Multi Variable Air Conditioners Compact Cassette Type Indoor Unit
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(5) Warp the sealing pad over drain hose and metal clamp for heat insulation.
(6) Make sure to perform insulation work for all drainage piping in order to prevent any possible
water drop due to dew condensation.
(7) Apply the suitable diameter for converging drainage pipe according to the operating capacity
of the unit.
Unit: mm (inch)
Fig. 4.3.2
①
Drainage pipes assembled by T-shaped joints
(8) The horizontal pipe can’t be connected to vertical pipe in the same level; please select the
connection way as shown in following fig.
1) Three-way connection of drainage pipe joints (Fig.4.3.3).
2) Connection of downspout elbow (Fig.4.3.4).
3) Inserting horizontal pipe connection (Fig.4.3.5).
Fig.4.3.3 Fig.4.3.4 Fig.4.3.5
(9) 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 (39~3/8~59 inch).
Unit: mm (inch)
Fig.4.3.6
