Install Instructions

57
Outdoor Reset Control
90
20
60
80
100
140
70
64
50
30
10 0
-10
77
Boiler Temperature ( F)
Outdoor Air Temperature ( F)
Boiler CH Set Point
Parameter 5
Set Point
Parameter 7 Setting
Parameter 6 Setting
Graph 1: Outdoor Air Temperature Reset Curve (Example)
Table 7: Outdoor Air Temperature Reset (Example)
Outdoor
Temperature
Appliance target Temp.
Based on Outdoor Temp.
10ºF or Lower 140ºF
30ºF 117ºF
50ºF 93ºF
64ºF or Higher 77ºF
Graph 1 illustrates Appliance CH Setpoint adjusted to 140ºF target temperature at
10ºF outdoor air temperature
Note: Factory setting of CH set point is 186ºF