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L7224A,C; L7248A,C,L OIL ELECTRONIC AQUASTAT
®
CONTROLLERS
68-0281EFS—05 8
Fig. 8. L7224A,C; L7248L single heat zone with indirect water tank and circulators. Optional Outdoor Reset
Module.
C1
B1
ZC
L2
LINE
C2
ZR
L1
B2
T
T3
2
1
M32023
L1
(HOT)
SENSOR
LINE
VOLTAGE
CIRCULATOR
LINE
VOLTAGE
OIL BURNER
RELAY
L2
OUTDOOR RESET MODULE IS OPTIONAL.
FOR BEST PERFORMANCE SET DUU=”ON”.
1
1 2 3 OT OT
C7089U
OUTDOOR
SENSOR
1
50022037-002
OUTDOOR
RESET MODULE
INDIRECT
TANK
CIRCULATOR
LINE VOLTAGE INDIRECT
TANK AQUASTAT
L1
(HOT)
L2
2
2