L7224A,C; L7248A,C,L OIL AND ELECTRIC BOILER ELECTRONIC AQUASTAT® CONTROLLERS
15 68-0281—16
Fig. 13. L7248L External Low Limit connections.M27113
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
1
CONTROL CASE MUST BE CONNECTED TO EARTH GROUND.
USE GROUNDING SCREW PROVIDED.
2
W
L1 (HOT)
L2
1
B
R
C1
B1
ZC
L2
LINE
C2
ZR
L1
B2
T
T3
2
1
SENSOR
LINE
VOLTAGE
CIRCULATOR
LINE
VOLTAGE
OIL BURNER
RELAY
2
LOW
VOLTAGE
THERMOSTAT
L7248L
ELL=ON
L6006
LOW LIMIT
CONTROLLER