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EN | User Manual
Connecting the external signalling lines
For compressor synchronisation
The controller is fi tted as standard with a digital input which makes the dryer regeneration
dependent on operation of the compressor (switch S1 on the controller's circuit board, see
also fi gure below).
If switch S1 is in the ON position, operation of the compressor and dryer regeneration run
synchronously: When the compressor is stopped, the dryer regeneration also stops. When
the compressor is restarted, regeneration also restarts.
If switch S1 is in the OFF position, any regeneration process which has been started, is
always continued until completed.
To install the external line, proceed as follows:
Connect the signalling line to the potential-free busbar connection of the compressor to
terminals 1 and 2 on the control board (see circuit diagram).
Hinweis:
The compressor synchronisation controller is a higher-level controller than the
pressure dew point controller. When both options are in place, the compressor
synchronisation controller is treated as the prime controller.
For operation monitoring system (optional)
Operators have the option to connect the dryer to a fault signalling system, connecting the
respective line to a potential-free operation signalling contact. With this option, the following
statuses and events can for example be transmitted to a remote control room:
◊ Dryer on (contact made)
◊ Power supply disconnected (no contact)
◊ Dewpoint alarm (only with dewpoint-sensing control option, no contact)
To install the external lines, proceed as follows:
Connect the lines of the fault signalling system to relay K5 (see circuit diagram).
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.
24
Installation
KE-MT 120-600
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