Description of the device
— English Vacuum spray degassing — 06.07.2016 - Rev. B
There are two make-up variants. Both are monitored via the make-up time and the make-up cycles.
1 "WC" make-up line 7 "DC" degassing line (degassed water to the facility
system)
2 Optional add-on device (see Chapter Optional
equipment and accessories)
8 "DC" degassing line (gas-rich water from the facility
system)
3 Device 9 "CD" 3-ways motor ball valve
4 "DV" degassing valve 10 Device controller
5 "PU" vacuum pump 11 Signal line from the "LIS" level sensor of a pressure
maintaining station
6 "PIS" pressure transducer from the device
For systems with diaphragm
-type pressure expansion tank.
Using the integrated "PIS" pressure sensor, the system registers and monitors the pressure in the
heating or cooling system. The make-up degassing process is activated as soon as the pressure drops
below the calculated filling pressure.
For systems with pressure maintaining stations.
The pressure maintaining station uses the "LIS" pressure pick-up to determine the water level in the
expansion tank. The make-up function is triggered by a 230 V signal.
Note!
Ensure the correct connection of the device to the facility system.
For the Levelcontrol make-up variant in particular, the signal line from the level sensor of the pressure maintaining
station must be connected to the device.
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