VOLT FREE CONTACTS CONNECTIONS
IMpress (Standard) Unit
If a connection to the volt free contact (VFC) is required, it is necessary to remove the
cover from the control box within the cabinet as follows.
After removal of the cabinet top and front panels, remove the four screws from the
control box front cover. The display is connected to the back circuit board by a cable.
If required, the display can be detached by unplugging from the cable from the main
circuit board. Push back the locking tabs at each end of the connector and remove
the connector, do not pull on the cable. Do not attempt to detached from the display
board on the front cover. The VFC changeover terminals are marked 'STOP'.
No other connections are required or should be made into the control box.
IMpress Advanced, IMpress Glycol and IMpress H/C
If a connection to the volt free contacts (VFC) is required, it is only necessary to
remove the cover of the VFC connection box on the side of the cabinet. There is no
need to remove the cover from the control box within the cabinet.
CABLE GLANDS
A single M12 cable gland is included, which can be fitted once the M12 knockout has
been carefully removed.
The VOLT FREE Contacts are marked C=Common, NC=Normally Closed,
NO=Normally Open. The maximum contact rating is 240V AC 10A (Resistive).
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