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Building Technologies Basic documentation LMV37.4... CC1P7546en
HVAC Products 26 Parameter level 01.12.2009
26.11.10 Setting the curvepoints for multistage mode («Lo 2-stage» and «Lo 3-
stage»)
Example of «Lo 2-stage»
P
Vh
mi n
s%
Bild 143/070 7
P0 appears flashing.
Curvepoint for ignition load.
A
Bild 144/0 707
P
Vhmins%
Keep
A depressed.
You are now at
P0 of air actuator A.
A
and
or
P
Vh
mi n
s%
Bild 145/0707
Press simultaneously
A and or to
adjust ignition position
P0 of the air actuator.
Example:
20.0
F
and
A
P
Vhmins%
Bild 146/0807
Keep
F and A depressed.
You are now at
n0 of the VSD.
F
and
A
and
or
P
Vhmins%
Bild 147/0807
Press simultaneously
F and A and
or to adjust speed n0 of the VSD.
Example:
20.0
P
Vh
mi n
s%
Bild 148/0707
Now, release
A .
The selected value is adopted.
Example:
20.0
P
Vh
mi n
s%
Bild 113/0707
Identification of start for setting the curve pa-
rameters.