Pool Boiler Temperature Controller: Difference between revisions
Matt Parnell (talk | contribs) |
Matt Parnell (talk | contribs) |
||
| (2 intermediate revisions by the same user not shown) | |||
| Line 87: | Line 87: | ||
=== 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). | ||
| Line 104: | Line 104: | ||
=== 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). | ||