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Product description
24
20901334_EN-US_PC3000 VARIO select Serie_V1.4_061022
3
Product description
Pumping units of the PC 300x VARIO select series essentially consist
of membrane pump, regulated by VARIO drive, a VACUU·SELECT
®
vacuum controller as well as a cooler with a separator. Coolers are
available in different designs. The coolers differ in how they func-
tion.
3.1 Basic configuration of pumping unit series
View and basic con-
figuration
PC 300x VARIO select
Meaning
1
Power connection, device fuse, interfaces: VACUU·BUS, Ethernet, RS232
2
On/Off switch (rocker switch) pumping unit
3
Emission condenser EK
4
Outlet – Exhaust connection
5
On/Off button VACUU·SELECT
®
Controller
6
VACUU·SELECT
®
Sensor, installed in pumping unit housing
7
Chemical membrane pump
8
Gas ballast valve
9
Handle
10
Coolant connections
11
Nameplate
12
VACUU·SELECT
®
control unit, removable
13
Inlet – vacuum connection, distributor head
14
Separator flask AK, round flask at inlet