Gree FGR20Pd/DNa-X Owner's Manual page 10

(3) Install the indoor unit temporarily.
Assemble suspension bolt on the expansion bolt, attach the hanger bracket to
the suspension bolt. Be sure to fix it securely by using a nut and washer from upper
and lower sides of the hanger bracket. The washer fixing plate will prevent the
washer from falling.
(4) The usage of paper pattern.
Refer to paper pattern of installation for ceiling opening dimension. The center
of ceiling opening is indicated on the paper pattern. Fix the paper pattern to the unit
with 4 screws and fix the corners of the waterspout at the drainage pipe by screws.
(5) When the indoor unit is installed, the horizontal detection for the complete
unit must be performed. The unit should be placed horizontally from front
to rear side, while there should be 1-2% slope along the drainage
direction.
(6) Remove the washer locating plate and then tighten the nut on it.
(7) Remove the paper pattern.
Ducted Type Split Air-Conditioner Units(Inverter Series)
Fig.4
Fig.5
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