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Specific installer safety instructions
Installer reference guide
16
3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
4P600463-1C – 2020.08
3 Specific installer safety instructions
Always observe the following safety instructions and regulations.
Unit installation (see
)
WARNING
Installation shall be done by an installer, the choice of materials and installation shall
comply with the applicable legislation. In Europe, EN378 is the applicable standard.
"6.1 Preparing the installation site"
)
CAUTION
▪
Check if the installation location can support the unit's weight. Poor installation is
hazardous. It can also cause vibrations or unusual operating noise.
▪
Provide sufficient service space.
▪
Do NOT install the unit so that it is in contact with a ceiling or a wall, as this may
cause vibrations.
WARNING
The appliance shall be stored in a room without continuously operating ignition
sources (example: open flames, an operating gas appliance or an operating electric
heater).
)
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover is removed.
DANGER: RISK OF BURNING/SCALDING
DANGER: RISK OF ELECTROCUTION
Connecting the refrigerant piping (see
"7.2 Connecting the refrigerant
CAUTION
▪
No brazing or welding on site for units with R32 refrigerant charge during
shipment.
▪
During installation of the refrigeration system, joining of parts with at least one
part charged shall be performed taking into account the following requirements:
ð
inside occupied spaces non permanent joints are not allowed for R32 refrigerant
except for site made joints directly connecting the indoor unit to piping. Site
made joints directly connecting piping to indoor units shall be of non permanent
type.
CAUTION
Do NOT connect the embedded branch piping and the outdoor unit when only
carrying out piping work without connecting the indoor unit in order to add another
indoor unit later.
