
7
Startup
General information
Operating Instructions – EDR..71 – 315, EDRN63 – 315
125
7
Startup
7.1
General information
WARNING
Electric shock due to incorrect installation.
Severe or fatal injuries.
•
Use switch contacts in utilization category AC-3 according to EN 60947-4-1 for
switching the motor.
•
When motors are powered by inverters, you must adhere to the wiring instruc-
tions in the frequency inverter operating instructions.
INFORMATION
Limit the maximum speed at the inverter. For information on the procedure, refer to
the documentation of the inverter.
CAUTION
The surfaces on the drive can be very hot during operation.
Risk of burns.
•
Let the motor cool down sufficiently before you start working on it.
7.2
Before startup
Prior to startup make sure that:
•
The drive is undamaged and not blocked.
•
Any transport locks have been removed.
•
The measures stipulated in chapter
"
Preliminary work after longer periods of stor-
32) are performed after storage periods longer than 9 months.
•
All connections have been made correctly.
•
The direction of rotation of the motor/gearmotor is correct.
– Motor rotating clockwise: U, V, W (T1, T2, T3) to L1, L2, L3
•
All protective covers are installed correctly.
•
All motor protection equipment is active and set for the rated motor current.
•
There are no other sources of danger.
•
Loose elements like keys are appropriately secured.
•
The brake is not manually released.
– The set screw of /HF option is loosened correctly.
– The hand lever of the /HR option has been removed and correctly attached to
the stator using the designated clamps.
25896334/EN – 06/2019