
Accenta/Optima Engineer’s Manual
10
Figure 12. Twin External Bell-box Wiring
13V Supply Output
The 13V output is to power detectors which require a voltage supply (PIR detectors etc). The supply is
present at all times and may be used to supply a total load of 350mA.
Set
The output marked SET is used with latching detectors. The output becomes positive on correct Set of the
system and is removed by entry of a valid user code.
Bell Box (cont’d)
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