Table Of Contents - Mitsubishi Electric PUHZ-SW75VHA Service Manual

Table of Contents

Table Of Contents1
Service Manual1
Indoor Unit Service Manual2
Reference Manual2
Safety Precaution3
Cautions Related To New Refrigerant3
Cautions For Service4
Additional Refrigerant Charge4
Service Tools4
Precautions When Reusing Existing R22 Refrigerant Pipes5
Cautions For Refrigerant Piping Work6
Thickness Of Pipes6
Dimensions Of Flare Cutting And Flare Nut6
Flare Cutting Dimensions6
Features7
Chargeless System7
Specifications8
Plate Heat Exchanger8
Rating Conditions8
Data11
Refilling Refrigerant Charge11
Compressor Technical Data11
Noise Criterion Curves12
Outlines And Dimensions13
Wiring Diagram15
Wiring Specifications18
Field Electrical Wiring18
Power Wiring Specifications18
Refrigerant System Diagram19
Refrigerant Collecting (Pump Down)20
Unit Replacement Operation20
Start And Finish Of Test Run20
Troubleshooting21
Check Point Under Test Run21
Before Test Run21
Self-Diagnosis Action Table22
"PLEASE WAIT" Is Kept Being Displayed on the Remote Controller33
Nothing Is Displayed On The Remote Controller34
How To Check The Parts40
Check Method Of Dc Fan Motor41
The Outdoor Fan Cannot Turn Around41
How To Check The Components41
Thermistor Feature Chart42
Low Temperature Thermistors42
Medium Temperature Thermistor42
High Temperature Thermistor42
Linear Expansion Valve43
Operation Summary Of The Linear Expansion Valve43
Output Pulse Signal And The Valve Operation43
Linear Expansion Valve Operation43
How To Attach And Detach The Coil Of Linear Expansion Valve44
How To Detach The Coil44
How To Attach The Coil44
Test Point Diagram45
Outdoor Controller Circuit Board45
Outdoor Noise Filter Circuit Board46
Outdoor Power Circuit Board48
Brief Check Of Dip-Ipm And Dip-Pfc48
Brief Check Of Power Module49
Outdoor Converter Circuit Board51
Function Of Switches52
Function Of Connector53
Special Function53
Low-Level Sound Priority Mode53
On Demand Control53
Display Function Of Inspection For Outdoor Unit54
Normal Condition54
Abnormal Condition54
Outdoor Unit Operation Monitor Function56
Digital Indicator Led1 Working Details56
Display During Error Postponement56
When The Display Blinks56
Disassembly Procedure65
Removing The Service Panel And Top Panel65
Removing The Fan Motor65
Removing The Electrical Parts Box65
Removing The Thermistor66
Operating Procedure66
Removing The 4-Way Valve Coil (21S4), Lev Coil67
Removing The 4-Way Valve67
Removing The Lev67
Removing The High Pressure Switch (63H)68
Removing The Reactor (Acl)68
Removing The Compressor (Mc)69
Removing The Power Receiver69
Removing The Fan Motor (Mf1, Mf2)70
Removing The 4-Way Valve Coil72
Removing The Lev Coil72
Removing The Reactor (Dcl) And Capacitor (Ce)73
Disassembling The Electrical Parts Box75