Toshiba RAS-10S3AV-E Service Manual page 57

10-4. Outdoor Unit
10-4-1. Installation place
• A place which provides the spaces around the
outdoor unit as shown in the left diagram.
• A place which can bear the weight of the outdoor
unit and does not allow an increase in noise level
and vibration.
• A place where the operation noise and discharged
air do not disturb your neighbors.
• A place which is not exposed to a strong wind.
• A place free of combustible gases.
• A place which does not block a passage.
• When the outdoor unit is to be installed in an
elevated position, be sure to secure its feet.
• An allowable length and height, please refer
form 1. SPECIFICATIONS.
• A place where the drain water does not raise any
problem.
10-4-2. Precautions about Installation in
Regions with Snowfall and Cold Temperatures
 Do not use the supplied drain nipple for draining water.
Drain the water from all the drain holes directly.
 To protect the outdoor unit from snow accumulation,
install a holding frame, and attach a snow protection
hood and plate.
 Do not use a double-stacked design.
Snow protection plate
Front
Snow protection hood
At least
50 cm
Snow accumulation line
Anchor
bolts
Fig. 10-41
Install at least 50 cm
above the snow
accumulation line.
Holding frame
CAUTION
1. Install the outdoor unit without anything blocking
the air discharging.
2. When the outdoor unit is installed in a place
exposed always exposed to strong wind like a
coast or on a high storey of a building, secure
the normal fan operation using a duct or a wind
shield.
3. In particularly windy areas, install the unit such
as to avoid admission of wind.
4. Installation in the following places may result in
trouble.
Do not install the unit in such places.
• A place full of machine oil.
• A saline-place such as the coast.
• A place full of sulfide gas.
• A place where high-frequency waves are likely
to be generated as from audio equipment,
welders, and medical equipment.
10-4-3. Refrigerant piping connection
<Flaring>
1. Cut the pipe with a pipe cutter.
90°
2. Insert a flare nut into the pipe, and flare the pipe.
· Projection margin in flaring : A (Unit : mm)
Rigid (Clutch type)
Outer dia.
of copper pipe
∅ 6.35
∅ 9.52
– –
56
FILE NO. SVM-15001
Strong
wind
Fig. 10-4-2
Roughness
Obliquity
Fig. 10-4-3
A
Die
Pipe
Fig. 10-4-4
R410A Conventional
tool used
0 to 0.5
0 to 0.5
Warp
tool used
1.0 to 1.5
1.0 to 1.5