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System Inputs Screen
Heating Calls
• The Room Target displays the desired room temperature
when an indoor sensor is available.
• Early Start is in effect when the dot is green. This is available
when an indoor sensor is available.
• Boost is in effect when the dot is green. This is available
when there is no indoor sensor.
• Smart Setback is in effect when the dot is green.
• Domestic Hot Water dot is green when there is a DHW
heating call.
Sensors
• The outdoor temperature is used to calculate the heat on
time of the steam boiler using outdoor air reset.
• The optional condensate return temperature is used to
determine when steam is established at the furthest radiator.
• The optional indoor temperature is used to provide
indoor temperature feedback for the heat on time.
• The optional pressure sensor is used for monitoring and
operating the second stage boiler.
System Outputs Screen
• When an output is turned on (relay closed), the dot
is green.
• When an output is turned off (relay open), the dot
is gray.
• When Warm Weather Shut Down (WWSD) is in effect,
the dot is green.
• Manual override are displayed. In normal operation the
override will display “AUTO”.
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