2864 Eagandale Blvd - Fire Control Instruments Manual0
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FIRE CONTROL
INSTRUMENTS, INC.
DESCRIPTION
The FC-72 Series Fire Alarm Control is an attrac-
tive, versatile, modular system. It meets the re-
qairements set forth by NFPA standards 71, 72-A,
B,C and D for Central Statioq Local, Auxiliary and
Remote Station Proprietary Signaling Sys[ems. It
conforms to UL Standard 864 and all its power
limited and transient immunity requirements.
The wntemporary appearance of [he heavy duty
16 gauge cold-rolled steel enclosure finished in
textured beige (Federal standard 595 No.23531) is
further enhanced by the back lighted Lexang
panels displaying Yhe s[atus of vital functions. The
surface mounted enclosure, with its slim ap-
pearance (less than 4" in depth) is designed to
blend with any environment. Options include red
finish and trim ring for semi-flush mounting.
The many standazd feamres of the FG72 Series
provide a cost effective approach to modern sys-
tems design, with integral features [hat allow a new
degree of fleaibility in one enclosure. Many funo-
tions including power supply, battery charger, in-
itiating circuits, full supervision, Class "A" and
Class "B" operation, plus other features, are in-
cluded in the basic control.
The modular concept offers total freedom of sys-
tems configuration, ease of expansion, and com-
plete interchangeability of all standard modules.
Field expansion of an existing system can easily be
accomplished by the addition of plug-in modules
such as initiating circui[s, zone coding, signal cir-
cuit time limi[ cutoff, sprinkler supervision,
verifieation and additional indicating appliance
cucuits.
All components of the system are of high quality
and are selected to operate over a wide range of
tolerances. Relays are protec[ed with dust cover
shields and plug-in circuit boards have gold plated
contacls to ensure against oxidation and corrosion.
Complete supervision of vital components includ-
ing relay coils, LED's, plug-in modules, all func-
tional switches, and standby batteries is provided.
All external wiring is supervised for opens, shor[s,
and ground faults. The trouble silence switch has
"ringback" capability in [he control panel as well as
on the supervised remote trouble annunciator.
FEATURES
• Rugged reliability
• Plug-in modules
• Simple field expansion
• Interchangeable modules
• Field programmable configuration
• Unsurpassed zone capacity
• Versatile performance
• Factory assem6led
• Factory tested
269 GROVE ST. NEWTON, MA. USA 02166-2295 TEL: (617)965-2010 TSLEX: 04-8212 FAX: (617)965-0659
BULLETIN 72-100/0789 UL
FC-72 SERIES
FIRE ALARM CONTROL SYSTEMS
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Fui fJ T 7 T LI
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111 9020-0002 ?11
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NOTE: Drawings
are notto scale.
? I 1.32 Zone
g or
T 3372 ZOna
Capacity n Capacity
T
n 112Zone I
? 1-42one N Capaciry
? Capacity ?
1?
F+-1s.oo'+? •.oo F?21.oo--?i aoo
Cabinet Sizes
30.00
STANDBY POWER REQUIRED
4.00
MODEL DESCRIPTION SUPERVISORY
CURRENT ALARM
CURRENT BULLETIN
FC-72-1 1 Zone Control Panel (1) .063A .370A 72-100
ADAM-E1 Auxiliary D.C. Actuation Module .013 .073 72-265
ADAM-6-2 Dual Aux. D.C. Actuation Module .026 .133 72-265
APS-6 Auxiliary Power Supply, 24VDC/4A .020 - - - 72-141
BCM-6 Signal Circuit Module (2) (2) 72-220
BMC-6 Master Coder Module . (2) (2) 72-220
BMFC-6 Basic Master Fire Card (t) (1) 72-120
CCM-6 Common Coder Module (2) (2) 72-225
DMM ?iode Matrix Module --- --- 72-650
RDF Releasing Device Interface .002 .047 72-240
PNIS Zone Coder Module .012 .150 72-230
PS-6 Power Supply, 24VDC/4A -- --- 72-140
RB-6 Auxiliary Relay Module -- .070(4) 72-605
RRT Remote Reset Capability (3) (3) 72-120
RTI Remote Trouble Indicator .002 .002 72-500
RZA Remote Zone Annunciator (LED) --- --- 72-500
SRB-6 Supervised Auxiliary Relay Module .019 .079(4) 72-605
SSM Sprinkler Supervisory Module .027 .069(4) 72-200
TBZ Trouble By Zone Module .003 .021/Zone 72-620
TDS438 Time Delay-Switch - - - .001 72-700
VZM Verification Zone Module .010 .175 72-190
ZDM Zone Detector Module (ea. additional zone) .006 .163 72-1 SO
ZDM-D Dual-Density Zone Detector Module .018 .298(4) 72-182
ZMC-6 Zone Mother Card --- --- 72-160
NOTES:
(1) A Basic FC-72 system contains one (1) each of the BMFC-6, PS-6, ZDM, AND BCM-6, BMC-6, or
CCM-6.
(2) Included in BMFC-6 and/or ADAM-6 power requirements shown.
(3) Consult factory.
(4) With both circuits in alarm.
(5) Add 4" to height and width for trim dimensions of flush mounted enciosures.
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FIRE CONTROL
INSTRUMENTS, INC.
BULLETIN 72-145/1088
DRBC
DUAL RATE BATTERY
CHARGER MODULE
FM
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DESCRIPTION
The DRBC Dual Rate Battery Chazger Module is
a solid-state, fully automatic device that will
provide sufficient curren[ to maintain compatible
rechazgeable ba[teries at full charge regazdless of
vaziations in line voltage or load.
'Itvo charging modes aze provided: FLOAT, which
maintains a chazged battery in fully chazged condi-
tion and HIGH RATE, which permits a dis-
charged battery to be chazged rapidly. The DRBC
senses the battery conditionby monitoring Ihe cur-
rent drawn by the battery at a par[iculaz cell volt-
age. If [hc battery attempts to draw more [han a
specified amount of current from the chazger, i[
will au[omatically switch to the HIGH RATE
mode and maintain a high rate of chazge current
until the batteries requirements are me[. The
DRBC will then automatically switch to [he
FLOAT mode.
The DRBC requires FC-72 system cabinet space
equivalent to that of four zones, and will provide
system compatible battery supervision, high rate
indication, remote trouble indications and in[er-
face to [he FC-72 system trouble buss. Overcur-
rent and reverse polari[y protec[ion aze provided
as well as intemal fuse protection.
APPROVALS
UL: 51869
CSFM: 7300-694:1
FM: 1KOA8.AY
NYC BS&A: 960-81-SA
FEATURES
• 'Irvo Charging Modes
• Battery Supervision
• Remate Trouble Indicator (Optional)
• Fully Automatic
• Solid State Design
• D.C. Voltage Regulation
• Electronic Current Limiting
SPECIFICATION5
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INPUT VOLTAGE: 120 VAC + 10%, -15%, 60 Hz
INP[Tl' CURRENT- 2.5 Amperes maac.
OUTPiTf VOLTAGE: 24 VDC nominal'"
OUTPUT CURRENT: 5 Ampere nominal
CHARGE RA1'E: 4.5 Ampere Hours per hour (dependent upon battery state of charge)
VOLTAGE STABILITY: ± 1% wi[h line vaziation
F[JNCTIONAL SWITCH: Manual high-rate
INDICATORS: AC ON: green LED
TROUBLE: yellow LED
HIGH RATE: red LED
DC Ammeter: Indicates battery charging current
DC Voltmeter: Indicates battery terminal voltage
NOT'E: Internal adjustmen[s can e#end [he aominal output voltage to accomodate any common 24 VDC
battery type.
269 GROVE ST, NEWTON, MA. USA 02166-2295 TEL: (617)965-2010 TELEX: 94-8212 FAX: (617) 965-0659
FIRE CONTROL INSTRUMENTS, INC.
vELLOw
ORhNGE
72-400-1001 9A FUSE '
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AC
HIGH RqiE POWER
INFUiS
RT-24 O (NOTE i]
TRBL
I I VOLT O AMP PI
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HEthV
HIGH qqTE D
- NC C NO R W G
1 2 3 a 5 B ) B 9 .
29V l
BATTERV 1
OOTPOT ?
(NOTE 3)
1FOUBLE TAOUBLE Ril
BU55 DRY OUrCUi
OUTPUi CONTACTS (NOTE 51
(NOTE 37 (NOTE 269 GROVE ST., NEWTON, MA. USA 02166-2295 TEL: (617)965-2010 TELEX: 94-8212 FAX: (617) 965-0659
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° 0 FIRE CONTROL
0 INSTRUMENTS, INC.
DESCRIPTION
The Model APS-6 is a 24 VDC, 4 Amp. auxiliary
power supply which may be used to provide the
FC-72 system with additional power when the
rated capacity of the main power supply is ex-
ceeded. The APS-6 requires FG72 cabinet space
equivalent to two zones.
The APS-6 has its own transfer relay which auto-
maticallytransfers the output to the system standby
batteries and initiates a trouble signal if either the
AC input or the 24VDC output has been inter-
rupted, and is inherently power-limited to
withstand any ovcrload conditioa (Per UL Stand-
ard 864)
SPE
PowerInput:
Output Voltage:
Mvc. DC Load:
Ripple @ 4 Amp.:
Line Regulation:
Load Regulation:
CIFICATIONS
120 VAC, 60 Hz, 2 Amp.
24 VDC Nominal
4 Amp.
< 1.2V peak to peak
102-132 VAC: < 3% change
in output voltage
< 10% change in output
voltage 0-4 Amp.
Fuse Size: 6 Amp., 7AG style
(Protects batteries)
<.C.
POWEF
INPIITS
120VAG
TRANBfEH FELRY
CONTHOL OIITPUT
TIiBL. WTPUT
BGTTEfiY 1+1
BATTEHY 1-1
carnmoH t-i
S. Ol?PUT
BULLETIN 72-141/0789 UL
APS-6
AUXILIARY POWER SUPPLY
4 AMP/24 VDC F M
FEATURES
• 24 VDC, 4 Ampere continuous output
• Inherently power-limited design
• Automatic transfer to system standby
batteries upon loss of power
• Yellow TROUBLE indicator
• Green AC POWER indicator
NOTES:
7. A.C. Term. -- AC power inputs, connect to 120 VAC, 2A.
Example: FC-72 AC terminal block.
2. Term. 1-- Transfer relay control output. Connect to PS-6
Transfer Relay Control Output.
3. Term. 2-- Trouble output. Connect to corresponding
trouble input.
Example: BMFC Term. 23, TBZ Term. 7, 2, 3, 4.
4. Term. 3- Battery (+). Connect to 24V stand6y battery
(+). Example: BMFC Term 43.
5. 7erm. 4- Batiery (-). Connect to 24V standby battery
Example: BMFC Term. 44.
6. Term. 5- Common (-). Connect to system common. Ex-
ample: ADAM Term. 10, BMFC Term. 30.
7. Term. 6- B+ Output. Connect to 24 VDC Power input ter-
minal. Example: ADAM Term. 11,
8. Kt - Transfer relay, P/N 26592. Transfers the stand6y baU
teries to the B+ ouiput when there is na/low AC power.
9. TROUBLE LED- Trouhle indicator. Lights when K1 trans-
ters to standby batteries.
70. POWER LED - Power On indicator, green. Lights when
power supply output is available.
11. BATT. FUSE - Battery fuse, 6A, 7AG. Protects battery.
269 GROVE ST. NEWTON, MA. USA 02166-2295 TEL: (617)965-2010 TELEX: 04-8212 FAX: (617)965-0659
0
EULLETIN 72-180/0890
° 0 FIRE CONTROL FC" ZDM ES
INSTRUMENTS, INC. ZoNE DETECTOR
MODULE pM
FUNCTION
The ZDM Zone Detection Module mounts in
thc BMFC and ZMC modules in the FC-72 con-
troL It accepts one Style D(class "A") or Sryle B
(class "B") initiating circuit and expands the zone
capacity of the system. It pcovides supervised an-
nunciator ou[put for both LED and incandescent
lamp indicators, and also furnishes a set of Form
"C" dry, alarm actualcd contacts. With Style D
signaling, depending on quantities of detectors in-
volved, a modcl VEOL end of line dcvice may be
rcquired.
The module will accommodate Model SBS, 301,
CPD and PSD series two-wire smoke detectors.
The nnmber of two-wire detectors which can be
accommodated per zone varies with the wntrol
panel. Consult the con[rol panel instrnction
manttal to determine Uie capacity. Do not mix
different models of dctectors on Che same dircuit.
SPECIFICATIONS
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Supe current .006 Amp.
Alarm current .035 Amp.
Max. line res.
0
TYPICAL
STYLE B WIRING
.065 Amp. w/LED remote annunc.
.120 Amp. w/#1829 incandcscent
lamp annunciator
.163 Amp. w/#1820 incandescent
lamp annunciator
100 ohms
26 VOC AT 2A FESISTIVE
?
pE? TYPICAL
N-FICFS STYLE D WIRING
FEATURES
• Accepts either Style D(Class "A") or
Style B (Class "B") initiating circuits
• 5upervised red alarm indicator
• Yellow zone trouble indicator
• SPDT zone alarm dry contacts
• Coded or non-coded operation
• Will operate U.L. Listed FCI Model
CPD, PSD, 301 or 5I3S two-wire
smoke detectors
• 1V4ay be used with waterflow
detection and supervisory devices
• "SIGNAL SILENCE" switch with
"subsequent alarm" feature
• Supervised annunciator output for
LED and incandescent lamp
indicators (#1820 or 18291amps)
269 GROVE ST. NEWTON, MA. USA 02166-2295 TEL:(617) 965-2010 TELEX: 94-8212 FAX: (617) 965-0659
11 9020-0008 JI
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NIP
FIRE CONTROL
INSTRUMENTS, INC.
DESCRIPTION
The ZDM-D is a Dual Density Zone Module which
contains two Class "B", or one Class "A" and one
Class "B" initiating circuit. Each Class "B" circuit
will accommodate up to 25 FCI model PSD, CPD,
or SBS-1101 detectors and up to 20 SSS-1201/T
units. Each Class "A" cucuit will accommodate up
to 25 Model CPD, 20 Model PSD/ SBS-1101, or 15
Model SBS-1201/1201T. Mixing of different smoke
detector models on the same circuit is not recom-
mended.
The ZDM-D mounts in the same panel space as
the ZDM module and provides output for a super-
vised remote LED or incandescent lamp annun-
ciator using #1820 or 18291amps.
SPECIFICATIONS
Supervisory Current:
Alarm Current
Max. line resistance:
0.018 Amp/module
0.055 Amp/?one with
LED annunciator
O.llO Amp/zone with
#18291amp annunciator
0.149 Amp/zone with
#18201amp annunciator
100 ohms/zone
(mus[ use VEOL for
class "A")
Max. output current: 0.5 Amp/zone
(If [his is exceeded use ZDM, SRB-6 or RB-6
to handle additional power requiremenls)
TERMINALS
Terminal #33 ALM A Output
'Ierminal #42 ALM B Output
BULLETIN 72-182/0589 U?
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ZDM-D
DUAL DENSITY
ZONE DETECI'ION MODULE rM
FEATURES
•'l?vo Class "B" or one Class "A" and one
Class "B" initiating circuit.
• Signal Silence switch for each zone
allows for Subsequent Alarm feature.
• Supervised red alarm indicator per
zone.
• Yellow trouble indicator per zone.
• Output for supervised remote LED or
incandescent lamp annunciator.
• Coded or non-coded operation.
• May be used with waterflow devices.
• Accepts FCI Model PSD, CPD and SBS
smoke detectors.
J-3 Jumper Output General Alarm Output -
(Common to both zones)
(J-3 buss or other jumper selected buss.)
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INSTALLATION INSTAUC'I'IONS
When installed in:
Zone 1(BMFC-6) Cut: JRA, CR47; Install J31, J33
Zone 2(BMFC-6) Cut JRB, CR48; Install J32, J34
Zone 3, 5, 7, eta (ZMC) Cut: JRA, CR20; Install 711A, J33
Zone 4, 6, 8, etc.(ZMC) CuL JRB, CR21; Install J1113, J34
269 GROVE ST. NEWTON, MA. USA 02166-2295 TEL: (617)965-2010 TELEX: 04-8212 FAX: (617)965-0659
9020-0216
FIRE CONTROL INSTRUMENTS, INC.
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269 GROVE ST. NEWTON, MA. USA 02166-2295 TEL: (617)965-2010 TELEX: 04-8212 FAX: (617)965-0659
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MODULE
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E INSTRUMENTS, INC.
SULLETIN 72-280/0789 0?,
RDF
RELEASING DEVICE INTERFACE
DESCRIPTION
u
The RDF Releasing Device Interface Module
provides a complete, simple-to-wire, single hazard
1 Ampere, 24 VDC releasing outpu[ from an FC-
72 Control Panel to a Skinner Solenoid Valve
#LU2LBX25. In addition, an AGENT ABORT
switch is provided which may be used to allow the
system to be serviced and/or tested without trip-
ping the celeasing device. The releasing device
circuit is supervised for open circuits and ground
faults.
An isolated amber TROUBLE LED is included to
quickly identify RDF service needs separate from
the FG72 conCrol wlule simultaneously activating
the FC-72 system trouble circuit. The module also
contains a set of dry, Form "C" SPDT contacts
which transfer upon release.
Multiple RDF panels maybe used to provide more
than one releasing circuit within a common
enclosure. (Add one APS-6 for each additional
RDF Module).
FEATURES
Each RDF Module ocwpies the equivalen[ of two
zone spaces in [he FC-72 Control.
SPECIFICATIONS
Dimensions: 51/2"W x 6"H
Operating Voltage: 24 VDC
Operating Current
(20A VDC Min.)
• Compatiblewith Skinner Solenoid
Valve #LV2LBX25
• Powered from FC-72 Control Panel
• AGENT ABORT Switch
• Form "C" Dry Contacts (Transfer on
Release)
o Amber TROUBLE LED
• Supervised Transfer Relay
Standby: 2 mA DC
Alarm: 47 mA DC*
* Does not include solenoid
•
269 GROVE ST. NEWTON, MA. USA 02166-2295 TEL: (617)965-2010 TELEX: 04-8212 FAX: (617)965-0659
'I 9020-0101 II
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FIRE CONTROL INSTRUMENTS, Inc.
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1) P1- Connect to corresponding poin[s within the control panel.
2) Releasing device installation - remove 220 Ohm, 5 Wa[t resistor from terminals 4 and S. Connect valve as
shown. Field wiring must not exceed 3.5 ohms.
3) Do Not Exceed 1 Amp from f.erminals 4 and 5.
4) Do Not Connect 220 Ohm, 5 Watt resistor to field devices. Leave it in the bo[tom of the cabinet for
trouble shoo[ing.
5) Relay Contacts:
26 VDC SA (Resistive)
6) J3 - Cut for supervision of the relay I{2, P/N 26592.
7) J4 - Cut when control of the dry contacts through Sl is desired.
8) 76 - Cut to disable the latch function of ehe relay.
9) 4 Amp. fuse - supervisory.
10) 4 Denotes supervised wiring.
CALJTION: Read all notes and instructions prior to making any connections.
269 GROVE ST. NEWTON, MA. USA 02166-2295 TEL: (617)965-2010 TELEX: 04-8212 FAX: (617)965-0659
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LCR12V24P
¦ Specification
Nominai Vottage 12V
Naninal Capaciry 24Ah
(20hour ratel
7omi Height 4.92 inches 1125mm)
pnrensions Length 6.89 inches (175mm)
Width 6.50 inches (165mm)
Weight Approz. 19116s (8.7kg)
¦ Characteristics
20 hour rate 1 12 A) 24 Ah
10 hour rate 1 22 q) 22 Ah
Capwily 5 haur rete ( 3.8 A) 19 Ah
t hour rete (14.0 A) . 14 Ah
1.5 hour disthar9e to 10.5V 9.8A
Internet Resistanoe Full chargeE Baaery (68'F,20'C) 15m 4
109'F( 401C) 705%
Capxityaffected 68'Fl ZO'CI 700%
Dy Temperature 32'F ( o'C) 85%
. -4'P 60q(,
Capatity aiter 3 month storage 91%
SeH•Discharge
'
' CaPacity atcer 6 moMh stordge 82%
F, 20
CI
168 Caparity atter 12 month storage 64%
M5 Boh and Nut Type
Tmninall Note:Comes with AMP fast-on adaptor
kit.
Cvne I ^'i?l Chargirg Current less than 9.5A
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Charge Voltage 14.6-15.OV112V 68
F120
CI
(Constani
voltape) Initial Char9ing Current less than 9.5A
Float
Volta9e 73.6-13.8V/12Y 68'F120'C1
¦ Discharging Current & Discharge Duration Time
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Discharge current (A)
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Note: High rete capability. Ezcellent for UPS and
wheel chairs.
Unit: inch(mm)
Discharge curves (68'F, 20'C)
140
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Irt4erface Module
The Alarmline Interface Module is a solid state control device
that enables the Sensor Cable, which is analog in nature, to
operate in conjundion with the Fenwal 3240 Fire Control
Panel or other FM Approved control units. FIRE and FAULT
LED indica[ors as well as a FIRE and FAULT test switch are
located on the module. The module is powered by and re-
ports via the hro-wire connection of a standard detection
circuit.
The Interface Module continuously monitors the Sensor
Cable for overheat as well as open or short circuR lault con-
ditions. These conditions are displayed on the modute by two
lED indicators: FIRE - red and FAULT - amber.
System Test
The module can be tested by means of Rs momentary action
test switch located on the faceplate.
IMPORTANT NOTE: Before testing, care should be taken
to disarm any extinguishing, alarm or other auxiliary tunc-
tions connecied to the InteAace Module and the Fire Conirol
Panel since Fire and Fault tesi conditions are signaled to the
Control Panel as genuine alarm or tault conditions.
To test tor a fire alarre indicatioq hold the switch in the up
position until the red FIRE LED is fit. To test for a(ault con-
dition indication hold the switch in the down posifion until the
amber FAULT LED begins to flash. It may be necessary to
hofd the test switch for up to five seconds to ini[iate either
condition. Simply reset the alarm reset switch on the as-
sociated control panel to clear either condition.
ALARMLINE SENSOR Ci4BLE FIELD TESTING
METHOD #1
Simply use a hot air gun to increase the sensor cable temp-
erature to ihe required alarm point (determined 6y Alarmline
nomogram). The gun should be moved back and forth to
heat up two to three feet of Alarmline cable. Precaution must
be taken not to exceed the 390°F destruction temperature of
Alarmline sensor. See Heat Pad information, page 5.
METHOD #2
At the end of each zone of Alarmline coil up approximately
the last 25 teet of sensor in a junction box which is accessible
from ground level. (In case of hazardous location this section
should be terminated outside the hazardous area). This can
6e used in conjunction with an oven (supplied by Fenwal) to
verify ditterent lengths of sensor alarming at different temper-
atures as indicated by the appropriate nomogram.
NOTE: Hazardous Locations
To employ ei7her method 1 or 2 in a hazardous foca-
tion requires extendrng a portion of the sensor out-
side of ffie hazard to a safe area for the term of tbe
[esf onty.
ALARMLINE INTERFACE MODULE
TECHNICAL SPECIFICATION
Enclosure for Remote Grey Polycarbonate,
Mounting 65/e°H x 4l/e"N/ x 41/2"D
Weight 1.21bs. (without module)
Supplyvoltage +8to+30VDC
Current Consumption 60 to 180 microamperes
Standby depending upon alarm trip
setting
Fire alarm -15 to 70 milliamperes,
preset by means of internal
resistor Fault alarm - 180 microamperes
maximum
Noise Performance Will withstand 5% rms 60Hz
supply voltage noise and 1 V rms
60Hz sensor noise with negligible
pertormance change
Indicators Fire - Panel mounted
continuous RED LED Terminals
for connection of remote LED
Fault - Panel mounted
flashing YELLOW LED
Controls Test Switch - Fault and Fire
positions verify operation in both
modes
Fire Trip Seiector - 12 position
pre-calibrated switch internally
mounted
Operating
Temperature Range -15°F to + 165°F
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GENERAL DESCRIPTION
Fenwal Alarmline Oetection System permits eariy detection
of tire or overheating. It is especially suited for confined
areas or harsh environments where adverse ambient condi-
tions cause other detedion devices to be unreliable or dif-
ficult to use. The system consists of three components: a
Sensor Ca61e, an Interface Module and an FM Approved Fire
Control Panel.
System Operation
The Sensor Cable consists of four copper conductors, each
covered with a negative temperature coefficient material. An
increase in temperature bwers the resistance of the Tour
conductors insulation. 7his change is monitored by the Inter-
tace Module which activates an alarm signal at the predeter-
mined temperature level.
The temperature at which the system will alarm is deter-
mined by the setting of a 72-position alarm trip switch on the
Interface Module. The appropriate setpoint of this switch is
established by the use of a nomogram incorporating two
known factors:
1. Maximum ambient temperature of the alarm zone
2. Length ofthe Sensorto be used
The integrating (averaging) ettect of the Sensor Cable en-
ables it to detect a localized hot spot or a low level temper-
ature increase over its total lenpth. A special feature of the
Fenwal Alarmline Sensor Cable is that it self restores when
temperature drops below the set poini, provided it has not
been heated to its destructive temperature point of 390°F. At
this temperature the sensor will lock permanently in the
alarm state.
SYSTEM COMPONENTS
Sensor Cable
The basis of every Fenwal Alarmline Detector System is a
small diameter cable capable of detecting changes in temp-
erature in localized areas Or over its entire length. The Sen-
sor Cable consists of four 26 AWG copper conductors, each
color-coded in an insulated sheath of negative temperature
coefficient polymer. The conductors are twisted together as
iwisted pairs at 30 turns per foot and protected by a flame-re-
tardant outer extrusion (see Figure 1). The color-coding of
the four inner conductors is repetitively marked on the outer
coating as an aid in insfallalion. NECAm,E rrMPEw,,uAE
SENEOP CONUUCTOR
O 1MNE
CABLESENSOR
Figure 1
Standard Sensor Cable
At one end of the Sensor Cable the conduciors are joined in
pairs and hermetically sealed to form two pairs, one out and
one return. (see Figure 2). This hermetically sealed end be-
comes the outer end of the detection zone.
At the other end of the Sensor Cable, the four inner conduc-
tors connect to the Inter(ace Module. This connection can be
either direct, or via a junction box with standard copper wire.
A High Resisiance Sensor is available if an application re-
quires a longer length or higher alarm or ambient operating
temperature than achievable with the use of the standard
sensor.
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CONTPDL
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Outer End of Sensor Begianing of Sensor Conductors
Conductors from Twin loops Wired to Intertace Module
Figure 2
SWndard Sensor Cable Conductors
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ncMVea.",?=E? CONTPOL
5Ex5?xG UNrt
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Figure 2a
High Resislance
Sensor Cable Conductors
Sensor Cable Identiflcation Chart
PM 73-117068-004 Standard Sensor Cable
Red ou[er coating of PVC
PM 73-177068-007 Nylon Coated Standard Sensor
Black rrylon outer coating over red PVC
P/N 73-717068-010 Bronze Braided Standard Sensor
Phosphor bronze braid over red PVC
P/N 73-117068-013 High Resistance Sensor
Blue outer coating of PVC
P/N 73-117068-016 Nylon Coated High Resistance Sensor
Black nylon outer coating over blue PVC
P/N 73-117068-079 Bronze Braided High Resistance Senso
Phosphor bronze braid over blue PVC
NOTE: All sensor cable is repetitively marked on the PVC
or nylon coating every 3 feet with Conductor Coloi
Code and a Type 8 or Type C indication.
Type 8 = Standard Sensor
Type C= High Resistance Sensor
Sensor Cable Specifications
Nylon Bronze
Standard Coated Braided
Extemal Diameter .114 in. .142 in. .156 in.
Weightper100feei 11b. 1.41bs. 2.81bs.
Tensile Strength 24.81bs. 24.8 Ibs. 248 Ibs.
Standard Available Length 500 feet
Conductor Insulation Colors Red-Whi[e-Orange-Blue
ConductorDiameter .0181 in.
Twist Tums of Inner Conductors 30 per ft.
Conductor Material 26 AWG Solid Copper
Dielectric Material Specially Doped Polymer
Standard Outer Sheath Material High Temperature PVC
PVC Sheath Color - Standard Red
- High Resisiance Blue
Voltage Proot Between PVC t OKV
Coating and a Conductor
Service Life Up to 212°F Unlimited
Hours
?n 260°F = 250 hrs.
C 300°F = 100 hrs.
' @ 350°F x 25 hrs.
Self Restores up to 390°F
Max. spacing between parallel
runs 30 ft.