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Architect

Fan controller question.

Hi folks.

I'm a bit confused about dual fan controllers. If they are used to control the heat (by setting a high temp of 28 and a low of 20, for example)...

 

...how do they work with lights on/lights out?

 

 

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smscom hybrid you set minimum fan speed and maximum and the temperature to switch between them. It will also ramp up the fans for about 5 minutes an hour during lights off to avoid humidity build up in the pro model.

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The controller will turn the fans down to the minimum speed you would have set. You can set the minimum to 0% so it idles (turns very slow) so you arent sucking in loads of cold air but the minimum extraction fan power is usually set higher to maintain negative pressure so cold air will still be drawn in throgh cracks and spaces in grow room/tent. I need to use a tube heater at night to keep the heat reasonable.

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