Multi Variable Air Conditioners Duct Type Indoor Unit
13
(8) Each unit should be installed with one water-sealed joint.
Unit: mm
Fig 4.12
(9) The horizontal pipe can be connected to vertical pipe in the same level; please select the
connection way as shown in Fig4.13~ Fig4.15
Fig 4.13 Fig 4.14 Fig 4.15
①
: Connection of drainage pipe joints (Fig 4.13)
②
: Connection of downspout elbow (Fig 4.14)
③
: Inserting pipe connection (Fig 4.15)
(10) 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.
Fig 4.16
(11) 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 1000~1500mm.
Fig 4.17
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