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ii
THANK YOU for your purchase of the
OMNI-624 Security System.
The purpose of this manual is to give you a brief overview of the OMNI-624 control panels,
and provides instructions for installing a basic system. FBII is always available to serve
YOU. Our SALES and TECHNICAL SUPPORT staff are available to assist you in any
way possible.
World Wide Web Address .........................................................HTTP://WWW.FBII.COM
FAX ...............................................................................................................516-921-4327
Sales Inside the United States .....................................................................800-645-5430
Outside the United States...................................................................516-921-8666
Technical Support: (8 a.m.-8 p.m. E.S.T.)
Inside the United States .....................................................................800-645-7492
Outside the United States...................................................................516-921-8666
Before you call Technical Support, PLEASE be sure you:
•Check the wiring diagram and verify your connections.
•Check all fuses.
•Assure that the transformer and backup battery voltages are supplying the proper
voltage levels.
•Verify your programming information.
•Read this manual thoroughly.
•Consult the Troubleshooting Section of this manual.
•Note the proper model number of this product, and the version level (if known) along
with any documentation that came with the product.
•Have your company name and telephone number ready.
This information will allow us to service you more quickly and effectively. Please,
remember to BE PATIENT while waiting on the telephone; your call will be answered as
soon as possible.
FOR YOUR CONVENIENCE, a separate Programming Guide is included with this
manual. It provides space for listing entries for each programming question.

iii
Table of Contents
•••••••••••••••••••••••••••••••••••••••••••
SECTION 1 – INTRODUCTION............................................................................................................1-1
System Features ...................................................................................................................................1-1
Special Notes.........................................................................................................................................1-2
SECTION 2 – SYSTEM WIRING AND HOOKUP...............................................................................2-1
System Wiring Diagram.......................................................................................................................2-1
Terminal Connections...........................................................................................................................2-2
Auxiliary Device Current Draw Worksheet ........................................................................................2-5
Wiring Information for Keypads & Other Devices..............................................................................2-6
SECTION 3 – PC BOARD AND KEYPAD MOUNTING ....................................................................3-1
Mounting the OMNI-624/OMNI-624EU PC Board.............................................................................3-1
Mounting the RF Expander Module ....................................................................................................3-2
Mounting the Zone Expander Module .................................................................................................3-2
Keypad Mounting Instructions ............................................................................................................3-2
SECTION 4 – SYSTEM CONFIGURATION ........................................................................................4-1
Partitioning...........................................................................................................................................4-1
Hardwire Zones and Zone Expansion Module.....................................................................................4-1
Wireless Transmitters..........................................................................................................................4-2
Relay/Trigger Outputs..........................................................................................................................4-3
Paging Feature......................................................................................................................................4-4
SECTION 5 – SYSTEM OPERATION...................................................................................................5-1
Power Up/System Reset........................................................................................................................5-1
Keypads.................................................................................................................................................5-1
Keypad Sounder....................................................................................................................................5-4
Keypad Addressing...............................................................................................................................5-4
Arming the System...............................................................................................................................5-5
User Code Programming ......................................................................................................................5-8
User Deletion ......................................................................................................................................5-10
Keypad Emergency Conditions ..........................................................................................................5-10
Quick Command Modes......................................................................................................................5-11
SECTION 6 – SYSTEM PROGRAMMING...........................................................................................6-1
Programming Methods.........................................................................................................................6-1
System Default......................................................................................................................................6-1
Keypad Programming...........................................................................................................................6-2
Installer Modes Summary....................................................................................................................6-5
Data Entry via Keypads.......................................................................................................................6-9
Summary of System Programming....................................................................................................6-11
Programming Submode 1: SYSTEM OPTIONS................................................................................6-11
Programming Submode 2: ZONE PROGRAMMING / REPORT CODES........................................6-44
Programming Submode 3: WIRELESS TRANSMITTER PROGRAMMING...................................6-50

iv
Programming Submode 4: DESCRIPTOR PROGRAMMING ..........................................................6-51
SECTION 7 –SUMMARY OF KEYPAD FUNCTIONS.......................................................................7-1
User Functions......................................................................................................................................7-1
Installer Modes .....................................................................................................................................7-2
SECTION 8 –CENTRAL STATION REPORTING FORMATS........................................................8-1
General Information.............................................................................................................................8-1
Standard (3x1 or 4x1)...........................................................................................................................8-1
Extended (3x1 Ext. or 4x1 Ext.)...........................................................................................................8-2
Partial Extended (3x1 Part. Ext. or 4x1 Part. Ext.)............................................................................8-2
3x2 or 4x2..............................................................................................................................................8-3
FBII Superfast (4x3x1).........................................................................................................................8-3
ADEMCO 4x1 Express .........................................................................................................................8-4
ADEMCO 4x2 Express .........................................................................................................................8-4
ADEMCO Point ID ...............................................................................................................................8-5
SECTION 9 –TROUBLESHOOTING...................................................................................................9-1
SECTION 10 –REGULATORY/LIMITATIONS STATEMENTS....................................................10-1

v
Conventions Used in This Manual
•••••••••••••••••••••••••••••••••••••••••••
Before you begin using this manual, it is important that you understand the meaning of the following
symbols (icons) and text note.
ULThese notes include specific information that must be followed if you are installing this system
for a UL Listed application.
These notes include information that you should be aware of before continuing with the
installation, and which, if not observed, could result in operational difficulties.
!
This symbol indicates a critical note that could seriously affect the operation of the system, or
could cause damage to the system. Please read each warning carefully. This symbol also
alerts the user to the possibility of physical harm if instructions are not followed as written
.
Note: These text notes are provided throughout the manual to provide informative information and
shortcut tips for the installer.

vi

1-1
SECTION 1
Introduction
•••••••••••••••••••••••••••••••••••••••••••
System Features
The OMNI-624 and OMNI-624EU are state-of-the-art microprocessor-based control/communicators
that provide 2 partitions and support both hardwire and wireless zones. Programming can be
performed through any of the compatible keypads, or the system can be uploaded and downloaded
remotely using the Compass Downloader Software. Additionally, the software can be programmed to
control remote actions, such as arming, disarming, bypassing, etc. Programming options are stored in
an Electrically Erasable Programmable Read Only Memory (EEPROM). The EEPROM is nonvolatile,
meaning that programmed instructions will not be lost in the event of a loss of power.
Features of the OMNI-624 and OMNI-624EU include:
•2 independent partitions
•Up to 24 zones that may be comprised of a
combination of hardwire and wireless or
wireless zones
•6 hardwire zones (all fully programmable,
including keyswitch), expandable to 8
additional hardwire zones using optional plug-
in OMNI-EXP8 Expansion module
•Hardwire zones can be configured as standard
or double-balanced, or can be set for zone
doubling (providing up to 24 hardwire zones if
zone expander is used)
•Up to 24 wireless protection zones plus up to 8
wireless keys
•Cross-zoning capability
•32 User Codes (either 4-digit or 6-digit codes
can be used)
•Up to 12 keypads (OMNI-LCD, OMNI-KP, XK-
108L)
XK-108 keypads may also be used;
however, the system can only have XK-108
type keypads attached and the system must
be set up as having one partition.
•Keypad programming and remote programming
via PC and modem
•3 emergency keypad conditions (Panic, Fire, &
Auxiliary)
•128 Event History Log (alarms, troubles, low
battery, bypasses, central station (CS) test,
openings & closings) and keypad events
•20 programmable relay outputs (using optional
XL4705 modules)
•4 built-in programmable trigger outputs (2
triggers if relay module is used)
•Real-time clock (displays time & date via LCD
keypad) with reminder when clock needs to be
set
•CS test timer by event, time or both (1 hour, 1,
7, 27, 60, 90 Days)
•Customer control of Chime mode and Pager
mode
•Quick Arming, Quick Bypass, and Quick Force
Arming
•CS reporting by zone
•False alarm prevention features: Crossed
Zones, Exit Error, Recent Close, Swinger
Shutdown
•Cancel Code & System Stabilization during
power-up
•Arming by keyswitch in Away or Stay mode
•Keypad Tamper/Lockout with optional CS
reporting
•Restore transmission options: After Loop or
After Bell

OMNI-624/OMNI-624EU Installation and Setup Guide
1-2
•Upload/download and remote commands
•3 methods of uploading/downloading: PC,
operator-initiated, and unattended
•Paging (audio format) capabilities
•Auto-arming at a specific time of day with
capability to arm in either Away, Stay, or
Instant modes
•Dual entry timers
•Fire zone reset through keypad
•Glassbreak reset through keypad
•Bell Test, Low Battery Test, AC loss and
communications failure
•Input power: 16.5VAC, 25VA; 12VDC, 4-7AH
•Output power: 12VDC, 500mA
•Bell output power: 12VDC, 1A
Special Notes
!
IMPORTANT - Failure to install and program this unit in accordance with the UL
requirement is a violation of the listing mark. For more information on UL Listings,
contact Underwriters Laboratories, Progress Department, 333 Pfingsten Road,
Northbrook, IL 60062.
UL Listings
The OMNI-624 is the Residential (Household) version of the control panel, and has been Listed by
Underwriters Laboratories for the following applications:
•UL 1023 Household Burglary
•UL 985 Household Fire Warning
FCC Registration Number: 5GBUSA-44003-AL-E
References to Programming Questions
Programming questions are grouped into 4 installer programming submodes, as follows:
1 – System Options
2 – Zone and Report Code Programming
3 – Wireless Zone/Keyfob Programming
4 – Zone Descriptor Programming
Throughout this manual, programming question references without a submode designation pertain to
questions in submode 1 (system options). Programming questions for other submodes include the
appropriate submode number.

2-1
SECTION 2
System Wiring and Hookup
•••••••••••••••••••••••••••••••••••••••••••
System Wiring Diagram
OMNI624-SOC-V1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 20 21 22 23 24 25 26 27 28
CONNECT GROUNDING LUGSTO LEFT-HAND TERMINALS
DIRECT PLUG-IN
(Wireless Zones)
ANTENNA 2
ZR-401/ZR-402EU/OMNI-RF
RF RECEIVER
(optional)
RECEIVER
INTERNAL
CONNECTIONS
BELL SUPV
JP4
TRANSFORMER
16.5 VAC, 25VA
(CONNECT TO
24 HR. SOURCE)
++
+
-
-
BELL
OR
SELF-CONTAINED
SIREN
2.2k
ZONE
1
2.2k
ZONE
2
2.2k
ZONE
3
2.2k
ZONE
4
2.2k
ZONE
5
2.2k
ZONE
6
BLACK ( ) YELLOW (DATA IN)
GREEN (DATA OUT)
RED (+)
12V, 4-6AH
BATTERY
MODEL 467
(4AH)
BLACK
RED
+
_ANTENNA 1 JP1 JP2
29 30 31 32 33 34 35 36 37 38 39 40
P2 P3
2.2k
ZONE
7
2.2k
ZONE
8
2.2k
ZONE
9
2.2k
ZONE
10
2.2k
ZONE
11
2.2k
ZONE
12
2.2k
ZONE
13
2.2k
ZONE
14
TRIGGERS
+VBELL
GROUND
TRIGGER 2
TRIGGER 3 (OR CLOCK) *
TRIGGER 4 (OR DATA) *
TRIGGER 1
OMNI-EXP 8
HARDWIRE ZONE EXPANDER
(optional)
* IF XL4705 RELAY
MODULES USED.
MODEL 368 CORD
TO RJ31X OR
CA38A JACK
TELCO
HOME
RED GREEN
GRAY
BROWN
TO PREVENT RISK OF ELECTRICAL
SHOCK, DE-ENERGIZE THE SYSTEM
CONTROL UNIT AND DISCONNECTTHE
TELEPHONE LINES BEFORE SERVICING
THIS UNIT.
WARNING
P3
P2
PROGRAMMING
DEFAULT JUMPERS
EXT. SIREN SUPERVISION INPUT
OPTIONAL
TRIGGER CABLE
XL4612TC
USE WITH
XK108 OR
OMNI-LCD,
OMNI-KP,
AND XK108L
TYPICAL DOUBLE
BALANCED ZONES
TYPICAL CONNECTION
FOR ZONE DOUBLING
JP4 JUMPER
PINS
APPLICATION
1 & 2
2 & 3
STANDARD BELL
SUPERVISION
EXTERNAL SIREN
DRIVER SUPERVISION
(USE TERM. 5 FOR
SVSN. INPUT)
89
7.5k
ZONE 2
3.3k
ZONE 1
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
89
10
TAMPER
CONTACTS
TAMPER
CONTACTS
TELCO CONNECTOR
(APPLICABLE ONLY
IN AUSTRALIA)
FIRE &
BURGLARY
ALARM
OUTPUT
(11.5 -
13.1VDC,
1A MAX)
STANDARD EOLR
SMOKE POWER (6+) & (7-)
12VDC REG., 50mA MAX
GROUND LUG
NOTES:
1. FOR UL INSTALLATIONS, USE TWO 4AH
BATTERIES CONNECTED IN PARALLEL
FOR MINIMUM STANDBY OF 24 HOURS.
THE TWO BATTERY CABLE (P/N F344)
IS OPTIONAL AND NOT INCLUDED WITH
THE PANEL.
2. 180 mA MAX, AUX. POWER (INCLUDING
KEYPADS CONNECTED TO TERMINALS
20-23) FOR UL INSTALLATIONS.
3. 650 mA MAX, ALARM OUTPUT FOR UL
INSTALLATIONS.
4. FOR CE COMPLIANCE, WIRE THE OMNI-
EXP 8 HARDWIRE ZONE EXPANDER AS
DESCRIBED IN THE OMNI-EXP 8 INSTAL-
LATION AND SETUP GUIDE N9953V1 OR
HIGHER.
AUX PWR
(500mA MAX)

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:

Section 2. System Wiring and Hookup
2-3
3 (+)
OMNI624-001-V0
MECHANICAL
BELL
BELL OUTPUT
4 (–)
SIREN SUPERVISION (Self-Contained Siren/Speaker) -(Not for use in UL installations.) To
meet the NFPA 72 requirement program Question 12, Location 3, in Programming Submode 1 for
bell supervision. The siren is then supervised for an open circuit (not a short circuit) across the bell
output terminals; the keypad will indicate that a supervision condition has occurred and bell
supervision is reported to the CS, if enabled (Programming Submode 2, Question 43, Locations 1
and 2). If the siren is already sounding, the supervision will not take effect until after bell cutoff
time.
NOTE: Use FBII models ZR-815C, ZR-815EC, or ZR-830EC. See the following diagram:
3 (+)
OMNI624-002-V0
SIREN/SPEAKER
BELL OUTPUT
4 (–)
5 —SIREN SUPERVISION INPUT: The Bell output may be supervised when a conventional bell or a
self-contained siren is connected. When connecting a conventional bell or a self-contained siren to
the bell output terminals (3 and 4), the jumper JP4 must be placed across pins 1 and 2. When
connecting an external siren driver to the bell output terminals, the supervision wire is connected to
the siren supervision terminal of the siren driver, and the jumper JP4 must be placed across pins 3
and 4. A supervisory condition will generate a pulsing keypad sounder. Also, the supervisory LED
on the keypad will pulse. The sounder may be silenced by entering a valid user code while the
system is disarmed. The LED will continue to pulse until the supervision is fixed. If a bell, self-
contained siren, or external siren driver is not connected to the bell output terminals, a 100-ohm
resistor must be placed across the siren supervision input to prevent a bell supervision error or you
must disable bell supervision (Programming Submode 1, Question 12, Location 3). Bell supervision
will be reported to the CS if CS code is enabled.
6 (+) & 7 (–) —SMOKE DETECTOR POWER (B+): This system will accept 9.5–12VDC 4-wire smoke
detectors only. Approximately 50mA of current is available at these terminals for powering all
detectors and/or an EOL relay (i.e., FBII Model 620). For UL installations, see wiring diagram for
hookup.
These terminals adhere to the fire verification and reset logic, which is explained in the System
Programming section of this manual. The smoke detector power may be manually reset by clearing
the alarm memory and then entering a valid user code.
6 (+) & 4 (–) —REGULATED POWER (11.5 –13.1VDC B+): The total regulated output power for
motion detectors and other external devices is 500mA at 11.8 - 12.5V for residential applications, or
12.0 - 12.5V for commercial applications, with less than 100 mVPP ripple. The total regulated

OMNI-624/OMNI-624EU Installation and Setup Guide
2-4
output capacity of the control panel includes the power available from these terminals (6 and 4) as
well as the power used by the keypads (23 [+] and 20 [–]) and smoke detectors (7 [–] and 6 [+]).
Therefore, to determine the total power available from these terminals, subtract the power
consumed by the keypads and smoke detectors. NOTE: For UL installations, total current cannot
exceed 180mA including the keypads connected to terminals 20 through 23.
ZONE INFORMATION (HARDWIRED ZONES):
8 (+) & 9 (–)Zone 1 [Default = DELAY] 13 (+) & 12 (–)Zone 4 [Default = INSTANT]
10 (+) & 9 (–)Zone 2 [Default = INTERIOR] 14 (+) & 15 (–)Zone 5 [Default = INSTANT]
11 (+) & 12 (–)Zone 3 [Default = INSTANT] 16 (+) & 15 (–)Zone 6 [Default = INSTANT]
Normally-closed devices may be wired in series; normally open devices may be wired in parallel. A
2.2k-ohm end-of-line resistor can be installed on all zones. (Refer to the wiring diagram.) The
standard loop response time is 280mS on all zones. The factory default values for each zone are
listed in the table above; however, any zone can be programmed for the following types: delay,
perimeter, interior, fire, 24-hr. alarm, or 24-hr. trouble. Further explanation of the zone types can
be found in the System Programming section of this manual. See the “Hardwired and Zone
Expansion Module”paragraph in Section 4: System Configurations for information on zone doubling
(to increase the number of available hardwire zones) and the use of double-balanced zones.
NOTE: Loop response is defined as the minimum time required for a fault to trip a zone.
RF RECEIVER —ZONE INFORMATION (WIRELESS ZONES): Up to 24 wireless zones can be used if
the ZR-401, ZR-402EU, or OMNI-RF Wireless Expansion Module is installed. The maximum
number of zones (24) includes the 6 basic wired zones, wired zones using the expansion module, and
the wireless zones. Compatible ADEMCO 5800 Series or FBII ZR-500 Series wireless devices must
be used. See the “Wireless Zones”paragraph in Section 4: System Configuration for more
information on using wireless zones and for a list of compatible transmitters.
20 (BLK), 21 (YEL), 22 (GREEN) & 23 (RED) —KEYPADS: Up to 12 keypads may be wired to these
terminals. The connections are as follows: 20 (BLACK = negative), 21 (YELLOW = data in), 22
(GREEN = data out) and 23 (RED = positive power). Refer to the table in the “Auxiliary Device
Current Draw Worksheet”paragraph of this section to obtain keypad current draw information.
NOTE: In some installations, it may be necessary to use shielded wire to prevent radio frequency
interference.
24 —EARTH GROUND: Connect this grounding lug to a cold-water pipe utilizing 18AWG (1mm dia.)
wire at a distance of no greater than 15 feet (4.5m). Use a noncorrosive metal strap firmly secured
to the pipe to which the lead is electrically connected and secured. If the premises pipes terminate
in PVC, this terminal must be connected to a 6-foot (2m) grounding rod.
25 (BRN), 26 (GRAY), 27 (GREEN) & 28 (RED) —TELEPHONE LINE: Connect the RJ31X cord as
follows: 25 (BROWN = Home Tip), 26 (GRAY = Home Ring), 27 (GREEN = Telco Tip), 28 (RED =
Telco Ring). Insert the plug into an USOCRJ31X Jack (or a CA31A Jack for Canadian installations).
The FCC registration number is 5GBUSA–44003–AL–E, and the ringer equivalence is 0.1B. The
system should not be connected to party lines or coin-operated phones.
If this control panel will be used for uploading, downloading, or remote-command applications, the
telephone line connected to the control panel must not be shared with a fax machine or modem.

Section 2. System Wiring and Hookup
2-5
Furthermore, this device should not be connected to a phone line that has Call Waiting, unless the
Call Waiting Interrupt numbers are programmed into the panel dialing sequence.
BACKUP BATTERY: The RED (+) and BLACK (–) flying leads must be connected to a 12VDC 4–7AH
lead acid battery, to serve as backup power in the event of AC loss.
A battery test occurs approximately every minute. Low-battery condition occurs at nominal 11VDC.
The keypad AC/LOW BAT LED and buzzer will pulse slowly when a low-battery condition is
detected. The system reports this condition to the CS if programmed to do so. There is also an
option that prevents the system from arming if a low battery has been detected (see Question 14,
L2). Battery restoral will occur within 4 minutes, at the next battery test. The buzzer may be
silenced by entry of any valid user code.
NOTE: For UL installations, use two 4AH batteries connected in parallel.
TRIGGER/RELAY OUTPUTS: The control panel has four built-in programmable trigger outputs. In
addition, up to two XL4705 Relay Modules can be connected, providing 20 additional programmable
relay outputs. If the Relay Modules are used (enable modules in Programming Submode 1, Question
12, L2), then built-in triggers 3 and 4 are no longer used as trigger outputs, but serve as clock and
data inputs for the relay modules. See Programming Submode 1, Questions 32–43, for valid
trigger/relay types and programming.
NOTE: In order to connect devices to the triggers, use connector XL4612TC (trigger cable). Connect
to terminal P1 VBELL to obtain a POSITIVE reference point.Triggers 1, 2, 3, and 4 (3 and 4 when
not using XL4705) will go to a negative ground potential when active. For UL installations, the
trigger outputs shall be connected to devices rated to operate over the range from 10.1–14.0VDC at
50mA.
Auxiliary Device Current Draw Worksheet
DEVICE CURRENT DRAW FOR EACH NUMBER OF UNITS TOTAL CURRENT FOR ALL UNITS
Control Panel 65mA 1 65mA
OMNI-LCD (Backlight Off/On) 35mA/81mA
OMNI-KP (Backlight Off/On) 28mA/45mA
XK-108L 42mA
PIR **
Smoke Detector **
Glassbreak Detector **
**
**
TOTAL CURRENT FOR ALL DEVICES =
(500mA max.)***
** If the system is
using devices such as
PIR's, smoke
detectors, etc., refer to
the specifications for
that particular device's
current draw. If the
total current draw for
all devices exceeds
500mA, use an
additional power
supply.
*** For UL
installations, do not
exceed 180mA.
NFPA, UL, and the California State Fire Marshal require the backup battery to provide power
for 24 hours. The maximum aux. power will vary by the ampere/hour rating of the battery used:
5AH = 95mA; 7AH = 180mA; 8AH = 210mA.

OMNI-624/OMNI-624EU Installation and Setup Guide
2-6
Wiring Information for Keypads & Other Devices
KEYPADS & OTHER DEVICES
If single or multiple devices are connected on a single 4-wire or 2-wire run ("daisy chained") to the
control terminals, do the following:
Determine the current drawn by the unit(s) connected to the single-wire run, then refer to the Wiring
Run Table below to determine the maximum wire length that can be safely used for each wire size.
In some cases, the total current drawn may result in a value not shown in the table. For example, if you
plan to use #22 gauge (0.64mm) wire and the total current drawn is 400mA (a value between 300mA
and 500mA), the maximum wire length you should use is approximately 65 ft. or 20m (a length
between 50 and 80 ft or 15m and 24m). Other maximum wire lengths for values of current not shown in
the table can be calculated in a similar manner.
Maximum wire lengths for a device that is "home run" to the control can also be determined from the
table, based on the current draw of that device alone.
Wiring Run Table For Devices Drawing Power From Terminals 23 (+) & 20 (–)
TOTAL CURRENT DRAWN BY ALL UNITS ON A SINGLE WIRE RUN
WIRE SIZE 50mA or less 100mA 300mA 500mA
#22 (0.64mm) 500 ft. (152m) 250 ft. (76m) 80 ft. (24m) 50 ft. (15m)
#20 (0.8mm) 750 ft. (229m) 380 ft. (116m) 130 ft. (40m) 80 ft. (24m)
#18 (1mm) 1300 ft. (396m) 650 ft. (198m) 220 ft. (67m) 130 ft. (40m)
#16 (1.3mm) 2000 ft. (610m) 1000 ft. (305m) 330 ft. (100m) 200 ft. (70m)
Examples:
1. What is the maximum distance from the control panel for one keypad drawing 30mA using #20
gauge (0.8mm dia.) wire?
Using the table above, the keypad can be placed no farther than 750 ft. (230m) away from the panel
(50mA or less).
2. What is the maximum distance for 5 smoke detectors drawing 0.25mA (50µA each) using #22 gauge
(0.64mm dia.) wire connected in a single-wire run?
Using the table above, the farthest smoke detector can be placed no more than 500 ft. (150m) away
from the panel.

3-1
SECTION 3
PC Board and Keypad Mounting
•••••••••••••••••••••••••••••••••••••••••••
Mounting the OMNI-624/OMNI-624EU PC Board
NOTE: The door of the metal cabinet may be removed to make it easier to install the control panel.
Remove the door as follows:
1. With the cabinet laying on a flat surface, swing open the door to its full-open position.
2. Slide the door out of its retaining slots in the cabinet and store in a safe place.
BEFORE MOUNTING PRINTED CIRCUIT BOARD, BE CERTAIN THAT APPROPRIATE METAL
KNOCKOUTS HAVE BEEN REMOVED FROM THE METAL CABINET. DO NOT ATTEMPT TO REMOVE
THE KNOCKOUTS AFTER CIRCUIT BOARD HAS BEEN INSTALLED.
3. Insert top of circuit board into slots at top of cabinet. Make sure that circuit board rests in slots as
indicated in the diagram shown below.
4. Swing base of circuit board onto the raised cabinet tabs.
5. Secure the sides of the PC board to the enclosure using the 2 screws provided.
CABINET
DETAIL C
ANTENNA AND GROUNDING LUG INSTALLATION
ANTENNA
MOUNT
(2 PLACES)
ANTENNA
(2)
SCREW
(2)
BOARD
SUPPORTING
SLOTS
RCVR BRD
DETAIL A
SIDE VIEW
OF BOARD
SUPPORTING SLOTS
DETAIL B
SIDE VIEW
OF MOUNTING
SCREW
GROUNDING
LUG
(2)
pcb_mount-006-V0
CIRCUIT BOARD
CABINET
CONTROL CIRCUIT BOARD
++
CONTROL CIRCUIT BOARD
RF
RECEIVER
ANTENNAS
(INSERT IN
RIGHT-HAND
TERMINALS)
RF
RECEIVER

OMNI-624/OMNI-624EU Installation and Setup Guide
3-2
Mounting the RF Expander Module
1. Mount the receiver board on top of the
control PC board as shown in the
diagram at right.
2. Insert grounding lugs (supplied) into
the left-hand terminals of the antenna
blocks and secure them to the cabinet
with the screws provided.
3. Insert the receiver's antennas through
the top of the cabinet into the blocks'
right-hand terminals. Tighten screws.
BOARD
ZR-401/ZR-402EU/OMNI-RF
RF RECEIVER
OMNI624-004-V0
Mounting the Zone Expander Module
1. Mount the zone expander board onto the control PC board pins where shown in the diagram below.
2. Connect zone wiring as shown on the wiring diagram earlier in this manual.
BOARD
OMNI-EXP 8
HARDWIRE ZONE EXPANDER
OMNI624-005-V0
Keypad Mounting Instructions
The security system is compatible with the following addressable keypads:
•LCD (alpha) Keypad: OMNI-LCD
•Fixed-Word Keypad: OMNI-KP
•LED Keypad: XK-108L and XK-108
See the Installation Instructions provided with the keypads for mounting procedures.

4-1
SECTION 4
System Configuration
•••••••••••••••••••••••••••••••••••••••••••
Partitioning
This system provides the ability to arm and disarm 2 different areas, known as partitions, each as if it
had its own control. A partitioned system allows the user to disarm certain areas while leaving other
areas armed, or to limit access to certain areas to specific individuals. Each user of the system can be
assigned to operate either or both partitions, and can be given a different authority level in each. Users
with authority levels of 1 and 2 may view or program users in other partitions, using the [#] [0] or [#]
[7] commands.
Partitions are defined when zone information is programmed (submode 2 Questions 1–24). Once the
enabled zones have been established, the system will read each zone definition and, if the zone is
enabled, will use the partition information from each of these zones to enable the system’s partitioning.
Partitioning must start with partition 1 and must be used sequentially (i.e., you cannot have partition 3
without using partition 2).
Keypads: Each keypad must be given an address that is unique (from other keypads of the same type)
and assigned to one partition (Installer Mode 1, Questions 44–45).
Zones: Each zone must be assigned to one partition (submode 2, Questions 01–24). The zones assigned
to a partition are displayed on that partition's keypad(s).
Users: Each user can be assigned to one or more partitions. A user with access to more than one
partition (multiple access) can "log on" to one partition from another partition's keypad using the [#] [0]
command.
Hardwire Zones and Zone Expansion Module
Hardwired Zones: Consist of 6 on-board hardwired zones with a plug-in expansion module to allow 8
additional hardwired zones. System options allow for all hardwired zones to be configured as E.O.L.,
N.C., N.O., double-balanced, or configured for zone doubling.
Standard Mode: Each zone may be programmed as EOL 2.2K, normally closed or normally open.
Zones 5 and 6 can be set as fast zones (for normally closed loops only). Refer to the connection diagram
for wiring connections.
Double-Balanced Zones: In this configuration, tampers may be detected for both shorted and opened
loops. Tamper conditions will cause an alarm if armed and a fault if disarmed with visible tamper
indication on the keypad. Up to nine 2.2K resistors are wired in series across normal shorted detectors,
with one 2.2K end of line resistor. Any device that opens adds 2.2K to the loop causing an alarm. If the
loop resistance exceeds 22K, the loop is considered tampered. If the system is set for double-balanced,
this will override any individual zone settings.
Zone Doubling: Up to 24 zones may be used as hardwired if an expander is also used when this zone
option is selected. The zones are consecutive on each physical loop. The low zone uses a 3.3K resistor
and the next zone uses a 7.5K resistor. The loop is wired with normally shorted devices in parallel.

OMNI-624/OMNI-624EU Installation and Setup Guide
4-2
This means that Loop 1 uses the 3.3K resistor for Zone 1 and the 7.5K resistor for zone 2; Loop 2
contains zones 3 and 4, etc. In Zone programming (Programming Submode 2, Question 50, L3 and L4),
the value of 00 disables zone doubling; otherwise, program the first odd numbered loop that zone
doubling is to begin. For example, programming a “15”in the zone doubling question means that loop
15 on the zone expander will contain zones 15 and 16, and loop 16 will contain zones 17 and 18. Only
odd numbers may be selected because the system scans 2 consecutive zones at one time.
Cross Zoning: Two groups of 2-zone crosses can be programmed. Two cross-zone timers are
programmable (Question 53, L3 [timer 1] and L4 [timer 2] in Programming Submode 2: Zone
Programming) in 15-second increments (15 Sec. to 4 min.) Cross-zone processing only occurs when
controlled zones are armed or on 24-hour zones.
Cross zoning functions in either of 2 ways:
•If the group contains 2 different zones, when the first zone in the group is tripped, the cross-zone
timer loads and starts counting. An alarm will occur if:
The other zone in the same group trips before the timer reaches 0. This causes an alarm on the
second zone to trip. The first zone to trip will only go into alarm if it is still violated at the time
the second zone causes an alarm.
or
The timer expires and the zone that started the timer is still violated and has not restored during
the entire timing cycle.
•The zone is crossed to itself (e.g., Programming Submode 2, Question 51 is programmed as 0101 –
Zone 1 crossed to itself) and the zone has tripped 3 times within the timing period (Pulse counter).
Zone Expander Module: Using the OMNI-EXP8 Zone Expander Module, up to 8 additional hardwire
zones can be used. These zones can be configured as standard (EOL, NC, NO), double balanced, or set
for zone doubling. Refer to Section 3: PC Board and Keypad Mounting for information on installing the
Zone Expander Module.
Wireless Transmitters
Using the ZR-401, ZR-402EU, or OMNI-RF wireless Expander Module, up to 24 wireless zones plus up
to 8 wireless keyfobs can be used. Each zone or keyfob must be programmed and its serial number
entered in programming mode.
NOTES: For 433.92MHz, use the ZR-402EU Expander Module.
For 868MHz, use the OMNI-RF Expander Module
When using the ZR-401, you must use ZR-401 V1.1 or later for proper system operation.
The ZR-401, ZR-402EU, and OMNI-RF features two antennas to provide diversity. One is located on
the module and the other is located on the control’s PC board.
The 6 hardwired zones on board may be eliminated from the system to use an all-wireless system that
supports up to 24 zones. The system can be programmed without skips in zone usage by assigning an
offset to the first RF zone (Submode 2, Question 50, L1 and L2). For example, if 14 hardwired zones
are used (6 on board and 8 on the hardwired expander), the offset may be set to 15 to start the usage of
wireless points. The default value for the wireless offset is 07.

Section 4. System Configuration
4-3
The following chart lists the most popular compatible wireless devices by market. Please consult your
distributor for the availability of additional products.
Device North America
(345MHz) Western Europe (433.92MHz) Outside Western Europe (433.92MHz) Europe (868MHz)
2-Zone Transmitter 5816 5816EU ZR510 5816EUH
Dual Element PIR 5890/5890PI 5888EU ZR530 5888EUH
Panic Transmitter 5802MN 5802EU ZR520 5802EUH
Smoke Detector 5808LST 5808EU N/A 5808EUH
4-Button Keyfob 5804 5804EU ZR590 5804EUH
NOTE: This security system is not compatible with the ADEMCO bi–directional devices.
Relay/Trigger Outputs
The system allows up to 22 programmable outputs. It provides 4 built-in triggers with the option of
adding up to four XL4705 Relay Modules (which provide up to 20 relay outputs). If the relay modules
are used, they must be enabled during programming (Submode 1, Question 12, Location 2). When using
relay modules, built-in triggers 3 and 4 no longer function as triggers but serve as clock and data inputs
for the modules. The remaining 2 built-in triggers provide a total of up to 22 programmable outputs.
See Programming Questions 32–43 in Submode 1 for individual trigger programming options.
Each XL4705 Relay Module provides five form C relays. Each module must be assigned a unique
module address (0–3) using its DIP switches. The module addresses allow the system to identify the
specific relay numbers being used according to the following table:
Module
Number Module DIP Address Relay Numbers Program Question
1 0 1–5 Q32–34
2 1 6–10 Q34–36
3 2 11–15 Q37–Q39
4 3 16–20 Q39–Q41
Built-in triggers 1–4 are programmed in Questions 42–43.
NOTE: If the system uses relay modules, only triggers 1 and 2 are available.

OMNI-624/OMNI-624EU Installation and Setup Guide
4-4
Connect the Relay Modules as shown:
1 2 3 4 5 6 7 8 9 1011121314151617181920
GND DATA CLK
+ 12V NO NC C NO NC C NO NC C NO NC C NO NC C
Relay 1 Relay 2 Relay 3 Relay 4 Relay 5
XL4705
RELAY
MODULE
CONNECT
TO EARTH
GROUND
TO AUX POWER
TERMINALS
CONNECT TO TRIGGER 4
CONNECT TO TRIGGER 3
DATA
CLOCK
12V
REFER TO
“DIP SWITCH ADDRESSING”
TABLE FOR SETTINGS
DIP SWITCHES
DIP SWITCH 1: In the ON position, inverts Relays 2 and 4, e.g.,
if wired for normally closed (N.C.), relay will
change to normally open (N.O.), and vice versa.
SW1
ON
OFF
1234
DIP SWITCHES
SHOWN IN “OFF”
POSITION
Trigger Address Switch 2 Switch 3 Switch 4
1–5 OFF OFF OFF
6–10 ON OFF OFF
11–15 OFF ON OFF
16–20 ON ON OFF
DIP SWITCH ADDRESSING
*
Modules may have to be powered from a separate
12V power source if the total current drawn by the
relay modules exceeds the current available from
the control panel’s Auxiliary Power output.
SW1
USE TWISTED
PAIR FOR
THESE WIRES
(4)
(7)
OMNI624-006-V0
XL4705 Current Advisory: Standby = 16mA
Each active relay = 40mA
Total current drain with all five relays active = 200mA
If a separate power supply is used to power the module, you must connect the
power supply ground to the control panel ground terminal.
Paging Feature
Summary: A 16-digit phone number to dial for paging by each partition (#58 user function), which the
end user or installer can reprogram, is entered in Submode 1, Question 4 (partition 1) and Question 5
(partition 2). The number of times the pager number is dialed is installer-programmable from 1–3
times. The installer also selects which events may cause a page. Four conditions may be selected: (1)
zone alarms, (2) 24-hour zone troubles, (3) openings, and (4) closings. The conditions are programmed
in Submode 1, Question 23, Location 1 for partition 1 and Location 2 for partition 2. Each user code
may also be enabled/disabled from sending pages on opens and closes. Additionally, paging may be
turned on or off for opening and closing.
NOTE: Only one event is paged-based on the priority described next.