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Honeywell FIRE-LITE ALARMS MMF-302A Installation And Maintenance Instructions page 2

Interface module

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FIGURE 3. INTERFACE TWO-WIRE CONVENTIONAL DETECTORS, NFPA CLASS B
POWER TO THE INTERFACE
MODULE MUST BE EXTERNALLY
SWITCED TO RESET THE
DETECTORS. A RELAY CONTROL
MODULE CAN BE USED TO SWITCH
POWER FROM A STANDARD POWER
SUPPLY (SEE FIGURE 5).
LISTED BATTERY-BACKUP SWITCHED
REGUALTED DC POWER SUPPLY
3.9K EOL
RESISTOR
(INCLUDED)
A2143-10
DO NOT LOOP WIRE UNDER TERMINALS. BREAK ALL WIRE RUN TO PROVIDE SUPERVISION OF CONNECTIONS. DETECTORS MUST
BE UL LISTED COMPATIBLE WITH MODULE. INSTALL DETECTORS PER MANUFACTURER'S INSTALLATION INSTRUCTIONS
FIGURE 4. INTERFACE TWO-WIRE CONVENTIONAL DETECTORS, NFPA CLASS A
POWER TO THE INTERFACE
MODULE MUST BE
EXTERNALLY SWITCED TO
RESET THE DETECTORS. A
RELAY CONTROL MODULE CAN
BE USED TO SWITCH POWER
FROM A STANDARD POWER
SUPPLY (SEE FIGURE 5).
LISTED
BATTERY-BACKUP
SWITCHED REGUALTED
DC POWER SUPPLY
REQUIRED AT TERMINALS
8 & 9 (INCLUDED) A2143-10
DO NOT LOOP WIRE UNDER TERMINALS. BREAK ALL WIRE RUN TO PROVIDE SUPERVISION OF CONNECTIONS. DETECTORS
MUST BE UL LISTED COMPATIBLE WITH MODULE. INSTALL DETECTORS PER MANUFACTURER'S INSTALLATION INSTRUCTIONS
FIGURE 5. RELAY CONTROL MODULE USED TO DISCONNECT A POWER SUPPLY
TO NEXT
DEVICE
POWER LIMITED DC
POWER SUPPLY,
LISTED FOR FIRE
PROTECTION WITH
BATTERY BACKUP
Fire•Lite® Alarms is a registered trademark of Honeywell International, Inc.
OPTIONAL BRANCH CIRCUIT
TO NEXT INTERFACE
MODULE. MODULE
SUPERVISES SUPPLY
VOLTAGE AND
DETECTOR LOOP.
(–)
(+)
OPTIONAL BRANCH CIRCUIT
TO NEXT INTERFACE MODULE.
MODULE SUPERVISES SUPPLY
VOLTAGE AND
DETECTOR LOOP.
(–)
(+)
3.9K EOL RESISTOR
+
+
RELAY CONTROL
MODULE
TO NEXT
DEVICE
INTERFACE
MODULE
DO NOT MIX FIRE ALARM INITIATING, SUPERVISORY,
OR SECURITY DEVICES ON THE SAME MODULE.
*NOTE: ANY FAULT IN THE POWER SUPPLY IS LIMITED TO THAT
ZONE AND DOES NOT RESULT IN A FAULT IN A SEPARATE ZONE.
TO NEXT
DEVICE
INTERFACE
MODULE
DO NOT MIX FIRE ALARM INITIATING, SUPERVISORY, OR SECURITY
DEVICES ON THE SAME MODULE.
*NOTE: ANY FAULT IN THE POWER SUPPLY IS LIMITED TO THAT
ZONE AND DOES NOT RESULT IN A FAULT IN A SEPARATE ZONE.
CONNECT MODULES TO LISTED COMPATIBLE
CONTROL PANELS ONLY.
*NOTE: ANY FAULT IN THE POWER SUPPLY IS
LIMITED TO THAT ZONE AND DOES NOT
RESULT IN A FAULT IN A SEPARATE ZONE.
2
FROM
PANEL OR
PREVIOUS
DEVICE
SIGNAL LINE CIRCUIT (SLC)
32 VDC MAX.
TWISTED PAIR
IS RECOMMENDED
CONNECT MODULES TO
LISTED COMPATIBLE
CONTROL PANELS ONLY.
TERMINAL WIRING MUST
BE POWER LIMITED.
FROM
PANEL OR
PREVIOUS
DEVICE
SIGNAL LINE CIRCUIT (SLC)
32 VDC MAX.
TWISTED PAIR
IS RECOMMENDED
CONNECT MODULES TO
LISTED COMPATIBLE
CONTROL PANELS ONLY.
TERMINAL WIRING MUST
BE POWER LIMITED.
FROM
PANEL OR
PREVIOUS
DEVICE
SIGNAL LINE CIRCUIT (SLC)
32 VDC MAX.
TWISTED PAIR
IS RECOMMENDED
©2022 Fire•Lite. 7/1/2022
C1061-00
C1062-00
C0945-00
I56-3219-002

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