Drain Piping - Toshiba MMU-AP0154SH-E Installation Manual

SMMS 1-Way Cassette SH Type
Installation of ceiling panel
(sold separately)
Install the ceiling panel according to Installation
Manual attached with it after piping / wiring work has
completed.
Check that installation of indoor unit and ceiling
opening part is correct, and then install it.
REQUIREMENT
• Joint the connecting sections of ceiling panel, ceiling
surface, ceiling panel and indoor unit closely.
Any gap between them will cause air leakage and the
generate condensation or water leakage.
• Remove the adjust cover (left and right) of the ceiling
panel, and then install the ceiling panel onto the indoor
unit.
Installation of remote
controller (Sold separately)
For installation of the wired remote controller, follow the
Installation Manual attached with the remote controller.
• Pull out the remote controller cord together with the
refrigerant pipe or drain pipe.
Pass the remote controller cord through upper side
of the refrigerant pipe and drain pipe.
• Do not leave the remote controller at a place
exposed to the direct sunlight and near a stove.
15-EN
Installation Manual
SMMS 1-Way Cassette SH Type
5

Drain Piping

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
drop.
Inappropriate piping work may result in water
leakage in the room and wet of furniture.
Piping / heat insulating
material
Require the following materials for piping and heat
insulating at site.
Piping
Heat insulator
Flexible hose
Use the attached flexible hose to adjust center
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.
• Fix the soft end of the flexible hose with the attached
hose band.
• Use the flexible hose on a horizontal level.
OK
Upper side
Side face
– 8 –
REQUIREMENT
• Perform heat insulation of the drain pipes of the indoor
unit.
• Perform heat insulation of the connecting part with the
indoor unit.
An incomplete heat insulation causes dew drop.
• 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 20 m
or less.
In case of a long pipe, provide support brackets with
interval of 1.5 - 2 m in order to prevent waving.
Hard vinyl chloride pipe VP25
Heat insulator
(Outer dia.: Ø32 mm)
Foam polyethylene:
Thickness 10 mm or more
• Set the collective piping as shown in the below figure.
As long as possible (100 mm)
• Do not apply force to the connecting part of the drain
NO GOOD
pipe.
Max • The hard vinyl-chloride pipe cannot be directly
45° Side face
connected to the drain pipe connecting port of the
Riser (Trap)
indoor unit.
Max
For connection with the drain pipe connecting port, fix
45°
the attached flexible hose with the hose band,
Side face
otherwise a damage or water leak is caused on the
90° Bend
drain pipe connecting port.
Installation Manual
Support
1.5 - 2 m
bracket
1/100 or more
downward
Arched
NO
shape
GOOD
Trap
VP25 VP25 VP25
VP30 or more
Downward slope
1/100 or more
EN
16-EN