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XIII. Operation E. Boiler Sequence Of Operation (continued)
3. Status Screens (continued)
Bargraph Screen
The bargraph screen presents measured values for easy comparison.
This screen provides the status of the boiler’s internal diverting valve, internal
pump and external system pump (if used). It also provides the status of Frost
Protection and pump Exercise functions.
Thisscreenprovidesthestatusoftheboilersve(5)possibleheatdemands.
When demand is off the Control has not detected the call-for-heat. This screen
allows the user to determine which demands are present when more than one
demand is present.
Cycles and Hours
Boiler cycles and hours are used
to monitor the boilers overall
compatibility to the heating load.
Excessive cycling compared to run
time may be an indication of pumping,
boiler sizing or adjustment issues.
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System Circ. OFF 98
Boiler Circ. ON 23
DHW Valve DHW 0
Circulator Status/ Cycles
Circulator/Valve Status Screen