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Honeywell L7224A Installation Instructions Manual page 15

Oil and electric boiler electronic aquastat controllers
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L7224A,C; L7248A,C,L OIL AND ELECTRIC BOILER ELECTRONIC AQUASTAT
1
L2
L1 (HOT)
SENSOR
LINE
VOLTAGE
CIRCULATOR
LINE
VOLTAGE
OIL BURNER
RELAY
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
CONTROL CASE MUST BE CONNECTED TO EARTH GROUND.
USE GROUNDING SCREW PROVIDED.
Fig. 13. L7248L External Low Limit connections.
ELL=ON
L6006
R
LOW LIMIT
CONTROLLER
W
B
2
L7248L
T
T 3
2
1
ZR
L1
L2
C2
B2
C1
B1
ZC
15
LOW
VOLTAGE
THERMOSTAT
M27113
®
CONTROLLERS
68-0281—16

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L7224cL7248lL7248aL7248c