DOC-FW851-UM-R1.1
INSTALLATION MANUAL
© 2016. MAPLE ARMOR FIRE ALARM DEVICE CO., LTD.
8866, boulevard du Quartier, Brossard, Quebec, Canada, J4Y 0R2
All rights reserved. www.maplearmor.com
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FW851 ISOLATOR MODULE
DESCRIPTION
The FW851 isolator module isolates the short point
on the signaling line circuit (SLC). The internal relay
will be triggered to cut down the line power where
the short trouble is detected. The device LED will
indicate the trouble condition by yellow steady on. A
return to normal condition will cause the internal
relay to normal position to restore the line power and
the device LED indicator will return to the idle
condition. The FW851 does not occupy an address on
the Fire Alarm Control Panel’s SLC, so no address
programming is required. The FW851 is a UL listed
product according to UL864 and ULC-S527 for Fire
Protective Signaling Systems for indoor use.
ATTENTION
The products must be installed in
accordance with the NFPA 72, the
CAN/ULC‐S524, and the Canadian
Electrical Code depending on the
country
of
installation.
Check
information of equipment used in the system by other
manufacturers for any guidelines or restrictions.
NOTE
Do not paint this device.
Any material extrapolated from this document or from
Maple Armor’s instructions or other documents describing
the product for use in promotional or advertising claims, or
for any other use, including description of the product’s
application, operation, installation, and testing is the sole
responsibility of the user. Maple Armor will not assume any
liability for such use. In no case will Maple Armor’s liability
exceed the purchase price paid for a product.
SPECIFICATION
Nominal Voltage
24VDC
Voltage Range
15 to 28VDC
Standby Current
1.6mA
Active Current
10.8mA
Operating
Temperature
32°F to 120°F (0°C to 49°C)
Operating Humidity
0% to 93% RH
Dimension
120 mm (L) x 120 mm (W) x
45 mm (H)
Weight (with
backbox)
8.8 oz (249 g)
Mounting
FW800 Base
Mounting Location
Indoor Wall
Wiring Gauge
12 to 18 AWG
SPECIFICATIONS
