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. | |||
The pool | == Overview == | ||
[[File:Automation Controls Near Boiler.jpg|thumbnail|Various automation controls near the boiler. The pool temperature controller is on the left.]] | |||
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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* Clear indication of the sensed (feedback/input) temperature and setpoint (process) temperature on LED displays. | * Clear indication of the sensed (feedback/input) temperature and setpoint (process) temperature on LED displays. | ||
* Monitoring of the boiler operation (response to a | * Monitoring of the boiler operation (the [[Pool Boiler#Stage D: Main Gas Valve On|main gas valve turns on]] in response to a call for heat). | ||
* Provides network services via WiFi: | * Provides network services via WiFi: | ||
** A mobile-friendly website indicating operating status and temperatures. | ** A mobile-friendly website indicating operating status and temperatures. | ||
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** There is no apparent need; changes to the setpoint are rare. Changes can be done on-site via the front panel. | ** There is no apparent need; changes to the setpoint are rare. Changes can be done on-site via the front panel. | ||
=== Drawings | == Operation == | ||
Details to follow. | |||
== Drawings == | |||
A drawing has been created per the present as-built configuration. | A drawing has been created per the present as-built configuration. | ||
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[[File:FFSC-002 Temperature Controller.png|300px]] | [[File:FFSC-002 Temperature Controller.png|300px]] | ||
== Software == | |||
The software is stored on GitHub, in a private repository located at https://github.com/fairwayfarms/PoolHeaterControl. | The software is stored on GitHub, in a private repository located at https://github.com/fairwayfarms/PoolHeaterControl. | ||
As the source contains private information for WiFi and SMTP, it is not shared. For FFSC members or staff: contact B&G for access to the repository. In the future, a sanitized version may be made public. | As the source contains private information for WiFi and SMTP, it is not shared. For FFSC members or staff: contact B&G for access to the repository. In the future, a sanitized version may be made public. | ||