Heating System Thermostat

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Controlled by indoor and outdoor temperature
Simple, high reliability design

This circuit is intended to control a heating system or central heating plan, keeping constant indoor temperature in spite of wide range changes in the outdoor one. Two sensors are needed: one placed outdoors, in order to sense the external temperature; the other placed on the water-pipe returning from heating system circuit, short before its input to the boiler. The Relay contact wiring must be connected to the boiler’s start-stop control input.
This circuit, though simple, has proven very reliable: in fact it was installed over 20 years ago at my parents’ home. I know, it is a bit old: but it is still doing its job very well and without problems of any kind.

Read More Source:
http://www.redcircuits.com//Page46.htm
Thank you.

This entry was posted on Sunday, March 30th, 2008 at 9:21 am and is filed under Electronic Control. You can follow any responses to this entry through the RSS 2.0 feed.