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Mitsubishi Electric MSZ-AY50VGK-E1 User Manual

Mitsubishi Electric MSZ-AY50VGK-E1
52 pages
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Models
MSZ-AY25VG -
ET1
MSZ-AY35VG -
ET1
MSZ-AY42VG -
ET1
MSZ-AY50VG -
ET1
MSZ-AY25VGK -
E1
,
SC1
,
ET1
,
ER1
MSZ-AY35VGK -
E1
,
SC1
,
ET1
,
ER1
MSZ-AY42VGK -
E1
,
SC1
,
ET1
,
ER1
MSZ-AY50VGK -
E1
,
SC1
,
ET1
,
ER1
MSZ-AY25VGKP -
E1
,
SC1
,
ET1
,
ER1
MSZ-AY35VGKP -
E1
,
SC1
,
ET1
,
ER1
MSZ-AY42VGKP -
E1
,
SC1
,
ET1
,
ER1
MSZ-AY50VGKP -
E1
,
SC1
,
ET1
,
ER1
SERVICE MANUAL
INDOOR UNIT
PARTS CATALOG (OBB932)
CONTENTS
1. TECHNICAL CHANGES ······························3
2. PART NAMES AND FUNCTIONS ··················4
3. SPECIFICATION ········································5
4. NOISE CRITERIA CURVES ··························6
5. OUTLINES AND DIMENSIONS ·····················7
6. WIRING DIAGRAM ·····································8
7. REFRIGERANT SYSTEM DIAGRAM ··········· 13
8. SERVICE FUNCTIONS ······························14
9. MICROPROCESSOR CONTROL ·················20
10. TROUBLESHOOTING ······························· 30
11. DISASSEMBLY INSTRUCTIONS ················· 45
Outdoor unit service manual
MUZ-AY∙VG/VGH Series (OBH931)
MXZ-F∙VF/VFH Series (OBH790)
No. OBH932
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Mitsubishi Electric MSZ-AY50VGK-E1 Specifications

General IconGeneral
Cooling Capacity5.0 kW
RefrigerantR32
Power Supply220-240 V, 50 Hz
Outdoor Unit Dimensions (HxWxD)550 x 800 x 285 mm
Energy Efficiency Class CoolingA+++
TypeSplit System
Indoor Unit Dimensions (WxHxD)998 x 305 x 247 mm

Summary

Specifications

Outlines and Dimensions

Wiring Diagrams

Refrigerant System Diagram

Service Functions

Timer Short Mode

Shortens timer set times and compressor start-up for service.

Wi-Fi Interface Setup

Guides setting up the Wi-Fi interface for MELCloud connection.

Microprocessor Control

Timer Operation

Details setting and using ON/OFF timers for air conditioner operation.

Weekly Timer Operation

Allows setting up to 4 ON/OFF timers per day for a week.

Troubleshooting

Troubleshooting Cautions

Important safety and procedural checks before initiating troubleshooting.

Failure Mode Recall Function

Recalls and displays past abnormal conditions using indicator lamp patterns.

Troubleshooting Instructions

Step-by-step guide for diagnosing unit operation and error indicators.

Troubleshooting Check Table

Lists abnormal points, symptoms, conditions, and remedies for system errors.

Troubleshooting Criteria for Main Parts

Provides resistance checks and criteria for major internal components.

Troubleshooting Flowcharts

Visual guides for diagnosing issues with fan motors and communication.

Test Point Diagram and Voltage Checks

Illustrates test points and voltage specifications for diagnosing electronic boards.

Disassembly Instructions

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