Carrier 42QHF009DS Service Manual page 43

Capacity area
Norm value (N)
11.4.4 Number of indoor unit
11.4.5 Opening degree of electronic expansion valve:
Actual opening degree equals the display data times 4
11.5 Icon explanation on indoor display board
11.5.1 High wall
T1 Ts
4
3
2
1
0
Display
1
2
3
4
DEFROST indication lamp(For cooling & heating
models only): Lights up when the air conditioner starts
defrosting automatically or when the warm air control
1
feature is activated in heating operation.
OPERATION indication lamp：This lamp illuminates
when the air conditioner is in operation.
2
TIMER indication lamp：Lights up during Timer
operation.
3
Temperature indicator：Displays the temperature
settings when the air conditioner is operational. Displays the
malfunction code.
4
f
3
e
2
d
1
c
0
b
-1
a
a b c
3 2 1.5
Number of indoor unit
1
2
3
4
43 / 78
d e f
1 0.5 0