Westinghouse WHU09DHA21S, Service Manual, Page: 48 / 97

The static pressure can be freely adjusted by using specific wired remote controller.
ESP setting
Parameter
Code
LCD
Function Code
Error Indicator
Fig 6.2
Model
(Capacity
Btu/h)
The Range
of
Static
Pressure
Function Code Set
9K/12K/18K 0-0.20 in. H O
2
(0-50Pa)
0-50 function code value equals
static pressure value,
more than 50 is 0.20 in. H O (50Pa),
2
[default: 0 (0.18 in. H O or 45Pa)]
2
24K
0-0.40 in. H O
2
(0-100Pa)
0-100 function code value equals
static pressure value,
more than 100 is 0.40 in. H O (100Pa),
2
[default: 0 (0.18 in. H O or 45Pa)]
2
36K
0-0.56 in. H O
2
(0-140Pa)
0-140 function code value equals
static pressure value,
more than 140 is 0.56 in. H O (140Pa),
2
[default: 0 (0.23 in. H O or 57Pa)]
2
Static pressure setting:
Press and hold “MODE” button and “ADD.FUNC.” button for 3 seconds, symbol and parameter code
starts blinking at the same time.
Press“ / ”button to adjust parameter number until “17” is displayed, and press “ENTER”button to enter
system parameter adaption state, symbol stops blinking.
Select desired parameter code 10 by pressing “ / ” button, and press "ENTER" button to confirm.
Select desired function code to rewrite the parameter values by pressing “ / ”button, and press
"ENTER" button to confirm.
Press “ON/OFF” button or “CANCEL”button to quit.
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