47Mounting and installation work
5.6.4.4 Connecting the control voltage to the Condair Sigma 5-65 kg/h
X3
MAIN SUPPLY
L1 N SC1SC2
Q3
230 V/1~/50..60 Hz
L1 N
F3
PE
Control compartment
The control voltage supply (L1, N, PE) is to be con-
nected in accordance with the wiring diagram to the
corresponding terminals on the driver board in the
control compartment.
The connecting cable must be led through a cable gland
into the control compartment.
The installation of the fuse" F3" (10A, slow acting) and
the electrical isolator "Q3" (all pole disconnecting
device with a minimum contact clearance of 3 mm, sup-
plied by others) in the mains supply line are mandatory.
For safety reasons the additional installation of a residual
current circuit breaker in the mains supply line (supplied
by others) is recommended. However, the local electrical
installation regulations must be observed and adhered to.
The electrical isolator must be mounted in direct proxim-
ity of the control compartment (max. distance 1 m) and
must be easily accessible in a height between 0.6 m
and 1.9 m (recommended: 1.7 m).
CAUTION! Make sure the voltage indicated on the type
plate meets the local mains voltage. Otherwise, do not
connect the unit.
The cross-section of the cable must comply with the
applicable local regulations (minimum of 1.5 mm
2
).
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