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DRAIN PIPING WORK
Drain pipe connecting
port (Hard socket)
Attached hose band
Attached flexible hose
Soft socket
Hard socket
Socket for VP25
(To be local procure)
VP25 vinyl chloride pipe
(To be local procure)
Socket for VP25 vinyl chloride pipe
(To be local procure)
Align the attached hose band to the
end of hose, set the tightening
position upward, and then tighten it.
Indoor unit body
Drain pipe
connecting port
(Transparent)
Flexible hose
(Accessory)
VP25 vinyl chloride pipe
(To be local procure)
REQUIREMENT
• Be sure to perform heat insulation of the drain pipes of the indoor unit.
• Never forget to perform heat insulation of the connecting part with the indoor
unit. An incomplete heat insulation causes dewing.
• Set the drain pipe with downward slope (1/100 or more), and do not make
swelling or trap on the piping. It may cause an abnormal sound.
• For length of the traversing drain pipe, restrict to 20m or less.
In case of a long pipe, provide support brackets with interval of
1.5 to 2m in order to prevent waving.
• Set the collective piping as shown in
the right figure.
• Be sure not to apply force to the
connecting part of the drain pipe.
• The hard vinyl-chloride pipe cannot be directly connected to the drain pipe connecting port of the indoor unit.
For connection with the drain pipe connecting port, be sure to use/fix the attached flexible hose with the hose
band, otherwise a damage or water leak is caused on the drain pipe connecting port.
CAUTION
• Following the Installation Manual,
perform the drain piping work so that
water is properly drained, and apply a
heat insulation so as not to cause a dew.
Inappropriate piping work may result in
water leakage in the room and wet of
furniture.
max
45˚
Riser (Trap)
90˚ Bend
max
45˚
Flexible hose
Use the attached flexible hose to adjust core discrepancy
of the hard vinyl chloride pipe or to adjust the angle.
• Do not use the flexible hose as stretched, or do not
deform it more extent than that in the following figure.
• Be sure to fix the soft end of the flexible hose with the
attached hose band.
• Use the flexible hose on a horizontal level.
Piping/Heat insulating material
Require the following materials for piping and heat
insulating at site.
Trap
Arched
shape
Support
bracket
1/100 or more
downward
Heat
insulator
1.5m to 2m
As long as possible (10cm)
VP30 or more
Downward slope
1/100 or more
VP25
VP25
VP25
Extended
ventilating pipe
Adhesive inhibited :
Use the attached flexible hose and hose band for connecting the drain hose to the clear drain socket.
If applying the adhesive, socket will be damaged and cause water leakage.
Piping
Heat insulator
Hard vinyl chloride pipe VP25
(Outer dia. : Ø32mm)
Foam polyethylene :
Thickness 10mm or more