1. GAS R32 WARNINGS
GAS R32 GENERAL WARNINGS
WARNING
Please read this manual carefully before
using the unit.
WARNING
Please read this manual carefully before
installing the unit.
WARNING
Please read this manual carefully before
repairing or performing maintenance on
the unit.
WARNING
This unit contains flammable R32 gas.
WARNINGS FOR R32 REFRIGERANT GAS
• The unit uses eco-friendly R32 refrigerant gas.
• The refrigerant gas is odourless.
• R32 refrigerant gas is flammable, but only in the
presence of flames.
• There is a chance of explosion but only if a certain
concentration is reached in the air.
• Smoking near the unit is prohibited.
• Provide signage prohibiting smoking near the unit.
• The flammability of the gas is very low.
• Keep the room where the unit is installed well
ventilated.
• Do not pierce or burn the unit.
• The unit cannot be placed near ignition sources such
as open flames, electric heaters, etc.
• All repairs or extraordinary maintenance operations
must be carried out by specialised technicians or
qualified personnel.
• Leak test must be done after the installation.
R32 GAS ADVANTAGES
• Compared to common refrigerants, R32 is a non-
polluting refrigerant. It causes no damage to the
ozone layer and does not add to the greenhouse
effect.
• R32 has excellent thermodynamic features that lead
to high energy efficiency.
WARNINGS FOR MAINTENANCE OR REPAIR
THESE PROCEDURES MAY ONLY BE FOLLOWED
BY SPECIALISED TECHNICIANS OR QUALIFIED
PERSONNEL.
Please follow the steps below:
1. Turn off the unit and disconnect it from the electrical
power supply.
2. Drain the refrigerant gas
3. Extract the remaining gas.
4. Clean with Nitrogen N2.
5. Ensure that there are not naked flames.
6. The refrigerant must be recycled in the special tanks.
FILLING R32 REFRIGERANT GAS
THESE PROCEDURES MAY ONLY BE FOLLOWED
BY SPECIALISED TECHNICIANS OR QUALIFIED
PERSONNEL.
• Make sure that other types of refrigerant do not
contaminate the R32.
• The gas tank must be kept in a vertical position
during filling.
• Apply the specified label to the unit after filling.
• Do not add more refrigerant gas than necessary.
• Once filling is finished, carry out the leak detection
operations before testing its functioning.
• A second check for gas leaks must be performed
once all of the previous operations are completed.
DISPOSAL OF R32 COOLANT GAS
THESE PROCEDURES MAY ONLY BE FOLLOWED
BY SPECIALISED TECHNICIANS OR QUALIFIED
PERSONNEL.
• Do not dispose of it in areas with a risk of
formation of explosive mixtures with the air. The
gas must be disposed of in a suitable torch with
an anti-flame-return device. Contact the supplier
if you need instructions for use.
SAFETY STANDARDS FOR TRANSPORTATION AND
STORAGE
• Using a suitable gas detector, check that there are
no gas leaks in the environment before opening
the packaging of the unit.
• Ensure there are no ignition sources near the unit.
• Smoking near the unit is prohibited.
• The transportation and the storage must be done
according to the current national regulations.
4
GAS R32 WARNINGS
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