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Mitsubishi Electric MSZ-CA35VB User Manual

Mitsubishi Electric MSZ-CA35VB
28 pages
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SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································5
4. NOISE CRITERIA CURVES·······························6
5. OUTLINES AND DIMENSIONS ·························7
6. WIRING DIAGRAM ············································8
7. REFRIGERANT SYSTEM DIAGRAM················8
8. SERVICE FUNCTIONS ······································9
9. TROUBLESHOOTING······································11
10. DISASSEMBLY INSTRUCTIONS·····················22
11. PARTS LIST······················································24
Wireless type
Models
MSZ-CA25VB -
(WH)
MSZ-CA35VB -
(WH)
E1
E1
No. OB390
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
MSZ-CA25VB -
MSZ-CA35VB -
E1
E1
NOTE:
This service manual describes technical data of the indoor units.
•As for outdoor units MUZ-CA25VB- and MUZ-CA35VB- , refer to the service manual
OB391.
•As for outdoor units MXZ-A14WV- and MXZ-A18WV- , refer to the service manual
OB319.
E1E1
E1E1
Indication of
model name
OB390--1qxp 05.2.9 11:27 Page 1
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Mitsubishi Electric MSZ-CA35VB Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMSZ-CA35VB
CategoryAir Conditioner
LanguageEnglish

Summary

Technical Changes

Part Names and Functions

Indoor Unit Components

Identifies and describes components of the indoor unit.

Included Accessories

Lists included accessories for the indoor unit.

Specifications

Indoor Model Specifications

Details specifications for the MSZ-CA25VB and MSZ-CA35VB indoor models.

Main Electrical Parts Specifications

Lists specifications and rating conditions for key electrical components of the indoor unit.

Noise Criteria Curves

Outlines and Dimensions

Wiring and Refrigerant Diagrams

Indoor Unit Wiring Diagram

Electrical wiring diagram for the indoor units.

Refrigerant System Diagram

Illustrates the refrigerant flow within the system.

Service Functions

Timer Short Mode Function

Describes a service mode for shortening timer settings.

PC Board Modification for Individual Operation

Details how to modify the P.C. board for individual remote controller operation.

Auto Restart Function

Explains the automatic restart function after power failure.

Troubleshooting

Troubleshooting Precautions

Provides essential safety precautions and guidelines before performing troubleshooting.

Failure Mode Recall Function

Explains how to recall and check stored failure modes for diagnostics.

Indoor Unit Failure Mode Table

Table detailing indoor unit failure modes, symptoms, detection, and checks.

Troubleshooting Instruction

Provides step-by-step instructions for troubleshooting common issues.

Troubleshooting Check Table

A comprehensive table mapping operation indicator patterns to abnormalities and checks.

Trouble Criterion of Main Parts

Lists criteria and methods for checking major component malfunctions.

Troubleshooting Flow for Fan Motor

Flowchart for diagnosing issues when the OPERATION INDICATOR lamp flashes 3 times.

Remote Controller and Receiver Check

Checks the remote controller and its receiver for operational issues.

Indoor Electronic Control PC Board Check

Procedures to check the indoor electronic control P.C. board for faults.

Mis-wiring and Serial Signal Error Check

Guide to diagnosing mis-wiring or serial signal errors affecting outdoor unit operation.

Horizontal Vanes Installation Check

Verifies correct installation of horizontal vanes to prevent operational errors.

Thermal Fuse Check

Procedure to check the thermal fuse for continuity.

Test Point Diagram and Voltage

Provides test point diagrams and voltage specifications for the indoor electronic control P.C. board.

Disassembly Instructions

Parts List

Indoor Unit Structural Parts

Lists structural parts of the indoor unit with part numbers.

Accessory and Remote Controller Parts

Lists accessories and remote controller parts.

Indoor Unit Electrical and Functional Parts

Details electrical and functional parts for the indoor unit.

Indoor Unit Heat Exchanger Parts

Lists parts related to the indoor unit's heat exchanger.

Air Cleaning Filter Information

Information about the air cleaning filter, its function, and life.

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