Mitsubishi Electric Mr.Slim PUZ-SM100VKA User Manual

SERVICE MANUAL
No.OCH708
SPLIT-TYPE AIR CONDITIONERS
R32
December 2018
Outdoor unit
[Model Name]
PUZ-SM100VKA
PUZ-SM125VKA
PUZ-SM140VKA
PUZ-SM100YKA
PUZ-SM125YKA
PUZ-SM140YKA
[Service Ref.]
PUZ-SM100VKA.TH
PUZ-SM125VKA.TH
PUZ-SM140VKA.TH
PUZ-SM100YKA.TH
PUZ-SM125YKA.TH
PUZ-SM140YKA.TH
PARTS CATALOG (OCB708)
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 ··································· 84
11. MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER ····90
12. EASY MAINTENANCE FUNCTION ··········· 100
13. DISASSEMBLY PROCEDURE ··················· 104

Mitsubishi Electric Mr.Slim PUZ-SM100VKA Specifications

General

Brand	Mitsubishi Electric
Model	Mr.Slim PUZ-SM100VKA
Category	Air Conditioner
Language	English

Summary

1 REFERENCE MANUAL

2 SAFETY PRECAUTION

2-1. ALWAYS OBSERVE FOR SAFETY

General safety rules to follow before accessing circuits.

2-2. CAUTIONS RELATED TO NEW REFRIGERANT

Specific safety cautions for R32 refrigerant.

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

Guidelines for safely reusing refrigerant pipes.

2-4. Choosing the outdoor unit installation location

Guidance on selecting appropriate installation locations for outdoor units.

2-5. Minimum installation area

Specifies minimum installation space requirements based on refrigerant quantity.

5 Service tools

3 SPECIFICATIONS

4 DATA

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

Information on refrigerant charge amounts for different models and pipe lengths.

4-2. COMPRESSOR TECHNICAL DATA

Technical data related to the compressor specifications.

4-3. NOISE CRITERION CURVES

Graphical representation of noise levels across different frequencies.

4-4. STANDARD OPERATION DATA

Standard operating data for different models and modes.

5 OUTLINES AND DIMENSIONS

6 WIRING DIAGRAM

7 WIRING SPECIFICATIONS

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

Specifications for power wiring and cable sizing.

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

Connection patterns for separate power supplies.

7-3. INDOOR – OUTDOOR CONNECTING CABLE

Guidelines for indoor-outdoor connecting cable specifications.

7-4. M-NET WIRING METHOD

Method for wiring the M-NET communication system.

8 REFRIGERANT SYSTEM DIAGRAM

8-1. REFRIGERANT COLLECTING (PUMP DOWN)

Procedure for collecting refrigerant before service or disposal.

8-2. START AND FINISH OF TEST RUN

Steps for starting and finishing a test run operation.

9 TROUBLESHOOTING

9-1. TROUBLESHOOTING

General troubleshooting guidance based on unit conditions.

9-2. CHECKPOINT UNDER TEST RUN

Points to check before performing a test run.

9-2-2. Test Run Procedures

Procedures for test runs using wired and wireless remote controllers.

9-3. Self-Diagnosis and Remote Controller Checks

Steps for self-diagnosis and remote controller function checks.

9-4. SELF-DIAGNOSIS ACTION TABLE

9-5. TROUBLESHOOTING OF PROBLEMS

9-6. HOW TO CHECK THE PARTS

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

Method to check the DC fan motor and its circuit board.

Linear expansion valve

Explanation of the linear expansion valve's operation and checks.

9-8. EMERGENCY OPERATION

9-9. TEST POINT DIAGRAM

9-10. FUNCTION OF SWITCHES, CONNECTORS AND JUMPERS

10 FUNCTION SETTING

10-1. UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER

Setting unit functions using the remote controller.

10-1-1. Selecting functions using the wired remote controller <PAR-3xMAA...>

How to select functions via wired remote controller (PAR-3xMAA).

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

How to select functions via wired remote controller (PAR-21MAA).

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

How to select functions via wireless remote controller.

11 MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER

11-1. HOW TO "MONITOR THE OPERATION DATA" BY THE REMOTE CONTROLLER

Procedure to monitor operation data using the remote controller.

11-1-2. PAR-21MAA

Monitoring operation data using PAR-21MAA remote controller.

11-2. Request code list

List of request codes and their meanings for monitoring data.

12 EASY MAINTENANCE FUNCTION

12-1. SMOOTH MAINTENANCE

Function for smooth maintenance operation and data checking.

12-1-1. PAR-3xMAA...

Smooth maintenance procedure for PAR-3xMAA controllers.

12-1-2. PAR-21MAA

Smooth maintenance procedure for PAR-21MAA controllers.

<Guide for operation condition>

Guide to check operation conditions using temperature difference graphs.

13 DISASSEMBLY PROCEDURE