Indoor Unit Fixing; Drainage - Toshiba MMK-AP0074MH-E Service Manual

SMMS High-Wall Type
M Left-hand connection with piping
Bend the connecting pipe so that it is laid within 43 mm above the wall surface. If the connecting pipe is laid
exceeding 43 mm above the wall surface, the indoor unit may unstably be set on the wall. To bending the
connecting pipe, use a spring bender so as not to crush the pipe.
Bend the connection pipe within a radius of 30 mm.
To connect the pipe after installation of the unit (figure)
270 mm
Liquid side
170 mm
R 30 mm (Use polish polyethylene core
or the like for bending pipe.)
Use the handle of screwdriver, etc.
NOTE
If the pipe is bent incorrectly, the indoor unit may unstably be set on the wall.
After passing the connecting pipe through the pipe hole, connect the connecting pipe to the auxiliary pipes
and wrap the facing tape around them.
CAUTION
• Bind the auxiliary pipes (two) and power supply wiring and control wiring with facing tape tightly. In case
of leftward piping and rear leftward piping, bind the auxiliary pipes (two) only with facing tape.
Auxiliary pipes
Installation plate
• Carefully arrange pipes so that any pipe does not stick out of the rear plate of the indoor unit.
• Carefully connect the auxiliary pipes and connecting pipes to one another and cut off the insulating tape
wound on the connecting pipe to avoid double-taping at the joint, moreover, seal the joint with the vinyl
tape.
• Since dew results in a machine trouble, insulate both the connecting pipes.
(Use polyethylene foam as insulating material.)
• Bend a pipe carefully. Do not crush it.
17-EN
Installation Manual
(To the fore front of flare)
Gas side
Outward form of indoor unit
Indoor unit
Power supply wiring
Control wiring
– 17 –
SMMS High-Wall Type
7.

Indoor Unit Fixing

1
Pass the pipe through the hole in the wall,
and hook the indoor unit on the installation
plate at the upper hooks.
2
Swing the indoor unit to right and left to
confirm that it is firmly hooked up on the
installation plate.
3
While pressing the indoor unit onto the wall,
hook it at the lower part on the installation
plate. Pull the indoor unit toward you to
confirm that it is firmly hooked up on the
installation plate.
Hook here
1
Installation plate
2
Hook
Press
(unhook)
• For detaching the indoor unit from the installation
plate, pull the indoor unit toward you while
pushing its bottom up at the specified parts.
Push Push
– 18 –
Installation Manual
8.

Drainage

1
Run the drain hose sloped downwards.
NOTE
• Hole should be made at a slight downward slant
on the outdoor side.
2
Put water in the drain pan and confirm that
the water is drained out of doors.
3
Before connecting extension drain hose,
insulate the connecting part of extension
drain hose with shield pipe.
Do not form the drain hose
Do not rise the drain hose.
into a wavy shape.
50 mm
or more
Do not put the Do not put the
drain hose end drain hose end
into water. in the drainage
ditch.
Shield pipe
Inside the Extension drain hose
Drain hose
room
CAUTION
Arrange the drain pipe for proper drainage from
the unit.
Improper drainage can result in dew-dropping.
This air conditioner has the structure designed to
drain water collected from dew, which forms on the
back of the indoor unit, to the drain pan.
Therefore, do not store the power cord and other
parts at a height above the drain guide.
Wall
Drain guide
Space for pipes
18-EN