Wired NAC Input Connection Information
Wired Conventional NAC Input Compatible. For
applications where existing (or new) conventional
Notification Appliance Circuits (NACs) are available, the
TrueAlert Addressable Controller can be controlled
directly from the NACs. (Refer to diagram below.)
Flexible Connection Choices. Two NACs, from
either the same, or from different host fire alarm control
panels, can be connected to control the TrueAlert output
channels. Multiple control selections provide flexible
operation. (Refer to table below.)
NAC input to SLC output control is selectable per
the following table (configure NAC input as Steady On,
uncoded):
Input NAC
Output SLC Control Options
A B
NAC 1
Controls
visibles
Controls audibles and
visibles on Channel 1
NAC 2
Controls
audibles
Controls audibles and
visibles on Channels 2 and 3
Strobe Output. TrueAlert Addressable Strobes are
operated with synchronized flashes.
Horn Output. TrueAlert Addressable Horn operation is
selectable per TrueAlert Addressable Controller as either:
Temporal pattern, March Time pattern at either 60 or
120 bpm or Steady On.
Door Mounted Reference Label
A detailed programming and diagnostic label is located
inside the front door providing a quick reference for both
installation and checkout.
Service Diagnostic Features
Power-up Self-Diagnostics. Upon power-up, the
TrueAlert Addressable Controller tests each module and
performs earth fault diagnostics. Trouble conditions are
communicated to the host control panel and are also
displayed on internal LEDs.
System troubles via RUI or IDNet communications
are reported with detailed information concerning which
TrueAlert Addressable Controller is involved and the
nature of the trouble. Messages include power and battery
status, earth fault, channel troubles, address problems, and
other information.
System Troubles via Wired Control. When
controlled with conventional NAC inputs, common
troubles are signaled by providing an open circuit that
disconnects the NAC wiring from its end-of-line resistor
but still allows a reversed polarity alarm to be received.
LED Status Indicators are provided for the following:
Five yellow status LEDs provide 22 separate
indications listed in priority of urgency. As a trouble is
eliminated, any remaining trouble(s) will then be
indicated until the TrueAlert Addressable Controller is
returned to normal operation
Three separate yellow LEDs indicate which of
the three TrueAlert channels are involved for channel
specific troubles
AC power status is indicated by a green LED that
is on when AC is normal. During low AC (brownout)
conditions or with no AC, the LED is off. Additional
power and battery status is indicated by the general
status LEDs
TrueAlert Addressable Controllers
controlled by two NAC inputs
Fire Alarm Control Panel
with Conventional NACs
NAC 1 control for visible
notification (on-until-silenced)
or control both audibles and
visibles on Channel 1
NAC 2 Control for audible
notification (on-until-reset) or
control both audibles and
visibles on Channels 2 and 3
NAC
inputs
Additional
NAC Control
POWE R
BEFORE
SERVICING
CAUTION
DISCONNECT
TrueAlert Addressable Controller
TM
TrueAlert Addressable
Controller
POWE R
BEFORE
SERVICING
CAUTION
DISCONNECT
TrueAlert Addressable Controller
TM
POWE R
BEFORE
SERVICING
CAUTION
DISCONNECT
TrueAlert Addressable Controller
TM
Three TrueAlert channels
**SYSTEM IS NORMAL**
12:02:15pm Fri 19-Feb-99
ALARM
ACK
SUPV
ACK
TROUBLE
ACK
ALARM
SILENCE
SYSTEM
RESET
FIRE
ALARM
SYSTEM
SUPERVISORY
SYSTEM
TROUBLE
ALARM
SILENCED
AC
POWER
NOTE: Select NAC control for Steady On
(uncoded) operation
Up to four TrueAlert
Addressable Controllers
can be connected to
one conventional NAC
5 S4009-0003-10 9/2015
TrueAlert Addressable Controller with Wired Control