Table Of Contents - Mitsubishi Electric PUHY-RP200 Service Handbook

Table of Contents

Safety Precautions2
Before Installing The Unit5
Before The Test Run7
Table Of Contents8
Read Before Servicing10
I Read Before Servicing12
Necessary Tools And Materials13
Storage Of Piping14
Pipe Processing14
Sealing The Pipe Ends14
Brazing15
Air Tightness Test16
Vacuum Drying (Evacuation)17
Refrigerant Charging18
Remedies To Be Taken In Case Of A Refrigerant Leak18
Characteristics Of The Conventional And The New Refrigerants19
Notes On Refrigerating Machine Oil20
Restrictions22
System Configuration24
Table Of Compatible Indoor Units24
Types And Maximum Allowable Length Of Cables25
Remote Controller Wiring26
Reusability Of Ma Remote Controller Wiring28
Reusability Of M-Net Remote Controller Wiring28
Reusability Of System Controller Wiring28
Non-Using Wiring28
Reusability Of Transmission Line29
Checking The Cable Size30
Switch Settings And Address Settings31
M-Net Address Settings32
Example Of Wiring Connection35
Demand Control36
Sample System Connection38
An Example Of A System To Which An Ma Remote Controller Is Connected39
Address Setting Method40
Group Operation Of Units In A System With Multiple Outdoor Units43
An Example Of A System To Which An Me Remote Controller Is Connected49
An Example Of A System To Which Both Ma Remote Controller And Me Remote Controller Are Connected51
Restrictions On Pipe Length53
Determining The Reusability Of The Existing Piping55
Refrigerant Pipe Size61
Outdoor Unit Components64
Outdoor Unit Components And Refrigerant Circuit66
Front View Of An Outdoor Unit66
Control Box Of The Outdoor Unit68
Outdoor Unit Circuit Board69
M-Net Board70
Inv Board71
Fan Board72
Noise Filter73
Remote Controller74
Functions And Specifications Of Ma And Me Remote Controllers76
Remote Controller Selection Criteria76
Group Settings And Interlock Settings Via The Me Remote Controller77
Remote Controller Function Selection Via The Me Remote Controller79
Operation Procedures (Remote Controller)80
Skip-Auto-Mode Setting80
Operation Mode Display Selection Mode80
Restricted Preset Temperature Range Mode80
Interlock Settings Via The Ma Remote Controller81
Using The Built-In Temperature Sensor On The Remote Controller82
Electrical Wiring Diagram84
Electrical Wiring Diagram Of The Outdoor Unit86
Electrical Wiring Diagram Of Transmission Booster87
Refrigerant Circuit88
Refrigerant Circuit Diagram90
Principal Parts And Functions91
Control96
Functions And Factory Settings Of The Dipswitches98
Function Of The Switch (Indoor Unit)101
Controlling The Outdoor Unit104
Outline Of Control Method104
Startup Sequence Rotation104
Initial Control/Control At Start-Up104
Bypass Control105
Compressor Frequency Control106
Controlling The Intermediate Pressure106
Controlling The Plate Heat Exchanger106
Controlling The Plate Heat Exchanger 2107
Defrost Operation Control107
Refrigerant Recovery Control108
Capacity Control Of Outdoor Fan109
Refrigerant Flow Control109
Control At Initial Start-Up109
Emergency Operation Mode112
Starting The Emergency Operation112
Ending The Emergency Operation113
Operation Mode114
Operation Flow Chart116
Mode Determination Flowchart116
Operations In Each Mode118
Dry Operation120
Test Run Mode122
Items To Be Checked Before A Test Run124
Test Run Method125
Operating Characteristic And Refrigerant Amount126
Adjusting The Refrigerant Amount126
Amount Of Refrigerant To Be Added127
Refrigerant Amount Adjust Mode129
The Following Symptoms Are Normal131
Standard Operation Data (Reference Data)132
Troubleshooting158
Error Code Lists160
Responding To Error Display On The Remote Controller163
Serial Communication Error163
Discharge Temperature Fault164
Low Pressure Fault165
High Pressure/Intermediate Pressure Fault 1 (Outdoor Unit)166
High Pressure Fault 2 (Outdoor Unit)167
Refrigerant Overcharge167
Drain Sensor Submergence (Models With A Drain Sensor)168
Drain Sensor Submergence (Models With A Float Switch)169
Drain Pump Fault (Models With A Drain Sensor)170
Drain Pump Fault (Models With A Float Switch)171
Drain Sensor (Thd) Fault172
Water Leakage From Humidifier173
Water Supply Cutoff174
Open Phase175
Error Code 4106176
Transmission Power Supply Fault Error Detail Code Ff (Outdoor Unit)176
Power Supply Signal Sync Error177
Rpm Error/Motor Error177
Abnormal Bus Voltage Drop178
Abnormal Bus Voltage Rise179
Vdc Error179
Logic Error180
Low Bus Voltage At Startup181
Heatsink Overheat Protection181
Overload Protection182
Ipm Error182
Acct Overcurrent Relay Trip183
Dcct Overcurrent Relay Trip183
Overcurrent Relay Trip183
Short-Circuited Ipm/Ground Fault183
Overcurrent Error Due To Short-Circuited Motor184
Heatsink Overheat Protection At Startup184
Return Air Temperature Sensor Fault185
Gas-Side Pipe Temperature Sensor Fault185
Intake Air Temperature Sensor Fault185
Hic Bypass Circuit Outlet Temperature Sensor Fault (Outdoor Unit)186
Discharge Temperature Sensor (Th4) Fault186
Accumulator Inlet Temperature Sensor (Th5) Fault186
Hic Circuit Outlet Temperature Sensor (Th6) Fault186
Heatsink Temperature Sensor (Thhs) Fault187
High-Pressure Sensor Fault187
Acct Sensor Fault188
Dcct Sensor Fault188
Acct Sensor Circuit Fault189
Dcct Sensor Circuit Fault190
Open-Circuited Ipm/Loose Acct Connector191
Faulty Acct Wiring191
Loose Float Switch Connector192
Remote Controller Board Fault (Nonvolatile Memory Error)192
Remote Controller Board Fault (Clock Ic Error)192
Indoor Unit Cleaning Operation Error193
Address Overlap193
Polarity Setting Error194
Transmission Processor Hardware Error195
Transmission Line Bus Busy Error196
Communication Error Between Device And Transmission Processors196
No Ack Error197
Error Code 6607204
No Response Error205
Ma Controller Signal Reception Error (No Signal Reception)206
Ma Remote Controller Signal Transmission Error (Synchronization Error)207
Ma Remote Controller Signal Transmission Error (Hardware Error)208
Ma Controller Signal Reception Error (Start Bit Detection Error)209
Total Capacity Error210
Capacity Code Setting Error211
Wrong Number Of Connected Units212
Address Setting Error213
Attribute Setting Error213
Error Code 7110/7111214
Connection Information Signal Transmission/Reception Error214
Remote Controller Sensor Fault214
Error Code 7113/7116/7117215
Function Setting Error215
Replace Unit Cleaning Setting Error215
Refrigerant Pipe Cleaning Has Not Been Completed215
Model Setting Error215
Incompatible Unit Combination216
Troubleshooting According To The Remote Controller Malfunction217
Outdoor Unit Stops At Times During Operation229
Investigation Of Transmission Wave Shape/Noise230
M-Net Transmission230
Ma Remote Controller Transmission232
Troubleshooting Principal Parts233
High-Pressure Sensor (63Hs1) And Intermediate-Pressure Sensor233
Low-Pressure Sensor234
Solenoid Valve235
Outdoor Unit Fan236
Lev Operation237
Inverter-Related Problems: Troubleshooting And Remedies243
Inverter Output Related Troubles245
Trouble Treatment When The Main Power Breaker Is Tripped248
Trouble Treatment When The Main Power Earth Leakage Breaker Is Tripped248
Troubleshooting For Igbt Module249
Inv Board External Diagram250
Control Circuit251
Indoor Unit251
Troubleshooting Transmission Power Circuit Of Outdoor Unit252
Refrigerant Leak253
Compressor Replacement Instructions255
Plate Heat Exchanger Assy Replacement Instructions257
Troubleshooting Using The Outdoor Unit Led Error Display258
Led Monitor Display On The Outdoor Unit Board260
How To Read The Led On The Service Monitor262
Time Data Storage Function263
Led Monitor Display264
Data Before Error265