Daikin FTXS60GV1B Service Manual
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Daikin FTXS60GV1B Service Manual

Inverter pair wall mounted type g-series
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See also: Operating Manual , Installation Manual
Service
Manual
Inverter Pair
Wall Mounted Type G-Series
SiBE041011_A
[Applied Models]
Inverter Pair : Cooling Only
Inverter Pair : Heat Pump

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Summary of Contents for Daikin FTXS60GV1B

  • Page 1 SiBE041011_A Service Manual Inverter Pair Wall Mounted Type G-Series [Applied Models] Inverter Pair : Cooling Only Inverter Pair : Heat Pump...
  • Page 2 SiBE041011_A Inverter Pair Wall Mounted Type G-Series Cooling Only Indoor Unit FTXS60GV1B FTXS71GV1B Outdoor Unit RKS60F3V1B RKS71FAV1B Heat Pump Indoor Unit FTXS60GV1B FTXS71GV1B Outdoor Unit RXS60F3V1B RXS60F4V1B RXS71FAV1B RXS71FAV1B9 The removal procedure for each model is separately bound. Refer to page 129 for the booklet number of applicable model.

  • Page 3: Table Of Contents

    SiBE041011_A 1. Introduction .....................v 1.1 Safety Cautions ..................v 1.2 Used Icons ....................ix Part 1 List of Functions ..............1 1. Functions....................2 1.1 Cooling Only.....................2 1.2 Heat Pump ....................3 Part 2 Specifications ..............5 1. Specifications ..................6 1.1 Cooling Only.....................6 1.2 Heat Pump ....................7 Part 3 Printed Circuit Board Connector Wiring Diagram .....
  • Page 4 SiBE041011_A 3.12 Malfunctions ...................52 Part 5 Remote Controller ............53 1. FTXS60/71GV1B ..................54 Part 6 Service Diagnosis............. 56 1. Troubleshooting with LED ..............58 1.1 Indoor Unit....................58 1.2 Outdoor Unit ...................58 2. Problem Symptoms and Measures ............59 3. Service Check Function ................60 4.
  • Page 5 SiBE041011_A 5.12 Main Circuit Short Check..............109 5.13 Capacitor Voltage Check..............110 5.14 Power Module Check ................110 Part 7 Trial Operation and Field Settings......... 112 1. Pump Down Operation................113 2. Forced Cooling Operation ..............114 3. Trial Operation ..................115 4. Field Settings ..................116 4.1 Model Type Setting ................116 4.2 When 2 Units are Installed in 1 Room..........116 4.3 Facility Setting (cooling at low outdoor temperature) ......117...

  • Page 6: Introduction

    Introduction SiBE041011_A 1. Introduction Safety Cautions Cautions and Be sure to read the following safety cautions before conducting repair work. The caution items are classified into “ Warning” and “ Caution”. The “ Warning” Warnings items are especially important since they can lead to death or serious injury if they are not followed closely.
  • Page 7 SiBE041011_A Introduction Warning Be sure to wear a safety helmet, gloves, and a safety belt when working at a high place (more than 2 m). Insufficient safety measures may cause a fall accident. In case of R-410A refrigerant models, be sure to use pipes, flare nuts and tools for the exclusive use of the R-410A refrigerant.
  • Page 8 Introduction SiBE041011_A 1.1.2 Cautions Regarding Safety of Users Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work. Never attempt to modify the equipment. The use of inappropriate parts or tools may cause an electrical shock, excessive heat generation or fire.
  • Page 9 SiBE041011_A Introduction Warning Check to make sure that the power cable plug is not dirty or loose, then insert the plug into a power outlet securely. If the plug has dust or loose connection, it may cause an electrical shock or fire. Be sure to install the product correctly by using the provided standard For unitary type installation frame.

  • Page 10: Used Icons

    Introduction SiBE041011_A Caution Be sure to measure the insulation resistance after the repair, and make sure that the resistance is 1 MΩ or higher. Faulty insulation may cause an electrical shock. Be sure to check the drainage of the indoor unit after the repair. Faulty drainage may cause the water to enter the room and wet the furniture and floor.

  • Page 11: Part 1 List Of Functions

    SiBE041011_A Part 1 List of Functions 1. Functions....................2 1.1 Cooling Only.....................2 1.2 Heat Pump ....................3 List of Functions...

  • Page 12: Functions

    Functions SiBE041011_A 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 13: Heat Pump

    SiBE041011_A Functions 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 14 Functions SiBE041011_A 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) — deodorizing function PAM control Titanium apatite photocatalytic...

  • Page 15: Part 2 Specifications

    SiBE041011_A Part 2 Specifications 1. Specifications ..................6 1.1 Cooling Only.....................6 1.2 Heat Pump ....................7 Specifications...

  • Page 16: Specifications

    Specifications SiBE041011_A 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 Btu/h 20,500 (5,800 ~ 22,900) 24,200 (7,800 ~ 29,000) Rated (Min.

  • Page 17: Heat Pump

    SiBE041011_A Specifications 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 18 Specifications SiBE041011_A 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...

  • Page 19: Part 3 Printed Circuit Board Connector Wiring Diagram

    SiBE041011_A Part 3 Printed Circuit Board Connector Wiring Diagram 1. Indoor Unit.....................10 2. Outdoor Unit..................12 2.1 RK(X)S60F3V1B, 71 Class ..............12 2.2 RXS60F4V1B ..................14 Printed Circuit Board Connector Wiring Diagram...

  • Page 20: Indoor Unit

    Indoor Unit SiBE041011_A 1. Indoor Unit PCB (1): Control 1) S1 Connector for fan motor 2) S21 Connector for centralized control (HA) 3) S25 Connector for INTELLIGENT EYE sensor PCB 4) S32 Connector for indoor heat exchanger thermistor 5) S41 Connector for swing motors 6) S46 Connector for display PCB...
  • Page 21 SiBE041011_A Indoor Unit PCB (2): Signal Receiver PCB 1) S48 Connector for control PCB 3P247309-1 PCB (3): Display 1) S49 Connector for control PCB 2) SW1 Forced cooling operation [ON/OFF] button ∗ Refer to page 114 for detail. 3) LED1 (H1P) LED for operation (green) 4) LED2 (H2P) LED for timer (yellow)

  • Page 22: Outdoor Unit

    Outdoor Unit SiBE041011_A 2. Outdoor Unit RK(X)S60F3V1B, 71 Class PCB (1): Main 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 6) S80...
  • Page 23 SiBE041011_A Outdoor Unit 71 Class (3.15A) E1 E2 (30A) V100 (white) (blue) S101 S20 S40 S70 2P229141-3 (3.15A) PCB (2): Service Monitor PCB 1) S52, S102 Connector for main PCB 2) LED A LED for service monitor (green) 3) SW1 Forced cooling operation ON/OFF button ∗...

  • Page 24: Rxs60F4V1B

    Outdoor Unit SiBE041011_A RXS60F4V1B PCB (1): Filter 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 25 SiBE041011_A Outdoor Unit PCB (2): Main 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 7) S80...

  • Page 26: Part 4 Function And Control

    SiBE041011_A Part 4 Function and Control 1. Main Functions..................17 1.1 Temperature Control ................17 1.2 Frequency Principle................17 1.3 Airflow Direction Control.................19 1.4 Fan Speed Control for Indoor Unit ............20 1.5 Program Dry Operation ................21 1.6 Automatic Operation................22 1.7 Thermostat Control.................23 1.8 NIGHT SET Mode ..................24 1.9 ECONO Operation .................25 1.10 INTELLIGENT EYE Operation ...............26 1.11 Inverter POWERFUL Operation .............27...

  • Page 27: Main Functions

    SiBE041011_A Main Functions 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 28 Main Functions SiBE041011_A Drawing of The following drawing shows a schematic view of the inverter principle: Inverter 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)

  • Page 29: Airflow Direction Control

    SiBE041011_A Main Functions 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 30: Fan Speed Control For Indoor Unit

    Main Functions SiBE041011_A 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 31: Program Dry Operation

    SiBE041011_A Main Functions 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 32: Automatic Operation

    Main Functions SiBE041011_A 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 33: Thermostat Control

    SiBE041011_A Main Functions 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 Condition 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 34: Night Set Mode

    Main Functions SiBE041011_A NIGHT SET Mode Outline When the OFF TIMER is set, the NIGHT SET Mode is automatically activated. The NIGHT SET Mode keeps the airflow rate setting. Detail The NIGHT SET Mode continues operation at the target temperature for the first one hour, then automatically raises the target temperature slightly in the case of cooling, or lowers it slightly in the case of heating.

  • Page 35: Econo Operation

    SiBE041011_A Main Functions ECONO Operation Outline ECONO operation reduces the maximum operating current and the power consumption. This operation is particularly convenient for energy-saving-oriented users. It is also a major bonus for those whose breaker capacities do not allow the use of multiple electrical devices and air conditioners.

  • Page 36: Intelligent Eye Operation

    Main Functions SiBE041011_A 1.10 INTELLIGENT EYE Operation Outline This function detects the existence 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 37: Inverter Powerful Operation

    SiBE041011_A Main Functions 1.11 Inverter POWERFUL Operation Outline In order to exploit the cooling and heating capacity to full extent, operate the air conditioner 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 38: Clock Setting

    Main Functions SiBE041011_A 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 39: Weekly Timer Operation

    SiBE041011_A 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 An example of WEEKLY TIMER settings is shown below.
  • Page 40 Main Functions SiBE041011_A 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 41 SiBE041011_A Main Functions 6. 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 9 when setting the OFF TIMER. 7.
  • Page 42 Main Functions SiBE041011_A Setting Displays Day and number ON/OFF Time Temperature NOTE Notes on WEEKLY TIMER operation • Do not forget to set the clock on the remote control first. • The day of the week, ON/OFF TIMER mode, time and set temperature (only for ON TIMER mode) can be set with WEEKLY TIMER.
  • Page 43 SiBE041011_A Main Functions Copy mode • A reservation made once can be copied 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 6:00...
  • Page 44 Main Functions SiBE041011_A 5. Press • The reservation will be copied to the selected day of the week. The whole reservation of the selected day of the week will be copied. • To continue copying the settings to other days of the week, repeat step 4 and step 5.
  • Page 45 SiBE041011_A Main Functions Confirming a reservation • The reservation can be confirmed. 1. 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 SiBE041011_A To delete reservations The individual reservation • Refer to setting mode. When selecting desired mode at step 4 in setting mode, select “blank”. The reservation will be deleted. The reservations for each day of the week • This function can be used for deleting reservations for each day of the week.

  • Page 47: Other Functions

    SiBE041011_A Main Functions 1.14 Other Functions 1.14.1 Hot-Start Function In order to prevent the cold air blast that normally comes when heating operation is started, the temperature of the indoor heat exchanger is detected, and the airflow is either stopped or made very weak thereby carrying out comfortable heating of the room.

  • Page 48: Function Of Thermistor

    Function of Thermistor SiBE041011_A 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

    SiBE041011_A Control Specification 3. Control Specification Mode Hierarchy Outline 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 Cooling (includes drying)

  • Page 50: Frequency Control

    Control Specification SiBE041011_A Frequency Control Outline Frequency is determined according to the difference between the room thermistor temperature and the target temperature. The function is explained as follows. 1. How to determine frequency 2. Frequency command from the indoor unit (Difference between the room thermistor temperature and the target temperature) 3.
  • Page 51 SiBE041011_A Control Specification 2. Determine upper limit frequency The minimum value is set as an upper limit frequency among the frequency upper limits of the following functions: Compressor protection, input current, discharge pipe temperature, heating peak-cut, freeze- up protection, defrost. 3.

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

    Control Specification SiBE041011_A Controls at Mode Changing / Start-up 3.3.1 Preheating Control Outline The inverter operation in open phase starts with the conditions of the preheating command from the indoor unit, the outdoor temperature, and the discharge pipe temperature. Detail RK(X)S60F3V1B, 71 class Outdoor temperature ≥...

  • Page 53: Compressor Protection Function

    SiBE041011_A Control Specification 3.3.3 Four Way Valve Operation Compensation Outline At the beginning of the operation as the four way valve is switched, the pressure difference to activate the four way valve is acquired by having output frequency which is more than a certain fixed frequency, for a certain fixed time.

  • Page 54: Discharge Pipe Temperature Control

    Control Specification SiBE041011_A 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

    SiBE041011_A Control Specification Input Current Control Outline The microcomputer calculates the input current while the compressor is running, and sets the frequency upper limit from the input current. In case of heat pump models, this control which is the upper limit control of the frequency takes priority over the lower limit of control of four way valve operation compensation.

  • Page 56: Freeze-Up Protection Control

    Control Specification SiBE041011_A Freeze-up Protection Control Outline During cooling operation, the signal sent from the indoor unit controls the operating frequency limitation and prevents freezing of the indoor heat exchanger. (The signal from the indoor unit is divided into zones.) Detail The operating frequency limitation is judged with the indoor heat exchanger temperature.

  • Page 57: Outdoor Fan Control

    SiBE041011_A 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 SiBE041011_A 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. 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

    SiBE041011_A 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 SiBE041011_A 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 equalization is developed. 3.11.2 Pressure Equalizing Control When the compressor is stopped, the pressure equalizing control is activated. The electronic expansion valve opens, and develops the pressure equalization.
  • Page 61 SiBE041011_A Control Specification 3.11.7 Control for Disconnection of the Discharge Pipe Thermistor 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 SiBE041011_A 3.12 Malfunctions 3.12.1 Sensor Malfunction Detection Sensor malfunction may occur in the thermistor. Relating to Thermistor Malfunction 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

    SiBE041011_A Part 5 Remote Controller 1. FTXS60/71GV1B ..................54 Remote Controller...

  • Page 64: Ftxs60/71Gv1B

    1 POWERFUL operation P.27 2 Model Type Setting P.116 Note: Refer to the operation manual of applicable model for detail. You can download operation manual from ‘DISTRIBUTOR’S PAGE’: DISTRIBUTOR’S PAGE → Product Information → Operation/Installation Manual (URL: http://global.daikin.com/Daikin/global/Distributors_admin/user_mng/login.php) Remote Controller...

  • Page 65: Mode Button

    P.29 5 ECONO operation P.25 8 Clock setting P.28 Note: Refer to the operation manual of applicable model for detail. You can download operation manual from ‘DISTRIBUTOR’S PAGE’: DISTRIBUTOR’S PAGE → Product Information → Operation/Installation Manual (URL: http://global.daikin.com/Daikin/global/Distributors_admin/user_mng/login.php) Remote Controller...

  • Page 66: Part 6 Service Diagnosis

    SiBE041011_A Part 6 Service Diagnosis 1. Troubleshooting with LED ..............58 1.1 Indoor Unit....................58 1.2 Outdoor Unit ...................58 2. Problem Symptoms and Measures ............59 3. Service Check Function ................60 4. Troubleshooting ..................63 4.1 Error Codes and Description ..............63 4.2 Indoor Unit PCB Abnormality ..............64 4.3 Freeze-up Protection Control or Heating Peak-cut Control....65 4.4 Fan Motor (DC Motor) or Related Abnormality........66 4.5 Thermistor or Related Abnormality (Indoor Unit)........68...
  • Page 67 SiBE041011_A 5.13 Capacitor Voltage Check..............110 5.14 Power Module Check ................110 Service Diagnosis...

  • Page 68: Troubleshooting With Led

    Troubleshooting with LED SiBE041011_A 1. 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 69: Problem Symptoms And Measures

    SiBE041011_A Problem Symptoms and Measures 2. Problem Symptoms and Measures Symptom Check Item Details of Measure 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 70: Service Check Function

    Service Check Function SiBE041011_A 3. Service Check Function 1. When the timer cancel button is held down for 5 seconds, 00 is displayed on the temperature Check 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 SiBE041011_A Service Check Function Check 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] button and change the number until you hear the two consecutive beeps or the long beep.
  • Page 72 Service Check Function SiBE041011_A 5. Press the [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

    SiBE041011_A 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 SiBE041011_A 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 Or Heating Peak-Cut Control

    SiBE041011_A Troubleshooting Freeze-up Protection Control or 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 SiBE041011_A 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 SiBE041011_A Troubleshooting Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.02 Turn off the power supply Refer to P.103 and rotate the fan by hand. Does the fan Replace the indoor rotate smoothly? fan motor.

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

    Troubleshooting SiBE041011_A 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 thermistor input is more than 4.96 V or less than 0.04 V during compressor operation. Conditions Supposed Disconnection of connector...

  • Page 79: Refrigerant Shortage

    SiBE041011_A Troubleshooting Refrigerant Shortage Error Code Method of Error Refrigerant shortage detection I: Refrigerant shortage is detected by checking the input current value and the compressor Detection running frequency. If the refrigerant is short, the input current is lower than the normal value. Refrigerant shortage detection II: Refrigerant shortage is detected by checking the discharge pipe temperature and the opening of the electronic expansion valve.
  • Page 80 Troubleshooting SiBE041011_A 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.102 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

    SiBE041011_A 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 SiBE041011_A Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Is the power Correct the power supply. supply voltage as rated? Is the compressor harness loose or Reconnect the compressor disconnected? harness.

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

    SiBE041011_A 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 SiBE041011_A Troubleshooting Be sure to turn off the power switch before connecting or disconnecting Caution connectors, or parts may be damaged. Check No.11 Refer to P.103 Check the power supply voltage. Voltage as rated? Correct the power supply. Check the indoor unit - outdoor unit connection wires.

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

    SiBE041011_A 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 SiBE041011_A 4.10 Unspecified Voltage (between Indoor Unit and Outdoor Unit) Error Code Method of Error The supply power is detected for its requirements (different from pair type and multi type) by the indoor / outdoor transmission signal. Detection Error Decision The pair type and multi type are interconnected.

  • Page 87: Outdoor Unit Pcb Abnormality

    SiBE041011_A Troubleshooting 4.11 Outdoor Unit PCB Abnormality Error Code Method of Error The system checks if the microprocessor is working in order. The system checks if the zero-cross signal comes in properly. Detection Error Decision The microprocessor program runs out of control. The zero-cross signal is not detected.
  • Page 88 Troubleshooting SiBE041011_A Troubleshooting 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. Replace the outdoor unit Is LED A blinking? PCB (2). Check to see if the outdoor unit is grounded.

  • Page 89: Ol Activation (Compressor Overload)

    SiBE041011_A 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 SiBE041011_A 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.102 Discharge pipe thermistor Insert the thermistor in disconnected? position. Check No.12 Refer to P.104 Check No.

  • Page 91: Compressor Lock

    SiBE041011_A Troubleshooting 4.13 Compressor Lock Error Code Method of Error A compressor lock is detected by checking the compressor running condition through the position detection circuit. Detection Error Decision A compressor lock is detected by the current waveform generated when applying high- frequency voltage to the motor.

  • Page 92: Dc Fan Lock

    Troubleshooting SiBE041011_A 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

    SiBE041011_A 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 SiBE041011_A 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. Cooling / Dry Conditions (room thermistor temp.
  • Page 95 SiBE041011_A 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.102 Correct the four way valve disconnected (loose)? coil. Check No.13 Refer to P.105 Harness out of connector? Reconnect the harness.

  • Page 96: Discharge Pipe Temperature Control

    Troubleshooting SiBE041011_A 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

    SiBE041011_A 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 SiBE041011_A 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 SiBE041011_A Troubleshooting 4.19.2 RXS60F4V1B Error Code Method of Error The system checks the DC current before the compressor starts. Detection Error Decision The DC current before compressor start-up is out of the range 0.5 ~ 4.5 V (sensor output Conditions converted to voltage value) The DC voltage before compressor start-up is below 50 V.

  • Page 100: Position Sensor Abnormality

    Troubleshooting SiBE041011_A 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 SiBE041011_A 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.106 Turn off the power. Check No.18 Check the power supply voltage. Refer to P.108 Voltage as rated? Correct the power supply.
  • Page 102 Troubleshooting SiBE041011_A Troubleshooting 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.106 Turn off the power. Check No.18 Check the power supply voltage. Refer to P.108 Voltage as rated? Correct the power supply.

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

    SiBE041011_A 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 SiBE041011_A 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 and turn it on Refer to P.106 again. Check No.21 Start operation. Refer to P.110 ∗...

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

    SiBE041011_A 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 thermistor input voltage is above 4.96 V or below 0.04 V with the power on.
  • Page 106 Troubleshooting SiBE041011_A 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.102 Turn on the power again. Error displayed Reconnect the connectors again on remote...

  • Page 107: Electrical Box Temperature Rise

    SiBE041011_A 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 SiBE041011_A 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 SiBE041011_A 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 and turn it on Refer to P.108 again to start the system. Check No.19 Refer to P.109 Has the PCB been...

  • Page 110: Output Overcurrent Detection

    Troubleshooting SiBE041011_A 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 speed error occurs while the compressor is running.
  • Page 111 SiBE041011_A 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.106 overcurrent after the wires have been disconnected and reconnected for part replacement, check the wiring again.

  • Page 112: Check

    Check SiBE041011_A 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 tester. The relationship between normal temperature and resistance is shown in the table and the graph below.

  • Page 113: Fan Motor Connector Output Check

    SiBE041011_A Check 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: Electronic Expansion Valve Check

    Check SiBE041011_A Electronic Expansion Valve Check Check No.12 Conduct the followings to check the electronic expansion valve (EV). 1. Check to see if the EV connector is correctly connected to the PCB. 2. Turn the power off and on again, and check to see if the EV generates a latching sound. 3.

  • Page 115: Four Way Valve Performance Check

    SiBE041011_A Check Four Way Valve Performance Check Check No.13 Turn the power off and then on again. ∗ Four way valve coil Start heating operation. Cooling / Dry : No continuity Heating : Continuity voltage at 220 - 240 Replace the outdoor unit VAC with compressor PCB.

  • Page 116: Inverter Analyzer Check

    Check SiBE041011_A 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 117: Rotation Pulse Check On The Outdoor Unit Pcb

    SiBE041011_A Check 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 118: Installation Condition Check

    Check SiBE041011_A 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 119: Outdoor Fan System Check

    SiBE041011_A Check 5.11 Outdoor Fan System Check Check No.19 DC motor Check the outdoor fan system. Fan motor lead wire connector Outdoor fan running? Reconnect the connector. disconnected? Go to Check No. 16. Outdoor fan system is functioning. (R15001) 5.12 Main Circuit Short Check Check No.20 RXS60F4V1B only Note:...

  • Page 120: Capacitor Voltage Check

    Check SiBE041011_A 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 121 SiBE041011_A Check RK(X)S60F3V1B, 71 class ∗ The illustration is for 71 class as representative. Power module (R16073) RXS60F4V1B Power module (R16692) Service Diagnosis...

  • Page 122: Part 7 Trial Operation And Field Settings

    SiBE041011_A Part 7 Trial Operation and Field Settings 1. Pump Down Operation................113 2. Forced Cooling Operation ..............114 3. Trial Operation ..................115 4. Field Settings ..................116 4.1 Model Type Setting ................116 4.2 When 2 Units are Installed in 1 Room..........116 4.3 Facility Setting (cooling at low outdoor temperature) ......117 4.4 Jumper and Switch Settings..............118 5.

  • Page 123: Pump Down Operation

    SiBE041011_A Pump Down Operation 1. Pump Down Operation Outline In order to protect the environment, be sure to conduct pump down operation when relocating or disposing 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 124: Forced Cooling Operation

    Forced Cooling Operation SiBE041011_A 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 125: Trial Operation

    SiBE041011_A Trial Operation 3. Trial Operation Outline 1. Measure the power supply voltage and make sure that it falls within the specified range. 2. Trial operation should be carried out in either cooling or heating operation. 3. 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.

  • Page 126: Field Settings

    Field Settings SiBE041011_A 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 127: Facility Setting (Cooling At Low Outdoor Temperature)

    SiBE041011_A Field Settings 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 128: Jumper And Switch Settings

    Field Settings SiBE041011_A Jumper and Switch Settings Indoor Unit Function Jumper When connected When cut (factory set) Fan speed setting when Fan speed setting ; Fan speed setting; “0” (The fan compressor stops for Remote controller stops.) thermostat OFF. (effective only setting in cooling operation) Power failure recovery function...

  • Page 129: Silicon Grease On Power Transistor / Diode Bridge

    SiBE041011_A Silicon Grease on Power Transistor / Diode Bridge 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 130: Part 8 Appendix

    SiBE041011_A Part 8 Appendix 1. Piping Diagrams..................121 1.1 Indoor Unit....................121 1.2 Outdoor Unit ..................122 2. Wiring Diagrams..................125 2.1 Indoor Unit....................125 2.2 Outdoor Unit ..................126 3. Removal Procedure (Booklet No.) ............129 Appendix...

  • Page 131: Piping Diagrams

    SiBE041011_A Piping Diagrams 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 132: Outdoor Unit

    Piping Diagrams SiBE041011_A Outdoor Unit 1.2.1 Cooling Only RKS60F3V1B OUTDOOR UNIT 7.9CuT HEAT EXCHANGER OUTDOOR AIR TEMPERATURE THERMISTOR 7.9CuT 7.9CuT 7.9CuT CAPILLARY TUBE 1 12.7CuT 7.9CuT MUFFLER 7.9CuT 4.0CuT 7.9CuT WITH 7.9CuT 4.0CuT 7.9CuT FILTER REFRIGERANT FLOW 6.4CuT CAPILLARY TUBE 2 COOLING 7.9CuT CAPILLARY TUBE 3...
  • Page 133 SiBE041011_A Piping Diagrams 1.2.2 Heat Pump RXS60F3V1B OUTDOOR UNIT HEAT EXCHANGER 7.9CuT OUTDOOR TEMPERATURE THERMISTOR 7.9CuT 7.9CuT 7.9CuT CAPILLARY TUBE 1 12.7CuT 7.9CuT MUFFLER 7.9CuT 4.0CuT 7.9CuT WITH 7.9CuT 4.0CuT 7.9CuT FILTER REFRIGERANT FLOW CAPILLARY TUBE 2 6.4CuT COOLING 7.9CuT CAPILLARY TUBE 3 4.0CuT HEATING...
  • Page 134 Piping Diagrams SiBE041011_A RXS71FAV1B, RXS71FAV1B9 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 ELECTRONIC RECEIVER EXPANSION 4.0CuT VALVE 7.9CuT 9.5CuT 9.5CuT 9.5CuT 9.5CuT 9.5CuT DISTRIBUTOR FILTER FILTER DC FAN MOTOR CAPILLARY TUBE...

  • Page 135: Wiring Diagrams

    SiBE041011_A Wiring Diagrams 2. Wiring Diagrams Indoor Unit FTXS60/71GV1B PCB3 PCB1 LED1 OUTDOOR 3.15A C102 LED2 MR10 FIELD WIRING. LED3 GRN / C101 TRANSMISSION CIRCUIT CAUTION NOTE THAT OPERATION WILL RESTART t˚ AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN. RTH1 : BUZZER C101, C102 : CAPACITOR...

  • Page 136: Outdoor Unit

    Wiring Diagrams SiBE041011_A Outdoor Unit 2.2.1 Cooling Only 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)
  • Page 137 SiBE041011_A Wiring Diagrams 2.2.2 Heat Pump RXS60F3V1B 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...
  • Page 138 Wiring Diagrams SiBE041011_A RXS71FAV1B, RXS71FAV1B9 MRM20 POWER SUPPLY 3.15A V100 MRM10 6 ( P ) 7 ( N ) TO INDOOR UNIT X11A 3.15A PCB1 SHEET METAL S101 INDOOR FIELD WIRING t˚ t˚ t˚ S102 PCB2 ( OUTDOOR ) ( DISCHARGE ) LED A ( CONDENSER ) OUTDOOR...

  • Page 139: Removal Procedure (Booklet No.)

    SiBE041011_A Removal Procedure (Booklet No.) 3. Removal Procedure (Booklet No.) Refer to the following booklets for removal procedure. ∗FTXS60/71GV1B Refer to Si041255_A. ∗RK(X)S60F3V1B Refer to SiBE041011. ∗RXS60F4V1B Refer to Si001274. ∗RK(X)S71FAV1B Refer to SiBE041011. ∗RXS71FAV1B9 Refer to Si001271_A. Appendix...
  • Page 140 Revision History Month / Year Version Revised contents 03 / 2010 SiBE041011 First edition 12 / 2012 SiBE041011_A Model addition: RXS60F4V1B, RXS71FAV1B9...
  • Page 141 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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