Installation and connection
20901334_EN-US_PC3000 VARIO select Serie_V1.4_061022
33
Observing the limitations of use
Ambient conditions
Ambient conditions
(US)
Ambient temperature
10–40 °C
50–104°F
Installation height, max.
2000 m
above sea level
6562 ft
above sea level
Humidity
30–85 %, non-condensing
Degree of contamination
2
Impact energy
5 J
Protection class (IEC 60529)
IP 20
Protection class (UL 50E)
Type 1
Avoid condensate or contamination from dust, liquids and corrosive gases.
ð
Note the indicated IP protection rating. The IP protection is only
guaranteed if the device properly installed and connected.
ð
When connecting the device, always take note of the specifica-
tions from the type plate and in the chapter technical data.
4.3 Connection (supply connections)
On the pumping unit, supply connections are provided for vacuum
and exhaust, and optionally for gas ballast, ventilation and coolant.
Set up the connection for your pumping unit as described in the fol-
lowing examples. Also attach the provided screw fasteners and glass
flasks to the condensers.
4.3.1 Vacuum connection (IN)
CAUTION
Flexible vacuum hoses can contract during evacua-
tion.
Non-fixed, connected components may cause injury or do
damage due to the jerky movement (shrinking) of the flexi-
ble vacuum hose. The vacuum hose can come loose.
Ø
Fasten the vacuum hose to the connections.
Ø
Fasten connected components.
Ø
Measure the flexible vacuum hose so that the maximum
shrinkage, i.e. the contraction, is taken into account.
Содержание PC 3002 VARIO select
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