Re: 220 wire size Hello buickanddeere and T-Bone

Posted by john in la on July 28, 2005 at 14:18:18 from (65.6.119.77):

In Reply to: Re: 220 wire size Hello buickanddeere and T-Bone posted by buickanddeere on July 28, 2005 at 11:02:45:

Thanks for the response. Lets see if I can give you a little more info.

This is a 3.5 ton heat pump.

The out side unit.
I have cinder blocks mortared together and the center filled with dirt. On top of this I have a 4" poured in place slab with the a/c unit set on this. I have it raised with the blocks to prevent mower from hitting unit and keeps it out of the dirt/grass level.

The unit is 220 and is marked min circuit amps 23 and max overload protection of 40 amps so I installed a single breaker box on the house next to the unit with a 40 amp breaker in it and a whip to the unit.
It is about 38 ft from the house 200 amp service entrance.

The inside unit is just on the other side of the wall from the outside unit. 4 or 5 ft at most separate the two units.

The inside unit is also a 220 unit and is marked
min circuit amps 7.8/7.8 and max over current protection of 15/15.
BUT I have a 15kw backup elect. heater coil added to this inside unit for the really cold days since it is a heat pump. The heater coil is made to fit this unit. It came with 2 breakers pre wired to the heater coils. It also has a plug that you plug into the blower unit to provide elect. to the unit.
The wiring diagram for the heater coil says…….
Kilowatts 10.6/14.25
Volts; PH; HZ. 208/240/1/60
Heater Amps 50.96
The breakers are marked 10kA 120/240V
One of the breakers is marked 30 on the switch and the other is marked 60. This unit is also about 38 ft from the house 200 amp service entrance.

I think by the time I go around corners and into the units to hook up I will be at 45 to 50 ft max wire length.

I will be running the wire in conduit under the house to the inside unit closet area and then from here I will have the outside unit wire enter the back of the box through the wall and the inside unit wires enter the unit. I am waiting to see what size wire I need before buying conduit so I can get one big enough.

The link is to a picture of the inside unit breaker panel. If you click on the bottom right of picture it will explode to a size you can see all detail.

Thanks for the help.
John

• breaker picture

Follow Ups:

• Re: 220 wire size Hello buickanddeere and T-Bone Richard H. 17:52:32 07/28/05 (2)
  • Re: 220 wire size Hello buickanddeere and T-Bone dr.sportster 11:58:28 07/29/05 (0)
  • Re: 220 wire size Hello buickanddeere and T-Bone john in la 04:41:24 07/29/05 (0)
• Re: 220 wire size Hello buickanddeere and T-Bone Bus Driver 15:30:45 07/28/05 (5)
  • Re: 220 wire size Hello buickanddeere and T-Bone buickanddeere 17:26:38 07/28/05 (4)
    • Re: 220 wire size Hello buickanddeere and T-Bone john in la 04:12:35 07/29/05 (3)
      • Re: 220 wire size Hello buickanddeere and T-Bone buickanddeere 09:24:54 07/29/05 (2)
        • Re: 220 wire size Hello buickanddeere and T-Bone john in la 22:31:13 07/29/05 (1)
          • Re: 220 wire size Hello buickanddeere and T-Bone buickanddeere 06:58:42 07/30/05 (0)

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