Gas ballast valve
position
Prepare the inert
gas connection
(GB)
20901367_EN-US_PC3001 VARIO select Serie_V1.3_100720
4.3.6 Gas ballast (GB)
Use ambient air as gas ballast
If ambient air is to be used as gas ballast, nothing needs to be
connected at the pumping unit; gas ballast valve (a); see also
g Operation with gas ballast on page 46
chapter:
Use of inert gas as gas ballast – OPTION
ð Remove the black gas ballast cap and connect a gas ballast
adapter in its place.
Connection options and adapter for hose nozzle or small
flange are available on request.
Installation and connection
39