BRINKS BHS-4000A - 3 Wiring Instructions; 3.1 Terminal Layout and Functions

BHS-4000A Installation and Programming Instructions
3 Wiring
3.1 Terminals
The layout of the terminals of the BHS-4000A is shown below. The function of each terminal is summarized in the table.
To unified Earth-ground
3.1.1 Function of each terminal
Label Description Value
Connects to
AC
AC Input 16.5 VAC, 25 or 40 VA
Class 2 AC transformer, 120 VAC 50/60 Hz
AC AC Input
16.5 VAC, 25 or 40 VA
Class 2 AC transformer, 120 VAC 50/60 Hz
SF
Special Function Terminal 0-12 VDC nominal, 10 mA
Relay device or programmable output device
BELL
Bell output positive
12.8 VDC External bell
EARTH
Earth-Ground Connection
Not applicable
Refer to Section 3.9.2 - Connecting to Earth
Ground
SIREN
Siren Output positive
90 dB with 8-Ohm load
Up to four 8-Ohm speakers. Total minimum
impedance: 4 Ohm.
—
Siren -
Not applicable
Circuit common
AUX Auxiliary Output Positive
1000 mA @ 13.2 V
Keypads, sensors, relays, and accessory modules.
CLK
Keypad data bus
RS-48S:
38.4 kHz
Differential keypad data bus.
DATA Keypad data bus
RS-485:
38.4 kHz
Differential keypad data bus.
FIRE
4-wire smoke detector power 12.8 VDC
Power for 4-wire smoke detector
Common terminal Not applicable
Circuit common
Z1
Zone input
0 - 12.8 VDC, 3 mA max.
Zone 1 detection device
Z2 Zone input
0-12.8 VDC, 3 mA max.
Zone 2 detection device
— .
Common terminal
Not applicable
Circuit common
Z3 Zone input
0-12.8 VDC, 3 mA max.
Zone 3 detection device
Z4 Zone input
0 - 12.8 VDC, 3 mA max.
Zone 4 detection device
—
Common terminal
Not applicable
Circuit common
Z5
Zone input
0 - 12.8 VDC, 3 mA max.
Zone 5 detection device
Z6
Zone input
0 - 12.8 VDC, 3 mA max.
Zone 6 detection device
—
Common terminal
Not applicable
Circuit common
Z7
Zone input
0-12.8 VDC, 3 mA max.
Zone 7 detection device
Z8 Zone input 0 - 12.8 VDC, 3 mA max.
Zone 8 detection device
—
Common terminal
Not applicable
Circuit common
NOTE: All DC voltages listed are nominal values with AC power applied.
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