Mitsubishi Electric MSZ-HR25VF-E1 User Manual

Models
MSZ-HR25VF
-
E1
,
ER1
,
ET1
MSZ-HR35VF
-
E1
,
ER1
,
ET1
MSZ-HR42VF
-
E1
,
ER1
,
ET1
MSZ-HR50VF
-
E1
,
ER1
,
ET1
INDOOR UNIT
No. OBH822
Outdoor unit service manual
MUZ-HR∙VF Series (OBH823)
PARTS CATALOG (OBB822)
CONTENTS
1. TECHNICAL CHANGES ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 2
2. PART NAMES AND FUNCTIONS ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 3
3. SPECIFICATION ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 4
4. NOISE CRITERIA CURVES ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 5
5. OUTLINES AND DIMENSIONS ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 6
6. WIRING DIAGRAM ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 7
7. REFRIGERANT SYSTEM DIAGRAM ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 8
8. SERVICE FUNCTIONS ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 10
9. MICROPROCESSOR CONTROL ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 12
10. TROUBLESHOOTING ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 16
11. DISASSEMBLY INSTRUCTIONS ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 29
SERVICE MANUAL
MSZ-HR25VF

Mitsubishi Electric MSZ-HR25VF-E1 Specifications

General

Brand	Mitsubishi Electric
Model	MSZ-HR25VF-E1
Category	Air Conditioner
Language	English

Summary

Specification

Wiring Diagram

Refrigerant System Diagram

Service Functions

Microprocessor Control

Troubleshooting

Cautions on Troubleshooting

Provides essential safety precautions and checks before performing troubleshooting.

Failure Mode Recall Function

Explains how to recall and interpret stored failure mode information for diagnosis.

Instruction of Troubleshooting

Provides a flowchart to guide troubleshooting based on symptoms and indicator lamp status.

Trouble Criterion of Main Parts

Details methods and criteria for checking the resistance of main components like thermistors and motors.

Troubleshooting Flow

How to Check Miswiring and Serial Signal Error

Test Point Diagram and Voltage

Disassembly Instructions