ENGLISH-10
Installing the unit
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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.
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Servicing shall be performed following the controlled procedure to minimize the risk of flammable refrigerant or gases.
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Do not install where there is a risk of combustible gas leakage.
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Do not place heat sources.
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Be cautious not to generate a spark as follows:
- Do not remove the fuses with power on.
- Do not disconnect the power plug from the wall outlet with power on.
- It is recommended to locate the outlet in a high position. Place the cords so that they are not tangled.
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If the indoor unit is not R-32 compatible, an error signal appears and the unit will not operate.
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After installation, check for leakage. Toxic gas may be generated and if it comes into contact with an ignition source such
as fan heater, stove, and cooker. cylinders, make sure that only the refrigerant recovery cylinders are used.
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Never directly touch any accidental leaking refrigerant.
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This could result in severe wounds caused by frostbite.
Preparation of fire extinguisher
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If a hot work is to be done, an appropriate fire extinguishing equipment should have been available.
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A dry powder or CO2 fire extinguisher shall be equipped near the charging area.
