Haier WQP12-B9227E, Technical & Service Manual

Page: 17 / 38

The pressure switch consists of a moving diaphragm and disc which activate a
change over contact. The contact can be calibrated to trip and reset at the
desired pressure levels, The main application is to control the level of water in
appliances. May also provide flood protection.
In our production, the pressure switch is to control the water level in appliance,
like 83/63 serial. May also provide flood protection, like 140/120 serial.
Manufacturer :
EMZ
11 - COM
12 - NC
14 - NO
Front view Back view
11
14
12
2
3
1
Back view
Front view
Manufacturer
:
Elbi
1- COM
2 - NC
3 - NO
Pressure Switch Theory of parts - >
The work principle
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