Notifier FDU-80 User manual

Remote Fire
Annunciator
FDU-80
PN:51264:A2 ECN 00-245
Document 51264
6/14/00 Rev: A
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LimWarSm.p65 01/10/2000
An automatic fire alarm system–typically made up of
smoke detectors, heat detectors, manual pull stations,
audible warning devices, and a fire alarm control with
remote notification capability–can provide early warning
of a developing fire. Such a system, however, does not
assure protection against property damage or loss of life
resulting from a fire.
The Manufacturer recommends that smoke and/or heat
detectors be located throughout a protected premise
following the recommendations of the current edition of
the National Fire Protection Association Standard 72
(NFPA 72), manufacturer's recommendations, State and
local codes, and the recommendations contained in the
Guide for Proper Use of System Smoke Detectors, which
is made available at no charge to all installing dealers.
A study by the Federal Emergency Management Agency
(an agency of the United States government) indicated
that smoke detectors may not go off in as many as 35%
of all fires. While fire alarm systems are designed to
provide early warning against fire, they do not guarantee
warning or protection against fire. A fire alarm system
maynot provide timely or adequate warning, or simply
may not function, for a variety of reasons:
Smoke detectors may not sense fire where smoke
cannot reach the detectors such as in chimneys, in or
behind walls, on roofs, or on the other side of closed
doors. Smoke detectors also may not sense a fire on
another level or floor of a building. A second-floor
detector, for example, may not sense a first-floor or
basement fire.
Particles of combustion or "smoke" from a developing
fire may not reach the sensing chambers of smoke
detectors because:
• Barriers such as closed or partially closed doors,
walls, or chimneys may inhibit particle or smoke flow.
• Smoke particles may become "cold," stratify, and not
reach the ceiling or upper walls where detectors are
located.
• Smoke particles may be blown away from detectors
by air outlets.
• Smoke detectors may be drawn into air returns before
reaching the detector.
The amount of "smoke" present may be insufficient to
alarm smoke detectors. Smoke detectors are designed
to alarm at various levels of smoke density. If such
density levels are not created by a developing fire at the
location of detectors, the detectors will not go into alarm.
Smoke detectors, even when working properly, have
sensing limitations. Detectors that have photoelectronic
sensing chambers tend to detect smoldering fires better
than flaming fires, which have little visible smoke.
Detectors that have ionizing-type sensing chambers
tend to detect fast-flaming fires better than smoldering
fires. Because fires develop in different ways and are
often unpredictable in their growth, neither type of detec-
tor is necessarily best and a given type of detector may
not provide adequate warning of a fire.
Smoke detectors cannot be expected to provide
adequate warning of fires caused by arson, children
playing with matches (especially in bedrooms), smoking
in bed, and violent explosions (caused by escaping gas,
improper storage of flammable materials, etc.).
Heat detectors do not sense particles of combustion and
alarm only when heat on their sensors increases at a
predetermined rate or reaches a predetermined level.
Rate-of-rise heat detectors may be subject to reduced
sensitivity over time. For this reason, the rate-of-rise
feature of each detector should be tested at least once
per year by a qualified fire protection specialist.
Heat
detectors are designed to protect property, not life.
IMPORTANT! Smoke detectors must be installed in
the same room as the control panel and in rooms used
by the system for the connection of alarm transmission
wiring, communications, signaling, and/or power.
If
detectors are not so located, a developing fire may dam-
age the alarm system, crippling its ability to report a fire.
Audible warning devices such as bells may not alert
people if these devices are located on the other side of
closed or partly open doors or are located on another
floor of a building. Any warning device may fail to alert
people with a disability or those who have recently con-
sumed drugs, alcohol or medication. Please note that:
•Strobes can, under certain circumstances, cause
seizures in people with conditions such as epilepsy.
•Studies have shown that certain people, even when
they hear a fire alarm signal, do not respond or
comprehend the meaning of the signal. It is the
property owner's responsibility to conduct fire drills
and other training exercise to make people aware of
fire alarm signals and instruct them on the proper
reaction to alarm signals.
•In rare instances, the sounding of a warning device
can cause temporary or permanent hearing loss.
A fire alarm system will not operate without any
electrical power. If AC power fails, the system will
operate from standby batteries only for a specified time
and only if the batteries have been properly maintained
and replaced regularly.
Equipment used in the system may not be technically
compatible with the control. It is essential to use only
equipment listed for service with your control panel.
Telephone lines needed to transmit alarm signals from
a premise to a central monitoring station may be out of
service or temporarily disabled. For added protection
against telephone line failure, backup radio transmission
systems are recommended.
The most common cause of fire alarm malfunction is
inadequate maintenance. To keep the entire fire alarm
system in excellent working order, ongoing maintenance
is required per the manufacturer's recommendations,
and UL and NFPA standards. At a minimum, the
requirements of Chapter 7 of NFPA 72 shall be followed.
Environments with large amounts of dust, dirt or high air
velocity require more frequent maintenance. A mainte-
nance agreement should be arranged through the local
manufacturer's representative. Maintenance should be
scheduled monthly or as required by National and/or
local fire codes and should be performed by authorized
professional fire alarm installers only. Adequate written
records of all inspections should be kept.
While a fire alarm system may lower insurance
rates, it is not a substitute for fire insurance!
Fire Alarm System Limitations
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LimWarSm.p65 01/10/2000
WARNING - Several different sources of power can be
connected to the fire alarm control panel.
Disconnect all
sources of power before servicing. Control unit and
associated equipment may be damaged by removing
and/or inserting cards, modules, or interconnecting
cables while the unit is energized. Do not attempt to
install, service, or operate this unit until this manual is
read and understood.
CAUTION -
System Reacceptance Test after Software
Changes.
To ensure proper system operation, this
product must be tested in accordance with NFPA 72
Chapter 7 after any programming operation or change in
site-specific software. Reacceptance testing is required
after any change, addition or deletion of system compo-
nents, or after any modification, repair or adjustment to
system hardware or wiring.
All components, circuits, system operations, or software
functions known to be affected by a change must be
100% tested. In addition, to ensure that other operations
are not inadvertently affected, at least 10% of initiating
devices that are not directly affected by the change, up
to a maximum of 50 devices, must also be tested and
proper system operation verified.
This system meets NFPA requirements for operation
at 0-49°C/32-120°F and at a relative humidity of 85%
RH (non-condensing) at 30°C/86°F. However, the
useful life of the system's standby batteries and the
electronic components may be adversely affected by
extreme temperature ranges and humidity. Therefore,
it is recommended that this system and all peripherals
be installed in an environment with a nominal room
temperature of 15-27°C/60-80°F.
Verify that wire sizes are adequate for all initiating and
indicating device loops. Most devices cannot tolerate
more than a 10% I.R. drop from the specified device
voltage.
Like all solid state electronic devices, this system may
operate erratically or can be damaged when subjected
to lightning-induced transients. Although no system is
completely immune from lightning transients and inter-
ferences, proper grounding will reduce susceptibility.
Overhead or outside aerial wiring is not recommended,
due to an increased susceptibility to nearby lightning
strikes.
Consult with the Technical Services Department
if any problems are anticipated or encountered.
Disconnect AC power and batteries prior to removing
or inserting circuit boards. Failure to do so can damage
circuits.
Remove all electronic assemblies prior to any drilling,
filing, reaming, or punching of the enclosure. When
possible, make all cable entries from the sides or rear.
Before making modifications, verify that they will not
interfere with battery, transformer, and printed circuit
board location.
Do not tighten screw terminals more than 9 in-lbs.
Over-tightening may damage threads, resulting in
reduced terminal contact pressure and difficulty with
screw terminal removal.
Though designed to last many years, system compo-
nents can fail at any time. This system contains static-
sensitive components. Always ground yourself with a
proper wrist strap before handling any circuits so that
static charges are removed from the body. Use static-
suppressive packaging to protect electronic assemblies
removed from the unit.
Follow the instructions in the installation, operating,
and programming manuals. These instructions must
be followed to avoid damage to the control panel and
associated equipment. FACP operation and reliability
depend upon proper installation by authorized personnel.
WARNING: This equipment generates, uses, and
can radiate radio frequency energy and if not in-
stalled and used in accordance with the instruction
manual, may cause interference to radio commu-
nications. It has been tested and found to comply
with the limits for class A computing device pursu-
ant to Subpart B of Part 15 of FCC Rules, which is
designed to provide reasonable protection against
such interference when operated in a commercial
environment. Operation of this equipment in a
residential area is likely to cause interference, in
which case the user will be required to correct the
interference at his own expense.
Canadian Requirements
This digital apparatus does not exceed the
Class A limits for radiation noise emissions from
digital apparatus set out in the Radio Interfer-
ence Regulations of the Canadian Department
of Communications.
Le present appareil numerique n'emet pas de
bruits radioelectriques depassant les limites
applicables aux appareils numeriques de la
classe A prescrites dans le Reglement sur le
brouillage radioelectrique edicte par le
ministere des Communications du Canada.
FCC Warning
Adherence to the following will aid in problem-free
installation with long-term reliability:
Installation Precautions
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NOTES
4Document 51264 Rev A2 6/14/00 P/N 51264:A2
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Table of Contents
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Ta bl e o f C o nt e n t s
Section 1: FDU-80 Annunciator ...............................................................6
1.1 Features of FDU-80 ........................................................................7
1.2 Components & Wiring ....................................................................8
1.3 SW1 DIP Switch Settings ...............................................................10
1.4 Typical Configuration .....................................................................13
Section 2: Operation ...................................................................................14
2.1 Display Patterns ..............................................................................14
2.2 Switch Functions .............................................................................15
2.2.1 Key-switch ..........................................................................15
2.2.2 Acknowledge/Step ...............................................................15
2.2.3 Silence ..................................................................................16
2.2.4 Drill: Hold 2 Sec. .................................................................16
2.2.5 Reset .....................................................................................16
2.3 LED Indicators ................................................................................17
2.3.1 AC Power .............................................................................17
2.3.2 Alarm ...................................................................................17
2.3.3 Supervisory ..........................................................................17
2.3.4 Trouble .................................................................................17
2.3.5 Alarm Silenced ....................................................................17
Section 3: Mounting ....................................................................................18
3.1 Annunciator Preparation .................................................................18
3.2 Semi-flush Mount Backbox ............................................................20
3.3 Surface Mount Backbox .................................................................22
Section 4: Electrical Connections .............................................................23
4.1 Power Connections .........................................................................23
4.2 EIA-485 Connections .....................................................................24
Section 5: EIA-485 Shield Termination ....................................................25
5.1 Shield Not in Conduit .....................................................................26
5.2 Shield in Full Conduit .....................................................................27
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FDU-80 Annunciator
6Document 51264 Rev A2 6/14/00 P/N 51264:A2
Section 1: FDU-80 Annunciator
The FDU-80 Annunciator is a compact, 80-character, backlit LCD fire
annunciator designed for use with the AFP-300/400 and AFC-600
FACPs (Fire Alarm Control Panels). It should be noted that the FDU-80
Annunciator display will mimic the FACP display.
The FDU-80 is capable of displaying English-language text of system
point status including device type, independent point alarm, trouble or
supervisory, zone and custom alpha labels programmed into the control
panel. The FDU-80 also provides system status LEDs to display Power,
Alarm, Trouble, Supervisory and Alarm Silenced conditions. The
FDU-80 is capable of performing system acknowledge, silence, drill
and reset remotely.
Communication between the FACP and the FDU-80 is accomplished
over a two-wire serial interface employing the EIA-485 communication
standard. Up to 32 annunciators may be connected to the two-wire
EIA-485 circuit. The annunciators may be powered from the host FACP
or remote UL listed, filtered, power supplies.
Ack/Step Silence Reset
Drill
Hold 2 sec.
FIRE ALARM ANNUNCIATOR
Alm. Silenced
Supervisory
TroubleAlarmAC Power
FDU-80.cdr
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FDU-80 Annunciator Features of FDU-80
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1.1 Features of FDU-80
• 80-character LCD display (20 characters x 4 lines) is backlit
under normal and alarm conditions
• System Status LEDs for AC Power (green), Alarm (red), Trouble
(yellow), Supervisory (yellow) and Alarm Silenced (yellow)
• No programming necessary — duplicates messages at control
panel display.
Note: The FACP may require programming to function with the
FDU-80. Refer to the specific FACP manual for programming
information
• Local piezo sounder with alarm and trouble resound
• Device type identifiers from the control panel
• Device & zone custom alpha labels from the control panel
• Time/date and device address from the control panel
• EIA-485 connects to control panel terminal port
• Plug-in terminal blocks for ease of installation and service
• DIP switches control piezo enable/disable, transmit/receive
mode, FACP selection, function switches and key-switch enable/
disable.
• Up to 32 FDU-80 Annunciators per FACP
• Mounting options:
✓Surface mounting in SBB-3 (2.75" depth) or three
electrical boxes ganged together
✓Semi-flush mounting in three-gang electrical box (P/N
10103) with a minimum depth of 2.187" or three electrical
boxes ganged together
✓Can be located up to 6,000 feet (1,800 m) from the panel
• Backlight turns off during AC loss to conserve battery power but
will turn back on if an alarm condition occurs.
• Enable/Disable key-switch
• Function switches for:
✓Acknowledge/Step
✓Alarm Silence
✓Drill
✓System Reset/Lamp Test
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FDU-80 Annunciator Components & Wiring
8Document 51264 Rev A2 6/14/00 P/N 51264:A2
1.2 Components & Wiring
SW1
J3
J2
J1
Figure 1-1: Components
Future use
ON = Piezo Enable
OFF = Key-switch Enabled
OFF = Receive only
Top view
Note: See “DIP
Switch Settings
Example” on
page 12.
The FDU-80 sounder, if enabled, will be
activated when any new alarm or trouble is
received from the panel. It is silenced by an
Acknowledge switch. Piezo must not be
disabled without approval of the LAHJ
(Local Authority Having Jurisdiction).
Piezo Sounder
Membrane Connector
Cable connection to membrane switches
for Acknowledge, Silence, Drill and Reset.
FDU80brd.cdr
Panel Configuration
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FDU-80 Annunciator Components & Wiring
9
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4 3 2 1
7 6 5 4 3 2 1
12345 6 78
Figure 1-2: Wiring to Terminals
Terminal Block
replacement
P/N 02108
P2 P1
Terminal Block
replacement
P/N 02109
+ EIA-485 OUT
+ EIA-485 IN
- EIA-485 OUT
- EIA-485 IN
no connection
+24 VDC IN
+24 VDC OUT
-24 VDC IN
-24 VDC OUT
Earth Ground Option
Note: These connections must be power-limited and the +24 VDC
nominal power must be filtered and nonresettable.
Operating Voltage Range: 18 VDC to 28 VDC
Current Consumption @ 24 VDC nominal (filtered and nonresettable):
Normal/Standby (no activity): 64.3 mA
Trouble Condition: 64.3 mA
Alarm: 64.3 mA
AC Fail (not backlit): 25 mA
Side view
FDU80Bds.cdr
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FDU-80 Annunciator SW1 DIP Switch Settings
10 Document 51264 Rev A2 6/14/00 P/N 51264:A2
1.3 SW1 DIP Switch Settings
Refer to “DIP Switch Settings Example” on page 12, for an explanation
of DIP switch positions. SW1 switch settings follow:
1 - On = Key-switch disabled, Off = Key-switch enabled.
Switch 1 set to the Off position enables key-switch operation. The
key-switch may now be used to enable the FDU-80 membrane
switches, allowing remote switch functions, or lockout the switches,
preventing remote switch functions
Switch 1 set to the On position disables the key-switch operation.
Refer to “Switch Functions” on page 15, for key-switch function
description.
2 - On = Piezo sounder enabled, Off = Piezo sounder
disabled.
CAUTION: Piezo sounder must not be disabled without prior
approval of the Local Authority Having Jurisdiction (LAHJ).
3 - On = Receive/Transmit, Off = Receive Only.
Set switch 3 to Off position for all FDU-80 Annunciators except the
last (or only) annunciator on the EIA-485 loop. Set switch 3 to On
position for the last or only annunciator on the EIA-485 loop to
allow transmission of a supervision signal and function switch
depressions back to the FACP. The last or only annunciator must be
set for Receive/Transmit (switch 3 in the On position).
A break (open circuit) in the power or EIA-485 connections creates
an FDU-80 Annunciator fault at the control panel. All annunciators
before the break will continue to display information (but the func-
tion switches on the FDU-80 will no longer operate)
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FDU-80 Annunciator SW1 DIP Switch Settings
11
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4 through 6 = Configuration for use with a particular FACP.
Switches 4, 5 and 6 are used to select the FACP (Fire Alarm Control
Panel) which is being connected to the FDU-80. Refer to the
following table for the appropriate switch settings.
7 and 8 = Future use.
Fire Alarm Control Panel SW1-4 SW1-5 SW1-6
AFC-600 (all releases)
AFP300/400 (with FACP
software Version 3.62 or higher)
OFF OFF OFF
Future Use OFF OFF ON
Future Use OFF ON OFF
Future Use OFF ON ON
Future Use ON ON OFF
Future Use ON OFF ON
Future Use ON ON OFF
Future Use ON ON ON
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FDU-80 Annunciator SW1 DIP Switch Settings
12 Document 51264 Rev A2 6/14/00 P/N 51264:A2
.
Note: SW1 DIP switch settings as illustrated in Figure 1-3 are as
follows:
1. DIP switch 1: On = Key-switch disabled (membrane function
switches are always enabled with key-switch having no affect on
their function).
2. DIP switch 2: Off = piezo sounder disabled (requires approval of
LAHJ)
3. DIP switch 3: Off = Receive Only. This setting is used for all
annunciators except the last or only FDU-80 Annunciator on the
EIA-485 line
4. DIP switches 4 through 6: Off = Configured for operation with
the AFC-600 or AFP 300/400 FACP
5. DIP switches 7 and 8: Off (these switches are not used)
Figure 1-3: DIP Switch Settings Example
switch 1 shown
in ON position switches 2 through 8
shown in Off position
dipswfdu.cdr
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FDU-80 Annunciator Typical Configuration
13
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1.4 Typical Configuration
The FDU-80 Annunciator mimics the FACP display, has full point-dis-
play capacity and requires no programming. Note that the FACP may
require programming to allow operation with the FDU-80. Refer to the
appropriate FACP manual for programming information. The FDU-80
offers multiple annunciator locations with the capability of remote
Acknowledge, Signal Silence, Drill and Reset functions.
Notes:
1. 6,000 feet (1,800 m) maximum distance between the FACP and
the first FDU-80, between each FDU-80 and from the last
FDU-80 back to the FACP.
2. Up to 32 FDU-80 Annunciators may be used on the EIA-485 cir-
cuit. Refer to the specific FACP manual to determine the
maximum current available for powering the FDU-80. If
additional annunciators are connected, the FCPS-24 may be used
to supply additional power. Power supplies used for this purpose
must have their negative terminals commoned together.
3. Between each FDU-80 annunciator are four wires - a twisted
shielded pair for data communications and a pair for 24 VDC
power. The return circuit only requires two wires for data
communication supervision, wired from the last or only annunci-
ator on the line.
Te r m i n a l M o d e
EIA-485
EIA-485
Terminal Mode EIA-485
return (2-wires)
See Note 1
(2-wires)
(2-wires)
24 VDC
24 VDC
FACP
Figure 1-4: Typical Configuration
FDU-80ms.cdr
FDU-80
FDU-80
FDU-80
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Operation Display Patterns
14 Document 51264 Rev A2 6/14/00 P/N 51264:A2
Section 2: Operation
2.1 Display Patterns
The FDU-80 Annunciator directly displays (mimics) the information on
the FACP display with the following exceptions:
• Upon Power-up, the FDU-80 may display the following message
until a valid message is received from the FACP
• If an FDU-80 Annunciator fails to receive communications from
the panel for a period of over 30 seconds, it will activate its local
sounder (if so programmed) and display the following message:
INITIALIZING...
PLEASE WAIT
COMMUNICATION FAULT!
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Operation Switch Functions
15
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2.2 Switch Functions
2.2.1 Key-switch
The key-switch is used to enable
and disable the operation of the
function switches if switch 1 on
DIP switch SW1 has been placed
in the Off position.
To enable the Acknowledge,
Silence, Drill and Reset function
switches, insert key into key-
switch located at the top right cor-
ner of the FDU-80. Make certain
the key is inserted completely
before attempting to turn it. Turn
the key clockwise until it stops.
Leave the key inserted while pressing the function switches. When
finished with the function switches, turn key-switch counterclock-
wise to disable function switches.
Note that the key-switch should normally be in the disabled position
(fully counterclockwise), with the key removed and access to the key
restricted to authorized personnel only. Do not leave the key
unattended in the FDU-80.
2.2.2 Acknowledge/Step
When the Acknowledge/Step switch is pressed and released, the
FDU-80 sends an Acknowledge command to the control panel.
Pressing the Acknowledge switch silences the local piezo sounder,
the sounders located in all other system annunciators and the
sounder located on the Fire Alarm Control Panel's main circuit
board. Only one press is necessary regardless of the number of new
alarms, troubles or supervisory signals.
An acknowledge message is also sent to the printer and the history
files in the FACP. Multiple active events (alarms, troubles, supervi-
sories) are scrolled on the display at a one second rate, but may be
held for sequential display by pressing and holding the Acknowledge
switch.
T
OR
Alm. Silenced
Key-switch (shown in Off position)
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Operation Switch Functions
16 Document 51264 Rev A2 6/14/00 P/N 51264:A2
When more than one event exists, the first press of the Acknowledge
switch silences system piezo sounders. The second press of the
switch stops the scrolling and holds the event on the display for one
minute. Subsequent pressing of the switch 'steps' through each
active event.
2.2.3 Silence
When the Silence switch is pressed and released, the FDU-80 sends
an alarm silence command to the control panel. The Silence switch
performs the same functions as the Acknowledge switch. In addition,
if an alarm exists, it turns off all silenceable NACs and causes the
FACP Alarm Silenced LED to turn on while the FDU-80 will display
a 'silenced' message. It also sends an 'Alarm Silenced' message to the
printer and the history file within the FACP. A subsequent new alarm
will resound the appropriate NACs (Notification Appliance Circuits)
and local sounders.
2.2.4 Drill: Hold 2 Sec.
When the Drill switch is pressed and held for at least two seconds
(time required to prevent accidental activations), the FDU-80 will
transmit a drill command to the control panel. This command causes
the FACP to turn on all NAC outputs and all silenceable circuits (all
control modules/NACs that are programmed silenceable). In the
event that the system was previously silenced, the drill command
will also turn off the Alarm Silenced LED. The 'Manual Evacuate'
message is shown on the FDU-80 display. The same message is sent
to the FACP display, printer and history files. The Silence switch
operates on silenceable NAC outputs only.
2.2.5 Reset
When the System Reset switch is pressed and released, the FDU-80
sends a Reset command to the control panel. This will turn off all
control modules and Notification Appliance Circuits, temporarily
turns off resettable power to 4-wire detectors, causes a 'System All
Normal' message to be displayed on the FDU-80 and sends a 'Sys-
tem Reset' message to the FACP display, printer and FACP history
files. It also turns on all system LEDs, piezo sounders and LCD dis-
play segments as long as the Reset switch is held (lamp test). Any
alarm or trouble that exists after a Reset will resound the system.
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Operation LED Indicators
17
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2.3 LED Indicators
2.3.1 AC Power
This is a green LED which illuminates if AC power is applied to the
host FACP. The green LED will turn off if AC power to the host
FACP is lost.
2.3.2 Alarm
This is a red LED that turns on steady when one or more fire alarms
occur. The Alarm LED turns off when the Reset switch is pressed.
2.3.3 Supervisory
This is a yellow LED that turns on steady when one or more supervi-
sory conditions occur, such as a sprinkler valve tamper condition. It
turns off when the Reset switch is pressed.
2.3.4 Trouble
This is a yellow LED that turns on steady when one or more trouble
conditions occur. The LED turns off when all trouble conditions are
cleared. This LED will also illuminate if the microprocessor watch-
dog circuit within the FDU-80 is activated.
2.3.5 Alarm Silenced
This is a yellow LED that turns on when the Silence switch is
pressed to turn off the Notification Appliance Circuits. The LED
turns off when the NACs turn back on or when the alarm condition is
cleared and the FACP is reset back to a normal condition.
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Mounting Annunciator Preparation
18 Document 51264 Rev A2 6/14/00 P/N 51264:A2
Section 3: Mounting
3.1 Annunciator Preparation
The FDU-80 Annunciator can be surface mounted in a three-gang elec-
trical box such as the P/N SBB-3 (2.75" depth) or semi-flush mounted in
a three-gang electrical box, P/N 10103 or equivalent, with a minimum
depth of 2 3/16". The FDU-80 Annunciator can also be mounted in three
gangable electrical switch boxes connected together. Select and remove
the appropriate knockout(s), pull the necessary wires through the knock-
outs and mount the box in or on the wall depending on the type of instal-
lation desired. Be certain that power is not applied to the wiring during
the installation procedure.
Note: To ensure static protection, all enclosures, including the FDU-80
electrical box, must be connected to earth ground! Never use the shield
for grounding purposes.
To mount the FDU-80 Annunciator in an electrical box, the trim ring
must first be removed. The trim ring is held in place by two screws
inserted through the top and bottom edge as illustrated in Figure 3-1.
Removal of the trim ring will expose a metal flange with mounting
holes. Refer to “Hardware and Backboxes” on page 19.
Ack/Step Silence Reset
Drill
Hold 2 s ec.
FIRE ALARM ANNUNCIATOR
Alm. Silenced
Supervisory
TroubleAlarmAC Power
Figure 3-1: Trim Ring Removal
Screw
Screw
FDU-80.cdr
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Mounting Annunciator Preparation
19
Document 51264 Rev A2 6/14/00 P/N 51264:A2
Ack/Step Silence Reset
Drill
Hold 2 sec.
FIRE ALARM ANNUNCIATOR
Alm . Silence dSupervisoryTroubleAlarmAC Power
Figure 3-2: Hardware and Backboxes
FDU-80 flange
FDU-80 Trim Ring
(replacement P/N 23165)
3-Gang Electrical Box P/N 10103
(semi-flush mount)
3-Gang Electrical Box P/N SBB-3
(surface mount)
FDU80flg.cdr
LCD2X20tr.cdr
10103box.cdr
Sbb-3.cdr
Three Ganged Electrical Boxes
3gngbox.cdr
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Mounting Semi-flush Mount Backbox
20 Document 51264 Rev A2 6/14/00 P/N 51264:A2
3.2 Semi-flush Mount Backbox
Mounting in SBB-3 Three Gang Electrical Box
Remove the plug-in terminal blocks from the FDU-80 circuit board.
Connect the EIA-485 and power wiring into the terminal block positions
illustrated in Figure 1-2 on page 9, Figure 4-1 on page 23 and Figure 4-
2 on page 24. Plug the terminal blocks back into the P2 and P1 connec-
tors on the back of the annunciator. Set DIP switch SW1 for the desired
options. Refer to Figure 1-3 on page 12.
Carefully insert the FDU-80 into the three-gang electrical box P/N:
10103 or three electrical boxes ganged together and attach it using the
four mounting holes on the FDU-80 flange and the four screws provided
for this purpose. Replace the trim ring and secure with the two screws
which were previously loosened. Adjust the plastic trim ring to the sur-
face of the wall before tightening the screws. Do not overtighten.
Ack/Step Silence Reset
Drill
Hold 2 sec.
FIRE ALARM ANNUNCIATOR
A lm . Sile n ce dSupervisoryTr ou bl eAlarmAC Power
Figure 3-3: Mounting in SBB-3 Box FDU-80 flange
3-gang electrical box P/N 10103
FDU-80 Three-gang electrical box P/N 10103
flange
EIA-485 and power wiring
FDU80flg.cdr
10103box.cdr
Lcd40box.cdr
The FDU-80 can be semi-flush mounted
in a three-gang electrical box,
P/N 10103 or equivalent, with a minimum
depth of 2 3/16". The FDU-80 can also be
mounted in three gangable electrical
switch boxes connected together as illus-
trated in Figure 3-4 on page 21.
mounting holes (4)
Important! When installing conduit in a
3-gang electrical box, use knockouts on
the top or bottom. Installing conduit on
the sides or back of some boxes may
interfere with mounting of the FDU-80 in
the box.
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