Whirlpool AC1888 Owner's Instructions Manual page 5

How to install:
Choose a location where there are no any obstacle surrounding
the unit.
Prepare the installation hole slightly bigger than unit size.
Choose the installation space according to the following diagram.
The distance of obstructions from window unit inside should be
upper 300mm, lower 1500mm, left 500mm, right 500mm,
front1500mm.
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