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Mitsubishi Electric MR. SLIM PUZ-M100VKA2 User Manual

Mitsubishi Electric MR. SLIM PUZ-M100VKA2
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SERVICE MANUAL
No.OCH773
SPLIT-TYPE AIR CONDITIONERS
R32
September 2021
Outdoor unit
[Model Name]
PUZ-M100VKA2
PUZ-M100VKA2-ET
PUZ-M100VKA2-ER
PUZ-M125VKA2
PUZ-M125VKA2-ET
PUZ-M125VKA2-ER
PUZ-M140VKA2
PUZ-M140VKA2-ET
PUZ-M140VKA2-ER
PUZ-M100YKA2
PUZ-M100YKA2-ET
PUZ-M100YKA2-ER
PUZ-M125YKA2
PUZ-M125YKA2-ET
PUZ-M125YKA2-ER
PUZ-M140YKA2
PUZ-M140YKA2-ET
PUZ-M140YKA2-ER
[Service Ref.]
PUZ-M100VKA2.TH
PUZ-M100VKA2-ET.TH
PUZ-M100VKA2-ER.TH
PUZ-M125VKA2.TH
PUZ-M125VKA2-ET.TH
PUZ-M125VKA2-ER.TH
PUZ-M140VKA2.TH
PUZ-M140VKA2-ET.TH
PUZ-M140VKA2-ER.TH
PUZ-M100YKA2.TH
PUZ-M100YKA2-ET.TH
PUZ-M100YKA2-ER.TH
PUZ-M125YKA2.TH
PUZ-M125YKA2-ET.TH
PUZ-M125YKA2-ER.TH
PUZ-M140YKA2.TH
PUZ-M140YKA2-ET.TH
PUZ-M140YKA2-ER.TH
PARTS CATALOG (OCB773)
Note:
This service manual
describes technical data
of the outdoor units only.
CONTENTS
1. REFERENCE MANUAL ·······················2
2. SAFETY PRECAUTION ·······················2
3. SPECIFICATIONS ···························· 13
4. DATA ·············································· 14
5. OUTLINES AND DIMENSIONS ··········· 17
6. WIRING DIAGRAM ··························· 18
7. WIRING SPECIFICATIONS ················ 21
8. REFRIGERANT SYSTEM DIAGRAM ··· 26
9. TROUBLESHOOTING ······················· 28
10. FUNCTION SETTING ························ 74
11. MONITORING THE OPERATION DATA
BY THE REMOTE CONTROLLER ······· 75
12. EASY MAINTENANCE FUNCTION ······ 83
13. DISASSEMBLY PROCEDURE ··········· 85
14. REMOTE CONTROLLER ··················· 91
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Mitsubishi Electric MR. SLIM PUZ-M100VKA2 Specifications

General IconGeneral
SeriesMr. Slim
TypeSplit System
Cooling Capacity10.0 kW
Heating Capacity11.2 kW
Power Supply220-240V, 50Hz
RefrigerantR410A
Outdoor Unit Dimensions (W x H x D)950 x 943 x 330 mm
Weight (Indoor Unit)16 kg

Summary

REFERENCE MANUAL

SAFETY PRECAUTION

MEANINGS OF SYMBOLS DISPLAYED ON THE UNIT

Explains symbols used on the unit for safety.

ALWAYS OBSERVE FOR SAFETY

General safety precautions for unit operation and maintenance.

SPECIFICATIONS

DATA

REFILLING REFRIGERANT CHARGE (R32: kg)

Details refrigerant charge amounts for various piping lengths and models.

COMPRESSOR TECHNICAL DATA

Provides technical specifications for the compressor, including winding resistance.

OUTLINES AND DIMENSIONS

WIRING DIAGRAM

WIRING SPECIFICATIONS

FIELD ELECTRICAL WIRING (power wiring specifications)

Specifies power wiring requirements, including wire sizes and circuit ratings for different models.

SEPARATE INDOOR UNIT/ OUTDOOR UNIT POWER SUPPLIES

Details power supply patterns and wiring for separate indoor/outdoor units.

INDOOR – OUTDOOR CONNECTING CABLE

Specifies requirements for indoor-outdoor connecting cables, including size and length.

M-NET WIRING METHOD

Explains the M-NET wiring method, including precautions for noise and grounding.

M-NET address setting

Describes how to set M-NET addresses using rotary switches on the outdoor unit.

Refrigerant address setting

Details how to set refrigerant addresses using DIP switches on the outdoor unit.

Regulations in address settings

Explains regulations for setting M-NET and refrigerant addresses in multi-group systems.

REFRIGERANT SYSTEM DIAGRAM

TROUBLESHOOTING

Test Run Procedures and Error Information

Lists checkpoints, error codes, and self-diagnosis steps for troubleshooting.

SELF-DIAGNOSIS ACTION TABLE

Provides actions for diagnosed abnormalities detected when the power is ON.

TROUBLESHOOTING OF PROBLEMS

Lists common phenomena and their countermeasures for troubleshooting.

HOW TO CHECK THE PARTS

Details methods for checking various components using resistance measurements and testers.

HOW TO CHECK THE COMPONENTS

Provides feature charts and resistance values for checking thermistors and other components.

EMERGENCY OPERATION

Explains how to activate emergency operation for specific error codes.

TEST POINT DIAGRAM

Shows test points on circuit boards for diagnosing electrical issues.

FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS

Details the function of various switches, connectors, and jumpers for settings and diagnostics.

FUNCTION SETTING

UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER

Explains how to set unit functions using the remote controller.

SELECTING FUNCTIONS USING THE REMOTE CONTROLLER

Details how to select functions via the remote controller, referencing other sections.

MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER

HOW TO "MONITOR THE OPERATION DATA"

Guides on how to monitor operation data using the remote controller, referencing request codes.

REQUEST CODE LIST

Lists request codes for monitoring various operation data points and their descriptions.

EASY MAINTENANCE FUNCTION

SMOOTH MAINTENANCE

Introduces Smooth Maintenance function for reduced maintenance effort and easier inspection.

PAR-21MAA

Explains the PAR-21MAA function for reduced maintenance and improved inspection.

Guide for operation condition

Provides guidance on operation conditions and check points for maintenance.

DISASSEMBLY PROCEDURE

Component Disassembly Procedures

Provides step-by-step instructions for disassembling various unit components.

REMOTE CONTROLLER

REMOTE CONTROLLER FUNCTIONS

Explains the functions and operations of the remote controller.

ERROR INFORMATION

Details how to check and interpret error codes displayed by the remote controller.

SERVICE MENU

Guides on accessing and navigating the service menu for maintenance settings.

Test Run Procedures

Explains how to perform test runs for checking unit operation and diagnostics.

Function Setting Procedures

Describes how to set various unit functions using the remote controller.

ERROR HISTORY

Explains how to view and delete error history records.

SELF-DIAGNOSIS

Guides on performing self-diagnosis to check unit status and history.

REMOTE CONTROLLER CHECK

Details how to diagnose the remote controller itself for proper operation.

SMOOTH MAINTENANCE

Explains the Smooth Maintenance function for simplified operational data checks.

REQUEST CODE

Guides on using request codes to check operation data and error history via the remote controller.

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