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Installation Place
• A place which provides the spaces around the outdoor unit as shown in
the 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 a leakage 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.
• The allowable length of the connecting pipe.
Model
RAS-10S4AVPG-E RAS-13S4AVPG-E RAS-18S4AVPG-E
Chargeless
up to 15 m
Maximum length
25 m
Additional refrigerant
16 - 25 m
charging
(20 g / 1 m)
Maximum refrigerant
1.16 kg
charging
• The allowable height of outdoor unit installation site.
Model
RAS-10S4AVPG-E RAS-13S4AVPG-E RAS-18S4AVPG-E
Maximum height
15 m
• A place where the drain water does not raise any problems or with good
drainage.
• A place where it can be installed horizontally.
Precautions for adding refrigerant
Use a scale having a precision with at least 10 g per index line when adding
the refrigerant.
Do not use a bathroom scale or similar instrument.
CAUTION
When the outdoor unit is installed in a place where the drain water might
cause any problems, Seal the water leakage point tightly using
a silicone adhesive or caulking compound.
OUTDOOR UNIT
up to 15 m
up to 15 m
25 m
25 m
16 - 25 m
16 - 25 m
(20 g / 1 m)
(20 g / 1 m)
1.16 kg
1.16 kg
15 m
15 m
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.
Front
Anchor
bolts
CAUTION
1. Install the outdoor unit without anything blocking the air discharging.
2. When the outdoor unit is installed in a place 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 windshield.
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 sulfi de gas.
• A place where high-frequency
waves are likely to be generated
as from audio equipment, welders,
and medical equipment.
12
Snow protection plate
Install at least 50 cm
Snow protection hood
above the snow
accumulation line.
At least
50 cm
Snow accumulation line
Holding frame
Strong
wind
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