▶
Tighten the union nut by hand.
INFO!
The union nut must not be tightened using pliers.
▶
Lead the connection cable and the pressure hose through the
empty pipe to the control. If necessary, use a cable grip device.
3.2.3
Connecting the control
DANGER!
Danger due to electrical current
An electric shock can lead to burns and serious injury and
even death.
n
Only allow electrical work to be carried out by spe‐
cialist companies.
n
Remove mains plug before opening the casing.
▶
Attach the control unit onto the wall with 4 screws.
Handling
Grundfix Plus Control backflow trap type 3
18