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Idiomas disponibles
Idiomas disponibles
L7224A,C; L7248A,C,L OIL AND ELECTRIC BOILER ELECTRONIC AQUASTAT
TROUBLESHOOTING
When attempting to diagnose system performance,
reference to the LED display can help to identify
specific areas not working properly. The LED display
Fig. 8. L7224A,C; L7248L single heat zone with indirect water tank and circulators. Optional Outdoor Reset
68-0281EFS—09
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".
will scroll Err, followed by a digit (1-8). Refer to Table
10 and 11 for a description of each error and
suggested actions.
LINE VOLTAGE INDIRECT
TANK AQUASTAT
INDIRECT
TANK
L2
CIRCULATOR
L2
T
T 3
2
1
Module.
8
®
CONTROLLERS
2
M32023A
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