L8148A,E,J AQUASTAT® RELAYS
60-2278—9
10
Fig. 11. Wiring L8148E with S8610A,F Intermittent Pilot Ignition Module with
automatic vent damper plug and Honeywell D892/M892 Vent Damper.
Fig. 12. Wiring L8148E with internal plug directly to D892/M892 Vent Damper in hydronic intermittent pilot system.
3
1
2
3
4
5
4
5
2
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
REMOVE PLUG ONLY IF USING VENT DAMPER. WITH PLUG REMOVED AND VENT DAMPER CONNECTED, FUSE BLOWS
WHEN THERMOSTAT FIRST CLOSES. THEN MODULE OPERATES ONLY WHEN VENT DAMPER IS CONNECTED.
CAREFULLY FOLLOW WIRING; MISWIRING COULD RESULT IN CONSTANT ON.
CONTROL CASE MUST BE CONNECTED TO EARTH GROUND. USE GROUNDING SCREW PROVIDED.
B1 IS 1/4 IN. TAB TERMINAL.
S8610
MV MV/PV PV
GND
(BURNER)
24V
GND 24V TH-W
SPARK
VENT
DAMPER
PLUG
THERMOSTAT
L8148E (STANDARD MODELS)
G
L1
1K2
HIGH LIMIT
L2
Z
W
1K
T
TV
B1
C1
B2
C2
VR8304
WIRING
HARNESS
D892/M892
B
R
1K1
M2298D
PV
PV
MV
MV
24V GND
24V
S8600
L1
(HOT)
L2
1
1
2
3
4
5
L8148E
4
2
3
FUSE
5
1
2
3
5
6-PRONG FEMALE MOLEX
RECEPTACLE IN L8148E
AND 5-PRONG MALE
MOLEX PLUG ON CABLE
1K1
B1
B2
L1
C1
C2
L2
CIRCULATOR
POLARIZED 4-PRONG
MALE MOLEX PLUG AND
4-PRONG FEMALE
MATING PLUG ON CABLE
1
2
3
4
24 VAC
THERMOSTAT
D892/M892
4
197516A
CABLE
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
REMOVE PLUG-IN THAT JUMPERS PINS 2 AND 3 WHEN USING VENT
DAMPER.
AFTER VENT DAMPER IS PLUGGED INTO L8148E, FUSE BLOWS
WHEN THERMOSTAT FIRST CLOSES. AFTER FUSE BLOWS, L8148E
OPERATES ONLY WHEN VENT DAMPER IS CONNECTED.
SEE VENT DAMPER PRODUCT SPECIFICATIONS FOR INTERNAL
SCHEMATICS.
B1 IS 1/4 IN. TAB TERMINAL.
M1624C
1K2
HIGH LIMIT
CONTROLLER
R
B
TV
W
T
1K
Z
