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D896 AUTOMATIC VENT DAMPER
68-0186
6
Fig. 5. D896 with cover off.
Honeywell
D892/D896
Wires
Honeywell
D80B Wires
Johnson
Q35 Wires
EFFIKAL
RVG Wires
Yellow Orange Green 1
Orange Blue and Red White 2
Blue Black Red 3
Black Yellow Black 4
NORM
SERV
SERVICE
SWITCH
HARNESS
CABLE
CONNECTOR
IGNITION GAS
PWR LED
CALL FOR
HEAT LED
S3 SWITCH
RELAY 1K
USE STANDARD SCREWDRIVER TO MANUALLY OPEN AND
CLOSE VENT DAMPER. PLACE SCREWDRIVER IN SLOTTED
KNOB AND ROTATE COUNTERCLOCKWISE UNTIL
BOTH LEDS TURN ON.
1
1
D896
M11373
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
AFTER D896 VENT DAMPER IS PLUGGED TO L8148E1166, FUSE
BLOWS WHEN THERMOSTAT FIRST CLOSES. AFTER FUSE BLOWS,
L8148E1166 OPERATES ONLY WHEN VENT DAMPER IS CONNECTED.
LED 1 LIGHTS WHEN DAMPER IS OPEN.
LED 2 LIGHTS WITH CALL FOR HEAT.
SERVICE SWITCH. THE NORMAL SWITCH SETTING IS NORM. IF THE
SWITCH IS MOVED TO THE SERV POSITION, THE DAMPER REMAINS OPEN.
NO W,Z TERMINALS ON L7148.
M11382
D896
1
2
4
WIRING
HARNESS
24 Vac
THERMOSTAT
1K
L8148E1166/L7148
1K1
L1
(HOT)
L2
CIRCULATOR
3
4
1
3
2
6-PRONG FEMALE MOLEX
RECEPTACLE IN L8148E
AND 5-PRONG MALE
MOLEX PLUG ON CABLE
24V GND
24V
POLARIZED 4-PRONG MALE MOLEX PLUG AND
4-PRONG FEMALE MATING PLUG ON CABLE
FUSE
1
2
3
1
2
MOTOR
NORMAL
SERVICE
K1
R1, R2, R3
250 OHMS
N.C.
N.O.
N.C.
N.O.
C
C
S1
S2
K1
N.C.
N.O.
C
S3
SWITCHES AS SHOWN: S1,S2,S3
DAMPER OPEN
DAMPER CLOSED
TW
TV
Z
C1
C2
L1B2
B1
L2
5
4
5
6
6
5
3
4
S4
LED 2
LED 1
Replacing D80B, D892 or Competitive
Control with D896
WARNING
Bodily harm and/or death possible. Prevent
unsupervised gas flow.
Improper wiring (device malfunction) of the D80B,
D892, D896 or competitive devices can cause
unsupervised gas flow.
A wiring harness is included with most D896 models. Use the
harness to wire the D896 according to the furnace or boiler
manufacturer wiring instructions, if available; otherwise, follow
these instructions. If field wiring is required, see appliance
manufacturer instructions or see Fig. 8 for a typical wiring
example. See Table 1 for competitive wiring cross reference.
Always cycle system through at least two appliance
operations.
Fig. 6. Wiring diagram for D896 connection to L8148E1166 /L7148 using wiring harness with two Molex plugs.
Table 1. Wiring Cross Reference.