Elmo Rietschle V-VTN 16/26/41 - Manual (Page 19)

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Commissioning and decommissioning
6.1.1 Checking the rotation direction
The drive shaft direction of rotation is shown by
the rotation direction arrow (Fig. 3/O).
a) Start the motor briefl y (max. two seconds) to
check the direction of rotation. When looking at
the motor fan, it must rotate clockwise.
The suction pipe must not be connected
when starting up like this.
NOTICE
Incorrect direction of rotation
Running the machine in reverse for a long time may
cause damage to the blades which may lead to the
blades breaking. Use a phase sequence indicator
to check the direction of rotation (anti-clockwise
rotating fi eld).
6.2 Decommissioning/ storing
Stop the machine
a) Switch the machine off.
b) If available close the cut off device in the suction
and pressure pipe.
c) Disconnect the machine from the electricity
source.
d) Depressurise the machine: Open the pipes
slowly. The pressure reduces slowly.
e) Remove the pipes and hoses.
f) Seal the connections for suction and discharge
nozzles with adhesive foil.
see also Section 3.2.1, Page 11
6.3 Re-commissioning
a) Check the condition of the machine (cleanliness,
cabling etc.).
For installation see Section 5 Page 15
For commissioning see Section 6.1 Page 18