The first thing to do is to switch off electrical power that connects the exhaust fan. Connect the ground wire green to the terminal screw in the electrical box.
Alternate Ventilation System
Exhaust fan thermostat wiring diagram. Connect the black wire coming from the exhaust fan to the red wire on the thermostat. Wiring the exhaust fan to a thermostat is not a difficult thing and it is something that you can do by following a few simple steps while having the necessary tools and materials. 2 transformer typical heat only system with fan typical cool only system with fan fan relay heat relay rc rh y c we g c r l2 l1 hot fan relay compressor relay c r l2 l1 hot rc rh y c g power supply factory installed jumper. 3ø wiring diagrams 1ø wiring diagrams diagram er9 m 3 1 5 9 3 7 11 low speed high speed u1 v1 w1 w2 u2 v2 tk tk thermal overloads two speed stardelta motor switch m 3 0 10v 20v 415v ac 4 20ma outp uts diagram ic2 m 1 240v ac 0 10v outp ut diagram ic3 m 1 0 10v 4 20ma 240v ac outp uts these diagrams are current at the time of publication. Step 1 safety first. This ensures that you are safe from harm.
A temperature sensor with a human set trip temperature point changes an impedance lowers to indicate when the set point occures b the energy to operate the system is 24vac from a small transformer. C the fan control is a small 24vac relay that can open and close contact to run a pump or fan that use 120vac. Use wire nuts to make these connections. 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. 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. Master flow attic fan thermostat wiring diagram july 14 2018 by zamira leave a comment usa made jet fan attic master flow thermostat wiring diagram top 5 best roof mounted attic fans channel master wiring diagram masterflow thermostat to a box fan.
1 transformer typical 2h2c system. Thermostat quick reference wiring diagrams wiring diagrams typical 2h2c system. Connect the white wire coming from the exhaust fan to the black wire on the thermostat. Three parts to a thermostat system.
Gallery of Exhaust Fan Thermostat Wiring Diagram
