OMNI-624/OMNI-624EU Installation and Setup Guide
2-2
SYSTEM STABILIZATION MODE: When powering up a system that was previously armed when
power was removed, the system will enter a 2-minute stabilization period. This 2-minute interval is
used to allow motion detectors to stabilize. “PLEASE STAND BY” and “POWER UP DELAY” are
displayed on the OMNI-LCD keypad. “PL” is displayed on the OMNI-KP keypad, and the Armed
LEDs on both keypads are lit. All LEDs on the XK108 and XK108L keypad are lit.
Terminal Connections
1 & 2 — TRANSFORMER: Connect the 16.5VAC 25VA transformer, utilizing 18AWG (1mm dia.) or
larger wire at a distance not to exceed 15 feet (4.5m) from the panel, to an
unswitched
source of
AC mains power (120 or 220VAC).
The system can supply up to 1.8 amps of total current.
Do not use any other rating transformer, as this may result in improper operation or damage to the
unit.
The “AC/LOW BAT” keypad LED remains ON while AC power is present. If an AC loss occurs, the
“AC/LOW BAT” LED turns off immediately. If AC power remains OFF for 15 minutes, the system
pulses the keypad buzzer and transmits a power-loss message to the central station, if programmed
to do so. THE KEYPAD BUZZER CAN BE SILENCED by entry of any valid user code. When AC
restores, the “AC/LOW BAT” LED lights immediately, and a Restore code is reported, if
programmed.
3(+) & 4(–) — BELL OUTPUT: The total output power available for sounding devices is 1 amp (650 mA
for UL installations) at 11.5 - 13.1VDC. These terminals will deliver CONSTANT output on
BURGLARY, AUDIBLE PANIC, and BELL TEST. On a FIRE condition, a PULSED or TEMPORAL
output can be generated. There are separate bell cutoff times programmable for burglary and fire
conditions within the programming sequence. For UL Household Fire Warning System
installations, the speaker must be mounted indoors for best audibility. Also, for UL installations,
use only one speaker.
NOTE:
Before connecting sounding devices, please consult their specifications for proper current
draw. Otherwise, the bell fuse (F1) may be blown.
NFPA 72 REQUIREMENT:
All the
interconnecting pathways (cable,
wire, etc.) between the alarm
system initiating device (control
panel) and the signaling device
(bell, speaker, siren, etc.) shall be
monitored for an occurrence of an
open circuit, which prevents the
normal operation of the system. An
occurrence of an open circuit shall
be indicated by a distinctive trouble
signal.
BELL SUPERVISION (Bell)
- To meet the NFPA 72
requirement, program Question 12, Location 3, in
Programming Submode 1 for bell supervision. The bell is then
supervised for an open circuit (not a short circuit) across the
bell output terminals; the keypad will indicate that a bell
supervision condition has occurred and fire trouble is reported
to the CS if enabled. If the bell is already ringing, the
supervision will not take effect until after bell cutoff time. Refer
to the following diagrams:
To Next Page
Loading...
Need help?
General