Question about Dayton G73 Utility Heater

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Hooking up my heater

I have a dayton g74 utility heater, how do you hook it up. i have it hooked up using black on li & red on l2 where does the white wire go.this is a 208 volt heater.

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  • IDOTMAN Dec 15, 2008

    I have the same problem. The heater (G73) is 220 and I have 4 wires running from the box to the heater. The Black connects to L1 and the Red to L2. I have a white and a bare copper left. Do they both connect to the Green ground Screw or do I not connect the Bare copper to anything?

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The white is the common neutral, it is probably a 3 wire unit, and you are missing the ground wire. Check inside the control panel and see if someone wired it using the white wire for the ground, it will be screwed into a terminal lug. Check the schematics to see if the unit requires a common neutral to run the controls.

Posted on Dec 03, 2008

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The black goes to L1, Red to L2. The bare copper wire is the ground which goes to the grounding nut in the rear, it has the green washer on it. The white is the 'common' or 'neutral' wire and isnt used, it gets capped with a wire nut and some electrical tape.

Posted on Mar 10, 2009

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How many amps is your service? And what gauge wire did you use for the heater?
If your service is only 40amps that is your problem. You don't have enough amps for the heater and the rest of your house, you will have to upgrade your service.

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