1 2 5 3 0 / 1 2 5 4 0 O W N E R ' S M A N U A L
P/N 447203 Issue I
V-19
CONFIGURATION OF 9157 MONITOR MODULE
TYPICAL WIRING DIAGRAM FOR CONVENTIONAL
“4-WIRE” (SEPARATELY POWERED) SMOKE DETECTORS STYLE “B” (“2-WIRE”)
Notes:
1.
This wiring diagram shows only general information about this device. For specific wiring and
installation information, read the instructions provided with the device.
2.
Do not mix Fire & Supervisory (Tamper) Devices on the same initiating device circuit.
3.
Initiating Circuit Requirements:
Maximum wire length:
2500 Ft.
Maximum wire resistance:
20 Ohms
Maximum alarm current:
230uA
4.
Do not put “2-Wire” (Zone Powered) Smoke Detectors on Monitor Module Initiating loop.
5.
See Article 370 of the N.E.C. for proper box depth.
6.
For power supply supervision use an E.O.L. relay as shown (relay contact shown with power
applied).
7.
From the control unit resettable auxiliary power supply output or an external 24VDC regulated
power supply that must be power limited and listed for Fire Protective Signaling Use.
Faraday 9157 Monitor Module:
(System Sensor M500MB)
47K EOL Resistor
Supplied with unit
From Addressable
Device Circuit
To Next
Addressable
Device
Supervised
Power limited
24VDC
Power
Supply
(See Note 7)
Faraday PM6849 EOL relay
(System Sensor A77-716B)
See NFPA 72 for maximum quantity
of devices per initiating device circuit.
Содержание 12530-120
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Страница 111: ...447138 ISSUE I REV A PAGE 2 OF 2 SAMPLE LAYOUT FOR RELAY UNITS SAMPLE LAYOUT FOR ANNUNCIATOR UNITS ...