17 | Unit installation
Installer and user reference guide
79
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1D – 2023.02
â–ª Install the unit on a base to make sure that there is proper drainage in order to
avoid ice accumulation.
â–ª Prepare a water drainage channel around the foundation to drain waste water
away from the unit.
â–ª Avoid drain water flowing over the footpath, so that it does NOT become slippery
in case of ambient freezing temperatures.
▪ If you install the unit on a frame, install a waterproof plate within 150mm of the
bottom side of the unit in order to prevent water from getting into the unit and
to avoid drain water dripping (see the following figure).
INFORMATION
If necessary, you can use a drain pan (field supply) to prevent drain water from
dripping.
NOTICE
If the unit CANNOT be installed fully level, always make sure that the inclination is
towards the backside of the unit. This is required to guarantee proper drainage.
NOTICE
If drain holes of the outdoor unit are covered by a mounting base or by floor surface,
raise the unit to provide a free space of more than 150mm under the outdoor unit.
Drain holes (dimensions in mm)
A
171 171758
43
48
288
451
613
776
408
414
349
214
111
(480~490)
107
B
B
C
D
=
E
A Discharge side
B Distance between anchor points
C Bottom frame
D Drain holes
E Knockout hole for snow
Snow
In regions with snowfall, snow might build up and freeze between the heat
exchanger and the casing of the unit. This might decrease the operating efficiency.
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