Toshiba RAV-GM302ATP-E Service Manual page 34

Placement
Term
location
1 month or more
Outdoors Less than
1 month
Indoors Every time
6-6-4. Final Installation Checks
Are there scratches or dents on the existing pipes?
Is it possible to operate the existing air conditioner?
• 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
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 attacheindoor/outdoor units. (Do not
existing pipe.)
• Re-machine the flare machining size to size for R32.
• (Airtight test), Vacuum dry, Refrigerant charge, Gas
leak check
Curing manner
Pinching
Pinching or
Taping
NO
YES
NO
Test run
YES
Existing pipes: Cannot be used.
• Use new pipes.
NO
YES
Clean the pipes or use new pipes.
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