4 Operation
4.1 Commissioning checklist
DB1 variable frequency drive
11/20 MN040031EN
Eaton.com
82
4 Operation
4.1 Commissioning checklist
Before starting to operate the variable frequency drive, use the checklist
below to make sure that all the following requirements are met:
No.
Activity Note
1
Mounting and wiring have been carried out as required by
the instruction lea
fl
et (
￫
IL040044ZU).
2
All wiring and line section leftovers, as well as all the tools
used, have been removed from the variable frequency
drive’s proximity.
3
All cables have been correctly installed.
4
The lines connected to the output terminals of the variable
frequency drive (U, V, W, DC+, BR) are
not
short-circuited
and
not
connected to ground (PE).
5
The variable frequency drive has been grounded properly
(PE).
6
All electrical connections in the power section (L1/L, L2/N,
L3, U, V, W, DC+, BR, PE) have been connected properly,
taking into account the degree of protection and have been
dimensioned in for the requirements.
7
Each phase of the supply voltage (L or L1, L2, L3) is fitted
with a protective device.
8
The variable frequency drive and the motor are adapted to
the mains voltage. (
section 1.4, “Rated data”, page 12)
Circuit type (star, delta) of the motor is tested.
9
The quality and volume of cooling air are in line with the
environmental conditions required for the variable fre-
quency drive and the motor.
10
All connected control cables comply with the correspon-
ding stop conditions (e.g., switch in OFF position and set
point value = zero).
11
The parameters that were preset at the factory have been
checked with the list of parameters (
￫
MN040034EN).
12
The direction of action of a coupled machine will allow the
motor to start.
13
All EMERGENCY STOP and protection functions are in the
proper state.