Mitsubishi Electric MSZ-SF50VE2-EN1 User Manual

Models
MSZ-SF25VE
-
E1
,
E2
,
EN1
,
EN2
,
ER2
MSZ-SF35VE
-
E1
,
E2
,
EN1
,
EN2
,
ER2
MSZ-SF42VE
-
E1
,
E2
,
EN1
,
EN2
,
ER2
MSZ-SF50VE
-
E1
,
E2
,
EN1
,
EN2
,
ER2
MSZ-SF25VE2
-
E1
,
EN1
,
ER1
MSZ-SF35VE2
-
E1
,
EN1
,
ER1
MSZ-SF42VE2
-
E1
,
EN1
,
ER1
MSZ-SF50VE2
-
E1
,
EN1
,
ER1
MSZ-SF25VE3
-
E1
,
EN1
,
ER1
MSZ-SF35VE3
-
E1
,
EN1
,
ER1
MSZ-SF42VE3
-
E1
,
EN1
,
ER1
MSZ-SF50VE3
-
E1
,
EN1
,
ER1
SERVICE MANUAL
INDOOR UNIT
PARTS CATALOG (OBB600)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
Revision E:
• MSZ-SF25/35/42/50VE3-
E1
,
EN1
,
ER1
have
been added.
Please void OBH600 REVISED EDITION-D.
Revision E:
• MSZ-SF25/35/42/50VE3-
E1
,
EN1
,
ER1
have
been added.
Please void OBH600 REVISED EDITION-D.
No. OBH600
REVISED EDITION-E
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 5
3. SPECIFICATION ················································ 7
4. NOISE CRITERIA CURVES ···························· 10
5. OUTLINES AND DIMENSIONS ·······················11
6. WIRING DIAGRAM ·········································· 12
7. REFRIGERANT SYSTEM DIAGRAM ············· 16
8. SERVICE FUNCTIONS ··································· 17
9. MICROPROCESSOR CONTROL ··················· 19
10. TROUBLESHOOTING ····································· 27
11. DISASSEMBLY INSTRUCTIONS ···················· 40
Outdoor unit service manual
MUZ-SF·VE(H) Series (OBH629)
MXZ-C·VA Series (OB584)
MXZ-D·VA Series (OBH626)
MXZ-8B Series (OCH480)
MXZ-E·VA Series (OBH723)

Mitsubishi Electric MSZ-SF50VE2-EN1 Specifications

General

Cooling Capacity	5.0 kW
Heating Capacity	6.0 kW
Coefficient of Performance (COP)	4.00
Power Supply	220-240 V, 50 Hz
Refrigerant	R32
Outdoor Unit Noise Level	50 dB(A)
Type	Split System
Seasonal Energy Efficiency Ratio (SEER)	6.1

Summary

Technical Changes and Model Revisions

Technical Specifications

Main Electric Parts Specifications

Indoor Unit Wiring Diagrams

Service Functions

PC Board Modification for Individual Operation

Exclusive Remote Controller Setup

Auto Restart Function Operation

Microprocessor Control and Remote Operation

Wireless Remote Controller Overview

Cool Operation Mode

Dry Operation Mode

Fan Operation Mode

Heat Operation Mode

Timer Operation Settings

Instructions for setting and using the timer functions.

Weekly Timer Operation Setup

Explains how to set and manage weekly timer schedules.

Emergency and Test Operation

Covers emergency and test run operational procedures.

Troubleshooting Guide

Troubleshooting Precautions

Important precautions and checks before troubleshooting.

Failure Mode Recall Function

How to recall and interpret failure modes.

Troubleshooting Instruction Flowcharts

Step-by-step troubleshooting guidance and flowcharts.

Troubleshooting Check Table

A table correlating indicator patterns to specific faults.

Main Parts Troubleshooting Criteria

Criteria for checking main internal components.

Specific Troubleshooting Flows

Detailed flowcharts for diagnosing specific issues.

Remote Controller and Indoor PC Board Checks

Troubleshooting steps for remote controller and main board issues.

Indoor PC Board and Fan Motor Checks

Miswiring and Serial Signal Error Checks

Test Point Diagrams and Voltages

Disassembly Instructions