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28 Customer Service: 252.522.3031
WIRING
Wiring Diagrams
FLUE SENTINEL
®
DAMPERS
L1
L2
120 VAC
24 VAC
GAS VALVE
IGNITION CONTROL MODULE
SPARK ELECTRODE/
SENSOR
FIREPLACE
SWITCH
24V
GND
TH-W
TRANSFORMER
Brown
Orange
Yellow
FLUE
SENTINEL
ELECTRONIC
FIREPLACE
DAMPER
The damper must be installed using the 50-foot wiring
harness and wire terminals supplied with it. The harness
should be cut to remove any excess length.
Orange
Yellow
THERMOPILE
MILLIVOLT
GAS VALVE
ON/OFF
SWITCH
+POS
-NEG
FLUE
SENTINEL
MILLIVOLT
FIREPLACE
DAMPER
Millivolt gas valve must be wired as follows:
FSM Harness
Orange - On/Off Switch
Yellow - TH
Black - TP
Thermopile Leads
Red (Positive) – TH/TP
White (Negative) - TP
The wiring connecting the damper controller to the
gas valve must be a minimum of 18 AWG and must
be run in conduit if installed on the exterior of the
chimney or required by code.
The damper control wiring must always be
connected as follows:
Brown - 24 VAC Hot
Orange - Signal In
Yellow - Signal Out
Black - 24 VAC Common
Basic Wiring for 24v Damper
Basic Wiring for Millivolt Damper