Prestige ACVMax Control Supplement

6
2.0 CH Settings
2.4 Absolute Max CH Setpoint Default: 188°F [87°C]
Absolute Max CH Setpoint can be used to prevent a user from adjusting the
central heating setpoint or outdoor reset curve above a safe operating tem-
perature in the EZ Setup Menu. A warning screen will be displayed in EZ
Setup if the user attempts to raise the setpoint above the Absolute Max CH
Setpoint. The Absolute Max CH Setpoint will be displayed on the outdoor
reset curve in EZ Setup if the user selects an outdoor reset curve which goes
above the Absolute Max CH Setpoint. Press the LEFT or RIGHT buttons
to adjust the Absolute Max CH Setpoint then press the OK button to store
the setting.
2.5 CH1 Maximum Setpoint Default: 176°F [80°C]
CH1 Maximum Setpoint is the maximum setpoint for a CH1 heating call
when an Outdoor Curve option is chosen in Demand Type. CH1
Maximum Setpoint is the fixed setpoint for a CH1 heating call when a
Setpoint option is chosen in CH Demand. Press the LEFT or RIGHT
buttons to adjust the CH1 Maximum Setpoint then press the OK button to
store the setting.
2.6 CH1 Minimum Setpoint Default: 80°F [27°C]
CH1 Minimum Setpoint is the minimum setpoint for a CH1 heating call
when an Outdoor Curve option is chosen in Demand Type. This setting is
not applicable when a Setpoint option is chosen in Demand Type. CH1
Minimum Setpoint must be set equal to or below the CH1 Maximum
Setpoint. Press the LEFT or RIGHT buttons to adjust the CH1 Minimum
Setpoint then press the OK button to store the setting.
2.7 Outdoor Curve Coldest Day Default: 10°F [-12°C]
Outdoor Curve Coldest Day is the coldest outdoor design temperature of
the heating system when an Outdoor Curve option is chosen in Demand
Type. This setting is not applicable when a Setpoint option is chosen in
Demand Type. Press the LEFT or RIGHT buttons to adjust the Outdoor
Curve Coldest Day then press the OK button to store the setting.
68ºF
188ºF
176ºF
CH1 Max.
Setpoint
60ºF
188ºF
80ºF
CH1 Min.
Setpoint
-30ºF
50ºF
10ºF
Outdoor Curve
Coldest Day
68ºF
188ºF
188ºF
Abs. Max
CH Setpoint