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Table of Contents
OUTDOOR UNIT
SERVICE MANUAL
Models
SUZ-SWM30VA.TH
SUZ-SHWM30VAH.TH
SUZ-SWM40VA2.TH
SUZ-SWM40VA2-SC.TH
SUZ-SHWM40VAH.TH
SUZ-SHWM40VAH-SC.TH
SUZ-SWM60VA2.TH
SUZ-SWM60VA2-SC.TH
SUZ-SHWM60VAH.TH
SUZ-SHWM60VAH-SC.TH
SUZ-SWM30VA
SUZ-SHWM30VAH
SUZ-SWM40VA2
SUZ-SWM40VA2-SC
SUZ-SHWM40VAH
SUZ-SHWM40VAH-SC
SUZ-SWM60VA2
SUZ-SWM60VA2-SC
HFC
utilized
R32
SUZ-SWM80VA2.TH
SUZ-SWM80VAH2.TH
SUZ-SWM100VA.TH
SUZ-SWM100VAH.TH
Revision:
• Specification has been
OCH796 is void.
Indoor unit service manual
EHST30D/ERST30D Series (OCH714)
CONTENTS
1. SAFETY PRECAUTION ······················· 3
2. PART NAMES AND FUNCTIONS ·········· 5
3. SPECIFICATION ································ 6
4. NOISE CRITERIA CURVES ················ 10
5. OUTLINES AND DIMENSIONS ··········· 12
6. WIRING DIAGRAM ··························· 14
8. ACTUATOR CONTROL ····················· 20
9. SERVICE FUNCTIONS ······················ 21
10. TROUBLESHOOTING ······················· 25
11. DISASSEMBLY INSTRUCTIONS ········· 40
PARTS CATALOG (OCB796)
November 2022
No. OCH796
REVISED EDITION-A
updated in REVISED
EDITION-A.
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Table of Contents
Related Manuals for Mitsubishi Electric SUZ-SWM80VA2 TH Series
Summarization of Contents
SAFETY PRECAUTIONS
Servicing Precautions for R32 Units
Safety guidelines for servicing units using flammable R32 refrigerant.
General Servicing Procedures
Covers safe handling, repairs, evacuation, charging, and decommissioning steps.
ACTUATOR CONTROL
Outdoor Fan Motor Control
Details the ON/OFF operation of the outdoor fan motor based on compressor status.
R.V. Coil Control
Explains the control logic for the R.V. coil in cooling and heating modes.
Sensor-Actuator Relationships
Maps sensors to actuators like compressor, LEV, fan, and R.V. coil.
SERVICE FUNCTIONS
Defrost Setting Adjustment
Procedure for changing the defrost finish temperature via jumper wire.
Breaker Size Configuration
Guidance on adjusting breaker size settings using jumper wires.
Outdoor Unit Operation Monitoring
How to check outdoor unit status and parameters using request codes.
TROUBLESHOOTING
Troubleshooting Precautions
Important safety and handling instructions before performing troubleshooting.
Symptom Check Table
Lists symptoms, LED indications, abnormal points, conditions, and remedies.
Self-Diagnosis Procedure
Instructions for initiating and interpreting the self-diagnosis function.
Main Part Troubleshooting Criteria
Resistance and measurement criteria for diagnosing key components.
Troubleshooting Flowcharts
Step-by-step diagnostic guides for various components and systems.
Test Point Diagrams and Voltage
Visual guides for checking electrical points and voltages on the inverter P.C. board.
DISASSEMBLY INSTRUCTIONS
Cabinet and Panel Removal
Step-by-step guide to removing the unit's outer casing and panels.
Inverter Assembly and P.C. Board Removal
Procedure for safely removing the inverter assembly and P.C. board.
Component Removal
Steps for removing R.V. coil, thermistors, and outdoor fan motor.
Compressor and 4-Way Valve Removal
Detailed instructions for removing the compressor and 4-way valve.
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