Multi Variable Air Conditioners Duct Type Indoor Unit
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Fig 4.3.4
(5) Install the trap as shown in following Fig 4.3.5.
(6) Install one trap for each unit.
(7) Convenience for cleaning trap in the future should be considered when installing it.
Fig 4.3.5
(8) The horizontal pipe can be connected to vertical pipe in the same level; please select
the connection way as shown in following fig.
NO1: Connection of drainage pipe joints (Fig4.3.6)
NO2: Connection of downspout elbow (Fig4.3.7)
NO3: Inserting pipe connection (Fig4.3.8)
Fig 4.3.6 Fig 4.3.7 Fig 4.3.8
(9) The installation height of raising pipe for drainage should be lower than 850 mm
(31-1/2inch). The gradient from raising pipe towards drainage direction should be at
least 1%~2%. If the raising pipe is vertical with the unit, the raising height should be less
than 800 mm (35-3/8inch).
Fig 4.3.9
(10) Drain pipes should have a downward slope of at least 1%~2%, in order to prevent pipes
from sagging, install hanger bracket at intervals of 1000~1500 mm (39-3/8~59 inch).
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