Carrier 38QUS012D8S Service Manual page 26

1.5 Flexible Air Intake Way (Bottom side or Rear side)
 The frame size of air inlet in rear and bottom is the same. It's very easy to switch to match different
application.
Air intake from rear (Standard)
1.6 Communication wire connection
 A6 duct uses two wires without polarity connection way, which almost has no mistake during the
installation.
1.7 Easy Clean
 Clean the filter (Optional, standard product without filter)
 It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or
bottom side.
Indoor Units
Filter
Air intake from bottom (Optional)
Features
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