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European Safety Systems Ltd.
Impress House, Mansell Road, Acton, London W3 7QH [email protected] Tel: +44 (0)208 743 8880
www.e-2-s.com Fax: +44 (0)208 740 4200
Document No. D201-00-031-IS Issue 1 18-08-16 Sheet 4 of 7
12) AC Wiring
A 2-way terminal block is provided on the AC Hootronic
sounder for power. There are 1-off Live and 1-off Neutral
terminals in total. A 4-way terminal is provided for linking the
stop and the second and third stages. There are 1-off C/–ve,
1-off stage 2, 1-off stage 3 and 1-off stop terminals in total.
12.1 Wiring
Diagrams
Fig. 4 BExH120 AC Simplified Block Diagram
12.2 Stage
Switching
12.2.1 Units First Stage Tones
Stage one (S1) Operation
Simply connect the
supply voltage to the L
and N supply terminals,
(see fig. 4).
12.2.2 AC Units Second and Third Stage Tone
Selection
To select the second and third stage tones on the BExH120
AC hootronic sounder.
Stage two (S2) Operation
Power L and N, link the
Common-C and S2
terminal.
Header pins alters
stage 2 tone.
Stage three (S3) Operation
Power L and N, link the
Common-C and S3
terminals.
Header pins alters
stage 3 tone.
N
L
-
2 3
S
top
1
23
Fig. 5 AC Terminals
12.3 Stop
Terminal
The user can remotely activate and deactivate the
BExH120D Hootronic AC sounder by switching a connection
between the “Stop” terminal to the “C/-” terminal whilst the
unit is powered. To achieve the “tail off” sound at switch off
the unit must remain powered.
13) DC Wiring
A 5-way terminal block is provided on the DC Hootronic
sounder. There are 1-off +ve, 1-off C/-ve, 1-off stage 2, 1-off
stage 3 and 1-off stop terminals in total.
13.1 Wiring
Diagrams
Fig. 6a DC Simplified Block Diagram (negative switching)
Fig. 6b DC Simplified Block Diagram (positive switching)
Stage Headers
AC
Terminals
N
L
C/-
S2
S3
Stop
C/-
