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Connection diagram
Function when
Connection via
connector to DIN 43650
Connection examples
6/7
Building Technologies
HVAC Products
Pressure switch for minimum pressure
When the pressure falls below the set
value, NO opens and NC closes
COM
3
P
QPLx2...
QPLx5... fitted to
VGD20...4011 / VGD20.5011
Pressure switch for maximum pressure
When the pressure exceeds the set value,
2
NO
COM
NC
3
1
QPLx5...
NC opens and NO closes
2
NO
NC
P
1
QPLx5... fitted to VGD40...
CC1N7221en
29.08.2006
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