FUJIDENZO FIC180G IN, Installation Manual, Page: 22 / 40

Premium DC Inverter Series Cassette Type Unit
20
During the installation, distance from soft drain
pipe to the gasket is A mm when the bolt is
tightened. It is not allowed to apply PVC or
other related glue in the joints of two ends of
drain pipe.
①
. Metal clamp (accessory)
②
. Insulation sponge (accessory)
Insulate the pipe clamp and the drain hose
using heat insulation sponge.
①
. Metal clamp
②
. Drain hose (accessory)
③
. Grey tape (accessory)
Indoor Unit A
10±2mm(2/5±2/25inch)
15±3mm(3/5±1/10inch)
(3). When unifying multiple drain pipes, install the pipes as Fig. 4.20. Select
converging drain pipes whose gauge is suitable for the operating capacity of
the unit.(take the cassette type unit for example)
Fig. 4.20
(4). When the drain hose cannot keep a sufficient gradient, it is necessary to fit a
riser pipe (field supplied) to it.
(5). If the air flow of indoor unit is high, this might cause negative pressure and
result in return suction of outdoor air. Therefore, U-type water trap shall be
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