Smoother Running

In an effort to smooth out the troughs, when the delta between the panel and tank is just a bit too small to run, we're trying an additional technique of using the light level to determine whether to keep the panel filled, even when we might lose a little heat from the tank.

Keeping the semi-syphon system filled, but not flowing, requires quite a delicate balance. Overshoot and lose heat, undershoot and drain back.

By using irradiation data, the panel can operate sooner after sunrise, reducing latency in sensor detection and eliminating waiting periods for adequate temperature differential conditions.

The test system will be on and off over the next few days during testing, and there will likely be some strange results showing up in the logs and graphs.