Table Of Contents - Mitsubishi Electric Mr.Slim PUHZ-RP35VHA3 Service Manual

Table of Contents

Table Of Contents1
Service Manual1
Outdoor Unit1
Model Names1
Technical Changes3
Reference Manual4
Safety Precaution5
Cautions Related To New Refrigerant5
Cautions For Service5
Additional Refrigerant Charge5
Service Tools6
Refrigerant Leakage Detection Function6
Precautions When Reusing Existing R22 Refrigerant Pipes7
Connecting A New Air Conditioner7
Cautions For Refrigerant Piping Work8
Dimensions Of Flare Cutting And Flare Nut8
Diagram Below: Piping Diameter And Thickness8
Flare Cutting Dimensions8
Features9
Chargeless System9
Specifications10
Heating10
Data13
Refilling Refrigerant Charge13
Compressor Technical Data13
Noise Criterion Curves14
Standard Operation Data15
Puhz-Rp60Vha3 Puhz-Rp71Vha318
Outlines And Dimensions20
Free Space Around The Outdoor Unit20
Minimum Installation Space For Outdoor Unit20
Attaching The Conduit20
Puhz-Rp60Vha221
Puhz-Rp71Vha221
Wiring Diagram25
Wiring Specifications32
Field Electrical Wiring32
Electrical Wiring32
Synchronized Triple32
Separate Indoor Unit/ Outdoor Unit Power Supplies33
1:1 System33
Simultaneous Twin/Triple System33
Indoor – Outdoor Connecting Cable34
M-Net Wiring Method35
M-Net Transmission Wire35
M-Net Wiring36
M-Net Address Setting36
Refrigerant Address Setting36
Regulations In Address Settings36
Refrigerant System Diagram37
Refrigerant Recovering39
Unit Replacement Operation39
Replacement Operation Procedures39
Start And Finish Of Test Run39
Troubleshooting40
Check Point Under Test Run40
Before Test Run40
Test Run [For Wireless Remote Controller]42
How To Proceed "Self-Diagnosis"43
When A Problem Occurs During Operation43
Self-Diagnosis During Maintenance Or Service43
Display Self-Diagnosis Results43
Remote Controller Diagnosis44
Malfunction-Diagnosis Method By Wireless Remote Controller45
Malfunction-Diagnosis Method At Maintenance Service45
Errors Detected By Indoor Unit46
Errors Detected By Unit Other Than Indoor Unit46
Self-Diagnosis Action Table47
Abnormalities Detected When The Power Is Put On47
Miswiring Of Indoor/Outdoor Unit Connecting Wire48
Start-Up Time Over48
Abnormalities Detected While Unit Is Operating49
High Pressure49
High Discharging Temperature49
Abnormal If Discharge Superheat49
Open/Short Circuit Of Discharge Temperature Thermistor (Th4)50
Open/Short Of Outdoor Unit Thermistors50
Temperature Of Heatsink50
Power Module50
Outdoor Fan Motor51
Over Heat Protection51
Compressor Overcurrent Interruption51
Current Sensor Error52
Low Pressure52
Remote Controller Control Board53
Indoor/Outdoor Unit Communication Error53
Non Defined Error Code53
Serial Communication Error53
Pipe Temperature54
Address Duplicate Definition54
Hard Ware Error Of Transmission Processor54
Bus Busy54
Communication Error With Communication Processor55
No Ack Signal55
Transmitting Side Controller Detects55
M-Net No Response57
Troubleshooting By Inferior Phenomena57
Please Wait59
Nothing Is Displayed On The Remote Controller 160
Before Repair63
Frequent Calling From Customers63
How To Check The Parts67
Check Method Of Dc Fan Motor68
How To Check The Components69
Thermistor Feature Chart69
Low Temperature Thermistors69
Medium Temperature Thermistor69
Linear Expansion Valve70
Operation Summary Of The Linear Expansion Valve70
Output Pulse Signal And The Valve Operation70
Linear Expansion Valve Operation70
How To Attach And Detach The Coil Of Linear Expansion Valve72
How To Detach The Coil72
How To Attach The Coil72
Emergency Operation74
Emergency Operation Procedure74
Releasing Emergency Operation74
Operation Data During Emergency Operation75
Discharge Superheat (Shd)75
Degree Of Subcooling (Sc)75
Test Point Diagram Outdoor Controller Circuit Board76
Outdoor Noise Filter Circuit Board78
Outdoor Power Circuit Board86
Brief Check Of Dip-Ipm And Dip-Pfc86
Brief Check Of Power Module88
Outdoor Converter Circuit Board90
Active Filter Module91
Connection And Internal Circuit Diagram91
Function Of Switches, Connectors And Jumpers93
Special Function95
Low-Level Sound Priority Mode95
How To Wire95
Display Function Of Inspection For Outdoor Unit96
Outdoor Unit Operation Monitor Function98
Sw2 : Indicator Change Of Self Diagnosis98
The Number Of Connected Indoor Units101
Capacity Setting Display101
Outdoor Unit Setting Information101
Indoor Setting Temperature102
Outdoor Pipe Temperature / 2-Phase102
Outdoor Ambient Temperature (Th7)102
Outdoor Heatsink Temperature (Th8)102
Capacity Save103
Error Code History (3) (Oldest)103
Error Thermistor Display103
Operation Frequency On Error Occurring103
Lev-A Opening Pulse On Error Occurring104
Sub Cool On Error Occurring Sc105
Thermo-On Time Until Error Stops105
Indoor Pipe Temperature / Liquid105
Indoor Pipe Temperature / Cond./ Eva.105
Controlling Status Of Compressor Operating Frequency106
Function Setting107
Unit Function Setting By The Remote Controller107
Meaning Of "Function Setting"107
Selecting Functions Using The Wired Remote Controller109
Operating Procedure110
Selecting Functions Using The Wireless Remote Controller111
Flow Of Function Selection Procedure111
Operating Instructions111
Function Selection Of Remote Controller112
Change Language Setting112
Mode Selection Setting112
Timer Function Setting112
Function Selection Flowchart113
Setting Language (English)113
Monitoring The Operation Databythe Remote Controller114
How To "Monitor The Operation Data"114
Operating The Service Inspection Monitor114
Canceling The Monitoring The Operation Data114
Request Code List115
Detail Contents In Request Code119
Fan Control State120
Actuator Output State120
Error Content (U9)120
Contact Demand Capacity121
External Input State121
Outdoor Unit -– Capacity Setting Display121
Outdoor Unit – Setting Information121
Outdoor Unit Switch Setting Display122
Indoor Unit – Model Setting Information123
Data Display123
Indoor Unit – Capacity Setting Information123
Wireless Pair No. (Indoor Control Board Side) Setting123
Easy Maintenance Function124
Maintenance Mode Operation Method124
Switching To Maintenance Mode124
Fixed Hz Operation124
Data Measurement125
Outdoor Unit Information125
Indoor Unit Information125
Single Refrigerant System125
Guide For Operation Condition126
Initial Settings For Refrigerant Leakage Detection Function127
Remote Controller Button Position127
How To Select The "Refrigerant Leakage Detection" Mode127
How To Start The Initial Learning127
How To Start "Judgment Of Refrigerant Leakage " Mode128
How To Reset The Initial Condition (Data)128
Disassembly Procedure129
Removing The Fan Motor129
Removing The Electrical Parts Box130
Removing The Thermistor130
Removing The 4-Way Valve132
Removing Lev132
Removing The High Pressure Switch132
Removing The Reactor132
Removing The Compressor (Mc)133
Removing The Power Receiver133
Removing The Service Panel And Top Panel134
Removing The Fan Motor (Mf1)134
Removing The 4-Way Valve Coil136
Removing The Lev136
Removing The Bypass Valve137
Removing The High Pressure Switch (63H)137
Removing The Reactor (Acl)137
Removing The Reactors (Acl1, Acl2, Acl3)149
Parts List151
Functional And Electrical Parts154
Rohs Parts List162