A how to demonstration of wiring your xxfirestat or power attic vent thermostat.
Master flow attic fan thermostat wiring diagram.
The black wire from the fan motor should be connected to the black wire closest to the fan motor s wire.
Connect the black thermostat wire to the black cable wire the white thermostat wire to the white cable wire and the ground wire to the green ground screw in the box.
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The inexpensive fans can help reduce heating and cooling costs by evacuating superheated or cold.
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On a hotter day if the attic gets above 115 the 2nd thermostat engages and switches from lo to hi speed on the attic fans until it gets back under 100.
At the end of the day as the temperature drops the 2nd thermo switches back to low and eventually this pt6 thermostat turns off power to all.
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Master flow attic fan thermostat wiring diagram you might be able to buy doors with three hinges to ensure that you won t need to relocate hinges.
How to wire two new attic fans to a new switch box with power pertaining to attic fan thermostat wiring diagram image size 939 x 712 px and to view image details please click the image.
I had a roofer install master flow pro 3 and he did the initial wiring incorrectly.
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Step 8 install the thermostat box cover and use the screwdriver to set the thermostat so that the fan will kick on when the attic reaches 105 degrees.
Master flow power attic vent adjustable thermostat pt6 is a ul listed automatic and adjustable replacement thermostat for all single speed master flow power attic vents.
The black wire pairs were incorrectly connected and caused the fan to run 24 hours.