Honeywell D896 Installation Instructions Manual page 4

D896 AUTOMATIC VENT DAMPER
4
MOTOR
NORMAL
S4
5
SERVICE
N.O.
N.C. S1
C
N.C.
3 LED 1
POLARIZED 4-PRONG MALE MOLEX PLUG AND
4-PRONG FEMALE MATING PLUG ON CABLE
SWITCHES AS SHOWN: S1,S2,S3
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 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.
3
LED 1 LIGHTS WHEN DAMPER IS OPEN.
4
LED 2 LIGHTS WITH CALL FOR HEAT.
5 SERVICE SWITCH. THE NORMAL SWITCH SETTING IS NORM. IF THE
SWITCH IS MOVED TO THE SERV POSITION, THE DAMPER REMAINS OPEN.
6 NO W,Z TERMINALS ON L7148.
Fig. 5. Wiring diagram for D896 connection to L8148E1166 using wiring harness with two molex plugs.
S8600F, H, M; S8610F,H
GND 24V
(BURNER) GND 24V
MV MV/PV PV
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2 REMOVE PLUG ONLY IF USING VENT DAMPER. FUSE
BLOWS ON STARTUP WHEN PLUG IS REMOVED;
THEN MODULE OPERATES ONLY WHEN VENT
DAMPER IS CONNECTED.
Fig. 6. Wiring diagram for D896 connection to S8600/
S8610 using wiring harness with two molex plugs.
69-1088B
D896
LED 2
4
R1, R2, R3
K1
250 OHMS
2
N.O.
N.C.
C
S3
K1
1
N.O.
S2
C
3
DAMPER OPEN
DAMPER CLOSED
1
2 VENT
DAMPER
PLUG
TH-W SENSE
WIRING
HARNESS
D896
VENT
DAMPER
24 Vac
THERMOSTAT
WIRING
HARNESS
4
2
3
FUSE
2
5
1
6-PRONG FEMALE MOLEX
RECEPTACLE IN L8148E
AND 5-PRONG MALE
MOLEX PLUG ON CABLE
4 3
SPARK
M11375
1 2
TH TH
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 CONNECT COLORS OF WIRING HARNESS AS SHOWN.
3 ALTERNATE LIMIT CONTROLLER HOOKUP.
Fig. 7. Wiring diagram for D896 connection to
continuous pilot system using wiring harness
4
L8148E1166/L7148
T W
TV
1K
Z
6
C2
C1
1K1
L2
B2 L1
B1
L1 L2
(HOT)
24V GND
24V
D896
2 1
2
WIRING
HARNESS
THERMOSTAT
LIMIT
CONTROLLER
LIMIT
CONTROLLER
TRANSFORMER
DUAL AUTOMATIC
VALVE COMBINATION
GAS CONTROL
with one molex plug.
CIRCULATOR
1
M11382
3
1
L1
(HOT)
L2
M11372