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then the compressor is heated without operation.
Preheating release condition:
If T4
≥3
℃
or
T1≥18
℃
, the preheating function will stop.
8.3.8 Zero crossing detection error protection
If AC detects time interval is not correct for continuous 240s, the unit will stop and the LED will
display the failure. The correct zero crossing signal time interval should be between 6-13ms.
8.3.9 Sensor protection at open circuit and breaking disconnection.
When there’s one temperature sensor in malfunction, the air conditioner will display error code
and will not stop immediately, to avoid the case that the air conditioner is in urgent need.
Fault temp.
sensor
Operation in cooling, drying and
fan only mode
Operation in heating mode
T1
Run supposed T1=26
℃
high fan
speed
Run supposed T1=26
℃
high fan
speed
T2
Refer to table 1
Refer to table 2
T3
Run with compressor frequency
not higher than F14
3 minutes’ defrosting every 40
minutes when T4<7
℃
; 2 minutes’
defrosting every 90 minutes when
T4≥7
℃
.
T4
Run supposed T4=50
℃
Run supposed T4=15
℃
TP
Run supposed T4=50
℃
Run supposed T4=15
℃
T1
25
23
F12
F4(30 minutes on+3
minutes off)
table 1
T1
20
18
F4
F12(Indoor fan 1 minute
off, 1 minute M- ane then
the setting fan speed.)
table 2
8.4 Operation Modes and Functions
8.4.1 Fan mode
(
1) Outdoor fan and compressor stop.
(2) Temperature setting function is disabled. And the display window shows the indoor room
Содержание IC SI-A-1205
Страница 1: ...IC INVERTER SERIES Service Manual 2012 ICSI A 1205...
Страница 10: ...10 Model W D H W1 A B MOR 09HDN1 QC2 660 265 540 732 458 276 MOR 12HDN1 QC2...
Страница 12: ...12 5 Wiring Diagram 5 1 Indoor Unit MSIC 09HRDN1 QC2 MSIC 12HRDN1 QC2...
Страница 13: ...13 5 2 Outdoor Unit MOR 09HDN1 QC2 MOR 12HDN1 QC2...
Страница 24: ...24 Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage...