ebm-papst DV4650-470, Руководство по эксплуатации

Страница: 4 / 5

page 4 of 5
Colour Operation plug connection
Wire 1 black L Pin 1
Wire 2 black N Pin 3
Wire 3 green - yellow ground wire Pin 2
Check connections
NOTE
AC-fans are products of Protection Class l and must be reliably
earthed.
Connect product
Check the product for visible damage and the operability of protective
equipment before switching on.
If damage is visible, do not start the product.
5 FAULTS, POSSIBLE CAUSES AND REMEDIES
Replace your product by a new one, do not repair it.
DANGER
Electrical voltage at motor
Wait five minutes after the voltage
(all poles) has been switched off
before opening the product.
Fault/
Error
Possible cause Possible remedial
action
Mechanical
blocking Switch off, de-energize
and eliminate
mechanical blocking.
Mains voltage fault Check mains voltage,
re-connect voltage
supply.
Connection faulty Rectify connection, see
pin connection.
Motor is too hot Allow motor to cool /
identify cause of fault.
Motor winding
interrupted Exchange product.
Motor is not
rotating
Ambient
temperature too
high Reduce ambient
temperature if possible.
Impeller out of
true Unbalance of
rotating parts Clean product if still
unbalanced after
cleaning, exchange
product.
In case of further faults, contact ebm-
papst.
Technical safety inspection
What requires checking?
How to
check? Frequency
Protection against accidental Visual min. 1/2
contact/ protective clothing inspection yearly
Check product for damage Visual
inspection min. 1/2
yearly
Fixation of product Visual
inspection min. 1/2
yearly
Fixation of wires Visual
inspection min. 1/2
yearly
Fixation of protective earth
connection Visual
inspection min. 1/2
yearly
Insulation of wires Visual
inspection min. 1/2
yearly
Check impeller for
wear/sediments/ corrosion Visual
inspection min. 1/2
yearly