Daikin FXSN71A2VEB [4/24] Specific installer safety instructions
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Daikin FXSN71A2VEB [4/24] Specific installer safety instructions

Daikin FXSN71A2VEB [4/24] Specific installer safety instructions
2 Specific installer safety instructions
Installation and operation manual
4
FXSN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
4P602815-1D – 2020.07
2 Specific installer safety
instructions
Always observe the following safety instructions and regulations.
CAUTION
Do NOT insert fingers, rods or other objects into the air
inlet or outlet. When the fan is rotating at high speed, it will
cause injury.
General installation requirements
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.
WARNING
▪ Make sure to install all necessary countermeasures in
case of refrigerant leakage according to standard
EN378 (see "11.1.2 Additional installation site
requirements for CO₂ refrigerant"[413]).
▪ Make sure to install a CO
2
leak detector (field supply)
and enable the function for refrigerant leak detection
(see "15.1Field setting"[421]).
WARNING
Make sure installation, servicing, maintenance, repair and
applied materials follow the instructions from Daikin and, in
addition, comply with applicable legislation and are
performed by qualified persons only. In Europe and areas
where IEC standards apply, EN/IEC 60335-2-40 is the
applicable standard.
Installation site (see "11.1Preparing the installation
site"[
4
12])
CAUTION
Appliance not accessible to the general public, install it in a
secured area, protected from easy access.
This unit, both indoor and outdoor, is suitable for
installation in a commercial and light industrial
environment.
WARNING
Do NOT place objects below the indoor and/or outdoor unit
that may get wet. Otherwise condensation on the main unit
or refrigerant pipes, air filter dirt or drain blockage may
cause dripping, and objects under the unit may get dirty or
damaged.
WARNING
Install the unit only in locations where the doors of the
occupied space are not tight fitting.
WARNING
When using safety shut-off valves, make sure to install
measures such as a bypassing piping with a pressure relief
valve (from liquid pipe to gas pipe). When the safety shut-
off valves close and no measures are installed, increased
pressure may damage the liquid piping.
Installing the ducting (see "11.2.2Guidelines when installing
the ducting"[
4
15])
CAUTION
▪ Make sure the installation of the duct does NOT exceed
the setting range of the external static pressure for the
unit. Refer to the technical datasheet of your model for
the setting range.
▪ Make sure to install the canvas duct so vibrations are
NOT transmitted to the duct or ceiling. Use a sound-
absorbing material (insulation material) for the lining of
the duct and apply vibration insulation rubber to the
hanging bolts.
▪ When welding, make sure NOT to spatter onto the
drain pan or the air filter.
▪ If the metal duct passes through a metal lath, wire lath
or metal plate of the wooden structure, separate the
duct and wall electrically.
▪ Install the outlet grille in a position where the airflow will
not come into direct contact with people.
▪ Do NOT use booster fans in the duct. Use the function
to adjust the fan rate setting automatically (see
"15.1Field setting"[421]).
Refrigerant piping installation (see "12Piping
installation"[
4
17])
CAUTION
Do NOT reuse piping from previous installations.
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
▪ Use K65 piping for high-pressure applications with a
working pressure of 120bar or 90bar, depending on its
location in the system.
▪ Use K65 unions and fittings approved for a working
pressure of 120bar or 90bar, depending on its location
in the system.
▪ Only brazing is allowed for connection of pipes. No
other types of connections are allowed.
▪ Expanding of pipes is not allowed.
Electrical installation (see "13Electrical installation"[
4
18])
WARNING
▪ If the power supply has a missing or wrong N-phase,
equipment might break down.
▪ Establish proper earthing. Do NOT earth the unit to a
utility pipe, surge absorber, or telephone earth.
Incomplete earthing may cause electrical shock.
▪ Install the required fuses or circuit breakers.
▪ Secure the electrical wiring with cable ties so that the
cables do NOT come into contact with sharp edges or
piping, particularly on the high-pressure side.
▪ Do NOT use taped wires, stranded conductor wires,
extension cords, or connections from a star system.
They can cause overheating, electrical shock or fire.

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