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Installation and connection
Ambient conditions
30
Observe limitation of use
Ambient conditions
Ambient temperature
Altitude, max.
Relative humidity
Pollution degree
Impact energy
Protection class (IEC 60529)
Type of protection(UL 50E)
Prevent condensation or contamination from dust, liquids, or corrosive
gases.
ð Note the IP protection class. IP protection is only guaran-
teed if the device is appropriately mounted and connected.
ð When connecting devices, always observe the information
on the rating plate and in the technical data chapter.
4.3 Connection
All condensers in the pumping unit series have a vacuum con-
nection and an outlet connection. The connection is very similar.
Connect your pumping unit as described in the examples below.
4.3.1 Vacuum connection (IN)
CAUTION
Flexible vacuum hoses can contract during
evacuation.
Connected components that are not secured can cause
injury or damage due to jerky movement (shrinkage) of
the flexible vacuum hose. The vacuum hose can come
loose.
Secure the vacuum hose to the connections.
Ø
Secure connected components.
Ø
Take the maximum shrinkage, i.e., contraction, into
Ø
account when sizing the flexible vacuum hose.
20901367_EN-US_PC3001 VARIO select Serie_V1.3_100720
10–40 °C
2000 m
above sea level
30–85 %, non condensing
2
5 J
IP 20
(US)
50‑104°F
6562 ft
above sea level
Type 1
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