Pool Temperature Controller: Difference between revisions

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This project is extensively detailed on the Parnell Engineering website [https://www.parnelleng.com/2021/02/a-wifi-enabled-red-lion-t48-temperature-controller-via-the-esp8266/ here].  The high-level details of the project are mirrored on this Wiki page.
This project is extensively detailed on the Parnell Engineering website [https://www.parnelleng.com/2021/02/a-wifi-enabled-red-lion-t48-temperature-controller-via-the-esp8266/ here].  The high-level details of the project are mirrored on this Wiki page.
Observe that the terminology on this page has been clarified to indicate that this controller regulates the temperature of the pool, not the boiler's heat exchanger.  A separate page details the role of the heat exchanger temperature controller in the control system.


=== Overview ===
=== Overview ===


[[File:Automation Controls Near Boiler.jpg|thumbnail|Various automation controls near the boiler.  The pool boiler temperature controller is on the left.]]
[[File:Automation Controls Near Boiler.jpg|thumbnail|Various automation controls near the boiler.  The pool temperature controller is on the left.]]


The pool boiler temperature controller was created to enhance control and monitoring over the unit used prior to 2020 (a Johnson Controls A419).
The pool temperature controller was created to enhance control and monitoring over the unit used prior to 2020 (a Johnson Controls A419).


It provides thermostatic (on/off) control of the pool temperature via the boiler.
It provides thermostatic (on/off) control of the pool temperature via the boiler.

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