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5 Piping installation
Installation manual
8
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
3P482320-14U – 2021.03
INFORMATION
The sound pressure level is less than 70 dBA.
The outdoor unit is designed for outdoor installation only, and for
ambient temperatures within the following ranges:
Cooling mode
Heating mode
–10~46°C DB
–25~24°C DB
4.1.2
Additional installation site requirements
of the outdoor unit in cold climates
Protect the outdoor unit against direct snowfall and take care that the
outdoor unit is NEVER snowed up.
a
b
c
c
d
a
Snow cover or shed
b
Pedestal
c
Prevailing wind direction
d
Air outlet
It is recommended to provide at least 150 mm of free space below
the unit (300 mm for heavy snowfall areas). Additionally, make sure
the unit is positioned at least 100 mm above the maximum expected
level of snow. If necessary, construct a pedestal. See
8] for more details.
In heavy snowfall areas it is very important to select an installation
site where the snow will NOT affect the unit. If lateral snowfall is
possible, make sure that the heat exchanger coil is NOT affected by
the snow. If necessary, install a snow cover or shed and a pedestal.
4.2
Mounting the outdoor unit
4.2.1
To provide the installation structure
Use a vibration-proof rubber (field supply) in cases where vibrations
may be transmitted to the building.
Prepare 4 sets of M8 or M10 anchor bolts, nuts and washers (field
supply).
20 mm
330
524
211
(mm)
211
a
a
100 mm above expected level of snow
4.2.2
To install the outdoor unit
4× M8/M10
4.2.3
To provide drainage
NOTICE
If the unit is installed in a cold climate, take adequate
measures so that the evacuated condensate CANNOT
freeze.
INFORMATION
For information on the available options, contact your
dealer.
5
Piping installation
5.1
Preparing refrigerant piping
5.1.1
Refrigerant piping requirements
CAUTION
Piping and joints of a split system shall be made with
permanent joints when inside an occupied space except
joints directly connecting the piping to the indoor units.
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