. Heating peak-cut control During heating operation, the temperature detected by the indoor heat exchanger thermistor is used for the heating peak-cut control (operation halt, outdoor fan stop, etc.)

  • Page 76: Fan Motor (Dc Motor) Or Related Abnormality

    Troubleshooting SiBE041011EC Fan Motor (DC Motor) or Related Abnormality Error Code Method of Error The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor operation. Detection Error Decision The detected rotation speed does not reach the demanded rotation speed of the target tap, and is less than 50% of the maximum fan motor rotation speed.
  • Page 77 SiBE041011EC Troubleshooting Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.02 Check the power supply Refer to P.102 voltage. Is the voltage fluctuation Correct the power within ±10% from supply.

  • Page 78: Thermistor Or Related Abnormality (Indoor Unit)

    Troubleshooting SiBE041011EC Thermistor or Related Abnormality (Indoor Unit) C4 , C9 Error Code Method of Error The temperatures detected by the thermistors determine thermistor errors. Detection Error Decision The voltage between the both ends of the thermistor is 4.96 V and more or 0.04 V and less during compressor operation.

  • Page 79: Refrigerant Shortage

    SiBE041011EC Troubleshooting Refrigerant Shortage Error Code Method of Error Refrigerant shortage is detected by checking the input current value and the compressor running frequency. If the refrigerant is short, the input current is lower than the normal value. Detection Error Decision The following conditions continue for 7 minutes.
  • Page 80 Troubleshooting SiBE041011EC Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.01 Refer to P.101 Any thermistor Replace the thermistor(s) disconnected? position. ∗ Discharge pipe thermistor ∗ Indoor or outdoor heat exchanger thermistor ∗...

  • Page 81: Low-Voltage Detection Or Over-Voltage Detection

    SiBE041011EC Troubleshooting Low-voltage Detection or Over-voltage Detection Error Code Method of Error Low-voltage detection: An abnormal voltage drop is detected by the DC voltage detection circuit. Detection Over-voltage detection: An abnormal voltage rise is detected by the over-voltage detection circuit. Error Decision Low-voltage detection: Conditions...
  • Page 82 Troubleshooting SiBE041011EC Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check the power supply voltage. Is the voltage fluctuation Correct the power supply. within ±10% from the rated value? Check the connection of the compressor harness.

  • Page 83: Signal Transmission Error (Between Indoor Unit And Outdoor Unit)

    SiBE041011EC Troubleshooting Signal Transmission Error (Between Indoor Unit and Outdoor Unit) Error Code Method of Error The data received from the outdoor unit in signal transmission is checked whether it is normal. Detection Error Decision The data sent from the outdoor unit cannot be received normally, or the content of the data is Conditions abnormal.
  • Page 84 Troubleshooting SiBE041011EC Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.11 Check the power supply voltage. Refer to P.102 Is the voltage fluctuation Correct the power supply. within ±10% from the rated value? Check the indoor unit - outdoor...

  • Page 85: Signal Transmission Error On Outdoor Unit Pcb (Rk(X)S60F3V1B, 71 Class Only)

    SiBE041011EC Troubleshooting Signal Transmission Error on Outdoor Unit PCB (RK(X)S60F3V1B, 71 Class Only) Error Code Method of Error Communication error between microcomputer mounted on the main microcomputer and PM1. Detection Error Decision The abnormality is determined when the data sent from the PM1 can not be received for 9 seconds.

  • Page 86: Unspecified Voltage (Between Indoor Unit And Outdoor Unit)

    Troubleshooting SiBE041011EC 4.10 Unspecified Voltage (Between Indoor Unit and Outdoor Unit) Error Code Method of Error The supply power is detected for its requirements (pair type is different from multi type) by the Detection indoor / outdoor transmission signal. Error Decision The pair type and multi type are interconnected.

  • Page 87: Outdoor Unit Pcb Abnormality

    SiBE041011EC Troubleshooting 4.11 Outdoor Unit PCB Abnormality Error Code Method of Error The system checks if the microprocessor is working in order. Detection The system checks if the zero-cross signal comes in properly. Error Decision The microprocessor program runs out of control. The zero-cross signal is not detected.
  • Page 88 Troubleshooting SiBE041011EC Troubleshooting RK(X)S60F3V1B9, RXS60F4V1B Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Turn on the power again. Continuously ON or OFF Is LED A blinking? Replace the outdoor unit PCB (main PCB).

  • Page 89: Ol Activation (Compressor Overload)

    SiBE041011EC Troubleshooting 4.12 OL Activation (Compressor Overload) Error Code Method of Error A compressor overload is detected through compressor OL. Detection Error Decision If the error repeats, the system is shut down. Reset condition: Continuous run for about 60 minutes without any other error Conditions Supposed Disconnection of discharge pipe thermistor...
  • Page 90 Troubleshooting SiBE041011EC Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.01 Refer to P.101 Discharge pipe thermistor Insert the thermistor in disconnected? position. Check No.12 Refer to P.102 Check No.

  • Page 91: Compressor Lock

    SiBE041011EC Troubleshooting 4.13 Compressor Lock Error Code Method of Error A compressor lock is detected by the current waveform generated when applying high- frequency voltage to the motor. Detection Error Decision If the error repeats, the system is shut down. Reset condition: Continuous run for about 5 minutes without any other error Conditions Supposed...

  • Page 92: Dc Fan Lock

    Troubleshooting SiBE041011EC 4.14 DC Fan Lock Error Code Method of Error An error is determined with the high-voltage fan motor rotation speed detected by the Hall IC. Detection Error Decision The fan does not start in 30 seconds even when the fan motor is running. If the error repeats, the system is shut down.

  • Page 93: Input Overcurrent Detection

    SiBE041011EC Troubleshooting 4.15 Input Overcurrent Detection Error Code Method of Error An input overcurrent is detected by checking the input current value with the compressor running. Detection Error Decision The current exceeds about 20 A for 2.5 seconds with the compressor running. (The upper limit of the current decreases when the outdoor temperature exceeds a certain Conditions level.)

  • Page 94: Four Way Valve Abnormality

    Troubleshooting SiBE041011EC 4.16 Four Way Valve Abnormality Error Code Method of Error The room temperature thermistor and the indoor heat exchanger thermistor are checked if they function within their normal ranges in each operation mode. Detection Error Decision A following condition continues over 1 minute after operating for 10 minutes. Conditions <Cooling / Dry>...
  • Page 95 SiBE041011EC Troubleshooting Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.01 Four way valve coil Refer to P.101 Correct the four way valve disconnected (loose)? coil. Check No.13 Refer to P.103 Harness disconnected? Reconnect the harness.

  • Page 96: Discharge Pipe Temperature Control

    Troubleshooting SiBE041011EC 4.17 Discharge Pipe Temperature Control Error Code Method of Error An error is determined with the temperature detected by the discharge pipe thermistor. Detection Error Decision If the temperature detected by the discharge pipe thermistor rises above A°C, the compressor stops.

  • Page 97: High Pressure Control In Cooling

    SiBE041011EC Troubleshooting 4.18 High Pressure Control in Cooling Error Code Method of Error High-pressure control (operation halt, frequency drop, etc.) is activated in cooling operation if the temperature sensed by the outdoor heat exchanger thermistor exceeds the limit. Detection Error Decision The temperature sensed by the outdoor heat exchanger thermistor rises above about 60 ~ 65°C (depending on the model).

  • Page 98: Compressor System Sensor Abnormality

    Troubleshooting SiBE041011EC 4.19 Compressor System Sensor Abnormality 4.19.1 RK(X)S60F3V1B, 71 Class Error Code Method of Error The system checks the power supply voltage and the DC voltage before the compressor starts. Detection The system checks the compressor current right after the compressor starts. Error Decision The power supply voltage and the DC voltage is obviously low or high.
  • Page 99 SiBE041011EC Troubleshooting 4.19.2 RK(X)S60F3V1B9, RXS60F4V1B Error Code Method of Error The system checks the DC current before the compressor starts. Detection Error Decision The voltage converted from the DC current before compressor start-up is out of the range 0.5 ~ 4.5 V. Conditions The DC voltage before compressor start-up is below 50 V.

  • Page 100: Position Sensor Abnormality

    Troubleshooting SiBE041011EC 4.20 Position Sensor Abnormality Error Code Method of Error A compressor start-up failure is detected by checking the compressor running condition through the position detection circuit. Detection Error Decision If the error repeats, the system is shut down. Reset condition: Continuous run for about 5 minutes without any other error Conditions Supposed...
  • Page 101 SiBE041011EC Troubleshooting Troubleshooting RK(X)S60F3V1B, 71 class Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.15 Refer to P.104 Turn off the power. Check No.18 Check the power supply voltage. Refer to P.106 Voltage as rated? Correct the power supply.
  • Page 102 Troubleshooting SiBE041011EC Troubleshooting RK(X)S60F3V1B9, RXS60F4V1B Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.15 Refer to P.104 Turn off the power. Check No.18 Check the power supply voltage. Refer to P.106 Voltage as rated? Correct the power supply.

  • Page 103: Ct Or Related Abnormality (Rk(X)S60F3V1B, 71 Class Only)

    SiBE041011EC Troubleshooting 4.21 CT or Related Abnormality (RK(X)S60F3V1B, 71 Class Only) Error Code Method of Error A CT or related error is detected by checking the compressor running frequency and CT- detected input current. Detection Error Decision The compressor running frequency is more than A Hz, and the CT input current is less than B A.
  • Page 104 Troubleshooting SiBE041011EC Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.15 Turn off the power. Then, turn on Refer to P.104 the power to restart the system. Start operation.

  • Page 105: Thermistor Or Related Abnormality (Outdoor Unit)

    SiBE041011EC Troubleshooting 4.22 Thermistor or Related Abnormality (Outdoor Unit) H9 , J3 , J6 , P4 Error Code Method of Error This fault is identified based on the thermistor input voltage to the microcomputer. A thermistor fault is identified based on the temperature sensed by each thermistor. Detection Error Decision The voltage between the both ends of the thermistor is above 4.96 V or below 0.04 V with...
  • Page 106 Troubleshooting SiBE041011EC In case of H9 , J3 , J6 Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.01 Refer to P.101 Turn on the power again. Error displayed Reconnect the connectors again on remote...

  • Page 107: Electrical Box Temperature Rise

    SiBE041011EC Troubleshooting 4.23 Electrical Box Temperature Rise Error Code Method of Error An electrical box temperature rise is detected by checking the radiation fin thermistor with the compressor off. Detection Error Decision With the compressor off, the radiation fin temperature is above A°C. The error is cleared when the radiation fin temperature drops below B°C.

  • Page 108: Radiation Fin Temperature Rise

    Troubleshooting SiBE041011EC 4.24 Radiation Fin Temperature Rise Error Code Method of Error A radiation fin temperature rise is detected by checking the radiation fin thermistor with the compressor on. Detection Error Decision If the radiation fin temperature with the compressor on is above A°C. The error is cleared when the radiation fin temperature drops below B°C.
  • Page 109 SiBE041011EC Troubleshooting Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.17 Turn off the power. Then, turn on Refer to P.106 the power to restart the system. Check No.19 Has the PCB been Error displayed again?

  • Page 110: Output Overcurrent Detection

    Troubleshooting SiBE041011EC 4.25 Output Overcurrent Detection Error Code Method of Error An output overcurrent is detected by checking the current that flows in the inverter DC section. Detection Error Decision A position signal error occurs while the compressor is running. A rotation speed error occurs while the compressor is running.
  • Page 111 SiBE041011EC Troubleshooting Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.15 ∗ An output overcurrent may result from wrong internal wiring. If the system is interrupted by an output Refer to P.104 overcurrent after the wires have been disconnected and reconnected for part replacement, check the wiring again.

  • Page 112: Check

    Check SiBE041011EC 5. Check Thermistor Resistance Check Check No.01 Disconnect the connectors of the thermistors from the PCB, and measure the resistance of each thermistor using a multimeter. The data is for reference purpose only. Thermistor temperature (°C) Resistance (kΩ) –20 197.8 –15...

  • Page 113: Indoor Fan Motor Connector Output Check

    SiBE041011EC Check Indoor Fan Motor Connector Output Check Check No.02 1. Check the connection of connector. 2. Check the motor power supply voltage output (pins 4 - 7). 3. Check the motor control voltage (pins 4 - 3). 4. Check the rotation command voltage (pins 4 - 2). 5.

  • Page 114: Four Way Valve Performance Check

    Check SiBE041011EC Four Way Valve Performance Check Check No.13 Turn off the power. Then, turn on the power to restart the system. ∗ Four way valve coil Start heating operation. Cooling / Dry: Not energized Heating: Energized voltage at 220 - 240 Replace the outdoor unit VAC with compressor PCB (main PCB).

  • Page 115: Inverter Analyzer Check

    SiBE041011EC Check Inverter Analyzer Check Check No.15 Characteristics Inverter analyzer: RSUK0917C If an abnormal stop occurs due to compressor startup failure or overcurrent output when using an inverter unit, it is difficult to judge whether the stop is caused by the compressor failure or some other failure (main PCB, power module, etc.).

  • Page 116: Rotation Pulse Check On The Outdoor Unit Pcb

    Check SiBE041011EC Diagnose method (Diagnose according to 6 LEDs lighting status.) (1) If all the LEDs are lit uniformly, the compressor is defective. → Replace the compressor. (2) If the LEDs are not lit uniformly, check the power module. → Refer to Check No.22. (3) If NG in Check No.22, replace the power module.

  • Page 117: Installation Condition Check

    SiBE041011EC Check Installation Condition Check Check No.17 Installation condition check Check the allowable dimensions of the air Change the installation suction and location or direction. discharge area. Is the discharged air Change the installation short-circuited? location or direction. Is the outdoor heat Clean the outdoor heat exchanger very dirty? exchanger.

  • Page 118: Outdoor Fan System Check

    Check SiBE041011EC 5.11 Outdoor Fan System Check Check No.19 DC motor Check the outdoor fan system. Fan motor Is the lead wire connector outdoor fan running? Go to Check No. 16. disconnected? Reconnect the connector. Outdoor fan system is functioning. (R21195) 5.12 Main Circuit Short Check Check No.20...

  • Page 119: Capacitor Voltage Check

    SiBE041011EC Check 5.13 Capacitor Voltage Check Check No.21 RK(X)S60F3V1B, 71 class only Before this check, be sure to check the main circuit for short circuit. With the circuit breaker still on, measure the voltage according to the drawing of the model in question.
  • Page 120 Check SiBE041011EC RK(X)S60F3V1B, 71 class Pin 7: Power module (–) Pin 6: Power module (+) Pin 3: Pin 4: Pin 5: (R21283) RK(X)S60F3V1B9, RXS60F4V1B (R22038) DC_N1: DC_P1: Power module (–) Power module (+) Service Diagnosis...

  • Page 121: Part 7 Trial Operation And Field Settings

    SiBE041011EC Part 7 Trial Operation and Field Settings 1. Pump Down Operation................111 2. Forced Cooling Operation ..............112 3. Trial Operation ..................113 4. Field Settings ..................114 4.1 Model Type Setting ................114 4.2 When 2 Units are Installed in 1 Room..........114 4.3 Facility Setting (Cooling at Low Outdoor Temperature) .......115 4.4 Jumper and Switch Settings..............116 5.

  • Page 122: Pump Down Operation

    Pump Down Operation SiBE041011EC 1. Pump Down Operation Outline In order to protect the environment, be sure to conduct pump down operation when relocating or disposing of the unit. Detail 1) Remove the valve caps from the liquid stop valve and the gas stop valve. 2) Carry out forced cooling operation.

  • Page 123: Forced Cooling Operation

    SiBE041011EC Forced Cooling Operation 2. Forced Cooling Operation Item Forced Cooling Conditions The forced cooling operation is allowed when both of the following conditions are met. 1) The outdoor unit is not abnormal and not in the 3-minute standby mode. 2) The outdoor unit is not operating.

  • Page 124: Trial Operation

    Trial Operation SiBE041011EC 3. Trial Operation Outline Carry out the trial operation in accordance with the operation manual to ensure that all functions and parts, such as flap movement, are working properly. Trial operation should be carried out in either cooling or heating operation. Detail 1.

  • Page 125: Field Settings

    SiBE041011EC Field Settings 4. Field Settings Model Type Setting The remote controller is common to the heat pump model and cooling only model. Set the DIP switch to the right position as shown in the illustration if the position of the DIP switch is wrong.

  • Page 126: Facility Setting (Cooling At Low Outdoor Temperature)

    Field Settings SiBE041011EC Facility Setting (Cooling at Low Outdoor Temperature) Outline This function is limited only for facilities (the target of air conditioning is equipment (such as computer)). Never use it in a residence or office (the space where there is a human). RK(X)S60F3V1B, You can expand the operation range to –15°C by turning on the switch (SW4-B) on the service monitor PCB.

  • Page 127: Jumper And Switch Settings

    SiBE041011EC Field Settings Jumper and Switch Settings Indoor Unit Function Jumper When connected When cut (factory setting) Fan speed setting when Fan speed setting ; The fan stops. compressor stops for Remote controller thermostat OFF. (effective only setting in cooling operation) Power failure recovery function Auto-restart The unit does not resume...

  • Page 128: Silicon Grease On Power Transistor / Diode Bridge

    Silicon Grease on Power Transistor / Diode Bridge SiBE041011EC 5. Silicon Grease on Power Transistor / Diode Bridge Outline Apply the specified silicon grease to the heat radiation part of a power transistor / diode bridge when you replace an outdoor unit PCB. The silicon grease encourages the heat radiation of a power transistor / diode bridge.

  • Page 129: Part 8 Appendix

    SiBE041011EC Part 8 Appendix 1. Piping Diagrams..................119 1.1 Indoor Unit....................119 1.2 Outdoor Unit ..................119 2. Wiring Diagrams..................122 2.1 Indoor Unit....................122 2.2 Outdoor Unit ..................123 Appendix...

  • Page 130: Piping Diagrams

    Piping Diagrams SiBE041011EC 1. Piping Diagrams Indoor Unit FTXS60GV1B FTXS71GV1B INDOOR UNIT INDOOR UNIT ( 7.9CuT ) ( 7.9CuT ) HEAT EXCHANGER HEAT EXCHANGER THERMISTOR ON HEAT EXCH. THERMISTOR ON HEAT EXCH. CROSS FLOW FAN FIELD PIPING ( 6.4CuT )
  • Page 131 SiBE041011EC Piping Diagrams RKS71FAV1B OUTDOOR UNIT HEAT EXCHANGER OUTDOOR TEMPERATURE 7.9CuT THERMISTOR 7.9CuT HEADER 7.9CuT 7.9CuT 7.9CuT 7.9CuT 7.9CuT HEAT EXCHANGER (CONDENSER) 7.9CuT THERMISTOR RECEIVER 4.0CuT 7.9CuT 9.5CuT 9.5CuT 9.5CuT 9.5CuT 9.5CuT FILTER MOTOR FILTER DISTRIBUTOR DC FAN MOTOR OPERATED VALVE CAPILLARY TUBE PROPELLER FAN...
  • Page 132 Piping Diagrams SiBE041011EC RXS60F4V1B OUTDOOR UNIT HEAT EXCHANGER OUTDOOR TEMPERATURE 7.9 CuT THERMISTOR 7.9 CuT 7.9 CuT 7.9 CuT 12.7 CuT 7.9 CuT CAPILLARY TUBE 1 7.9 CuT 4.0 CuT 7.9 CuT MUFFLER 7.9 CuT 4.0 CuT WITH 7.9 CuT REFRIGERANT FLOW FILTER CAPILLARY TUBE 2...

  • Page 133: Wiring Diagrams

    SiBE041011EC Wiring Diagrams 2. Wiring Diagrams Indoor Unit FTXS60/71GV1B PCB3 PCB1 LED1 OUTDOOR 3.15A C102 LED2 MR10 FIELD WIRING. LED3 C101 GRN/YLW TRANSMISSION CAUTION CIRCUIT NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF THE MAIN POWER SUPPLY t˚ IS TURNED OFF AND THEN BACK ON AGAIN. : BUZZER RTH1 C101, C102...

  • Page 134: Outdoor Unit

    Wiring Diagrams SiBE041011EC Outdoor Unit RKS60F3V1B MRM20 FU3 7 POWER SUPPLY MRM10 3.15A 6(P) 7(N) TO INDOOR UNIT Z6C X11A 3.15A PCB1 SHEET METAL S101 S80 1 1 S20 INDOOR FIELD WIRING t˚ t˚ t˚ S102 PCB2 (OUTDOOR) (DISCHARGE) LED A (CONDENSER) OUTDOOR Z1C~Z6C...
  • Page 135 SiBE041011EC Wiring Diagrams RKS60F3V1B9, RXS60F3V1B9, RXS60F4V1B FIELD WIRING indoor TO INDOOR UNIT POWER SUPPLY outdoor NOTE 1.REFER TO THE NAMEPLATE FOR THE POWER REQUIREMENTS. C7, C8 : CAPACITOR DB1, DB3 : DIODE BRIDGE IN CASE OF FU1, FU2, FU3 : FUSE (OUTDOOR) (DISCHARGE) COOLING ONLY TYPE...
  • Page 136 Wiring Diagrams SiBE041011EC RXS71FAV1B, RXS71FAV1B9, RXS71FAV1B8 POWER SUPPLY MRM20 3.15A V100 MRM10 6 ( P ) 7 ( N ) TO INDOOR UNIT X11A 3.15A PCB1 SHEET METAL S101 S80 1 INDOOR FIELD WIRING t˚ t˚ t˚ S102 PCB2 LED A ( OUTDOOR ) ( DISCHARGE ) ( CONDENSER )
  • Page 137 Revision History Month / Year Version Revised contents 03 / 2010 SiBE041011 First edition 12 / 2012 SiBE041011_A Model addition: RXS60F4V1B, RXS71FAV1B9 12 / 2013 SiBE041011EB Model addition: RXS71FAV1B8 07 / 2015 SiBE041011EC Model addition: RK(X)S60F3V1B9...
  • Page 138 Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion. Use only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or contractor to install those parts and accessories. Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage, electrical shock, fire or explosion.

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