Differential Attic Fan Controller

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Differential attic fan controller.

For starters i am building a smart controller for my attic fans that will use temperature and humidity for inside the attic and outside ambient for inputs. Smart attic fan control bluetooth our smart control app allows you to set presets turn your smart control enabled fan whenever you want see the temperature of your attic and the humidity of the attic so you know exactly when to have your fan running. As the heat in the attic rises above 100 the pt6 turns on power to the 2nd thermostat and starts low speed on. You ll find toggle and rocker switches with matching wall faceplates in ivory white silver brass and chrome.

Iliving 16 wall mounted shutter exhaust thermostat control 3 speeds vent fan for home attic shed or garage ventilation 1200 cfm 1800 sqf coverage area variable silver 4 6 out of 5 stars 451 136 62 136. To prevent the fan from turning on in cold weather a third comparator is used. Standard 2 x 4 vertical box depth. I have 2 speed attic fans lo hi.

I have two sections of attic separated by a vaulted section that i have located a path to run wiring between the two. A pair of 10k thermistors of course are the. The temp difference pot sets the size of the window the temperature differential. What i m planning on doing is putting an arduino controller in one.

This american designed fan is designed to reduce attic temperatures and remove destructive moisture thus making your home more comfortable and reducing the load on your hvac system and lowering your. 2 13 16 inductive amps 208v. When you need a fan control switch check the grainger selection first. I connected this pt6 thermostat set at 100 in series with a 2nd generic electric water heater thermostat set at 115 and connected both speeds of the fans to it.

Attic fan control cooling only differential. Choose from single gang double gang triple function time delay electronic timer and other types of switches. 2 1 8 inductive amps 120v. Ideal attic temperatures and humidity settings aren t always easy to maintain.

It is a simple off on control. 15 degrees f width. 120 to 240vac mounting. 80 degrees to 130 degrees f includes.

This unique control also has a two or three speed auto adjustment based on temperature so. Attic fan controller question. The apc or bms controller shall compare the control signal representing the outdoor air intake flow rate and the airflow rate in the exhaust duct calculated based on the fan speed ratio using fan laws flow α fan speed and issue a 0 10 vdc or 4 20 ma control signal to position the exhaust fan vsd to maintain a constant differential between the two airflow rates. Ideal attic temperature and humidity settings.

Freezing and excessively hot outdoor temperatures rain and high.