09/01 AWB8230-1412GB
43
4 DF5 Operation
This section describes how to commission the DF5 series frequency
inverters and deals with issues that need to be observed during its
operation.
Initial startup
Observe the following points before you take the frequency
inverter into operation:
• Ensure that the power cables L and N or L1, L2 and L3 as well
as the frequency inverter outputs U, V and W are correctly
connected.
• The control lines must be connected correctly.
• The earth terminal must be connected correctly.
• Only the terminals marked as earthing terminals must be
earthed.
• The frequency inverter must be installed vertically on a non-
flammable surface (e.g. a metal surface).
• Remove any residue from wiring operations – such as pieces of
wire – and all tools from the vicinity of the frequency inverter.
• Make sure that the cables connected to the output terminals are
not short-circuited or connected to earth.
• Ensure that all terminal screws have been tightened sufficiently.
• Make sure that the frequency inverter and the motor are correct
for the mains voltage.
• The configured maximum frequency must match the maximum
operating frequency of the connected motor.
• Never operate the frequency inverter with opened power
section covers. The front enclosure must be closed and secured
with the screw provided.
The control signal terminals are wired as follows.
X Switch on the supply voltage.
The POWER and Hz LEDs light up (keypad). The display should
indicate 0.0.
X Close switch S1 (FWD = clockwise rotation).
X With potentiometer R1, you can set the frequency and therefore
the motor speed.
The motor turns clockwise and the display indicates the set
frequency.
X Open switch S1.
The motor speed is reduced to zero (Display: 0.0).
X Close switch S2 (REV = anticlockwise rotation).
X With potentiometer R1, you can set the frequency and therefore
the motor speed.
The motor turns anticlockwise and the display indicates the set
frequency.
X Open switch S2.
The motor speed is reduced to zero (Display: 0.0).
If both switches S1 and S2 are closed, the motor will not start. The
motor speed reduces to zero during operation if you close both
switches.
Caution!
Do not carry out h.v. tests. Built-in overvoltage filters are
fitted between the mains voltage terminals and earth,
which could be destroyed.
h
Sparkover voltage and insulation resistance tests (megger
tests) have been carried out by the manufacturer.
Figure 38: Connecting control signal terminals (default settings)
2L
S2
4K7
M
REVR1
S1
OH
F 20 m
1 P24
PES
M
FWD
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