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File:Control circuit in household HVAC unit.jpg

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The control circuit in a household HVAC installation. The wires connecting to the blue terminal block on the upper-right of the board lead to the thermostat. The fan enclosure is directly behind the board, and the filters can be seen at the top of the image. The safety interlock switch is at the
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File:Control circuit in household HVAC unit.jpg
800 × 600 pixels
320 × 240 pixels
640 × 480 pixels
1,024 × 768 pixels
1,280 × 960 pixels
2,560 × 1,920 pixels
4,160 × 3,120 pixels
Original file
Wikimedia Commons
description page there
You can help
Idahoprogrammer
GNU Free Documentation License
Free Software Foundation
GNU Free Documentation License
Creative Commons
Attribution-Share Alike 4.0 International
same or compatible license
depicts
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Idahoprogrammer
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