Westinghouse WHM24DMA21S Service Manual page 26

48K/60K
There are 3 buttons on the digital display board：
1) SWITCH button:
Indoor parameters and outdoor parameters can be selected in turn by pressing it.
"P."/"H."-outdoor unit parameter
2) INCREASE button:
Each time it is pressed, the number rises by 1, hold down it, the number will be rapidly increased;
3) DECREASE button：
Each time it is pressed, the number lowers by 1, hold down it, the number will be rapidly decreased.
Parameters can be checked in the following table below.
Parameter
code
0
Protection code or fault code
P.1
Target frequency
P.2
Driving frequency
P.4
Outdoor EEV opening
P.5
Outdoor EEV target opening
P.6
Upper DC motor revolving speed
P.8
AC Input voltage
P.9
Current
P.10
Modular temperature
P.11
Capacity needed
P.12
Modular fault
P.20
Outdoor ambient temperature
P.21
Outdoor coil temperature
P.22
Outdoor defrost temperature
P.23
Suction temperature
P.24
Discharge temperature
H.1
DSH actual value
H.2
DSH target value
H.3
Target pressure in cooling mode (Actual pressure= the displayed value/100)
H.4
Target pressure in heating mode (Actual pressure= the displayed value/100)
H.5
Actual pressure (Actual pressure=the displayed value/100)
● ● ●
S3
S1 S2
Decrease
Select Increase
Descriptions
- 25 -