Installation Guide

BIG ASS FAN 2025
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20
Wiring: Fire signal relay
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codes and standards.
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guidelines:
• The fan must be centered approximately between four adjacent sprinklers.
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Wiring the Fan (cont.)
From main
FACP or
NAC box, if
applicable
Controller
Input Cable
CAT5 Cable
Power Supply
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10 A 50/60 Hz
Wall Controller
See page 21 for
mounting instructions.
To wall
controller
Controller Input Cable
White +0-10 VDC Speed Ref.
Brown Not Used
Orange Status LED (+)
Yellow
Run Enable
Closed: Enable, Open: Disable
Blue
Green Status LED (-)
Red +10 VDC Supply
Black DC Common
Power Supply
Cable
Relay Coil/Contact Details
White (X2) (-) C Blue
NC Yellow
Red (X2) (+) NO Orange
Coil: 20–32 VDC @ 20 mA
WHITE
RED
ORANGE
BLUE
BLUE
YELLOW
YELLOW
WHITE
BLACK
GREEN
GREEN OR BARE COPPER
BLACK
WHITE
L1/AC LINE PE/GROUND L2/AC NEUTRAL
BROWN
(NOT USED)
RED
WHITE
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fan operation.