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Installation instruction
(3) Precautions on installation
NOTICE
If drain holes of the outdoor unit are covered by a mounting base or by floor surface, raise the unit in order to provide a
free space of more than 130mm(5in.) under the outdoor unit.
Foundation work
• Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise
after installation.
• In accordance with the foundation drawing in the figure, fix the unit securely by means of the foundation bolts.
• It is best to screw in the foundation bolts until their length are 20mm(0.8in.) from the foundation surface.
• Fix the outdoor unit to the foundation bolts using nuts with resin washers(1) as shown in the figure.
• If there is no need to install the outdoor machine in the open space of the building or the enclosure, the following two
ways can be used to avoid the fan reversal or damage caused by strong wind blowing.
(1) Using the windshield
Wind deflector
Fierce wind
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Wind deflector
Fierce wind
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