Daikin RXA20A5V1B9, Installation Manual

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4 Unit installation
Installation manual
7
RXA-A9, RXM-R9, ARXM-R9
R32 Split system air conditioners
3P650253-1S – 2022.11
NOTICE
The height of the wall on the outlet side of the outdoor unit
MUST be ≤1200 mm.
It is recommended to install a baffle plate when the air outlet is
exposed to wind.
It is recommended to install the outdoor unit with the air inlet facing
the wall and NOT directly exposed to the wind.
Do NOT install the unit in sound sensitive areas (e.g. near a
bedroom), so that the operation noise will cause no trouble.
Note: If the sound is measured under actual installation conditions,
the measured value might be higher than the sound pressure level
mentioned in "Sound spectrum" in the data book due to
environmental noise and sound reflections.
INFORMATION
The sound pressure level is less than 70 dBA.
The outdoor unit is designed for outdoor installation only and for
ambient temperatures specified in the table below (unless otherwise
specified in the operation manual of the connected indoor unit).
Model Cooling Heating
RXM-R9, ARXM-R9 –10~50°C DB –20~24°C DB
RXA-A9 –10~46°C DB –15~24°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
"4.2 Mounting
the outdoor unit" [
4
7] 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
311
574
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.
NOTICE
If the drain holes of the outdoor unit are blocked up by a
mounting base or floor surface, place additional foot bases
≤30 mm under the outdoor unit's feet.