Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit
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(7) The horizontal pipe can’t be connected to vertical pipe in the same level; please select the
connection way as shown in following g.
N01: 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)
Connection of
drainage pipe joints
Connection of
downspout elbow
Inserting pipe connection
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.
1000-1500mm
Fig 4.3.2.5
(9) Prepare the local piping at the connection point for the drainage pipe, as shown in Fig 4.3.2.6.
Drain pan
Drain hose
①
Right side piping
②
Bottom-right piping
Fig 4.3.2.6
4.3.3 Test of Drainage System
(1) Please test drainage system after electric work is nished.
Inject approximately 1L puried water to drain pan from air vent; pay attention not to splash the
water over the electrical components (e.g. water pump. etc.):
(2) During the test, please carefully check the drainage joint and make sure no any leakage
occur.
(3) It’s strongly recommended to do the drain test before ceiling decoration.
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