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Mitsubishi Electric Mr.SLIM PUZ-M1 OOVKA.TH User Manual

Mitsubishi Electric Mr.SLIM PUZ-M1 OOVKA.TH
110 pages
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SERVICE MANUAL
No.OCH707
REVISED EDITION-C
SPLIT-TYPE AIR CONDITIONERS
R32
July 2020
Outdoor unit
[Model Name]
PUZ-M100VKA
PUZ-M100VKA-ET
PUZ-M125VKA
PUZ-M125VKA-ET
PUZ-M140VKA
PUZ-M140VKA-ET
PUZ-M100YKA
PUZ-M100YKA-ET
PUZ-M125YKA
PUZ-M125YKA-ET
PUZ-M140YKA
PUZ-M140YKA-ET
[Service Ref.]
PUZ-M100VKA.TH
PUZ-M100VKA-ET.TH
PUZ-M125VKA.TH
PUZ-M125VKA-ET.TH
PUZ-M140VKA.TH
PUZ-M140VKA-ET.TH
PUZ-M100YKA.TH
PUZ-M100YKA-ET.TH
PUZ-M125YKA.TH
PUZ-M125YKA-ET.TH
PUZ-M140YKA.TH
PUZ-M140YKA-ET.TH
PARTS CATALOG (OCB707)
CONTENTS
1. REFERENCE MANUAL ····························2
2. SAFETY PRECAUTION ····························2
3. SPECIFICATIONS ································· 12
4. DATA ·················································· 13
5. OUTLINES AND DIMENSIONS ················ 16
6. WIRING DIAGRAM ································ 17
7. WIRING SPECIFICATIONS ····················· 20
8.
REFRIGERANT SYSTEM DIAGRAM
·········· 25
9. TROUBLESHOOTING ···························· 27
10. FUNCTION SETTING ····························· 83
11.
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
····89
12. EASY MAINTENANCE FUNCTION ··········· 99
13. DISASSEMBLY PROCEDURE ················103
Note:
This service manual
describes technical data
of the outdoor units only.
Revision:
Connectable indoor units
have been added in
REVISED EDITION-C.
OCH707 REVISED EDITION-B
is void.

Questions and Answers:

Mitsubishi Electric Mr.SLIM PUZ-M1 OOVKA.TH Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMr.SLIM PUZ-M1 OOVKA.TH
CategoryAir Conditioner
LanguageEnglish

Summary

SERVICE MANUAL

Outdoor unit [Model Name]

Lists model names for outdoor units.

CONTENTS

Provides a list of chapter titles and their page numbers.

1 REFERENCE MANUAL

2 SAFETY PRECAUTION

MEANINGS OF SYMBOLS DISPLAYED ON THE UNIT

Explains the meaning of symbols used on the unit.

2-1. ALWAYS OBSERVE FOR SAFETY

Emphasizes safety precautions before accessing terminals.

2-2. CAUTIONS RELATED TO NEW REFRIGERANT

Provides specific cautions for units using R32 refrigerant.

2-2. CAUTIONS RELATED TO NEW REFRIGERANT

Use the following tools specifically designed for use with R32 refrigerant.

Lists specialized tools required for R32 refrigerant work.

Handle tools with care.

Advises on careful handling of tools to prevent contamination.

Do not use refrigerant other than R32.

Warns against using refrigerants other than the specified R32.

[1] Warning for service

[2] Cautions for service

[3] Additional refrigerant charge

[4] Cautions for unit using R32 refrigerant

(1) Information on servicing

Provides information and checks related to servicing.

(2) Repairs to Sealed Components

Gives instructions for repairing sealed components.

[4] Cautions for unit using R32 refrigerant

(3) Repair to intrinsically Safe Components

Addresses repairs to intrinsically safe components.

(4) Cabling

Provides checks and considerations for cabling.

(5) Detection of Flammable Refrigerants

Details methods for detecting flammable refrigerants.

(6) Leak Detection Methods

Explains various methods for leak detection.

[4] Cautions for unit using R32 refrigerant

(6) Leak Detection Methods (Continued)

Continues the explanation of leak detection methods.

(7) Removal and Evacuation

Outlines the procedure for removing and evacuating refrigerant.

(8) Charging Procedures

Details the requirements for charging procedures.

[5] Service tools

2-3. PRECAUTIONS WHEN REUSING EXISTING R22/R410A REFRIGERANT PIPES

(1) Flowchart

Presents a flowchart for reusing refrigerant pipes.

2-3. PRECAUTIONS WHEN REUSING EXISTING R22/R410A REFRIGERANT PIPES

(2) Cautions for refrigerant piping work

Details cautions for refrigerant piping work specific to R32.

1 Thickness of pipes

Specifies the required thickness for R32 refrigerant piping.

2 Dimensions of flare cutting and flare nut

Details dimensions for flare cutting and flare nuts for R32.

2-4. Choosing the outdoor unit installation location

2-5. Minimum installation area

A) Secure sufficient installation space (minimum installation area Amin).

Details securing sufficient installation space based on refrigerant quantity.

B) Install in a space with a depression height of [ 0.125 [m]

Provides installation requirements for spaces with depressions.

2-5. Minimum installation area

C) Create an appropriate ventilation open area.

Explains how to create adequate ventilation open areas.

■ Indoor units

Discusses installation requirements for indoor units.

3 SPECIFICATIONS

4 DATA

4-1. REFILLING REFRIGERANT CHARGE (R32: kg)

Provides refrigerant charge data based on piping length.

4-2. COMPRESSOR TECHNICAL DATA

Details technical data for the compressor.

4-3. NOISE CRITERION CURVES

4-4. STANDARD OPERATION DATA

5 OUTLINES AND DIMENSIONS

6 WIRING DIAGRAM

6 WIRING DIAGRAM

6 WIRING DIAGRAM

7 WIRING SPECIFICATIONS

7-1. FIELD ELECTRICAL WIRING (power wiring specifications)

Specifies field electrical wiring and power wiring specifications.

7-2. SEPARATE INDOOR UNIT/ OUTDOOR UNIT POWER SUPPLIES

7-3. INDOOR – OUTDOOR CONNECTING CABLE

7-4. M-NET WIRING METHOD

7-4. M-NET WIRING METHOD

7-4-1. M-NET address setting

Explains how to set the M-NET address.

7-4-2. Refrigerant address setting

Details how to set the refrigerant address.

7-4-3. Regulations in address settings

Covers regulations for address settings in multi-group systems.

8 REFRIGERANT SYSTEM DIAGRAM

8-1. REFRIGERANT COLLECTING (PUMP DOWN)

8-2. START AND FINISH OF TEST RUN

9 TROUBLESHOOTING

9-1. TROUBLESHOOTING

Summarizes troubleshooting actions based on unit conditions.

9-2. CHECKPOINT UNDER TEST RUN

Lists checkpoints to verify before performing a test run.

9-2. CHECKPOINT UNDER TEST RUN

9-2-2. Test run for wired remote controller

Explains how to perform a test run using a wired remote controller.

<Error information>

<Checking the error information>

<Error history>

Details how to view and delete error history records.

9-2. CHECKPOINT UNDER TEST RUN

9-2-3. Test run for wired remote controller <PAR-21MAA>

Provides test run procedures for a specific wired remote controller model.

9-2. CHECKPOINT UNDER TEST RUN

9-2-4. Test run for wireless remote controller

Explains how to perform a test run using a wireless remote controller.

9-3. HOW TO PROCEED "SELF-DIAGNOSIS"

9-3-1. Self-diagnosis <PAR-3xMAA ("x" represents 0 or later)>

Details the self-diagnosis procedure for a specific remote controller model.

9-3. HOW TO PROCEED "SELF-DIAGNOSIS"

9-3-2. Remote controller check <PAR-3xMAA ("x" represents 0 or later)>

Explains how to check the remote controller's functionality.

9-3. HOW TO PROCEED "SELF-DIAGNOSIS"

9-3-3. Self-diagnosis <PAR-21MAA>

Provides self-diagnosis steps for a different remote controller model.

9-3-4. Self-Diagnosis During Maintenance or Service <PAR-21MAA>

Details self-diagnosis procedures during maintenance.

9-3. HOW TO PROCEED "SELF-DIAGNOSIS"

9-3-5. Remote controller check <PAR-21MAA>

Explains how to check the remote controller's operation.

9-3. HOW TO PROCEED "SELF-DIAGNOSIS"

9-3-6. Self-diagnosis <Wireless remote controller>

Details self-diagnosis procedures for a wireless remote controller.

[Output pattern A] Errors detected by indoor unit

[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)

9-4. SELF-DIAGNOSIS ACTION TABLE

9-4. SELF-DIAGNOSIS ACTION TABLE

<Abnormalities detected while unit is operating>

<Abnormalities detected while unit is operating>

<Abnormalities detected while unit is operating>

<Abnormalities detected while unit is operating>

<Abnormalities detected while unit is operating>

<Abnormalities detected while unit is operating>

<Abnormalities detected while unit is operating>

<Abnormalities detected while unit is operating>

<Abnormalities detected while unit is operating>

<Abnormalities detected while unit is operating>

9-5. TROUBLESHOOTING OF PROBLEMS

9-5. TROUBLESHOOTING OF PROBLEMS

Symptoms: “PLEASE WAIT” is kept being displayed on the remote controller.

Symptoms: Nothing is displayed on the remote controller ①

Symptoms: Nothing is displayed on the remote controller ②

Symptoms: Nothing is displayed on the remote controller ③

Before repair <Frequent calls from customers>

Before repair <Frequent calls from customers>

Before repair <Frequent calls from customers>

9-6. HOW TO CHECK THE COMPONENTS

Check method of DC fan motor (fan motor / outdoor controller circuit board)

9-7. HOW TO CHECK THE COMPONENTS

Linear expansion valve

Linear expansion valve

(3) How to attach and detach the coil of linear expansion valve

Describes how to attach and detach the linear expansion valve coil.

9-8. EMERGENCY OPERATION

9-9. TEST POINT DIAGRAM

Outdoor noise filter circuit board

Outdoor power circuit board

Outdoor power circuit board

9-10. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS

(1) Function of switches

Details the functions of DIP and push switches.

9-10. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS

(1) Function of switches (Continued)

Continues the explanation of switch functions.

(2) Function of connector

Describes the functions of connectors.

(3)Special function

Details special functions like low-level sound and demand control.

9-10. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS

(3)Special function (Continued)

Continues special function descriptions.

<Display function of inspection for outdoor unit>

<Display function of inspection for outdoor unit>

<Outdoor unit operation monitor function>

<Outdoor unit operation monitor function>

<Outdoor unit operation monitor function>

<Outdoor unit operation monitor function>

<Outdoor unit operation monitor function>

<Outdoor unit operation monitor function>

<Outdoor unit operation monitor function>

<Outdoor unit operation monitor function>

10 FUNCTION SETTING

10-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER

Details unit function settings using the remote controller.

10-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER

10-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER

10-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER (Continued)

Continues instructions for setting functions via remote controller.

10-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER

10-1-2. Selecting functions using the wired remote controller <PAR-21MAA>

Explains function selection with a different wired remote controller.

10-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER

10-1-3. Selecting functions using the wireless remote controller (Type C)

Details function selection using a wireless remote controller.

10-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER

10-1-3. Selecting functions using the wireless remote controller (Type C) (Continued)

Continues instructions for wireless remote controller function selection.

11 MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER

11-1. HOW TO "MONITOR THE OPERATION DATA"

Details the procedure for monitoring operation data.

11-1. HOW TO "MONITOR THE OPERATION DATA"

11-1-2. PAR-21MAA

Guides on monitoring operation data with a specific remote controller.

11-2. Request code list

11-2. Request code list

11-2. Request code list

11-2. Request code list

11-2-1. Detail Contents in Request Code

11-2-1. Detail Contents in Request Code

11-2-1. Detail Contents in Request Code

11-2-1. Detail Contents in Request Code

12 EASY MAINTENANCE FUNCTION

12-1. SMOOTH MAINTENANCE

Explains the smooth maintenance function for data display.

12-1. SMOOTH MAINTENANCE

12-1-2. PAR-21MAA

Guides on smooth maintenance using a specific remote controller.

12-1. SMOOTH MAINTENANCE

● Data measurement

Describes how to measure operation data during maintenance.

● Fixed Hz operation

Explains how to fix operating frequency for inspection.

<Guide for opration condition>

13 DISASSEMBLY PROCEDURE

13 DISASSEMBLY PROCEDURE

13 DISASSEMBLY PROCEDURE

13 DISASSEMBLY PROCEDURE

13 DISASSEMBLY PROCEDURE

13 DISASSEMBLY PROCEDURE

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