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Mitsubishi Electric MSZ-GE80VA-A1 User Manual

Mitsubishi Electric MSZ-GE80VA-A1
54 pages
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CONTENTS
1. TECHNICAL CHANGES ··································· 2
2. PART NAMES AND FUNCTIONS ····················· 3
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ······························ 9
5. OUTLINES AND DIMENSIONS ·······················11
6. WIRING DIAGRAM ·········································· 12
7. REFRIGERANT SYSTEM DIAGRAM ············· 14
8. SERVICE FUNCTIONS ··································· 15
9. MICROPROCESSOR CONTROL ··················· 17
10. TROUBLESHOOTING ····································· 25
11. DISASSEMBLY INSTRUCTIONS ···················· 45
SPLIT-TYPE AIR CONDITIONERS
SERVICE MANUAL
INDOOR UNIT
PARTS CATALOG (OBB531)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
Models
MSZ-GE22VA
-
A1
MSZ-GE50VA
-
A1
MSZ-GE22VAD
-
A1
MSZ-GE50VA2
-
A1
MSZ-GE25VA
-
A1
MSZ-GE50VAD
-
A1
MSZ-GE25VAD
-
A1
MSZ-GE60VA
-
A1
MSZ-GE33VA
-
A1
MSZ-GE60VAD
-
A1
MSZ-GE35VA
-
A1
MSZ-GE71VA
-
A1
MSZ-GE35VA2
-
A1
MSZ-GE71VAD
-
A1
MSZ-GE35VAD
-
A1
MSZ-GE80VA
-
A1
MSZ-GE42VA
-
A1
MSZ-GE80VA2
-
A1
MSZ-GE42VAD
-
A1
MSZ-GE80VAD
-
A1
No. OBH531
REVISED EDITION-E
Please void OBH531 REVISED EDITION-D.
MSZ-GE22VA
MSZ-GE22VAD
MSZ-GE25VA
MSZ-GE25VAD
MSZ-GE33VA
MSZ-GE35VA
MSZ-GE35VA2
MSZ-GE35VAD
MSZ-GE42VA
MSZ-GE42VAD
MSZ-GE50VA
MSZ-GE50VA2
MSZ-GE50VAD
Revision E:
MSZ-GE22VAD-
A1
has been added.
Outdoor unit service manual
MUZ-GE·VA Series (OBH532)
MXZ-A·VA Series (OB447)
MXZ-8A140A (OC316)
MXZ-B•VA (OBH567)
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Mitsubishi Electric MSZ-GE80VA-A1 Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMSZ-GE80VA-A1
CategoryAir Conditioner
LanguageEnglish

Summary

Technical Changes and Revisions

New Model Additions

Details new model additions and revisions to the product line.

Indoor Model Name Changes

Information on updated indoor model naming conventions.

P.C. Board and Component Updates

Changes to electronic control boards and system components.

Part Names and Functions

Specifications Overview

Noise Criteria Curves

Outlines and Dimensions

Wiring Diagrams

Refrigerant System Diagrams

Service Functions

Timer Short Mode

Shortens compressor start time for service purposes.

P.C. Board Modification for Individual Operation

Modifying PC boards for unique indoor unit control.

Auto Restart Function

Manages automatic unit restart after power interruptions.

Microprocessor Control Functions

Wireless Remote Controller Operation

Details on using the wireless remote controller and its functions.

Indoor Unit Display Indicators

Explains the meaning of the operation indicator lamp states.

Cool Operation Details

Specific procedures and functions for cooling mode operation.

Dry Operation Details

Specific procedures and functions for dry mode operation.

Heat Operation Details

Specific procedures and functions for heating mode operation.

Fan Only Operation

Operation details for fan-only mode on specific models.

Auto Mode Operation

Automatic switching between cooling and heating modes.

Auto Vane Operation

Control of horizontal and vertical vane movement.

Timer Operation

Setting and releasing basic ON/OFF timers.

Weekly Timer Operation

Setting custom operating schedules for the week.

i-save Operation

Customizing and saving preferred operating settings.

Emergency and Test Operation

Procedures for emergency or service test operations.

3-Minute Time Delay Operation

Compressor protection feature for preventing overloads.

Troubleshooting Guide

Troubleshooting Cautions

Safety precautions and initial checks before troubleshooting.

Failure Mode Recall Function

Recalling and clearing memorized error codes for diagnosis.

Troubleshooting Instruction Flowchart

A visual guide for diagnosing operational issues.

Troubleshooting Check Table

A table listing symptoms, conditions, and remedies for faults.

Trouble Criterion of Main Parts

Methods for checking key components and their resistance.

Indoor Fan Motor Troubleshooting

Specific steps for diagnosing indoor fan motor errors.

Remote Controller and P.C. Board Checks

Diagnosing issues with remote controls and electronic boards.

Indoor P.C. Board and Fan Motor Checks

Detailed checks for indoor PCBs and fan motor assembly.

Miswiring and Serial Signal Error Checks

Procedures to identify and resolve wiring and communication errors.

Horizontal Vane Installation Check

Verifying correct installation of the horizontal vane.

Electromagnetic Noise Troubleshooting

Steps to resolve interference with TVs and radios.

Test Point Diagram and Voltage

Identifies test points and voltage measurements on PCBs.

Indoor Electronic Control P.C. Board Layout

Diagram illustrating component locations on the indoor control PCB.

Indoor P.C. Board Component Layout

Layouts for indoor control, terminal, and power monitor PCBs.

Disassembly Instructions

Disassembly for MSZ-GE22 to MSZ-GE50 Series

Procedures for taking apart smaller model units.

Removing the Panel

Steps to safely detach the front panel of the unit.

Removing Control PCBs and Thermistor

Steps to remove electronic boards and temperature sensors.

Removing Power/Terminal Boards and Box

Steps to detach power supply boards and electrical enclosures.

Removing the Nozzle Assembly

Procedures for removing the air outlet nozzle assembly.

Removing Vertical Vane Motor Unit

Steps to detach the vertical vane motor assembly.

Removing Horizontal Vane Motor

Steps to detach the horizontal vane motor assembly.

Removing Fan Motor, Thermistor, and Fan

Steps to remove fan motor, coil thermistor, and airflow fan.

Disassembly for MSZ-GE60 to MSZ-GE80 Series

Procedures for disassembling larger model units.

Removing the Panel

Steps to safely detach the front panel of the unit.

Removing PCBs and Receiver

Steps to remove electronic boards and receiver components.

Removing the Indoor Electrical Box

Procedures for detaching the indoor electrical enclosure.

Removing the Nozzle Assembly

Procedures for removing the air outlet nozzle assembly.

Removing Vertical Vane Motor Unit

Steps to detach the vertical vane motor assembly.

Removing Horizontal Vane Motor

Steps to detach the horizontal vane motor assembly.

Removing Water Cut, Fan Motor, Thermistor, and Fan

Steps to remove water cut, fan motor, coil thermistor, and airflow fan.

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