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Operating Manual | Roof-mounted Cooling Unit | Multi Controller (MC) – 230 V | 086100023d 46/80
4.6.5 Collective fault signal
The unit is equipped with a potential-free relay contact for the collective fault signal.
Connector strip/terminals Voltage Current load capacity Version
X50:1 root contact
X50:2 normally closed (NC)
Maximum 230 V Maximum 1 A
Potential-free relay contact
(normally closed)
Tab. 8: Collective fault signal
4.6.5.1 Connecting the collective fault signal
Prerequisites
DANGER – Danger to life due to electric shock. Make sure that the unit is voltage-free.
Procedure
1. Connect the collective fault signal (SK) according to the connection diagram to the connector strip X50 on the underside
of the unit, see "Electrical circuit diagram – Multi-Controller (MC)", Page 43.
The collective fault signal is connected.
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