Honeywell L8104B User Manual
Page 8
68-0063—3
8
L8104A,B,C,D
INSTALLATION
Fig. 9—L8104C with remote-mounted potentiometer in an electronic ignition application.
SENSING BULB
WITH ECO SWITCH
1
2
3
SETPOINT
POTENTIOMETER
(SHOWN FROM BACK)
L1
(HOT)
L2
1
4
3
1
2
4
5
3
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
FACTORY INSTALLED JUMPER. DO NOT REMOVE.
MAXIMUM CABLE LENGTH 3 FT. (0.9M).
2
L8104C
SEN-1
SEN-2
LOWER
UPPER
24V
PV
ECO
ECO
VALVE
COM.
LOAD
POT
5
5
1ST
OPERATOR
2ND
OPERATOR
PILOT
COM
MAIN
VALVE
DUAL VALVE
COMBINAITON
GAS CONTROL
S8600H
MV MV/PV PV
GND
(BURNER)
24V
GND 24V
TH-W
(OPT)
SPARK
VENT
DAMPER
PLUG
(OPT)
BLACK
BLACK
BLACK
BLACK
RED
RED
Q345, Q346, Q348,
Q362, Q381
PILOT BURNER/
IGNITER-SENSOR
PILOT
BURNER
GROUND
PILOT GAS
SUPPLY
CONTROLS IN 24V CIRCUIT MUST NOT BE IN GROUND LEG
TO TRANSFORMER.
FOR S8600H WITH TH-W TERMINAL AND VENT DAMPER PLUG,
CONNECT THERMOSTAT TO TH-W. LEAVE 24V OPEN.
DO NOT REMOVE VENT DAMPER PLUG.
M417
SENSING BULB