3 Product description
8
99423x063MGK7-mub-en
–
V01
2018/06
3.2.1
Check valve and non-return valve
The CoolBloC is equipped with a check valve (D-1, opening pressure 200 mm wc) in the return
pipe and with a non-return valve (C-3, opening pressure 50 mm wc) in the return of the mixing
valve. The valves can be opened.
Operation
During operation, the markings must point to "Z".
→
The check valve and the non-return valve are closed.
→
Flow only in the direction of the arrow.
Filling, draining, venting
For filling, draining and venting, the markings must be
directed to "A".
→
The check valve and the non-return valve are open.
→
Flow in both directions.
