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M896 DAMPER ACTUATOR
Other wiring connections are necessary. Follow the
furnace or boiler manufacturer wiring instructions, or
refer to Fig. 3 through 5.
DAMPER BRACKET
REMOVED FOR CLARITY
Fig. 2. Installing M896 Damper Actuator on damper.
1
2
Fig. 4. Wiring diagram for M896 (D896) connection to L8148E1166 using wiring harness with two Molex plugs.
69-1089B–1
S8600F, H, M; S8610F,H
GND
24V
(BURNER)
GND 24V
MV MV/PV PV
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
REMOVE PLUG ONLY IF USING VENT DAMPER. FUSE
BLOWS ON STARTUP WHEN PLUG IS REMOVED;
THEN MODULE OPERATES ONLY WHEN VENT
DAMPER IS CONNECTED.
M896
1
M3947
S3 SWITCH
1
USE STANDARD SCREWDRIVER TO MANUALLY OPEN AND
CLOSE VENT DAMPER. PLACE SCREWDRIVER IN SLOTTED
KNOB AND ROTATE COUNTERCLOCKWISE UNTIL
BOTH LEDS TURN ON.
Fig 3. M896 with cover removed.
1
VENT
2
DAMPER
PLUG
TH-W
SENSE
WIRING
HARNESS
2
SERVICE
SWITCH
NORM
SERV
RELAY 1K
SPARK
M896/D896
VENT
DAMPER
M11369
IGNITION GAS
PWR LED
CALL FOR
HEAT LED
HARNESS
CABLE
CONNECTOR
M11367
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