Assembly and installation instructions
Circulation station WHI circuload 9 #1; Circulation station WHI circuload 9 #2
7 Commissioning
83288702
▪
1/2014-02
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Ext. PAW
17-24
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 primary circuit is equipped with a check valve in ball valve (J) in order to prevent
undesired gravity circulation.
The check valve must be opened for venting and flushing the system.
For this purpose turn ball valve (J) to position 45°. The check valve is not in operation.
All ball valves and valves must be opened 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.
Summary of Contents for WHI circuload 9 1
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