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6.2.2 Additional installation site requirements of the outdoor unit in cold climates
6.3 Preparing refrigerant piping
6.3.1 Refrigerant piping requirements
RZAG71~140N
Sky Air Alpha-series
4P695307-1A – 2024.02
a Baffle plate
b Prevailing wind direction
c Air outlet
Protect the outdoor unit against direct snowfall and take care that the outdoor unit
is NEVER snowed up.
c
a Snow cover or shed
b Pedestal (minimum height=150 mm)
c Prevailing wind direction
d Air outlet
Snow might build up and freeze between the heat exchanger and the casing of the
unit. This might decrease the operating efficiency. For instructions on how to
prevent this (after mounting of the unit), see
NOTICE
When operating the unit in a low outdoor ambient temperature with high humidity
conditions, make sure to take precautions to keep the drain holes of the unit free by
using the optional bottom plate heater (see
NOTICE
The piping and other pressure-containing parts shall be suitable for refrigerant. Use
phosphoric acid deoxidised seamless copper for refrigerant piping.
INFORMATION
Also read the precautions and requirements in the
precautions" [
4
▪
Foreign materials inside pipes (including oils for fabrication) must be ≤30 mg/
10 m.
When connecting multiple indoor units to the outdoor unit, mind the following:
c
"7.3.5 To provide
7].
6
Preparation
|
a
b
drainage" [
"5 About the units and
options" [
"2 General safety
Installer reference guide
4
36].
4
24]).
29
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