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7
Outdoor Temperature
Supply Water Temperature
120°F
160°F
38°F
Actual Outdoor Temperature
190°F
(°F)
(°F)
#4. o
utDoor
r
eset
c
urve
The boiler temperature will
reach this temperature when
the outdoor temperature is
equal to or lower than the
design outdoor temperature
105
°F
HD
ON
BOILER
OUTDOOR
38°F
TARGET
160°F
BOILER ADJUSTMENTS
1) MAX BOILER
190°F
2) MIN BOILER
120°F
3) OUT DESIGN
-10°F
4) DIFF
6°F
5) WWSD
72°F
BOILER ADJUSTMENTS
1) MAX BOILER
190°F
2) MIN BOILER
120°F
3) OUT DESIGN
-10°F
4) DIFF
6°F
5) WWSD
72°F