I have a FZL 4004 Fahrenheat wall heater 240V. I dont feel like it is cranking out heat. Is there wiring instructions for this model? I hooked the red wire from the unit to the white wire(power supply and black to black. Is this correct or should I have done it differently? I ahve a 2 pole circuit breaker, the black wire goes in that and thta is it. Is that correct?
You should have a licensed electrician connect this unit for you.
That being said you need to supply 240v to the unit. You will need a true two pole breaker. (not a split or a twin) There should be two screws or lugs and two slots or clamps on the bus side. These slots must span both phases of your panel. You can measure the voltage across the two screws if you are uncertain, it should read 240v.
Next connect a piece of 12/2 wire to the two screws. Use the black and the white. Land the bare copper wire on the ground bus in the panel.
Then at the unit, land the bare ground to the ground screw and connect your 12/2 to the wires in the unit. You may find the wire nutted together. This is normal, and allows "feeding" the unit from either side. If you are unsure measure the voltage here also, across the white and the black. It should be about 240v.
The black and white wires should both go to the breaker. Not just the black wire. If you hook only the black wire to the breaker then you are only feeding the unit with 110 instead of 220. Both wires need to be hot.
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