■ Refrigerant _ R290
• The refrigerant R290 has a lower GWP(Global Warming Potential)value than R32.
The Ozone Depletion Potential (ODP) of R290 is 0, and Global Warming Potential(GWP) is 3.
• Refrigerant piping consists of copper/steel pipes, joints, and other fittings. All components must be selected and installed
in conformity with the standards pertaining to the Refrigeration Safety Regulation.
• Same piping as for R32 can be used.
< ! > WARNING
• This product contains flammable gases (Refrigerant type : R290).
DO NOT emit refrigerant gases into the atmosphere.
• The refrigerant R290 has Higher Flammability than R32. But It does not leak normally. If the refrigerant leaks in the installed
place and contact with burning energy, it may cause fire, or a harmful gas.
• If there is some leak, turn off any combustion devices, ventilate the installed place, and contact the dealer from which
you purchased the unit. Do not use the unit until the refrigerant leaked is repaired.
• Only use R290 as refrigerant. Other substances may cause explosions and accidents.
< ! > CAUTIONS
• The wall thickness of the piping should comply with the relevant local and national regulations for the designed pressure.
• Any unapproved pipe must not be used.
• Do not heat pipes more than necessary to prevent them from softening.
Installation of Outdoor Unit
1. Information for Refrigerant
Installation
1
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