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 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.
•
An allowable height level is up to 10 m.
•
A place where the drain water does not raise any
problem.
CAUTION
•
An allowable length of the connecting pipe
up to 20 m.
•
This air conditioner accepts a connection piping
length of up to 20 m.
•
there is no need to add refrigerant as long as
the lendth of the connection piping 15 m or less.
•
You will need to add 20 g of refrigerant per meter
of added connection piping for installations
requiring connection piping to be between 16 m
to 20 m.
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
∗
Do not use a double-stacked desing.
hood and plate.
Snow protection plate
Snow protection hood
At least 50 cm
Snow accumulation line
Holding frame
Front
Anchor bolts
Install at least 50 cm
above the snow
accumulation line.
CAUTION
1. Insall the outdoor unit in a location where there are
no obstructions near its air intake or air outlet.
2.
When the outdoor unit is installed in a place that
is always exposed to strong wind like on the coast
or on a high story of a building, secure the normal
fan operation using a duct or a wind shield.
3. Especially in windy areas, insall the unit to
prevent the 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, such as from audio equipment,
welders, and medical equipment.
Fig. 10-4-1
Strong
wind
Fig. 10-4-2
90
°
Roughness Warp
Obliquity
1. Cut the pipe with a pipe cutter.
Fig. 10-4-3
2. Insert a flare nut into the pipe, and flare the pipe.
•
Projection margin in flaring : A (Unit : mm)
10-4-3. Refrigerant piping connection
<Flaring>
Outer dia.
A
of copper pipe
Rigid
Imperial
∅
6.35
0
to
0.5
1.0 to 1.5
∅
12.70
0
to
0.5
1.0 to 1.5
Rigid (cluch type)
FILE NO. SVM-12056
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59
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Summary of Contents for RAS-18N3AV2-E
Page 108: ...TOSHIBA CARRIER THAILAND CO LTD ...
