ADEMCO Vista-20HW Troubleshooting Guide download pdf (Page 45)

Sounder Connections

The VISTA-20HW provides a 12 VDC output which can power external alarm

sounders (bells or sirens, see compatible sounders listed previously). This

output will activate a sounder when an alarm occurs in partition 1 or 2.

Make connections to alarm output terminals 3 (+) and 4 (-). See diagram

below.

Non-UL

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The total current drawn from this output cannot exceed 2 amps. A battery

must be installed since this current is supplied by the battery.

CONTROL BOARD

No. 702

SIREN

OUTPUT

Programming

Figure 15. Typical Sounder Wtig

for External Sounders

With at least one 2-line Alpha keypad (5137AD or 6139) connected to the

Partition 1 keypad terminals on the control, power up the system

temporarily. If you had previously comected the AC transformer to the

control panel, you need only plug in the transformer (to 120VAC outlet) to

power up the system.

Enter the programming mode by keying the following on the Alpha

keypad Installer code

(41 12) + 8 0 0.

Press %2. (Single Alarm Sounding per Zone/Armed Period). ❑

Enter “1” for yes, “O”for no (default). Enter “O”for UL installations.

Press =3. (Fire

Sounder Timeout).

❑

Enter “1” for no timeout, “O”for timeout (default).

Press *4. (Alarm Bell Timeout).

❑

Enter Ofor no timeout, 1 for 4 min (default), 2 for 8 rein, or 3 for 12 min.

Enter “1” for UL installations.

Press

=7. (Confirmation of Arming Ding).

There are separate entries in this field for partition 1 and for partition 2.

Enter “O” for no (default), “1” for yes.

Exit the programming mode by entering *99.

4s-

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 99 100

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ADEMCO Vista-20HW Troubleshooting Guide Page 45