4 About the system
Installation and operation manual
7
FXSN50~112A2VEB
CO
₂
Conveni-Pack: indoor unit
4P602815-1F – 2021.07
DANGER: RISK OF
ELECTROCUTION
To clean the air conditioner or air filter,
be sure to stop operation and turn all
power supplies OFF. Otherwise, an
electrical shock and injury may result.
WARNING
Be careful with ladders when working
in high places.
WARNING
Do NOT let the indoor unit get wet.
Possible consequence:
Electrical
shock or fire.
About the refrigerant (see
WARNING
▪ Do NOT pierce or burn refrigerant
cycle parts.
▪ Be aware that the refrigerant inside
the system is odourless.
WARNING
The R744 refrigerant (CO
2
) inside the
unit is odourless, non-flammable and
normally does NOT leak.
ALWAYS install a CO
2
detector
according to the specifications of
standard EN378.
If the refrigerant leaks in high
concentrations in the room, it may have
negative effects on its occupants such
as asphyxiation and carbon dioxide
poisoning. Ventilate the room and
contact the dealer where you
purchased the unit (see
10]).
Do NOT use the unit until a service
person confirms that the part from
which the refrigerant leaked has been
repaired.
Troubleshooting (see
10])
WARNING
Stop operation and shut OFF the
power if anything unusual occurs
(burning smells etc.).
Leaving the unit running under such
circumstances may cause breakage,
electrical shock or fire. Contact your
dealer.
4
About the system
NOTICE
The appliance shall be stored so as to prevent mechanical
damage.
The indoor units can be used for heating/cooling applications.
WARNING
Do NOT modify, disassemble, remove, reinstall or repair
the unit yourself as incorrect dismantling or installation may
cause an electrical shock or fire. Contact your dealer.
NOTICE
Do NOT use the system for other purposes. In order to
avoid any quality deterioration, do NOT use the unit for
cooling precision instruments, food, plants, animals, or
works of art.
NOTICE
For future modifications or expansions of your system:
A full overview of allowable combinations (for future
system extensions) is available in technical engineering
data and should be consulted. Contact your installer to
receive more information and professional advice.
CAUTION
If this unit is equipped with an electrically powered safety
measure, such as a CO
2
refrigerant leak detector (field
supply), in order to be effective, the unit must be
electrically powered at all times after installation, except for
short service periods.
4.1
System layout
INFORMATION
The following illustration is an example and might NOT
match your system layout.
