Mini split A/C Questions

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Old 08-19-13, 01:25 PM
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Mini split A/C Questions

I am looking to replace 3 wall mounted A/C's in the first floor with a quadzone mini split system (1 will be used in a future garage addition). In the future I may install a dedicated central A/C just for the second floor (I don't want to lose closet space) and I like having multiple zones.

My questions:

1) What is the usual distance on center between the ceiling and the mini split?

2) Do mini split air handlers usually get direct wired or do they use a wall outlet?

I have wall outlets for my wall units but I would prefer to eliminate them and have the mini splits direct wired.

Thank you.
 
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Old 08-19-13, 01:31 PM
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1. I like to mount them higher up on the wall........usually one foot from the ceiling to the top of the air handler.

2. The outdoor unit is normally fed either 120 or 240 volts then the indoor units are fed from the outdoor unit....either 240, 120 or 24 volts depending on the unit.
 
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Old 08-19-13, 02:14 PM
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Do you have any recommendations on brands/models for a quad zone system? I am looking for an efficient/reliable/quiet unit.
 
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Old 08-19-13, 04:51 PM
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I like Mitsubishi and Panasonic systems. The model would depend on the sizes needed for your application.
 
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Old 08-19-13, 05:10 PM
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I have never actually seen one in someone's house. Are these systems reliable? Do see the air handlers break down much? How long are these systems roughly expected to last before a replacement? Thank you.
 
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Old 08-20-13, 01:29 PM
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Daikin, Fujitsu, They should last 10 plus years easy
 
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Old 08-20-13, 05:17 PM
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When I remove the wall air conditioner I plan to frame out the opening and put a piece of plywood on the exterior side. I need to get a mason to brick it up afterwards. Before its bricked up should I do anything to the plywood? Should I caulk the gaps between the new plywood and old plywood? Should I install a piece of tyvec building wrap on the new plywood? Thanks.
 
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Old 08-20-13, 05:24 PM
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Yes.....all of the above.
 
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Old 08-20-13, 05:30 PM
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Thanks for your help everyone.
 
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