Daikin VRV 5-S Series, Installer And User Reference Manual

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3 | Specific installer safety instructions
Installer and user reference guide
18
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
WARNING
If one or more rooms are connected to the unit using a duct system, make sure:
▪
there are no operating ignition sources (example: open flames, an operating gas
appliance or an operating electric heater) in case the floor area is less than the
minimum floor area A (m²).
▪
no auxiliary devices, which may be a potential ignition source, are installed in the
duct work (example: hot surfaces with a temperature exceeding 700°C and
electric switching device);
▪
only auxiliary devices approved by the manufacturer are used in the duct work;
▪
air inlet AND outlet are connected directly to the same room by ducting. Do NOT
use spaces such as a false ceiling as a duct for the air inlet or outlet.
See "3.1.3 To determine the charge limitations" [
4
23] to check if your system
meets the requirement for charge limitation.
NOTICE
▪
Precautions shall be taken to avoid excessive vibration or pulsation to
refrigeration piping.
▪
Protection devices, piping and fittings shall be protected as far as possible against
adverse environmental effects.
▪
Provision shall be made for expansion and contraction of long runs of piping.
▪
Piping in refrigerating systems shall be designed and installed such as to minimise
the likelihood of hydraulic shock damaging the system.
▪
The indoor equipment and pipes shall be securely mounted and guarded such
that accidental rupture of equipment or pipes cannot occur from 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 which have been used already.
▪
Joints made in installation between parts of refrigerant system shall be accessible
for maintenance purposes.
3.1.1 Installation space requirements
WARNING
If the appliance contains R32 refrigerant, the floor area of the room in which the
appliance is stored shall be at least 98.3 m².
NOTICE
▪
Pipework shall be protected from physical damage.
▪
Installation of pipework shall be kept to a minimum.