Table Of Contents - Mitsubishi Electric PUZ-ZM35VKA Service Manual

Table of Contents

Table Of Contents1
Service Manual1
Indoor Unit Service Manual2
Safety Precaution2
Meanings Of Symbols Displayed On The Unit2
Cautions Related To New Refrigerant2
Reference Manual2
Warning For Service4
Cautions For Service4
Additional Refrigerant Charge4
Cautions For Unit Using R32 Refrigerant5
Repair To Intrinsically Safe Components6
Cabling6
Detection Of Flammable Refrigerants6
Leak Detection Methods6
Labelling7
Recovery7
Service Tools8
Cautions For Refrigerant Piping Work9
Thickness Of Pipes9
Dimensions Of Flare Cutting And Flare Nut9
Flare Cutting Dimensions9
Choosing The Outdoor Unit Installation Location10
Minimum Installation Area10
Features12
Chargeless System12
Specifications13
Data14
Refilling Refrigerant Charge14
Compressor Technical Data14
Noise Criterion Curves15
Standard Operation Data16
Outlines And Dimensions17
Wiring Diagram19
Wiring Specifications21
Field Electrical Wiring21
Electrical Wiring21
Synchronized Twin And Triple System Electrical Wiring21
Separate Indoor Unit/ Outdoor Unit Power Supplies22
Simultaneous Twin/Triple System22
Indoor – Outdoor Connecting Cable23
M-Net Wiring Method24
M-Net Address Setting25
M-Net Wiring25
Refrigerant Address Setting25
Regulations In Address Settings25
Refrigerant System Diagram26
Refrigerant Collecting (Pump Down)27
Start And Finish Of Test Run27
Operation From The Indoor Unit27
Operation From The Outdoor Unit27
Troubleshooting28
Check Point Under Test Run28
Before Test Run28
Test Run Operation29
Auto Vane Check29
Error Information30
Checking The Error Information31
Error History31
Deleting The Error History31
Test Run For Wireless Remote Controller32
How To Proceed "Self-Diagnosis"33
Self-Diagnosis For Wireless Remote Controller35
Malfunction-Diagnosis Method At Maintenance Service35
Self-Diagnosis Action Table37
M-Net Communication Error46
"PLEASE WAIT" Is Kept Being Displayed on the Remote Controller51
Nothing Is Displayed On The Remote Controller52
How To Check The Parts59
Check Method Of Dc Fan Motor60
How To Check The Components61
Low Temperature Thermistors61
Medium Temperature Thermistor61
High Temperature Thermistor61
Linear Expansion Valve62
Operation Summary Of The Linear Expansion Valve62
Output Pulse Signal And The Valve Operation62
Linear Expansion Valve Operation62
How To Attach And Detach The Coil Of Linear Expansion Valve63
How To Detach The Coil63
How To Attach The Coil63
Emergency Operation64
Emergency Operation Procedure64
Releasing Emergency Operation64
Operation Data During Emergency Operation65
Discharge Superheat (Shd)65
Degree Of Subcooling (Sc)65
Test Point Diagram66
Outdoor Controller Circuit Board66
Outdoor M-Net Board (Optional)69
Function Of Switches, Connectors And Jumpers69
Function Of Connector71
Special Function71
Display Function Of Inspection For Outdoor Unit72
Normal Condition72
Abnormal Condition72
Outdoor Unit Operation Monitor Function74
Digital Indicator Led1 Working Details74
Function Setting83
Unit Function Setting By The Remote Controller83
Function Selections83
Selecting Functions Using The Wired Remote Controller84
Maintenance Password Is Required84
Service Menu84
Selecting Functions Using The Wireless Remote Controller86
Operating Instructions86
Function Selection Of Remote Controller88
Menu Structure89
Main Menu List90
Monitoring The Operation Data By The Remote Controller91
How To "Monitor The Operation Data"91
Request Code List92
Detail Contents In Request Code96
Relay Output State96
Frequency Control State96
Fan Control State97
Actuator Output State97
Error Content97
Contact Demand Capacity98
External Input State98
Outdoor Unit -– Capacity Setting Display98
Outdoor Unit – Setting Information98
Indoor Unit – Capacity Setting Information99
Wireless Pair No. (Indoor Control Board Side) Setting99
Easy Maintenance Function100
Smooth Maintenance100
Guide For Opration Condition101
Check Points101
Disassembly Procedure102
Removing The Electrical Parts Box103
Removing The Thermistor103
Removing The 4-Way Valve105
Removing Lev105
Removing The High Pressure Switch (63H)105
Removing The Reactor (Acl)105
Removing The Compressor (Mc)106
Removing The Power Receiver106
Removing The Service Panel And Top Panel107
Removing The Fan Motor (Mf1)107
Removing The 4-Way Valve Coil, Lev Coil109
Removing The Lev109
Removing The Reactor (Dcl)110