Table Of Contents - Mitsubishi Electric PURY-(E)P200 Service Handbook

Table of Contents

Safety Precautions2
Precautions For Handling Units For Use With R410A4
Before Installing The Unit5
Electrical Work6
Before The Test Run7
Table Of Contents8
Read Before Servicing10
I Read Before Servicing12
Necessary Tools And Materials13
To Be Used Exclusively With R410A13
Tools And Materials That May Be Used With R410A With Some Restrictions13
Piping Materials14
Copper Pipe Materials14
Types Of Copper Pipes14
Piping Materials/Radial Thickness14
Flare Processing15
Flare Nut15
Storage Of Piping16
Pipe Processing16
Storage Location16
Sealing The Pipe Ends16
Brazing17
Use Of Oxidized Solder For Brazing17
Use Of Non-Oxidized Solder For Brazing17
Items To Be Strictly Observed17
Air Tightness Test18
Halide Torch18
R22 Leakage Detector18
Vacuum Drying (Evacuation)19
Recommended Vacuum Gauge19
Standard Of Vacuum Degree19
Required Precision Of Vacuum Gauge19
Refrigerant Charging21
Cylinder With A Siphon21
Cylinder Without A Siphon21
Remedies To Be Taken In Case Of A Refrigerant Leak21
Characteristics Of The Conventional And The New Refrigerants22
Chemical Property22
Refrigerant Composition22
Pressure Characteristics22
Notes On Refrigerating Machine Oil23
Refrigerating Machine Oil In The Hfc Refrigerant System23
Effects Of Contaminants23
Restrictions24
System Configuration26
Standard Combinations26
High Cop Combinations26
Types And Maximum Allowable Length Of Cables27
Wiring Work27
M-Net Transmission Line27
Remote Controller Wiring28
Switch Settings And Address Settings28
M-Net Address Settings29
Address Settings Table29
Power Supply Switch Connector Connection On The Outdoor Unit30
Selecting The Position Of Temperature Detection For The Indoor Unit30
Various Start-Stop Controls31
Miscellaneous Settings31
Example Of Wiring Connection32
Sw4-4: Off33
Sample System Connection34
An Example Of A System To Which An Ma Remote Controller Is Connected35
Wiring Method36
Indoor/Outdoor Transmission Line36
Lossnay Connection36
Ma Remote Controller Wiring36
Sample Control Wiring37
Cautions37
Maximum Allowable Length37
Group Operation Of Units In A System With Multiple Outdoor Units39
Transmission Line For Centralized Control40
Shielded Cable Connection40
Address Setting Method40
An Example Of A System To Which An M-Net Remote Controller Is Connected47
An Example Of A System To Which Both Ma Remote Controller And M-Net Remote Controller Are Connected49
Restrictions On Pipe Length52
Refrigerant Pipe Size58
Between Outdoor Unit And The First Twinning Pipe58
Between Bc Controller And Indoor Unit58
Between The Main And Sub Bc Controllers58
Connecting The Bc Controller59
Size Of The Pipe That Fits The Standard Bc Controller Ports59
To Connect Multiple Indoor Units To A Port60
Size Of The Pipe That Fits The Main Bc Controller Ports61
Size Of The Pipe That Fits The Sub Bc Controller Ports62
Outdoor Unit Components64
Outdoor Unit Components And Refrigerant Circuit66
Refrigerant Circuit67
Control Box Of The Outdoor Unit69
Outdoor Unit Circuit Board70
M-Net Board71
Inv Board72
Fan Board73
Noise Filter74
Bc Controller Components75
Rear View76
Control Box Of The Bc Controller78
Bc Controller Circuit Board79
Remote Controller82
Functions And Specifications Of Ma And Me Remote Controllers84
Remote Controller Selection Criteria84
System With Ma Remote Controller84
Successful Completion Of Registration85
Deletion Error85
Group Settings And Interlock Settings Via The Me Remote Controller85
To Search Group Settings86
To Return To The Normal Display86
Interlock Setting Search86
Address Deletion86
To Delete Group Settings87
To Delete Interlock Settings87
Remote Controller Function Selection Via The Me Remote Controller87
Skip-Auto-Mode Setting88
Operation Mode Display Selection Mode88
Restricted Preset Temperature Range Mode88
Room Temperature Display Selection Mode88
Interlock Settings Via The Ma Remote Controller89
Using The Built-In Temperature Sensor On The Remote Controller90
Electrical Wiring Diagram92
Electrical Wiring Diagram Of The Outdoor Unit94
Electrical Wiring Diagram Of The Bc Controller95
Electrical Wiring Diagram Of Transmission Booster105
Refrigerant Circuit Diagram108
Bc Controller112
Principal Parts And Functions115
Control124
Functions And Factory Settings Of The Dipswitches126
Function Of The Switch (Indoor Unit)129
Dipswitches129
Function Of The Switch130
Address Switch130
Me Remote Controller131
Switch Functions131
Controlling The Outdoor Unit132
Outline Of Control Method132
Startup Sequence Rotation132
Initial Control132
Bypass Control133
Bypass Solenoid Valve133
Compressor Frequency Control134
Discharge Temperature Limit134
Periodic Frequency Control134
Defrost Operation Control135
Starting The Defrost Operation135
Stopping The Defrost Operation136
Problems During Defrost Operation136
Refrigerant Recovery Control136
Outdoor Unit Heat Exchanger Capacity Control Patterns137
Control At Initial Start-Up138
Flowchart Of Initial Operation138
Emergency Operation Mode139
Starting The Emergency Operation139
Ending The Emergency Operation139
Control At Or After The Completion Of Emergency Operation139
Indoor Unit Operation Mode143
Outdoor Unit Operation Mode143
Operation Pattern For Automatic Cooling/Heating Mode143
Demand Control144
Controlling Bc Controller145
Control Of Svm1 Snd Svmb145
Control Of Lev145
Control Of Svm2, And Svm2B145
Operation Flow Chart146
Mode Determination Flowchart146
Dry Operation151
Test Run Mode152
Items To Be Checked Before A Test Run154
Test Run Method155
Operating Characteristic And Refrigerant Amount156
Adjusting The Refrigerant Amount156
Amount Of Refrigerant156
To Be Checked During Operation156
Amount Of Refrigerant To Be Added157
Calculation Formula157
Refrigerant Amount Adjust Mode159
The Following Symptoms Are Normal161
Cooling Only Operation162
Standard Operation Data (Reference Data)162
Troubleshooting184
Error Code Lists186
Responding To Error Display On The Remote Controller189
Error Definition And Error Detection Method189
Cause, Check Method And Remedy190
Error Code 1302192
High Pressure Fault 1 (Outdoor Unit)192
Error Code 2502 Drain Pump Fault197
Water Leakage199
Water Supply Cutoff199
Open Phase200
Transmission Power Supply Fault201
Other Than Error Detail Code Ff (Outdoor Unit)201
Power Supply Signal Sync Error202
Rpm Error/Motor Error202
Abnormal Bus Voltage Drop (Detail Code 108)203
Abnormal Bus Voltage Rise (Detail Code 109)204
Logic Error (Detail Code No.111)204
Low Bus Voltage At Startup (Detail Code 131)205
Heatsink Overheat Protection205
Overload Protection206
Ipm Error (Detail Code 101)207
Acct Overcurrent (H/W Detection) (Detail Code 102)208
Dcct Overcurrent (H/W Detection) (Detail Code 103)208
Instantaneous Overcurrent (Detail Code 106)208
Overcurrent (Detail Code 107)208
Overcurrent Error Due To Short-Circuited Motor (Detail Code 105)209
Return Air Temperature Sensor (Th21) Fault (Indoor Unit)210
Return Air Temperature Sensor (Th4) Fault (Oa Processing Unit)210
Heat Exchanger Outlet Temperature Sensor (Th3) Fault (Outdoor Unit)211
Discharge Temperature Sensor (Th4) Fault (Outdoor Unit)211
Accumulator Inlet Temperature Sensor (Th5) Fault (Outdoor Unit)211
Heat Exchanger Inlet Temperature Sensor (Th6) Fault (Outdoor Unit)211
Heatsink Temperature Sensor (Thhs) Fault (Detail Code 01)212
Liquid Inlet Temperature Sensor (Th11) Fault (Bc Controller)213
Bypass Outlet Temperature Sensor (Th12) Fault (Bc Controller)213
Lev3 Outlet Temperature Sensor (Th15) Fault (Bc Controller)213
Lev3 Inlet Temperature Sensor (Th16) Fault (Bc Controller)213
High-Pressure Sensor Fault (63Hs1) (Outdoor Unit)214
High-Pressure Sensor Fault (Outdoor Unit Hps/Bc Controller Ps1)215
Intermediate Pressure Sensor Fault (Bc Controller Ps3)215
Acct Sensor Fault (Detail Code 115)215
Acct Sensor Circuit Fault (Detail Code 117)216
Open-Circuited Ipm/Loose Acct Connector (Detail Code 119)217
Faulty Acct Wiring (Detail Code 120)217
Temperature Sensor Fault218
Loose Float Switch Connector219
Remote Controller Board Fault (Nonvolatile Memory Error)219
Remote Controller Board Fault (Clock Ic Error)219
Address Overlaps220
Polarity Setting Error220
Transmission Processor Hardware Error221
Transmission Line Bus Busy Error222
Communication Error Between Device And Transmission Processors222
No Ack Error223
No Response Error232
Ma Controller Signal Reception Error (No Signal Reception)233
Ma Remote Controller Signal Transmission Error (Synchronization Error)234
Ma Remote Controller Signal Transmission Error (H/W Error)235
Ma Controller Signal Reception Error (Start Bit Detection Error)236
Total Capacity Error237
Capacity Code Setting Error238
Wrong Number Of Connected Units239
Address Setting Error240
Port Setting Error241
Connection Information Signal Transmission/Reception Error242
Remote Controller Sensor Fault242
Function Setting Error243
Model Setting Error243
Incompatible Unit Combination243
In The Case Of Ma Remote Controller245
In Case Of M-Net Remote Controller249
Both For Ma Remote Controller And M-Net Remote Controller252
Investigation Of Transmission Wave Shape/Noise257
Troubleshooting Principal Parts260
High-Pressure Sensor260
Pressure Sensor Configuration260
Low-Pressure Sensor261
Solenoid Valve262
In Case Of 21S4A262
In Case Of Sv1A262
Refrigerant Circuit Figure (P200 - P300, Ep200 Models)263
Refrigerant Circuit Figure (P350 - P400, Ep300 Models)264
In The Case Of Sv5B265
In The Case Of Sv5C265
In The Case Of Sv9265
Outdoor Unit Fan266
Lev Operation266
Indoor Lev And Bc Controller Lev266
Pulse Signal Output And Valve Operation266
Judgment Methods And Possible Failure Mode268
Troubleshooting Principal Parts Of Bc Controller269
Troubleshooting Flow Chart For Pressure Sensor269
Check The Self-Diagnosis Switch270
Temperature Sensor271
Troubleshooting Instructions For Thermistor271
Troubleshooting Flow Chart For Lev Solenoid Valve273
Check Method Of Fully Open State Or Fully Closed State Of Lev274
Self-Diagnosis Led275
Troubleshooting Flow Chart For Solenoid Valve Body276
Solenoid Valve (Sva, Svb, Svc)277
Bc Controller Transformer279
Inverter-Related Problems: Troubleshooting And Remedies280
Troubleshooting For Igbt Module285
Tester Restriction285
Judgment Value (Reference)286
Inv Board External Diagram286
Control Power Source Function Block287
Troubleshooting Transmission Power Circuit Of Outdoor Unit288
Refrigerant Leak289
Leak Spot: In The Case Of Extension Pipe For Indoor Unit289
Leak Spot: In The Case Of Outdoor Unit289
Leak Spot: In The Case Of Outdoor Unit (Heating Season)290
Compressor Replacement Instructions291
Solenoid Valve Block Assy293
Solenoid Valve Block Assy (Sv4A, Sv4B, Sv4D) Replacement Procedures293
To Install Solenoid Valve Block Assy293
To Remove Solenoid Valve Block Assy293
Solenoid Valve (Sv1A), Capillary Tube Assy (Cp1) Replacement301
Servicing The Bc Controller302
Service Panel302
Control Box302
Thermistor303
Pressure Sensor303
Lev304
Troubleshooting Using The Outdoor Unit Led Error Display305
Led Is Blank305
Only The Software Version Appears On The Led Display305
Led Monitor Display On The Outdoor Unit Board306
How To Read The Led On The Service Monitor308
Led Display At Initial Setting308
Time Data Storage Function309
Date Display309