
1 month or more
Pinching
Indoors
Every time
6-6-5. Final Installation Checks
Placement
location
Term
Curing manner
Outdoors
Less than
1 month
Pinching or
Taping
Are there scratches or dents on the existing pipes?
Is it possible to operate the existing air conditioner?
Was largely discolored ora large quantity of remains
discharged? (When the oil deteriorates, the color of
the oil changes to a muddy or black color.)
Connect the indoor/outdoor units to the existing pipe.
• Use a flare nut
attacher
indoor/outdoor units. (Do not
existing pipe.)
• Re-machine the flare machining size to size for R32.
• After the existing air conditioner is operated in cooling
mode for approx. 30 minutes or longer,* recover the
refrigerant
• For cleaning the pipes and recovering oil
• Refrigerant recovery: Pump down method
Existing pipes: Cannot be used.
• Use new pipes.
Clean the pipes or use new pipes.
YES
YES
YES
NO
NO
NO
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