ADEMCO VISTA 10 Setup Guide download pdf (Page 10)

Sounder (Bell) Connections

1. Make sounder connections to alarm output

terminals 3 (+) and 4 (–).

For supervised output, continue with steps 2

and 3.

2. Cut the red Bell Supervision Jumper located

above terminals 2 and 3 on the control board.

3. Connect a 2k ohm resistor across the

terminals of the last sounder.

This control complies with NFPA requirements for

temporal pulse sounding of fire notification

appliances. Temporal pulse sounding for a fire alarm

consists of:

3 pulses – pause – 3 pulses – pause – 3 pulses–etc..

EXTERNAL ALARM

SOUNDER

TERMINALS ON

CONTROL BOARD

ALARM

OUTPUT

TERMINALS

sounder-001-V0

CUT RED JUMPER ON CONTROL

BOARD TO ENABLE BELL

(SOUNDER) SUPERVISION.

2000

OHM

EOL

RESISTOR

IF BELL SUPERVISION IS ENABLED

(RED JUMPER ON CONTROL BOARD IS CUT)

CONNECT A 2000 OHM RESISTOR ACROSS

THE EXTERNAL SOUNDER AS SHOWN BY

THE DOTTED LINE.

DO NOT CONNECT THE RESISTOR AT THE

ALARM OUTPUT TERMINALS THEMSELVES!

OBSERVE

POLARITY

Figure 5. Sounder Wiring (Supervised)

NOTES

• The 12VDC sounder output activates when an alarm occurs.

• Total current drawn from this output cannot exceed 2 amps (going beyond 2 amps will overload the

power supply, or may cause the electronic circuit protecting the sounder output to trip).

• You must install a battery, since the battery supplies this current.

• Use only UL Listed sounding devices for UL installations.

• Bell supervision is required for fire alarm installations.

• The total current drawn from the alarm output and the

auxiliary power output, combined, cannot exceed 600

mA. In addition, the sounding device must be a UL Listed audible signal appliance rated to operate in a 10.2-

13.8 VDC voltage range, and must be mounted indoors.

Wiring the AC Transformer

Connect the 1321 Transformer to terminals 1 and

2 on the control board. See Wire Run Chart for

wire size to use.

(Use 1321CN in Canada.)

NOTES

Wire Run Chart

Distance from control Wire Size

Up to 50 feet # 20

50–100 feet # 18

100-250 feet # 16

• Use caution when wiring the transformer to the control to guard against blowing the transformer

fuse (the fuse is non-replaceable).

• Wiring to the AC transformer must not exceed 250 feet using 16 gauge wire. The voltage reading

between terminals 1 and 2 of the control must not fall below 16.5VAC or an “AC LOSS” message

will be displayed.

• Do not plug the transformer into the AC outlet while making any wiring connections to the control.

As a safety precaution, always power down the control when making such connections.

Backup Battery

1. Place the 12-volt backup battery in the cabinet.

2. After all connections to the control are completed and AC power has been applied, connect the red

and black flying leads on the control board to the battery. Do not attach these leads to the battery

terminals until all connections are completed.

IMPORTANT: The panel will not power up initially on battery power only. You must plug the

transformer in first, and then connect the battery.

For UL installations and Residential fire installations, refer to the chart below for the correct battery size

required to meet the mandatory standby time.

Installation Instructions

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ADEMCO VISTA 10 Setup Guide Page 10

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