In alberta you have to interlock the primary exhaust with the furnace. Just make sure to use a 3 wire.
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Exhaust fan interlock wiring diagram. An interlock is a feature that makes the state of two mechanisms or functions mutually dependent. In short we may change the motors operation and control by doing some modification in the above simple electrical interlocking control circuit diagram. For example if we need that motor 1 should stop when motor 3 starts to run then we may use a normally close nc link of m3 in line 1. Although the nbcc mandatesonlya manual shutdown of air moving fans in an air handlingsystem that is installed in a high building and that serves more than 2 storeys electrical designers also provide automatic interlocksfor such fun shutdown by a building fire alarm system. Voltmeter wiring for 3 phase system. Check the power source to see if it is compatible with the requirements of the provided system.
Wiring diagrams for a ceiling fan and light kit. Capacitor connection diagram of ceiling fan video. Electrical supervision of fire alarm devices. The afcs wiring diagram list the proper phase voltage and amp. What i did was run 143 from fan switch box to a central switch then a 142 to a relay box to run the furnace. When the hrv is energized the r and g circuit inside the furnace or fan coil will energize.
Nov 16 2015 wiring for a ceiling exhaust fan and light. If you will be hard wiring one of our variable speed fans make note of the black white and green wire connections before disconnecting the power supply cord and make sure the wire used to hard wire the fan is connected to the same terminals. Im thinking i would need a 3 way switch at the bathroom fan. Detailed coloured12n trailer wiring diagram which is commonly used on uk and european trailers and caravans from western towing. The hrv and furnace or fan coil blowers operate continuously when the hrv is energized. Nov 16 2015 wiring for a ceiling exhaust fan and light.
At first glance it might look like you can do it with a 2 wire by just energizing the fan on the furnace via the r and g terminals but you end up back feeding the ac compressor coil through the thermostat and itll turn on everytime the exhaust fan comes on. I tried searching but didnt find much. The furnace interlock relay is designed to interlock the hrv with a forced air furnace or fan coil. Micro switch 2 for exhaust on in fire should be field wired to terminals nc2 brown c2 red and no2 black in the control panel from the fire suppression system. This is easy to do when the fan starter is in the auto position the control system can power the damper actuator and a damper end switch will close the. The interlock relay must not be used with the infinityevolution.
A common problem when combining a building automation system with a 3 phase fan that must open a damper before operating is the damper end switch interlock for the motor starter hand position. Does anyone have a wiring diagram. Wiring information for each variable speed fan is located on a sticker on the motor.
Gallery of Exhaust Fan Interlock Wiring Diagram
