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Figure 4. Wiring diagram:
Detector Activates Sounder Base(s) - (Complies with UL268)
UL has approved grouping for up to six B501BH bases with
horn units. When wired as a group, any detector in the group
that has its LED's latched on by the panel will cause other
B501BH units in the group to sound. This type of "local" group-
(+) COMM.
4
(–) COMM.
(–) POWER
(+) POWER
*
GROUPING OF UP TO 6 MODEL B501BH SOUNDER BASES.
Figure 5. Wiring diagram:
Detector Activates Sounder Base(s); Intelligent Relay Module Ac-
tivates All Sounder Bases - (Complies with UL 268 and UL 464)
UL has approved grouping of up to six B501BH bases with horn
units. When wired as a group, any detector in the group that
has its LED's latched on by the panel will cause other B501BH
units in the group to sound. This type of "local" grouping is
UL LISTED
COMPATIBLE
CONTROL
PANEL
(+) COMM.
SLC
(–) COMM.
(–) POWER
UL LISTED
24V SUPPLY
(+) POWER
†
THIS IS A STANDARD RELAY
MODULE CONFIGURED TO
*
GROUPING OF UP TO 6 MODEL B501BH SOUNDER BASES.
D650-03-00
CLASS A OPTIONAL WIRING
OPTIONAL SOUNDER INTERCONNECT
5
3
2
1
CLASS A OPTIONAL WIRING
INTELLIGENT
RELAY
†
MODULE
SOUNDER
REVERSE THE POWER
ing is accomplished by wiring the grouped devices together
using terminal 5, Sounder Base Interconnect, as shown in
the diagram.
NOTE: Since a local grouping of horns is not supervised, the
groups can only be used as a supplementary evacuation system.
It is not acceptable to group horns for primary alarm signaling.
*
4
5
3
2
1
accomplished by wiring the grouped devices together using ter-
minal 5, Sounder Base Interconnect, as shown in the diagram.
NOTE: Since a local grouping of horns is not supervised, the
groups can only be used as a supplementary evacuation sys-
tem. It is not acceptable to group horns for primary alarm
signaling.
OPTIONAL SOUNDER INTERCONNECT
FIRST
SOUNDER
BASE
3
(+) 2
(–) 1
4
5
3
2
1
*
(+)
LAST
(–)
BASE
INTELLIGENT
MONITOR
MODULE
6
7
U.L.
LISTED
EOL
RESISTOR
47K
U.L.
LISTED
EOL
RELAY
24V
C0971-00
INTELLIGENT
MONITOR
MODULE
UL LISTED
EOL
RESISTOR
47k
UL
LISTED
EOL
RELAY
24V
C0972-00
I56-0491-007R
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