5
3. Installation
3.1. Setting Up The Pump And Location
➡
Place pump on a smooth, even surface.
➡
Anchor the pump if it is to be erected in a stationary positi-
on.
➡
Avoid mechanical stresses due to rigid connections. Insert
elastic hoses or resilient elements as couplings between
the pump and rigid pipes.
➡
Anchoring is not necessary if the pump is not erected in a
stationary position.
➡
Maximum ambient tempe12 ... +40 °C.
➡
Where rack installation is involved, ensure adequate venti-
lation. If pump is installed above 1000 m above mean sea
level check compatibillity with applicable safety require-
ments, e. g. DIN VDE 0530 (motor may overheat due to
insufficient cooling).
3.2. Connecting The Vacuum Side
– Remove locking cap on intake connection.
– Make connection between the vacuum system and pump
as short as possible.
– Connect pump with intake connection to the apparatus.
– If liquid - which would generate vapours - is present in the
system to be evacuated, a condensate trap must be fitted
upstream of the pump.
3.3. Connecting The Exhaust Side
Pressure can rise to dangerous levels in exhaust
lines. Therefore, lay exhaust side lines without
shut-off units. Do not connect the exhaust side
with a closed system on account of the danger
of bursting.
In certain applications, exhaust gases and vapours can be
very hot and represent a health and/or environment hazard.
Lay lines from the pump sloping downwards so that
condensate cannot run back into the pump, otherwise fit a
separator.
3.4. Connecting To Mains Power
The pump is driven by AC motors with the following possible
variants:
230 V + 5% / -10%, 50 Hz
120 V + 5% / -10%, 60 Hz
Power connections must comply with local
regulations. Voltage and frequency information
given on the rating plate must correspond to the
mains voltage and frequency values. The pump
may only be connected to mains current with
earthed conductor.
WARNING
CAUTION
Pump versions where the thermostatic winding
protection protrudes must be appropriately
wired to ensure the motor is protected.
CAUTION
Normal version
Motor
