SiE12-411
Drawings & Flow Charts v
Drawings & Flow Charts
A
anti-icing function in other rooms ..........................203
automatic air flow control ........................................73
automatic operation.................................................75
auto-swing...............................................................72
B
buzzer pcb...............................................................62
C
capacitor voltage check.........................................211
compressor lock....................................................182
compressor overload.............................................181
compressor protection function...............................91
control pcb............................................63
, 64, 67, 68
control pcb (indoor unit) ..........................................62
cooling / heating mode lock...................................106
ct or related abnormality........................................190
D
dc fan lock.............................................................183
defrost control .........................................................95
discharge pipe control.............................................92
discharge pipe temperature control.......................188
discharge pressure check .....................................209
display pcb ...........................................62
, 63, 65, 67
E
electrical box temperature rise..............................194
electronic expansion valve check..........................205
electronic expansion valve control ..........................96
F
fan motor connector output check.........................204
fan motor or related abnormality
ac motor..........................................................172
dc motor..........................................................173
four way valve abnormality....................................186
four way valve performance check........................206
freeze-up protection control ........................... 93
, 179
freeze-up protection control or
high pressure control .....................................170
frequency control.....................................................89
frequency principle..................................................70
function of thermistor...............................................84
cooling only model............................................86
heat pump model..............................................84
H
heating peak-cut control..........................................93
home leave operation..............................................79
I
indoor unit pcb abnormality...................................169
input current control ................................................92
input over current detection.................................. 184
installation condition check .................................. 208
insufficient gas ..................................................... 200
insufficient gas control.......................................... 101
intelligent eye ......................................................... 77
intelligent eye sensor pcb....................................... 62
inverter features ..................................................... 71
inverter powerful operation..................................... 80
inverter units refrigerant system check................. 210
L
limit switch continuity check ................................. 204
location of operation lamp .................................... 162
low hz high pressure limit....................................... 95
low-voltage detection ........................................... 202
M
main circuit electrolytic capacitor check............... 212
main structural parts............................................... 83
mode hierarchy ...................................................... 88
N
night set mode........................................................ 76
O
ol activation .......................................................... 181
on/off button on indoor unit .................................... 81
outdoor unit fan system check (with dc motor)..... 209
output over current detection ............................... 198
P
pcb ......................................................................... 59
pcb detail................................................................ 60
piping diagrams.................................................... 260
position sensor abnormality ................................. 189
power supply pcb ............................................. 65
, 66
power supply waveforms check ........................... 210
power transistor check ......................................... 211
priority room setting.............................................. 105
programme dry function ......................................... 74
R
radiation fin temperature rise ............................... 196
S
shutter drive motor /
shutter limit switch abnormality ..................... 176
signal receiver pcb ..................................... 62
, 65, 67
signal transmission error (between indoor and outdoor
units) ............................................................. 177
T
target discharge pipe temperature control ............. 99
thermistor or related abnormality (indoor unit) ..... 175
thermistor or related abnormality (outdoor unit) ... 192
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