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SiEN18-622
ii
Index
CJ ..................................................................346
E1 ..................................................................359
E2 ..................................................................353
E3 ..................................................................360
E4 ..................................................................362
E5 ..................................................................364
E7 ..................................................................365
E9 ..................................................................366
F3 ..................................................................368
F6 ..................................................................369
H9 ..................................................................370
J0 ...................................................................354
J3 ...................................................................371
J5 ...................................................................372
J6 ...................................................................373
J7 ...................................................................374
J9 ...................................................................375
JA ..................................................................376
JC ..................................................................377
L1 ...................................................................378
L4 ...................................................................379
L5 ...................................................................380
L8 ...................................................................381
L9 ...................................................................382
LC ..................................................................383
P1 ..................................................................384
P4 ..................................................................385
PJ ..................................................................386
U0 ..................................................................387
U2 ..................................................................389
U3 ..................................................................391
U4 ..........................................................355, 392
U5 ..........................................................347, 394
U8 ..........................................................348, 395
U9 ..................................................................396
UA ..........................................................349, 398
UC .................................................................399
UE ..................................................................400
UF ..................................................................402
UH .................................................................403
UJ ..................................................................357
error codes and LED indication
indoor unit ......................................................315
system ...........................................................315
excessive number of indoor units .........................398
F
F1 ...........................................................................59
F1U ........................................................................57
F2 ...........................................................................59
F2U ........................................................................59
F3 .........................................................................368
F4U ........................................................................54
F6 .........................................................................369
F6U ........................................................................54
fan and flap operations .........................................141
fan motor connector output check ................330, 350
fan motor or related abnormality
AC motor .......................................................325
DC motor .......................................................326
fan speed control ..................................................120
fan speed setting ........................... 60, 62, 64, 66, 69
faulty BP liquid or gas pipe thermistor ................. 354
faulty BP unit PCB ............................................... 353
faulty combination of inverter and fan driver ....... 386
faulty outdoor unit PCB ....................................... 359
field setting
wired remote control ..................................... 171
infrared remote control .................................. 172
field setting from outdoor unit .............................. 152
forced fan on ....................................................... 179
forced operation ON/OFF switch ........................... 60
freeze-up protection control ........................ 111, 134
freeze-up protection control or high pressure control
...................................................................... 323
FU ......................................................................... 69
FU1 ..................................................... 60, 62, 64, 66
function outline (skyair) ....................................... 132
functional parts layout ........................................... 87
functions .................................................................. 2
fuse ..................................................... 60, 62, 64, 69
H
H1P ................................................................. 56, 59
H2P ................................................................. 56, 59
H3P ................................................................. 56, 59
H4P ................................................................. 56, 59
H5P ................................................................. 56, 59
H6P ....................................................................... 56
H7P ....................................................................... 56
H8P ....................................................................... 56
H9 ........................................................................ 370
HA ................................................................... 60, 62
Hall IC ................................................. 120, 325, 326
Hall IC check ....................................................... 332
HAP ............................................... 54, 72, 75, 78, 80
HBP ....................................................................... 54
heat exchanger isothermal control in heating
operation ...................................................... 118
heat exchanger thermistor
troubleshooting (indoor unit) ................. 343, 344
heating operation prohibition ............................... 113
high pressure protection control .......................... 107
high voltage of capacitor in main inverter circuit . 384
HOME LEAVE operation ..................................... 128
hot start function .................................................. 130
I
individual setting .................................................. 179
indoor unit fan motor lock .................................... 337
indoor unit PCB abnormality ....................... 322, 333
initial setting contents .......................................... 172
inspection/test button .......................................... 311
instruction ............................................................ 185
INTELLIGENT EYE ............................................. 126
INTELLIGENT EYE sensor PCB ..................... 61, 63
inverter compressor abnormal ............................. 380
inverter current abnormal .................................... 381
inverter POWERFUL operation ........................... 129
inverter protection control .................................... 110
inverter start up error ........................................... 382
Summary of Contents for FTKS50BVMB
Page 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump ...
Page 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit ...
Page 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function ...
Page 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300 ...
Page 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting ...
Page 446: ...Wiring Diagrams SiEN18 622 434 Appendix ...
Page 452: ...SiEN18 622 vi Index ...