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In this way, applying power to the "open damper" terminal causes the motor to run until the damper is open while applying power at the "close damper" terminal causes the motor to run until the damper is closed. The motor is commonly powered from the same 24 volt AC power source that is used for the rest of the control system. This allows the ...
The Butz Thermo-Electric Regulator Company was founded in 1885 when the Swiss-born Albert Butz invented the damper-flapper, a thermostat used to control coal furnaces, bringing automated heating system regulation into homes. [11] In 1886, he founded the Butz Thermo-Electric Regulator Company.
A simpler variant of the motorized design omits the switch that detects the valve position. The motor is simply driven until the valve hits a mechanical stop, which stalls the motor. In an alternative design, the motor continues to turn, while a slip clutch allows the valve to be pushed against a mechanical stop. Usually, the valve remains open ...
Honeywell T87, its classic "Round" thermostat; Variable Air Volume (VAV) Controller, Wall Module and Box [74] Variable Frequency Drive (VFD) [75] Warehouse Automation [76] Water Purifiers [77] WIN-PAK software suite [78] Wireless intrusion alarm systems - ARMOR 300 [79] Wiring Device [80]
These are installed throughout a building to move air in or out of rooms. In the middle is a damper to open and close the vent to allow more or less air to enter the space. 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 thermostat also had the capability to turn off appliances or raise and lower the temperature to save energy and cost. Ultimately, the goal of this thermostat was to display energy usage to users and to save energy and money. [11] Nest Labs company logo. Creators of the Nest Learning Thermostat.
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