54
d
There is 3 minutes delay when the compressor restarts.
e Outdoor unit abnormal protection:
When the compressor works for 5 minutes, if |Ta
—
T
coil
|
≤
3
℃
, and last for 5 minutes, the system decide
there are trouble in outdoor unit, the compressor and outdoor fan stop.
12. Indoor unit self diagnosis
TIMER
▽
TEMP
▽
Trouble indication
Reason
12-29
11-28
Flash Indoor
thermistor
（
RT1
）
trouble
10-27
9-26
Flash Indoor
thermistor
（
RT2
）
trouble
8-25
7-24
Flash Indoor
thermistor
（
RT3
）
trouble
6-23
5-22
Light, and Timer Temp indicator flash.
Outdoor unit abnormal
2-19
1-18
Light, and Timer Temp indicator flash.
Trouble indicator
When trouble indication occurs, the unit will stop, press Power button, the trouble indicator light will be off.
13. Technology data
1) Power: Main controller board 1ph AC220V
±
20
％
50Hz
±
1Hz
Main control DC3V Voltage range: 2.4
～
3.3V
2) controller working voltage range: AC 220V
±
10
％
, frequency range: 50Hz
±
5
％
Compressor output controller: AC 220V
±
10
％
, frequency range: 50Hz
±
5
％，
Touch point current: 30A
Fan output controller: AC 220V
±
10
％
frequency range: 50Hz
±
5
％
, touch point current: 6A
Four-way valve controller: AC 220V
±
10
％
, frequency range: 50Hz
±
5
％，
touch point current: 6A
3) Working temp.: ,main controller -10
℃～
70
℃
4) Time precision
：
1h+1min
5) Temperature precision
：
+1°C
。
三
三
三
三．
．
．
．
KF(R)-75LW/A(D)
、
、
、
、
KF(R)-75LW(/D)
、
、
、
、
KF(R)-120LW(/D)
control function
一
一
一
一）
）
）
）
. Panel introduction
