3 | Specific installer safety instructions
Installer and user reference guide
19
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752782-1A – 2024.02
WARNING
Make sure installation, servicing, maintenance and repair comply with instructions
from Daikin and with applicable legislation (for example national gas regulation) and
are executed ONLY by authorised persons.
WARNING
▪ Take precautions to avoid excessive vibration or pulsation to refrigeration piping.
▪ Protect the protection devices, piping and fittings as much as possible against
adverse environmental effects.
▪ In case of direct connection to the outdoor unit, ALWAYS support the piping at
distances of 1m and 2m from the indoor unit and/or SV unit.
▪ Provide space for expansion and contraction of long runs of piping.
▪ Design and install piping in refrigerating systems such as to minimise the
likelihood of hydraulic shock damaging the system.
▪ Mount the indoor equipment and pipes securely and protect them to avoid
accidental rupture of equipment or pipes in case of events such as moving
furniture or reconstruction activities.
CAUTION
Do NOT use potential sources of ignition in searching for or detection of refrigerant
leaks.
NOTICE
▪ Do NOT re-use joints and copper gaskets which have been used already.
▪ Joints made in the installation between parts of the refrigerant system shall be
accessible for maintenance purposes.
See "To determine the charge limit" [4 73] to check if your system meets the
requirement for charge limitation.
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