Weishaupt WHI freshaqua 44, Руководство пользователя

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Installation and operating instructions
Fresh water station WHI freshaqua 44; Fresh water station WHI freshaqua 55
7 Commissioning
83514402 ▪ 1/2017-08 ▪ Ext. PAW
21-36
7 Commissioning
Observe the following safety instructions regarding the commissioning of the station:
NOTICE Note!
Open the valves in the lines and in the module slowly in order to
avoid pressure surges.
Check valve operation
The ball valves (A) and (J) in the primary circuit are equipped with a check valve in order
to prevent an undesired gravity circulation.
The check valve must be open for venting and flushing the system.
For this purpose, turn the ball valve to position 45°. The check valve is not in operation.
All ball valves and valves must be open completely for operating the system
(position 0°).
Ball valve with integrated check valve
(Normal direction of flow in the picture: downstream)
0° 45° 90°
Check valve in operation,
flow in flow direction only.
Check valve not in operation,
flow in both directions.
Ball valve closed,
no flow.
To actuate the ball valve, a handle is included in the delivery.