Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit
12
and wire binder. Never connect the drainage hole and drainage hose with glue.
(8) When the drainage pipelines are used for several units, the position of pipeline should
be about 100mm lower than the drainage port of each unit. In this case, thicker pipes
should be applied.
Fig.4.3.1.1
(9) Connect the drainage pipe properly, as shown in Fig.4.3.1.2.
Fig.4.3.1.2
4.3.2 Drainage Pipe Installation
(1) Drainage pipe should have the same diameter or larger diameter than the connection
pipes (PVC pipe, outside diameter 17mm, thickness≥1.75mm).
(2) Keep drainage pipe short and sloping downwards at a gradient of at least 1% for
preventing forming air bubbles.
(3) Insert the drainage hose into drain socket, tighten the metal clamp securely.
(4) Warp the sealing pad over drain hose and metal clamp for heat insulation.
(5) Make sure to perform insulation work for all drainage piping in order to prevent any
possible water drop due to dew condensation.
(6) Apply the suitable diameter for converging drainage pipe according to the operating
capacity of the unit, as shown in Fig.4.3.2.1.
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