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EN | Operating manual
Connection of electrical components
Beware of electrical voltage!
Work on the electrical system must be entrusted to instructed, authorised elec-
tricians only. The electropneumatic switch cabinet in particular must be opened
and serviced by an instructed trained electrician only.
Connection to power supply
The dryer components have been connected in the switch cabinet at the factory. You only
need connect it to the electric supply.
Make sure the cross section of the electric cable matches the dryer's power consumption
and the voltage available at the customer's.
Insert power cable through the left recess
at the base of the switch cabinet (see fi gure).
Connect wires according to the circuit
diagram to terminals L1–L3 at the terminal
strip (the circuit diagram is attached inside the
switch cabinet).
Connect the dryer's earth cable to the PE
terminal.
Protect the dryer against short circuits by
installing fuses to all phases.
Connection of dryer to the fault signalling system
There is an ex-works option to connect the dryer to a fault signalling system. With such a
system, faults occurring anywhere in the dryer unit can be displayed at one location, e.g. at a
control station.
Connect the cables of the fault signalling system to the terminal strip as show in the
circuit diagram .
External interfaces
The dryer controller features interfaces for data transmission.
Please heed the controller manual for more information on these interfaces.
Check bolt connections
Before the initial start-up:
Check all unions and bolt connections as well as the terminals in the control cabinet for
secure seating; re-tighten if necessary.
WVM 40 -1450
Cable recess in switch cabinet base and
terminal connections for power supply
Installation
29
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