nash_elmo Industries GmbH
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Order No.: 610.44436.40.000
Subject to change
Edition 09/2003
Commissioning
WARNING
Danger from rotating parts (external fan,
impeller, shaft):
Cutting/cutting off of extremities,
Grasping/winding up of hair and clothing!
Danger due to vacuum and gauge pressure:
sudden escape of fluids (skin and eye
injuries),
sudden drawing in of hair and clothing!
Danger due to escaping fluid:
Burns!
Start-up and operation only under the following
conditions:
•
The pump-motor unit must be completely
assembled. When doing so, pay particular
attention to the following components:
–
the vacuum pump/compressor cover,
–
the muffler on inlet and discharge
connections,
–
the fan guard.
•
The pipes/hoses must be connected to inlet
and discharge connections.
•
Inlet and discharge connections and the
connected pipes/hoses may not be closed,
clogged or soiled.
•
Check the mounting elements, connections
of the pipe/hose connections, lines, fittings
and containers for strength, leaks and firm
seating at regular intervals.
6.1 Preparation
WARNING
Danger from closed connections!
With closed/soiled intake or discharge
connections vacuum or gauge pressure results
in the pump-motor unit.
This can overheat and damage the drive motor
winding.
Before start-up, make sure that the inlet and
discharge connections are not closed, clogged
or soiled!
CAUTION
Before starting up again after a longer
standstill:
Measure the insulation resistance of the motor.
With values
≤
1 k
Ω
per volt of nominal voltage,
the winding must be dried.
Measures before start-up:
•
If a shut-off device is installed in the
discharge pipe:
Make sure that the unit is NOT operated
with the shut-off device closed.
•
Before starting up the pump-motor unit,
observe the values specified on the rating
plate. Specifications on the drive-motor
nominal current apply at a gas entry and
ambient temperature of +40° C [104 °F].
•
Adjust the motor circuit breaker to the drive-
motor nominal current.
Check direction of rotation:
•
The intended rotating direction of the shaft
is marked with an arrow on the face of the
vacuum pump/compressor cover and on
the fan guard (Fig. 1, Pg. 2, Item 7).
•
The flow direction is marked with arrows on
the inlet and discharge connections (Fig. 1,
Pg. 2, Item 6).
•
Make sure the pipes/hoses on the inlet and
discharge connections are properly
connected.
•
Switch the pump-motor unit on briefly and
then off again.
•
Compare the actual rotating direction of the
external fan with the intended shaft rotating
direction indicated with the arrows shortly
before the pump-motor unit comes to a
standstill.
•
If necessary, reverse the direction of
rotation of the motor.
WARNING
Danger due to rotating parts!
Danger due to vacuum
and gauge pressure!
Danger due to escaping fluid!
Test runs may also only be conducted with the
pump-motor unit completely mounted.
DANGER
Electrical danger!
The electrical connection may be carried out
by trained and authorized electricians only!
