Carrier 42QHF012DS Service Manual page 7

2.4 A5 Duct
⑴ Installation accessories: (Optional)
Front Board, Canvas Air Passage, Filter, Panel, for easy installation
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Front Board
Canvas Air Passage
⑵ Easy Installation: Two air inlet styles (Bottom side or Rear side)
Air inlet from rear is standard for all capacity; air inlet from bottom is optional.
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The size of air inlet frame from rear and bottom is same, it's very easy to move the cover from bottom to
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rear side, or from rear to the bottom, in order to matching the installation condition.
Air intake from rear (Standard)
⑶ Fresh air intake function
Install one duct from the reserved fresh-air intake to outdoor.
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Continually inhale the fresh air to improve the quality of the indoor air, fulfills air quality more healthy and
comfortable.
Filter
Air intake from bottom (Optional)
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Panel