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DOKK5110E 15.04.2020
8.8 Alarm relay (for an external signaller)
The control unit has an alarm relay, whereby contacts 11 and 12 of the relay can be
connected to an external signalling device (e.g. warning light). Ensure that the external
device has a separate power supply so that a power failure in the control unit can also be
signalled. When an alarm sounds or there is a power failure, contacts 11 and 12 are
connected to one another. Finally (to be performed by a qualified electrician only), the pre-
punched opening on the housing is opened and the cable is expertly led through with a PG
gland.
8.9 Service and maintenance (specialist companies only)
Replacing the fuse:
If the control fuse is released, it should only be replaced by a microfuse of the following
type: T 4.0 A, 250 V, H (time-delay glass tube microfuse 4.0 A; 5 x 20 mm with a high
breaking capacity (opaque) according to EN 60127-2/III.
Changing the battery: Battery maintenance is not required; however, if the alarm duration
begins to decrease or the alarm Accu, we recommend replacing the accumulators with new
ones (type NiMH AA, capacity 1800 to 2100 mAh).
Only rechargeable accumulators are permitted; never use normal batteries.
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