Drainage; Outdoor Unit; Installation Place; Precautions About Installation In Regions With Snowfall And Cold Temperatures - Toshiba RAS-25S4KVPG-ND Installation Manual

Drainage

1. Run the drain hose sloped downwards.
NOTE
• The hole should be made at a slight downward slant on the outdoor side.
Do not rise the
drain hose.
50 mm
or more
Do not put the
drain hose end
into water.

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-25S4AVPG-ND
Chargeless
Maximum length
Additional refrigerant
charging (20 g / 1 m)
Maximum refrigerant
charging
• The allowable height of outdoor unit installation site.
Model RAS-25S4AVPG-ND
Maximum height
• 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.
Do not form the
drain hose into
a wavy shape.
Do not put the
drain hose end in the
drainage ditch.

OUTDOOR UNIT

OUTDOOR UNIT
RAS-35S4AVPG-ND
up to 15 m up to 15 m
25 m 25 m
16 - 25 m 16 - 25 m
(20 g / 1 m)
1.35 kg 1.40 kg
RAS-35S4AVPG-ND
15 m 15 m
2. Put water in the drain pan and make sure that the water is drained out of
doors.
3. When connecting extension drain hose, insulate the connecting part of
extension drain hose with shield pipe.
Shield pipe
Inside the room
Drain hose
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.
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
Snow accumulation line
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
11
Extension drain hose
Space for pipes
Snow protection plate
Install at least 50 cm
Snow protection hood
above the snow
accumulation line.
At least
50 cm
Holding frame
Strong
wind
EN
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FR
Wall
Drain
guide
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