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Old 21-07-2015, 09:41 PM   #6127
Join Date: Nov 2008
Posts: 1,690
My current aircon system was installed by Gain City 12 years with a junction box.
Consist of a system 4 (one outdoor compressor) with 5 indoor units.
They added a so-call Junction Box next to outdoor unit.
Gain City told me my master room unit is linked with my Dining area unit.
And the two bedrooms are linked with my Living area unit.
I should not turn on Living and Dining if all 3 bedrooms unit are running and vice versa.
So if we have visitors or guest , we turn on Living and Dining and don't turn on the bedrooms' units.

Is such Junction Box still avail nowadays and what are disadvantages ?

Cos one aircon guy told me such boxes will cause cooling capacity to be reduced.
Daikin model?
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