Service manual

ESIE09-08A
ii Index
Malfunction of Tank Thermistor (R3T) .......................151
Malfunction of Thermistor (R3T, R5T) for Suction Pipe 1,
2 ............................................................................179
Malfunction of Thermistor (R3T) Liquid Thermistor R-
410A .....................................................................150
Malfunction of Thermistor (R4T) .................................183
Malfunction of Thermistor (R6T) for Outdoor Unit Heat
Exchanger .............................................................181
Malfunction of Thermistor (R7T) for Outdoor Unit Liquid
Pipe .......................................................................182
Malfunction of Thermostat Sensor in Remote Control 154
Malfunction of Transmission between Indoor Units and
Outdoor Units ...............................................210, 212
Malfunction of Transmission between Inverter and Control
PC Board .......................................................198, 199
Malfunction of Transmission between Main and Sub
Remote Controls ...................................................215
Malfunction of Transmission Between Outdoor Units .214
Malfunction of Transmission between Remote Control and
Indoor Unit ...........................................................213
Method of Replacing The Inverter’s Power Transistors
Modules ................................................................255
Model Name .................................................................258
N
Normal Operation ...........................................................55
O
Operation Mode ..............................................................54
Operation when Power is Turned On .............................85
Outdoor Unit PC Board Layout ......................................86
Outdoor Unit Thermistors for Discharge Pipe .............252
P
P1 ..........................................................................201, 202
PC Board Defect ...........................................142, 155, 156
PCB Layout for EKHBRD 011/014/016 AAV1 ............32
PJ ..................................................................................203
Power Supply Insufficient or Instantaneous Failure ....206,
208
Precautions for New Refrigerant (R-410A) ..................280
Pressure Sensor .............................................................254
Protection Control ...........................................................62
Pump Error (M1P) or Other Water System Error .........143
Pump-down Residual Operation .....................................60
R
Refrigerant Circuit ..........................................................12
Refrigerant Cylinders ...................................................282
Return Water Thermistor ..............................................152
S
Service Tools ................................................................283
Setting Modes ...............................................................262
Setting of Refrigerant Additional Charging Operation 124
Setting of Refrigerant Recovery Mode .........................124
Simultaneous demand of space heating and domestic water
heating ....................................................................71
Special Control ...............................................................58
Specifications ....................................................................6
Startup Control ...............................................................58
Stopping Operation ........................................................ 61
Switch Box Layout ................................................. 30, 267
Symptom-based Troubleshooting ................................ 129
System is not Set yet .................................................... 217
T
Tank Thermistor ........................................................... 253
Technical Specifications .............................................. 261
Test Operation
Procedure and Outline ............................................. 78
Thermistor Resistance / Temperature Characteristics .. 251
U
U0 ................................................................................. 204
U2 ......................................................................... 206, 208
U4 ......................................................................... 210, 212
U5 ................................................................................. 213
U8 ................................................................................. 215
UA ........................................................................ 214, 216
UF ................................................................................. 217
UH ................................................................................ 218
W
Water circuit error ........................................................ 146
Wiring Diagrams .......................................................... 269