Standard Phone Line Connections; Wiring The Ac Transformer; Installing The Back-Up Battery; Figure 4. Standard Telephone Line Connections - First Alert FA142C Installation Instructions Manual

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Standard Phone Line Connections

TERMINALS
ON CONTROL

Figure 4. Standard Telephone Line Connections

Wiring The AC Transformer

1321 Transformer
(1321CN in Canada)

Installing The Back-Up Battery

U L
The wiring connections shown here are not applicable if the FA4285 Phone
Module is used. Refer to the FA4285 Phone Module section for information
regarding phone line connections, which are different than those shown here.
Incoming phone line and handset wiring is connected to the main terminal
block via a RJ31X jack (CA38A jack in Canada), as indicated below and
shown in Figure 4.
Term. 17:
Local Handset (TIP – Brown*).
Term. 18:
Local Handset (RING – Gray*).
Term. 19:
Incoming Phone Line (TIP – Green*).
Term. 20:
Incoming Phone Line (RING – Red*).
*
Colors of wires in Direct Connect Cord.
Incoming
Handset
Telco Line
17
18
19
Wire the transformer to terminals 1 and 2 on the control board. See the wiring
table below for wire gauge to use.
WIRING TABLE
Distance of Transformer
From the Control Panel
Up to 50 feet
50–100 feet
100–250 feet
Wiring to the AC Transformer must not exceed 250 feet using 16 gauge wire.
Do not plug the transformer into the AC outlet until you are instructed to do so
later in the manual.
1. Place the 12-volt back-up battery in the control cabinet. To calculate the
correct battery size for an installation, refer temporarily to "Calculating the
Battery Size Needed" in the FINAL POWER UP section.
Use a 4AH battery or larger for UL installations.
– 14 –
20
21
EARTH GROUND
INCOMING TELCO LINE
DIRECT
CONNECT
TIP
CORD
RJ31X
RING
JACK
CA38A
JACK IN
PLUG
CANADA
Wire Gauge
To Use
# 20
# 18
# 16
PREMISES
PHONES

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Questions and answers

David
February 28, 2025

Why there is no siren output all of sudden

1 comments:
Mr. Anderson
February 28, 2025

The First Alert FA142C may have no siren output due to the following possible causes:

1. Power Issues – The alarm sounder requires a 12V, 2.0 Amp output. If the power supply is interrupted or the backup battery is depleted, the siren may not function.
2. Blown Fuse – The system has a 3A battery fuse (No. 90–12). If this fuse is blown, it could prevent the siren from operating.
3. Wiring Issues – Incorrect or loose wiring connections to the siren or control panel may cause a lack of output.
4. System Programming – If alarm outputs are not correctly programmed or disabled in the system settings, the siren may not activate.
5. Overloaded Power Output – The auxiliary power output and alarm sounder should not exceed 600mA total for UL installations. If overloaded, the system may shut down the siren output.

Checking these factors can help identify and resolve the issue.

This answer is automatically generated

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