Honeywell L7224A Installation Instructions Manual page 8

L7224A,C; L7248A,C,L OIL AND ELECTRIC BOILER ELECTRONIC AQUASTAT
Fig. 8. L7224A,C; L7248L single heat zone with indirect water tank and circulators. Optional Outdoor Reset
68-0281EFS—07
L1
W8735Y1000 OR
(HOT)
W8735S1000
L1
(HOT)
1 2 3 OT OT
1
C7089U
OUTDOOR
SENSOR
SENSOR
ZR
L1
LINE
L2
VOLTAGE
CIRCULATOR
C2
B2
C1
LINE
VOLTAGE
B1
OIL BURNER
RELAY
ZC
OUTDOOR RESET MODULE IS OPTIONAL. W8735S1000 WIRED OUTDOOR
1
RESET MODULE SHOWN.
2 FOR BEST PERFORMANCE SET DUU="ON".
LINE VOLTAGE INDIRECT
TANK AQUASTAT
INDIRECT
TANK
L2 CIRCULATOR
L2
T
T 3
2
1
Module.
8
®
CONTROLLERS
2
M32023A