Hanseatic WQP12-7311D, Technical & Service Manual

Page: 22 / 37

Safety hose
Theory of parts - >
Location of Safety Hose
The work principle
Mechanical Aquastop Hose
Electronic Aquastop Hose
There are two types of Safety Hose, mechanical Aquastop hose and electronic Aquastop
hose, which have different principles and assembly modes.
has two layers. If water leak and fill the air space
between two layers, the foaming material will expand and lock the hose. In this situation,
the machine might set off E1 alarm.
also has two layers. But the difference from
mechanical is that if the water leak and flow on the bottom tray, the flooding pressure switch
on the tray will act, the electromagnetic valve on the hose will cut off the water road and the
machine will set off E4 alarm.
Mechanical Aquastop safety hose
Electronic Aquastop safety hose
Electronic Aquastop Hose
- 22 -