Multi Variable Air Conditioners Duct Type Indoor Unit
filter to the air-return opening.
⑤ Please consider noise-damping and vibration damping for the design and construction of
air duct. Besides, noise source must be away from people. For instance, do not have the air-return
opening installed on top of the user(offices, rest area, etc.).
4.4.1 Installation of Air-out Duct
(1) Installation of the Rectangular Duct
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2
3
No.
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4
(2) Installation of Circular Duct
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2
No.
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2
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4
5
4.4.2 Shape and Size of Air-outlet and Air-return Opening
(1) The following figure is applicable for the model GMV-NX140P/A(X1.2)-K
◆ Size of air-outlet opening
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