Installation and connection
20901118_EN-US_PC301x VARIO select Serie_V1.3_100720
37
Gas ballast valve
position
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
Operation with gas ballast on page 43
Use of inert gas as gas ballast – OPTION
Prepare the inert
gas connection
(GB)
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.
