AVT5621 A + - solar collector differential controller. PCB board and programmed layout

Description

The fashion for "eco" is growing ever wider. No wonder, since there is often a normal economy behind it. An example of this is the harnessing of solar energy for heating domestic hot water (CWU) for a single-family home. In order for this installation to be safe and efficient, it should be provided with an appropriate system to supervise its operation. That's what the device is for, the controller will come in handy in a detached house or garden plot.

Project AVT 5621 EP 03/18

properties

• Easy-to-read LED display
• User menu with a button
• Temperature measurement of liquid in the collector and water in the tank
• Controlling the pump depending on the measured temperature difference
• Galvanically isolated using an optotriac
• ATtiny44A microcontroller
• Solid-state alarm output
• Power from 230 V AC mains through a transformer

Included

• PCB board and programmed layout