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Refer to the Carrier Electronic Selection Program for infor-
mation to determine unit sizing for your needs.
Application data
Basic definitions
Unit hand — When facing the supply air outlet from the
front of the unit (air blowing in your face), your right hand
will be the right hand side of the unit and your left hand the
left hand side of the unit.
Same end connection (2 pipe or 4 pipe) — All piping
connections are on the same end (side) of the unit. Con-
trols and electrical connection will be on the end (side)
opposite the piping connection.
Standard 2-pipe units will be the same end connection.
Opposite end connection (4-pipe option) — Hot
water (HW) piping connections and electrical will be on the
end (side) opposite the chilled water (CW) and drain
connections.
UNIT HAND
SAME END CONNECTION
NOTE: Piping determines the hand of the unit.
OPPOSITE END CONNECTION
NOTE: Chilled water piping determines the hand of the unit.
Selection procedure
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