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Individual drainage
Use a leveler to check that the fan coil unit is parallel to the ceiling.
1 If the slope of the drain pipe is less than 1/100, be sure to install an air vent at the inlet of each drain hole to
smooth the flow of condensation water.
2 If the drain pipe is installed higher than the connection port, install the drain pipe vertically within a distance of
300 mm from the flexible hose connection port. (Slim 1 way cassette)
• However, because the water may leak, the height of the drain pipe should not exceed 550 mm.
3 Install the drain pipe at a slope of 1/100 or more.
4 Make sure that the distance between the supports is 1 to 1.5 m.
5 In order to prevent odor from the outlet of the drain pipe, install a trap at the end of the drain pipe or install an
indirect drain.
6 Do not apply force to the hose when connecting the drain pipe.
• Make sure that the hose connection is not loosened and as close as possible to the wall or other support, as
shown in the figure.
• If the slope of the drain pipe is insufficient (less than 1/100), be sure to
install an air vent at the top of each fan coil unit to prevent water from
flowing back to the unit.
• Fix one of the flexible hoses to the
ceiling using a hanger so that the
straight section is maintained.
• Be sure to insulate the flexible hose,
and then fix it with a clamp. (To
prevent damage to the flexible hose)
※ I nstall the horizontal drain pipe (transverse pipe) lower than the flexible hose.
DB68-11289A-01_IM_DVM FCU WindFree 4way_EU_EN_.indb 17
200 mm or less
Flexible hose
Clamp
600 mm
or less
Straight section
(200 mm or less)
• D o not install the flexible hose in a
loop shape, as shown in the figure.
The air in the pipe is not smoothly
drawn out, causing air pockets and
backward flowing of drainage.
Air vent
100 mm
or more
Horizontal drain pipe
100 mm or less
(transverse pipe)
• Do not install the flexible hose so
that it is bent within 90 degrees,
as shown in the figure. (The bent
drain hose may degrade drainage
performance.)
1 to 1.5 m
Full thread
bolt hanger
More than 1/100 slope
Ceiling
English
2022-04-26 오전 8:55:19
17
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