Pool Boiler Temperature Controller: Difference between revisions
Matt Parnell (talk | contribs) |
Matt Parnell (talk | contribs) |
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=== Low Operator === | === Low Operator === | ||
The low operator is activated when the following conditions are true: | The low operator is activated (the relay contact is closed) when the following conditions are true: | ||
* The RTD is producing valid feedback (not shorted or open-circuit). | * The RTD is producing valid feedback (not shorted or open-circuit). | ||
* The boiler temperature is below the | * The boiler temperature is below the high temperature fault threshold (timing rules apply). | ||
The low operator may be released when any of the prior conditions are no longer met. In addition, it may be released when: | The low operator may be released when any of the prior conditions are no longer met. In addition, it may be released when: | ||
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=== High Operator === | === High Operator === | ||
The high operator is activated when the following conditions are true: | The high operator is activated (the relay contact is closed) when the following conditions are true: | ||
* All conditions for the low operator are met | * All conditions for the [[#Low Operator|low operator]] are met. | ||
* The boiler temperature is below the second stage threshold (timing rules apply). | * The boiler temperature is below the second stage threshold (timing rules apply). | ||