External Siren (Bell Box) Output - Honeywell Accenta Engineer's Manual

Accenta/Optima Engineer's Manual
External Siren Output
The external siren is usually installed in a high position from where the siren could be seen and heard.
Terminal TADB are for connection to the external siren. These terminals provide a power/hold-off supply,
sounder trigger and tamper circuit to protect the external siren housing.
The terminals are summarised as follows:
T = Negative (-Ve) tamper return
A = Negative (-Ve) supply (0V)
D = Positive (+Ve) supply (12V)
B = Negative (-Ve) Sounder trigger
Where an external siren without strobe is used, it should be connected to terminals D and B. Terminals T and
A are then used for tamper protection for the housing.
Panel
Board
J6
-
+
T A
STROBE
SCB
-
+
BATTERY RTN
Board
Siren
Figure 11. External Siren Wiring
External Siren
F3
D B
SET
BELL
1A
-
+
-
+
HOLD STB
TRIG
OFF
T A
D B
9