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Commissioning
7.
Commissioning
7.1
Filling and bleeding of the storage
cylinder circuit
3
2
19
18
Illust. 20: Filling and bleeding of the storage cylinder
circuit
(2)
Temperature sensor for storage cylinder circuit
S1
(3)
Heat exchanger
(6)
Fill and drain ball valve for storage cylinder
circuit return
(13) Circulation pump for storage cylinder circuit
(14) Controller
(15) Non-return check valve in storage cylinder
circuit
(16) Isolating ball valve for storage cylinder circuit
return
(18) Isolating ball valve for storage cylinder circuit
supply
(19) Fill and drain ball valve for storage cylinder
circuit supply
CAUTION
Risk of scalding due to hot fl uids!
If the station has been in operation, there is a
risk of scalding due to the unintentional dis-
charge of hot water or steam.
f Allow the system to cool down.
f Wear safety goggles.
28
6
13
14
15
16
CAUTION
Risk of burns due to hot components!
Any unprotected contact with hot components
may lead to burns.
f Wear safety gloves.
NOTICE
Risk of damage due to pressure surge!
Sudden fi lling of the station can cause dam-
age, for instance to the sensors or sealing
points.
f Always open and close ball valves slowly.
1. Open the isolating ball valve for the storage cylinder
circuit supply slowly (see position (18) in Illust. 20
and in Illust. 1 on page 10 ).
2. Unscrew the cap of the fi ll and drain ball valve for
the storage cylinder circuit return (see position 6 in
Illust. 20
and in Illust. 1 on page 10 ).
3. Connect a fl ushing hose to the fi ll and drain ball
valve for the storage cylinder circuit return.
4. Open the fi ll and drain ball valve for the storage
cylinder circuit return a little until air escapes.
5. Close the fi ll and drain ball valve of the storage
cylinder circuit return as soon as only water starts
to escape.
6. Remove the fl ushing hose and screw the cap back
on for the fi ll and drain ball valve for the storage
cylinder circuit return.
7. Open the isolating ball valve for the storage cylinder
circuit return slowly (see position (16) in Illust. 20
and in Illust. 1 on page 10 ).
During draw off operation, any remaining air in
the storage cylinder circuit is transported to the
storage cylinder by the volume fl ow
f Repeat the bleeding process if noises per-
sist within the pipe as a result of airlocks.
"Regumaq X-25"
138112581-V01.10.2019
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