Multi Variable Air Conditioners Cassette Type Indoor Unit
11
①
-Drainage pipes assembled by T-shaped joints
(7) The horizontal pipe can’t be connected to vertical pipe in the same level; please select the
connection way as shown in following fig.
NO1:
Three-way connection of drainage pipe joints (Fig 4.3.2.2)
NO2: Connection of downspout elbow (Fig 4.3.2.3)
NO3: Inserting horizontal pipe connection (Fig 4.3.2.4)
Fig 4.3.2.2 Fig 4.3.2.3 Fig 4.3.2.4
(8) Drainage pipes should have a downward slope of at least 1%~2%, in order to prevent
pipes from sagging; install hanger bracket at intervals of 1000~1500mm.
Fig 4.3.4
(9) The installation height of raising pipe for drainage should be lower than 850mm. 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 800mm., as
shown in Fig 4.3.2.6.
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