On Samsung Low Ambient Required Under 60deg
There is a sticker on the outdoor unit that
details “Samsung units are equipped with a low
ambient control and no additional low ambient
control is required”. However, low ambient
conditions in South Korea are not the same as low
ambient conditions in North America. Standard
Samsung high wall single zone units and multi
zone units operate in cooling down to an outdoor
ambient of 60°F. If cooling is required below 60°F
ambient, an ICM low ambient controller is required
to maintain the correct head pressure.
computer rooms, and if cooling below 32°F
ambient is required, wind baffles must be installed
on the the air inlet and the fan outlet of the outdoor
unit. Do not use AD18 and AD26 in any
application where cooling is required below 60°F.
To order a low ambient kit ask for ICM328H which
comes with one sensor, for dual units order an extra
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