BRINKS BHS-4000A - 3.10 Wire the BHS-3250 Receiver; 3.10.1 Wire Relay and Switched 12 V;100 mA Output; 3.11 Connect to AC power; 3.11.1 Wire the transformer

BHS-4000A Installation and Programming Instructions
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Wiring 2350-SUP, BHS-4000A and AB-12M
3.10 Wire the BHS-3250 Receiver
Refer to the BHS-3250 Installation Instructions P/N K0982 for
more information.
To wire the receiver, do the following:
1. Disconnect the system’s AC and DC power.
2. Wire the receiver according to the table and illustrations.
Relay (N.O.) Switched
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Wire the receiver to the panel
3.10.1 W ire Relay and Switched 12V/100mA Output
The receiver has a 24 V, 0.5 A (form A) reed relay, and a
transistor switched 12V/100mA output, for control of external
devices.
Wire the relay terminals in the same manner that you would
connect a norm ally-open switch. Wire the 12V/100mA switched
output as required; OUT2 is the +12V output and C is the return.
For additional information regarding mounting and wiring, refer to
the BHS-3250 Receiver installation instructions.
3.11Connect to AC power
3.11.1 W ire the transformer
The BHS-4000A uses a 16.5 VAC, 25 VA or 40 VA transformer
(See Section 6.1.2 for a list of approved models.) Connect the
power terminals of the transformer to the AC terminals on the
main PCB, as shown in the following diagram.
Note: Connect the transformer using 18 AWG or larger and do
not exceed a wire length of more than 100 feet.
■ I I I ■
\
Wire the transformer
3.11.2 C onnect to Earth-Ground
An Earth-ground connection protects the system from damage
caused by power surges. For the most effective protection, a
“unified Earth-ground” is recommended. A unified Earth-ground
provides a common ground to the power and telephone lines, and
the security system.
To create an Earth-ground connection, run a 14-gauge solid
copper wire from terminal 5 (Earth) to the central terminal
(Ground) of the transformer, if the terminal is available.
If your transformer does not have an Earth Ground terminal, you
can create a Unified Earth Ground connection as shown in the
following illustration.
Unified Earth-Ground
Unified Earth-ground connection
3.12 Connect the backup battery
The BHS-4000A uses a Premier or Universal Brand 12 VDC lead-
acid backup battery (see section 6.1.2). Choose either a 4 Ah or a
7 Ah model. To determine the proper Ah rating for the battery,
refer to the Battery Loading Chart in Section 3.13.
To connect the backup battery, do the following:
1. Connect the red lead to the battery’s positive terminal.
2. Connect the black lead to the battery’s negative terminal.
Mounting and connecting the battery