ENGLISH-4
Safety precautions
INSTALLING THE UNIT
IMPORTANT:
When installing the unit, always remember to connect first the refrigerant tubes, then the electrical lines .
Always disassemble the electric lines before the refrigerant tubes .
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Upon receipt, inspect the product to verify that it has not been damaged during transport . If the product appears
damaged, DO NOT INSTALL it and immediately report the damage to the carrier or retailer (if the installer or the
authorized technician has collected the material from the retailer .)
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After completing the installation, always carry out a functional test and provide the instructions on how to operate the air
to water heat pump to the user .
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Do not use the air to water heat pump in environments with hazardous substances or close to equipment that release
free flames to avoid the occurrence of fires, explosions or injuries .
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While in installation or relocation of the product, do not mix the refrigerant with other gases including air or unspecified
refrigerant . Failure to do so may cause pressure increase to result in rupture or injury .
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Do not cut or burn the refrigerant container or pipings .
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Use clean parts such as manifold gauge, vacuum pump, and charging hose for the refrigerant .
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Installation must be carried out by qualified personnel for handling the refrigerant . Additionally, reference the regulations
and laws .
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Be careful not to let foreign substances (lubricating oil, refrigerant other than R-32, water, etc .) enter the pipings .
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When mechanical ventilation is required, ventilation openings shall be kept clear of obstruction .
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For disposal of the product, follow the local laws and regulations .
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Do not work in a confined place .
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The work area shall be blocked .
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The refrigerant pipings shall be installed in the position where there are no substances that may result in corrosion .
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The following checks shall be performed for installation:
- The ventilation devices and outlets are operating normally and are not obstructed .
- Markings and signs on the equipment shall be visible and legible .
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Upon leakage of the refrigerant, ventilate the room . When the leaked refrigerant is exposed to flame, it may cause
generation of toxic gases .
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Make sure that the work area is safe from flammable substances .
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To purge air in the refrigerant, be sure to use a vacuum pump .
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Note that the refrigerant has no odour .
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The units are not explosion proof so they must be installed with no risk of explosion .
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This product contains fluorinated gases that contribute to global greenhouse effect . Accordingly, do not vent gases into
the atmosphere .
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For installation with handling the refrigerant(R-32), use dedicated tools and piping materials .
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Servicing and installation shall be performed as recommended by the manufacturer . In case other skilled persons are
joined for servicing, it shall be carried out under supervision of the person who is competent in handling flammable
refrigerants .
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For servicing the units containing flammable refrigerants, safety checks are required to minimise the risk of ignition .
