User Manual

53
Outdoor Reset Control
Graph 1 illustrates Parameter 4 adjusted to 140ºF target temperature at 0ºF outdoor
air temperature
Table 3: Outdoor Air Temperature Reset (Example)
90
20
60
100
140
180
70
64
50
30
10 0
-10
86
Boiler Temperature ( F)
Outdoor Air Temperature ( F)
Parameter 4 Set Point
Parameter 10
Set Point
Parameter 12 Setting
Parameter 11 Setting
Graph 1: Outdoor Air Temperature Reset Curve (Example)
Note: Factory setting of Parameter 4 is 186ºF.