Differential Attic Fan Controller

A pair of 10k thermistors of course are the.

Differential attic fan controller.

It is a simple off on control. What i m planning on doing is putting an arduino controller in one. 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. 2 1 8 inductive amps 120v.

Ideal attic temperature and humidity settings. Freezing and excessively hot outdoor temperatures rain and high. 15 degrees f width. Shop today and pick up the fan control switch.

You ll find toggle and rocker switches with matching wall faceplates in ivory white silver brass and chrome. The temp difference pot sets the size of the window the temperature differential. Standard 2 x 4 vertical box depth. 2 13 16 inductive amps 208v.

Attic fan controller question. I have two sections of attic separated by a vaulted section that i have located a path to run wiring between the two. 120 to 240vac mounting. The remington solar ventilation attic fan is completely the remington solar ventilation attic fan is completely powered by free solar energy.

This unique control also has a two or three speed auto adjustment based on temperature so. Attic fan control cooling only differential. 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. Choose from single gang double gang triple function time delay electronic timer and other types of switches.

I have 2 speed attic fans lo hi. 80 degrees to 130 degrees f includes. To prevent the fan from turning on in cold weather a third comparator is used. 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.

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. Ideal attic temperatures and humidity settings aren t always easy to maintain. When you need a fan control switch check the grainger selection first. 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.

This time the cold shut off pot sets a point voltage below which the relay won t engage.