44
Rev 2.1
Pump contact stays closed for 1 minute (configurable through Enhanced or System Operator Interface Panel) for
boiler circulation pump to remove residual heat from heat exchanger.
3-9 Start/Stop Levels
Start/Stop levels are controlled by setpoint, On and Off Hysteresis. Central Heating and DHW have its own setpoint, On
Off Hystersis.
Default Central Heating On and Off Hysteresis are set at 7F.
Default DHW On and Off Hysteresis are set at 7F.
Example
Central Heating setpoint is set at 180F
Boiler starts at 173F (setpoint – On Hysteresis) and stops at 187F (setpoint + Off Hysteresis)
DHW setpoint is set at 140F
Boiler starts at 133F (Setpoint – On Hysteresis) and stops at 147F (setpoint + Off Hysteresis)
3-10 High Limit Setpoint
Default Outlet high limit is factory set at 240F for H Stamp and 200F for HLW Stamp.
Outlet and DHW high limit setpoint can be changed using Enhanced or System Operator Interface Panel. Refer to 5-6
HIGH LIMIT RELATED CONFIGURATION
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