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XII. Operation
E. Boiler Sequence Of Operation (continued)
3. Status Screens (continued)
i
"Boiler Cycle" and "Run Time Hours" are resettable by selecting the reset
"button" located on the information screen.
The "Controller Cycles" and " Controller Run Time" data is not resettable and
remains for the life of the control.
112
Bargraph Screen
The bargraph screen presents measured values for easy comparison.
An information screen provides monitoring of "Rate Demand To Fan"
and "Fan Speed Feedback". These additional monitoring points are
provided to help monitor blower performance.
Pumping is a major part of any hydronic system. This screen provides
the status of the boiler's demand to connected pumps as well as the
status of Frost Protection and pump Exercise functions.
This screen provides the status of the boilers five (5) possible heat
demands. 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.
NOTE
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.
107672-03 - 5/18
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