Table of Contents
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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SERVICE MANUAL
Outdoor unit
[Model name]
PUHZ-ZRP35VKA
PUHZ-ZRP50VKA
PUHZ-ZRP60VHA
PUHZ-ZRP71VHA
PUHZ-ZRP100VKA
PUHZ-ZRP125VKA
PUHZ-ZRP140VKA
PUHZ-ZRP100YKA
PUHZ-ZRP125YKA
PUHZ-ZRP140YKA
PUHZ-ZRP35VKA
PUHZ-ZRP50VKA
R410A
[Service Ref.]
PUHZ-ZRP35VKA
PUHZ-ZRP50VKA
PUHZ-ZRP60VHA
PUHZ-ZRP71VHA
PUHZ-ZRP100VKA
PUHZ-ZRP125VKA
PUHZ-ZRP140VKA
PUHZ-ZRP100YKA
PUHZ-ZRP100YKAR1
PUHZ-ZRP125YKA
PUHZ-ZRP125YKAR1
PUHZ-ZRP140YKA
PUHZ-ZRP140YKAR1
REVISED EDITION-B
Revision:
• PUHZ-ZRP100/125/140YKAR1
have been added in REVISED
EDITION-B.
• Some descriptions have been
modified.
• Please void OCH527
REVISED EDITION-A.
Note:
• This manual describes only
service data of the outdoor
units.
• RoHS compliant products have
<G> mark on the spec name
plate.
CONTENTS
1. TECHNICAL CHANGES ································ 2
2. REFERENCE MANUAL ································· 2
3. SAFETY PRECAUTION ································· 2
4. FEATURES ····················································· 6
5. SPECIFICATIONS ·········································· 7
6. DATA ······························································· 9
7. OUTLINES AND DIMENSIONS ··················· 13
8. WIRING DIAGRAM ······································ 16
9. WIRING SPECIFICATIONS ·························· 21
10. REFRIGERANT SYSTEM DIAGRAM ············· 26
11. TROUBLESHOOTING ·································· 29
12. FUNCTION SETTING ··································· 95
14. EASY MAINTENANCE FUNCTION ··········· 119
15. DISASSEMBLY PROCEDURE ··················· 126
PARTS CATALOG (OCB527)
July 2013
No.OCH527
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Table of Contents
Related Manuals for Mitsubishi Electric Mr.Slim PUHZ-ZRP125YKA
Summarization of Contents
3 SAFETY PRECAUTION
3-1. ALWAYS OBSERVE FOR SAFETY
Emphasizes disconnecting power before accessing terminals.
3-2. CAUTIONS RELATED TO NEW REFRIGERANT
Lists precautions for units using R410A refrigerant.
3-3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES
[3] Service tools
Lists exclusive service tools required for R410A refrigerant.
[4] Refrigerant leakage detection function
Explains the function for detecting refrigerant leaks over time.
3 SAFETY PRECAUTION
(2) Cautions for refrigerant piping work
Details precautions for refrigerant piping work with R410A.
4 FEATURES
CHARGELESS SYSTEM
Describes the system that supplies pre-charged refrigerant for piping length at shipment.
5 SPECIFICATIONS
OUTDOOR UNIT REFRIGERANT PIPING
Details specifications related to refrigerant piping for the outdoor units.
6 DATA
6-1. REFILLING REFRIGERANT CHARGE (R410A : kg) PUHZ-ZRP35-140
Provides refrigerant charge data based on piping length for specific models.
6-2. COMPRESSOR TECHNICAL DATA
Lists technical data for compressors, including winding resistance.
7 OUTLINES AND DIMENSIONS
PUHZ-ZRP35VKA PUHZ-ZRP50VKA
Shows outlines and dimensions for specific PUHZ-ZRP models.
Free space around the outdoor unit (basic example)
Illustrates recommended clearance around the outdoor unit for proper operation and service.
FOUNDATION BOLTS
Provides guidance on securing the unit with foundation bolts.
7 OUTLINES AND DIMENSIONS
PUHZ-ZRP60VHA PUHZ-ZRP71VHA
Shows outlines and dimensions for specific PUHZ-ZRP models.
Piping Knockout Hole Details
Shows the dimensions and locations of various knockout holes for piping and wiring.
7 OUTLINES AND DIMENSIONS
PUHZ-ZRP100VKA PUHZ-ZRP125VKA PUHZ-ZRP140VKA PUHZ-ZRP100YKA PUHZ-ZRP125YKA PUHZ-ZRP140YKA PUHZ-ZRP100YKAR1 PUHZ-ZRP125YKAR1 PUHZ-ZRP140YKAR1
Displays outlines and dimensions for a range of PUHZ-ZRP models.
Piping Knockout Hole Details
Shows the dimensions of various holes for routing pipes and wires.
8 WIRING DIAGRAM
MODEL SELECT
Explains the model selection procedure using DIP switches.
9 WIRING SPECIFICATIONS
9-1. FIELD ELECTRICAL WIRING (power wiring specifications)
Details power wiring specifications including wire size, circuit rating, and breaker capacity.
Warning
Highlights a critical warning about high voltage on S3 terminal during A-control wiring.
9 WIRING SPECIFICATIONS
9-2. SEPARATE INDOOR UNIT/ OUTDOOR UNIT POWER SUPPLIES
Describes connection patterns for separate power supplies to indoor and outdoor units.
9-4. M-NET WIRING METHOD
(Points to note)
Lists important considerations for M-NET wiring to prevent noise and malfunctions.
9-4. M-NET WIRING METHOD
9-4-1. M-NET address setting
Details how to set the M-NET address for outdoor units using rotary switches.
9-4-2. Refrigerant address setting
Describes how to set refrigerant addresses using DIP switches on the outdoor controller board.
10 REFRIGERANT SYSTEM DIAGRAM
PUHZ-ZRP35VKA PUHZ-ZRP50VKA
Shows the refrigerant system diagram for specific PUHZ-ZRP models.
PUHZ-ZRP60VHA PUHZ-ZRP71VHA
Illustrates the refrigerant system diagram for other PUHZ-ZRP models.
10 REFRIGERANT SYSTEM DIAGRAM
PUHZ-ZRP100VKA PUHZ-ZRP125VKA PUHZ-ZRP140VKA PUHZ-ZRP100YKA PUHZ-ZRP125YKA PUHZ-ZRP140YKA PUHZ-ZRP100YKAR1 PUHZ-ZRP125YKAR1 PUHZ-ZRP140YKAR1
Displays refrigerant system diagrams for various PUHZ-ZRP models.
10-2. START AND FINISH OF TEST RUN
Operation from the outdoor unit
Describes how to start and stop test runs and set modes using outdoor unit DIP switches.
11 TROUBLESHOOTING
11-1. TROUBLESHOOTING
Provides a summary of error code displays and corresponding actions.
11-2. CHECK POINT UNDER TEST RUN
Lists checks to perform before and during test runs for proper operation.
11-2-1. Before test run
Specifies pre-test run checks like refrigerant leak detection and polarity.
11 TROUBLESHOOTING
11-2-2. Test run for wired remote controller
Details the procedure for performing a test run using a wired remote controller.
11 TROUBLESHOOTING
11-2-3. Test run for wired remote controller
Explains test run procedures for a specific wired remote controller model.
11 TROUBLESHOOTING
11-2-4. Test run for wireless remote controller
Outlines the steps for conducting a test run using a wireless remote controller.
11 TROUBLESHOOTING
11-3. HOW TO PROCEED "SELF-DIAGNOSIS"
Guides users on how to access and perform self-diagnosis functions.
11-3-1. Self-diagnosis
Details the self-diagnosis procedure for specific remote controller models.
11 TROUBLESHOOTING
11-3-2. Remote controller check
Explains how to check the functionality of the remote controller.
11 TROUBLESHOOTING
11-3-3. Self-diagnosis
Describes the self-diagnosis process for a particular remote controller model.
11-3-4. Self-Diagnosis During Maintenance or Service
Covers self-diagnosis procedures for maintenance and service.
11 TROUBLESHOOTING
11-3-5. Remote controller check
Details how to perform a remote controller check for troubleshooting.
11 TROUBLESHOOTING
11-3-6. Self-diagnosis
Explains self-diagnosis for wireless remote controllers during malfunctions.
11 TROUBLESHOOTING
11-4. SELF-DIAGNOSIS ACTION TABLE
Provides actions based on error codes detected when power is applied.
11 TROUBLESHOOTING
11-5. TROUBLESHOOTING OF PROBLEMS
Lists common phenomena and their countermeasures, categorized by indoor/outdoor unit.
11 TROUBLESHOOTING
U2 (TH4:1102) (TH32:1132) High discharging temperature
Details issues with high discharging temperature and compressor surface temperature.
U3 (TH4:5104) (TH32:5132) Open/short circuit of discharge temperature thermistor (TH4) / comp. surface thermistor (TH32)
Addresses errors related to open/short circuits in discharge and compressor surface thermistors.
11 TROUBLESHOOTING
U4 (TH3:5105) (TH6:5107) (TH7:5106) (TH8:5110) Open/short of outdoor unit thermistors (TH3, TH6, TH7, and TH8)
Covers errors related to open/short circuits in various outdoor unit thermistors.
U5 (4230) Temperature of heatsink
Discusses errors related to abnormal heatsink temperatures and potential causes.
U6 (4250) Power module
Addresses issues related to the power module and overcurrent detection.
11 TROUBLESHOOTING
U9 (4220) Detailed codes
Provides details on error codes related to voltage and current sensing for the outdoor unit.
11 TROUBLESHOOTING
U9 (4220) Detailed codes
Continues details on error codes related to voltage, current sensing, and PFC/IGBT errors.
UH (5300) Current sensor error
Addresses errors related to the current sensor function.
UF (4100) Compressor overcurrent interruption (When compressor locked)
Details errors related to compressor overcurrent interruption.
Ud (UD)* (1504) Over heat protection
Covers errors related to overheat protection, specifically for outdoor pipe thermistors.
11 TROUBLESHOOTING
UL (1300) Low pressure
Discusses errors related to low pressure conditions during heating or cooling operation.
UP (4210) Compressor overcurrent interruption
Details errors related to compressor overcurrent interruption.
E0 or E4 Remote controller transmission error (E0)/signal receiving error (E4)
Addresses errors related to remote controller communication failures.
11 TROUBLESHOOTING
E1 or E2 Remote controller control board
Covers errors related to the remote controller's control board and clock function.
E6 (6840) Indoor/outdoor unit communication error (Signal receiving error)
Details errors related to indoor/outdoor unit communication failures.
E7 Indoor/outdoor unit communication error (Transmitting error)
Addresses errors related to indoor/outdoor unit communication transmitting failures.
11 TROUBLESHOOTING
E9 (6841) Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
Covers errors related to outdoor unit communication transmitting failures.
EF (6607 or 6608) Non defined error code
Discusses errors for which no specific code is defined.
Ed (0403) Serial communication error
Addresses errors related to serial communication between boards.
P8 Pipe temperature
Details errors related to pipe temperature readings and their causes.
11 TROUBLESHOOTING
PL Abnormal refrigerant circuit
Discusses issues related to the refrigerant circuit and abnormal operation conditions.
A0 (6600) Address duplicate definition
Covers errors arising from duplicate address definitions in the system.
A2 (6602) Hard ware error of transmission processor
Addresses hardware errors in the transmission processor.
A3 (6603) BUS BUSY
Details errors related to bus busy conditions, likely due to collision or noise.
11 TROUBLESHOOTING
A7 (6607) NO ACK signal
Discusses errors when a transmitting controller does not receive a reply (ACK) from another unit.
11 TROUBLESHOOTING
11-5. TROUBLESHOOTING OF PROBLEMS
Addresses issues like remote controller not working or abnormal displays.
11 TROUBLESHOOTING
11-5. TROUBLESHOOTING OF PROBLEMS
Covers issues related to blower operation, airflow direction, and unit response.
11 TROUBLESHOOTING
11-5. TROUBLESHOOTING OF PROBLEMS
Discusses troubleshooting steps for "PLEASE WAIT" display issues.
11 TROUBLESHOOTING
11-5. TROUBLESHOOTING OF PROBLEMS
Provides troubleshooting for "Nothing is displayed on the remote controller" related to power supply.
11 TROUBLESHOOTING
11-5. TROUBLESHOOTING OF PROBLEMS
Continues troubleshooting for "Nothing is displayed on the remote controller" related to wiring and refrigerant address.
11 TROUBLESHOOTING
11-5. TROUBLESHOOTING OF PROBLEMS
Addresses "Nothing is displayed on the remote controller" related to voltage and LED status.
11 TROUBLESHOOTING
Symptoms: “PLEASE WAIT” is kept being displayed on the remote controller.
Troubleshoots persistent "PLEASE WAIT" messages on the remote controller display.
11 TROUBLESHOOTING
Symptoms: Nothing is displayed on the remote controller
Addresses issues where the remote controller display is blank.
11 TROUBLESHOOTING
Symptoms: The airflow direction is changed during COOL operation.
Explains why airflow direction might change during cooling operation.
Symptoms: The airflow direction is changed during HEAT operation.
Details automatic airflow direction changes during heating operation.
11 TROUBLESHOOTING
Symptoms: A white mist is expelled from the indoor unit.
Explains the cause of white mist expulsion from the indoor unit, often due to high humidity.
11-6. HOW TO CHECK THE PARTS
Thermistor (TH3)
Details resistance values for checking the outdoor pipe thermistor.
Motor for compressor (MC)
Explains how to check the compressor motor resistance.
Linear expansion valve (LEV-A/LEV-B) (For ZRP35-71)
Guides on checking linear expansion valve coil resistance.
11-6. HOW TO CHECK THE PARTS
Check method of DC fan motor (fan motor / outdoor controller circuit board)
Outlines the procedure for checking the DC fan motor and its connection to the controller board.
11-6. HOW TO CHECK THE PARTS
Low temperature thermistors
Details resistance characteristics of low temperature thermistors (TH3, TH6, TH7, TH33).
Medium temperature thermistor
Details resistance characteristics of the medium temperature thermistor (TH8).
High temperature thermistor
Details resistance characteristics of high temperature thermistors (TH4, TH32).
11-6. HOW TO CHECK THE PARTS
Linear expansion valve (ZRP35-ZRP71)
Explains the operation and connection of the linear expansion valve.
11-6. HOW TO CHECK THE PARTS
Linear expansion valve (ZRP100-ZRP140)
Details the operation and connection of the linear expansion valve for larger models.
11-6. HOW TO CHECK THE PARTS
(3) How to attach and detach the coil of linear expansion valve (ZRP35-ZRP71)
Provides instructions on attaching and detaching the linear expansion valve coil.
11-6. HOW TO CHECK THE PARTS
(4) How to attach and detach the coil of linear expansion valve (ZRP100-ZRP140)
Details how to attach and detach the linear expansion valve coil for larger models.
11-8. EMERGENCY OPERATION
(1) When the error codes shown below are displayed on outdoor unit or microcomputer for wired remote controller or indoor unit has a failure, but no other problems are found, emergency operation will be available by setting the emergency operation switch (SWE) on indoor controller board to ON and short-circuiting the connector (CN31) on outdoor controller board.
Explains conditions under which emergency operation is available due to specific error codes.
(2) Check the following items and cautions for emergency operation
Lists checks and cautions required before initiating emergency operation.
(3) Emergency operation procedure
Provides the step-by-step procedure to activate emergency operation mode.
11-8. EMERGENCY OPERATION
(5) Operation data during emergency operation
Details the operational data displayed during emergency operation, including temperatures and superheat.
11-9. TEST POINT DIAGRAM
Outdoor controller circuit board PUHZ-ZRP35VKA PUHZ-ZRP50VKA
Diagram showing test points on the outdoor controller circuit board for specific models.
11-9. TEST POINT DIAGRAM
Outdoor controller circuit board PUHZ-ZRP60/71VHA PUHZ-ZRP100/125/140VKA PUHZ-ZRP100/125/140YKA PUHZ-ZRP100/125/140YKAR1
Illustrates test points on the outdoor controller circuit board for various PUHZ-ZRP models.
11-9. TEST POINT DIAGRAM
Outdoor noise filter circuit board PUHZ-ZRP60VHA PUHZ-ZRP71VHA
Diagram of the outdoor noise filter circuit board showing component locations and connections.
11-9. TEST POINT DIAGRAM
Outdoor noise filter circuit board PUHZ-ZRP100YKA PUHZ-ZRP125YKA PUHZ-ZRP140YKA PUHZ-ZRP100YKAR1 PUHZ-ZRP125YKAR1 PUHZ-ZRP140YKAR1
Shows the outdoor noise filter circuit board layout for higher capacity PUHZ-ZRP models.
11-9. TEST POINT DIAGRAM
Outdoor power circuit board PUHZ-ZRP60VHA PUHZ-ZRP71VHA
Diagram of the outdoor power circuit board with test points for specific models.
11-9. TEST POINT DIAGRAM
Outdoor power circuit board PUHZ-ZRP100VKA PUHZ-ZRP125VKA PUHZ-ZRP140VKA
Illustrates test points on the outdoor power circuit board for 100-140VKA models.
11-9. TEST POINT DIAGRAM
Outdoor power circuit board PUHZ-ZRP100YKA PUHZ-ZRP125YKA PUHZ-ZRP140YKA
Shows test points on the outdoor power circuit board for 100-140YKA models.
11-9. TEST POINT DIAGRAM
Outdoor power circuit board PUHZ-ZRP100YKAR1 PUHZ-ZRP125YKAR1 PUHZ-ZRP140YKAR1
Illustrates test points on the outdoor power circuit board for YKAR1 models.
11-9. TEST POINT DIAGRAM
Outdoor converter circuit board PUHZ-ZRP100YKA PUHZ-ZRP125YKA PUHZ-ZRP140YKA PUHZ-ZRP100YKAR1 PUHZ-ZRP125YKAR1 PUHZ-ZRP140YKAR1
Diagram showing test points on the outdoor converter circuit board for various PUHZ-ZRP models.
11-10. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS
(1) Function of switches
Details the functions of various switches, including DIP switches and push switches.
11-10. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS
(2) Function of connector
Explains the functions of connectors, including emergency operation and demand control.
11-10. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS
Special function
Describes special functions like low-level sound priority and on-demand control.
12 FUNCTION SETTING
12-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER
Explains how to set unit functions using the wired remote controller.
Meaning of "Function setting"
Explains the meaning of various function settings, particularly for indoor temperature detection.
12-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER
12-1-1. Selecting functions using the wired remote controller
Details the process of selecting functions via the wired remote controller.
12-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER
Example: Selecting room temperature detection position
Illustrates setting the room temperature detection position for functions.
12-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER
[Operating Procedure]
Provides the step-by-step procedure for function selection using the remote controller.
12-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER
[Flow of function selection procedure]
Illustrates the flow for selecting functions using the remote controller.
[Operating instructions]
Provides detailed operating instructions for function selection via remote controller.
12-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER
Setting and display items
Details settings for initial setup, auto mode, administrator password, and language selection.
Service
Covers service functions like test run, error history check, and remote controller check.
12-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER
Remote controller function selection mode
Explains the mode for selecting functions via the remote controller.
Item 1 Item 2 Item 3
Details function settings for language, function limit, mode selection, and display change.
12-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER
[Function selection flowchart]
Provides a flowchart for the function selection procedure.
13 MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
13-1. HOW TO "MONITOR THE OPERATION DATA"
Explains how to check operation data and error history using the remote controller.
13-1-1. PAR-30MAA/PAR-31MAA
Details how to monitor operation data using the PAR-30MAA/PAR-31MAA remote controller.
13-1. HOW TO "MONITOR THE OPERATION DATA"
13-1-2. PAR-21MAA
Explains how to monitor operation data using the PAR-21MAA remote controller.
13-2-1. Detail Contents in Request Code
[Operation state] (Request code : "0")
Details the operation state, including mode and relay output status.
[Indoor unit – Control state] (Request code : "50 ")
Shows the control state of indoor units, including unit status and error information.
[Outdoor unit – Control state] (Request code : " 51")
Details the control state of outdoor units, including normal and preparation modes.
[Compressor – Frequency control state] (Request code : " 52")
Explains compressor frequency control states and related protections.
13-2-1. Detail Contents in Request Code
[Fan control state] (Request code : "53")
Describes fan control states based on temperature and overheat prevention.
[Actuator output state] (Request code : "54")
Details the output states of actuators like SV1, four-way valve, and compressor.
[Error content (U9)] (Request code : "55")
Lists error content related to voltage, current, and signal errors.
13-2-1. Detail Contents in Request Code
[Contact demand capacity] (Request code : " 61")
Explains contact demand capacity settings and their corresponding values.
[External input state] (Request code : "62")
Details external input states for contact demand, silent mode, and spare inputs.
[Outdoor unit – Capacity setting display] (Request code : "70")
Shows outdoor unit capacity settings based on model number.
[Outdoor unit – Setting information] (Request code : "71")
Describes outdoor unit settings for defrost mode and phase/heat pump configuration.
13-2-1. Detail Contents in Request Code
[Outdoor unit switch setting display (SW1 to SW10, except SW3)] Request codes: 73 to 82
Details outdoor unit switch settings (SW1-SW10) and their corresponding request codes.
13-2-1. Detail Contents in Request Code
[Indoor unit – Model setting information] (Request code : "162")
Provides indoor unit model setting information and corresponding request codes.
[Indoor unit – Capacity setting information] (Request code : "163")
Details indoor unit capacity settings and their associated request codes.
[Wireless pair No. (indoor control board side) setting] (Request code : "165")
Explains wireless pairing settings for indoor control boards and their request codes.
14 EASY MAINTENANCE FUNCTION
14-1. SMOOTH MAINTENANCE
Explains how to view operation data using the smooth maintenance function.
14-1-1. PAR-30MAA/PAR-31MAA
Details smooth maintenance procedures using the PAR-30MAA/PAR-31MAA remote controller.
14-1. SMOOTH MAINTENANCE
14-1-2. PAR-21MAA
Explains smooth maintenance procedures using the PAR-21MAA remote controller.
14-1. SMOOTH MAINTENANCE
● Data measurement
Describes how to measure operation data when the system is stabilized.
■ Refrigerant address
Explains refrigerant address settings for single and multi-refrigerant systems.
14-2. INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION
14-2-1. PAR-30MAA/PAR-31MAA
Details initial settings for refrigerant leakage detection using PAR-30MAA/PAR-31MAA.
14-2. INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION
14-2-2. PAR-21MAA
Explains initial settings for refrigerant leakage detection using PAR-21MAA.
14-2. INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION
3. How to start "Judgment of refrigerant leakage " mode.
Provides steps to start the refrigerant leakage judgment mode and interpret results.
15 DISASSEMBLY PROCEDURE
1. Removing the top panel, service panel, front panel, back panel and grille
Instructions for removing outer panels and grille of the outdoor unit.
2. Removing the fan motor
Step-by-step guide to remove the fan motor from the outdoor unit.
3. Removing the electrical parts box
Procedure for removing the electrical parts box containing the main circuit boards.
15 DISASSEMBLY PROCEDURE
4. Removing the thermistor (TH6)
Guide to remove the outdoor 2-phase pipe thermistor (TH6).
5. Removing the thermistor (TH7)
Instructions for removing the outdoor thermistor (TH7).
6. Removing the thermistor (TH3) (TH33) and thermistor (TH4), thermistor (TH32)
Procedure for removing outdoor pipe, discharge, and compressor surface thermistors.
15 DISASSEMBLY PROCEDURE
7. Removing the 4-way valve coil (21S4), and LEV coil (LEV (A), LEV (B)), (LEV (C) :140 only)
Guide to remove the 4-way valve coil and LEV coils.
8. Removing the 4-way valve
Step-by-step instructions for removing the 4-way valve.
9. Removing LEV
Procedure for removing the linear expansion valve (LEV).
15 DISASSEMBLY PROCEDURE
10. Removing the high pressure switch (63H)
Instructions for removing the high pressure switch (63H).
11. Removing the reactor (DCL)
Step-by-step guide to remove the reactor (DCL).
15 DISASSEMBLY PROCEDURE
12. Removing the compressor (MC)
Procedure for removing the compressor (MC) from the unit.
13. Removing the power receiver
Step-by-step instructions for removing the power receiver.
15 DISASSEMBLY PROCEDURE
1. Removing the service panel and top panel
Instructions for removing the service and top panels.
2. Removing the fan motor (MF1)
Guide to remove the fan motor (MF1).
3. Removing the electrical parts box
Procedure for removing the electrical parts box.
15 DISASSEMBLY PROCEDURE
4. Removing the thermistor (TH6)
Instructions for removing the outdoor 2-phase pipe thermistor (TH6).
5. Removing the thermistor (TH7)
Guide to remove the outdoor thermistor (TH7).
6. Removing the thermistor (TH3) (TH33) and thermistor (TH4), thermistor (TH32)
Procedure for removing outdoor pipe, discharge, and compressor surface thermistors.
15 DISASSEMBLY PROCEDURE
7. Removing the 4-way valve coil (21S4), and LEV coil (LEV (A), LEV (B)), (LEV (C) :140 only)
Guide to remove the 4-way valve coil and LEV coils.
8. Removing the 4-way valve
Step-by-step instructions for removing the 4-way valve.
9. Removing LEV
Procedure for removing the linear expansion valve (LEV).
15 DISASSEMBLY PROCEDURE
10. Removing the high pressure switch (63H)
Instructions for removing the high pressure switch (63H).
11. Removing the reactor (DCL)
Step-by-step guide to remove the reactor (DCL).
15 DISASSEMBLY PROCEDURE
12. Removing the compressor (MC)
Procedure for removing the compressor (MC) from the unit.
13. Removing the power receiver
Step-by-step instructions for removing the power receiver.
15 DISASSEMBLY PROCEDURE
1. Removing the service panel and top panel
Instructions for removing the service and top panels.
2. Removing the fan motor (MF1, MF2)
Guide to remove the fan motor (MF1, MF2).
3. Removing the electrical parts box
Procedure for removing the electrical parts box.
15 DISASSEMBLY PROCEDURE
4. Removing the thermistor (TH6)
Instructions for removing the outdoor 2-phase pipe thermistor (TH6).
5. Removing the thermistor (TH7)
Guide to remove the outdoor thermistor (TH7).
6. Removing the thermistor (TH3) (TH33) and thermistor (TH4), thermistor (TH32)
Procedure for removing outdoor pipe, discharge, and compressor surface thermistors.
15 DISASSEMBLY PROCEDURE
7. Removing the 4-way valve coil (21S4), and LEV coil (LEV (A), LEV (B)), (LEV (C) :140 only)
Guide to remove the 4-way valve coil and LEV coils.
8. Removing the 4-way valve
Step-by-step instructions for removing the 4-way valve.
9. Removing LEV
Procedure for removing the linear expansion valve (LEV).
15 DISASSEMBLY PROCEDURE
10. Removing the high pressure switch (63H)
Instructions for removing the high pressure switch (63H).
11. Removing the reactor (DCL)
Step-by-step guide to remove the reactor (DCL).
15 DISASSEMBLY PROCEDURE
12. Removing the compressor (MC)
Procedure for removing the compressor (MC) from the unit.
13. Removing the power receiver
Step-by-step instructions for removing the power receiver.
15 DISASSEMBLY PROCEDURE
1. Removing the service panel and top panel
Instructions for removing the service and top panels.
2. Removing the fan motor (MF1, MF2)
Guide to remove the fan motor (MF1, MF2).
3. Removing the electrical parts box
Procedure for removing the electrical parts box.
15 DISASSEMBLY PROCEDURE
4. Disassembling the electrical parts box
Instructions for disassembling the electrical parts box, including disconnecting connectors.
15 DISASSEMBLY PROCEDURE
5. Removing the thermistor (TH6)
Instructions for removing the outdoor 2-phase pipe thermistor (TH6).
6. Removing the thermistor (TH7)
Guide to remove the outdoor thermistor (TH7).
7. Removing the thermistor (TH3) (TH33) and thermistor (TH4), thermistor (TH32)
Procedure for removing outdoor pipe, discharge, and compressor surface thermistors.
15 DISASSEMBLY PROCEDURE
8. Removing the 4-way valve coil (21S4), and LEV coil (LEV (A), LEV (B)), (LEV (C) :140 only)
Guide to remove the 4-way valve coil and LEV coils.
9. Removing the 4-way valve
Step-by-step instructions for removing the 4-way valve.
10. Removing LEV
Procedure for removing the linear expansion valve (LEV).
15 DISASSEMBLY PROCEDURE
11. Removing the reactor (DCL)
Step-by-step guide to remove the reactor (DCL).
15 DISASSEMBLY PROCEDURE
12. Removing the compressor (MC)
Procedure for removing the compressor (MC) from the unit.
13. Removing the power receiver
Step-by-step instructions for removing the power receiver.
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