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Installation space requirements
To determine the minimum floor area
2MXM40+50A
R32 Split series
4P600463-4E – 2021.12
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.
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 and copper gaskets which have been used already.
▪
Joints made in installation between parts of refrigerant system shall be accessible
for maintenance purposes.
WARNING
If appliances contain R32 refrigerant, the floor area of the room in which the
appliances are installed, operated and stored MUST be larger than the minimum
floor area defined in table below A (m
▪
Indoor units without a refrigerant leakage sensor; in case of indoor units with
refrigerant leakage sensor, consult the installation manual
▪
Outdoor units installed or stored indoors (e.g. winter garden, garage, machinery
room)
NOTICE
▪
Pipework shall be protected from physical damage.
▪
Installation of pipework shall be kept to a minimum.
1 Determine the total refrigerant charge in the system (= factory refrigerant
charge
+
additional refrigerant amount charged).
2
General safety precautions
|
2
). This applies to:
Installer reference guide
9
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