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Specific installer safety instructions
Installer and user reference guide
14
REMA5+REYA8~20A7Y1B
VRV 5 heat recovery
4P687640-1 – 2022.07
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover is removed.
Mounting the outdoor unit (see
"17.3 Mounting the outdoor unit"
)
WARNING
Fixing method of the outdoor unit MUST be in accordance with the instructions from
this manual. See
"17.3 Mounting the outdoor unit"
78].
Connecting the refrigerant piping (see
"18.2 Connecting the refrigerant
WARNING
The field piping method MUST be in accordance with the instructions from this
manual. See
80].
NOTICE
▪
Do NOT use mineral oil on flared part.
▪
Do NOT reuse piping from previous installations.
▪
NEVER install a drier to this unit to guarantee its lifetime. The drying material may
dissolve and damage the system.
CAUTION
Install the refrigerant piping or components in a position where they are unlikely to
be exposed to any substance which may corrode components containing refrigerant,
unless the components are constructed of materials that are inherently resistant to
corrosion or are suitably protected against corrosion.
WARNING
Take sufficient precautions in case of refrigerant leakage. If refrigerant gas leaks,
ventilate the area immediately. Possible risks:
▪
Excessive refrigerant concentrations in a closed room can lead to oxygen
deficiency.
▪
Toxic gas might be produced if refrigerant gas comes into contact with fire.
WARNING
ALWAYS recover the refrigerant. Do NOT release them directly into the environment.
Use a vacuum pump to evacuate the installation.
WARNING
During tests, NEVER pressurise the product with a pressure higher than the
maximum allowable pressure (as indicated on the nameplate of the unit).
CAUTION
Do NOT vent gases into the atmosphere.
