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LED Indicator Lights : Normal Operation & Fault Conditions For Heatpump Unit
ON
Heat Pump Model
Model : ATXC20/25/35
Model : ATXC50/60/71
Green
Red
Green
Red
Green
Green
Dimmed Green / Dimmed Red
Orange
Red
Green
OPERATING RANGE
ARXC20/25/35
COOLING
50
46
43
40
30
20
10
0
14 15
19 20
23 25
INDOOR TEMP (°CWB)
DB: Dry bulb
ARXC50/60/71
COOLING
50
46
43
40
30
20
10
0
-10
-20
10
1415
1920
23
25
INDOOR TEMP (°CWB)
DB: Dry bulb
Operation
Cool mode
Heat mode
Auto mode in Cooling operation
Auto mode in Heating operation
Fan mode on
Dry mode on
Sleep mode on
Timer on
Defrost operation
Unit error
Blinking
HEATING
20
18
10
0
-10
-15
-20
10
15
20
25 27
32
INDOOR TEMP (°CDB)
WB: Wet bulb
HEATING
20
18
10
0
-10
-15
-20
10
15
20
25 27
INDOOR TEMP (°CDB)
WB: Wet bulb
ENGLISH
30
16
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