Service manual

SiE18-201
Drawings & Flow Charts vii
Piping Diagrams
BPMK928B42 ................................................311
BPMK928B43 ................................................311
CDX25 / 35 / 50 / 60HAV1NB,
CDX25 / 35 / 50 / 60JV1NB ..............313
CDX25 / 35 / 50 / 60JH ..................................315
FHYB35 / 45 / 60 / 71FK7V1,
FHYC35 / 45 / 60 / 71B7V1 ..............314
FLX25 / 35HV1NB
.........................................313
FLX50 / 60JV1B ............................................314
FTK50 / 60HVEC ...........................................315
FTX25 / 35JAV1NB .......................................312
FTX50 / 60HVEC ...........................................315
FTXD25 / 35KZV1B .......................................315
FTXD50 / 60 / 71JV1B ...................................312
FVX25 / 35KZV1B .........................................316
RMX140JVMB / RMX140JZVMB ..................310
Power Supply Waveforms Check ........................257
Power Transistor Output Check ...........................253
Pre-Equalization Standby Operation ......................77
Pre-Heat Operation (Heat Pump Only) ..................40
Program Dry Function ............................................40
Program Dry Operation ..........................................45
Pump Down Operation .........................................122
R
Refrigerant System and Function of Functional
Parts of Outdoor Unit ......................................57
Removal of 4-way Valve ......................................288
Removal of Compressor ......................................286
Removal of Motorized Valve ....................... 265, 282
Removal of Outer Panels .....................................270
Removal of PCB and Electrical Box .....................271
Removal of Propeller Fans and Fan Motors ........279
Removal of Sound Insulation ...............................284
Removal of Thermistor ................................ 268, 281
Rise in BOX Temperature ....................................231
S
SC Control in Heating Operation .........................113
Self-Diagnosis by Wired Remote Controller ........196
Setting from the remote controller ........................169
Setting the Address of Wireless Remote
Controller ......................................................169
Setting the Receiver .............................................168
SH Control in Cooling Operation ..........................111
Signal Transmission Error (Between Indoor
and Outdoor Units) ........................................192
Signal Transmission Error (Between Indoor Unit
and Remote Controller) .................................193
Stall Prevention ....................................................237
Standby Control at Power ON ................................65
Standby Operation (Cooling) ...............................127
Standby Operation (Heating) ...............................136
Swing Flap Motor Malfunction / Lock ...................205
System Malfunction ..............................................246
T
The INSPECTION/TEST Button ..........................195
The motions (for example
in cooling)
........................................................43
The Unit Runs but Doesn’t Cool (Heat) the
Room
........................................................... 209
Thermistor Resistance Check ............................. 254
Thermostat Control ............................................... 51
Total Operating Current Check ........................... 257
Transmission Error between Indoor Unit and
BP Unit ......................................................... 242
Transmission Error between Microcomputers ..... 238
Transmission Error between Outdoor Unit and
BP Unit
......................................................... 240
Transmission Error of DC Fan ............................ 243
Trial operation from Remote Controller ............... 304
Troubleshooting with the LED Indication ............. 177
U
Using the remote controller for trial operation ..... 307
V
Voltage Check when Starting the Compressor ... 256
W
Warm-Up Function ................................................ 95
Wet Protection Control I ........................................ 89
Wide Angle Flaps, Louvers and Auto-Swing ......... 38
Wired Remote Controller
FHYC35 / 50 / 60 / 71K ................................. 156
Wireless Address Switch (SS2) .......................... 168
Wireless Remote Controller
CDX25 / 35 / 50 / 60HA ................................ 152
CDX25 / 35 / 50 / 60J ................................... 151
FHYC35 / 45 / 60 / 71B7V1 .......................... 154
FLX25 / 35H .................................................. 153
FLX50 / 60J .................................................. 150
FTX25 / 35J .................................................. 146
FTXD25 / 35KZ ............................................. 148
FTXD50 / 60 / 71J ......................................... 149
FVX25 / 35KZ ............................................... 147
Wiring Diagrams
BPMK928B42 ............................................... 318
BPMK928B43 ............................................... 318
CDX25 / 35 / 50 / 60HAV1NB,
CDX25 / 35 / 50 / 60JV1NB ............. 322
FHYB35 / 45 / 60 / 71FK7V1 ........................ 320
FHYC35 / 45 / 60 / 71B7V1 .......................... 319
FLX25 / 35HV1NB ........................................ 322
FLX50 / 60JV1B ............................................ 323
FTX25 / 35JAV1NB, FTXD25 / 35KZV1B ..... 321
FTXD50 / 60 / 71JV1B .................................. 321
FVX25 / 35KZV1B ........................................ 323
RMX140JVMB, RMX140JZVMB .................. 317
Y
Year-Round Cooling-Only Function ...................... 92