Differential Attic Fan Controller

A pair of 10k thermistors of course are the.

Differential attic fan controller.

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

The temp difference pot sets the size of the window the temperature differential. 4 9 16 country of origin subject to change. 120 to 240vac mounting. Ideal attic temperatures and humidity settings aren t always easy to maintain.

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. Ideal attic temperature and humidity settings. Choose from single gang double gang triple function time delay electronic timer and other types of switches. 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.

Shop today and pick up the fan control switch. The remington solar ventilation attic fan is completely the remington solar ventilation attic fan is completely powered by free solar energy. Attic fan controller question. It is a simple off on control.

Freezing and excessively hot outdoor temperatures rain and high. 2 1 8 inductive amps 120v. This unique control also has a two or three speed auto adjustment based on temperature so. 2 13 16 inductive amps 208v.

As the heat in the attic rises above 100 the pt6 turns on power to the 2nd thermostat and starts low speed on. Standard 2 x 4 vertical box depth. What i m planning on doing is putting an arduino controller in one. Attic fan control cooling only differential.

This time the cold shut off pot sets a point voltage below which the relay won t engage. You ll find toggle and rocker switches with matching wall faceplates in ivory white silver brass and chrome. When you need a fan control switch check the grainger selection first. 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.

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.