Pool Boiler: Difference between revisions
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→Stage A: Demand for Heat
Matt Parnell (talk | contribs) |
Matt Parnell (talk | contribs) |
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A demand for heat is satisfied when all of the following conditions are met: | A demand for heat is satisfied when all of the following conditions are met: | ||
# The boiler temperature controller [[Pool Boiler Temperature Controller#Low Operator|low operator]] relay contact is closed, indicating that no faults are active. | |||
# The measured temperature (via the [[Pool Temperature Controller|pool temperature controller]]) has reached or fallen below the heat threshold. | # The measured temperature (via the [[Pool Temperature Controller|pool temperature controller]]) has reached or fallen below the heat threshold. | ||
# The normally closed (NC) <b>Boiler Disable</b> relay contact (part of the pool automation system) is closed, indicating that no fault is observed. | # The normally closed (NC) <b>Boiler Disable</b> relay contact (part of the pool automation system) is closed, indicating that no fault is observed. | ||
# | |||
NOTE: These three conditions align with the low operator temperature switch from #11 to #13, "remote operator option" function from #13 to #14 and "enable relay option" from #14 to #15 in RBI drawing 42-2112. Connections at terminals #13 and #14 are no longer made within the boiler housing. | |||
At this point: | At this point: | ||