Check Valve And Non-Return Valve - PAW HeatBloC K34 Installation And Operation Instruction Manual

3 Product description

3.2.1 Check valve and non-return valve

The product is equipped with a check valve and with a non-return valve. The valves can be opened.
operation
filling, draining, venting
02/2023
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.
●
For filling, draining and venting, the markings must
be directed to "A".
The check valve and the non-return valve are
●
closed.
Flow in both directions.
●
993x063x-mub-en - V04 7