Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
NO
YES
YES
Collect refrigerant and recharge
a proper amount of refrigerant
after vacuum drying.
Check the inter-unit wiring and piping
between the indoor and outdoor units.
NO
Match wiring and piping
connection.
Check the refrigerant piping
system for clogging.
CHECK 9
CHECK 9
Is
the refrigerant amount
proper?
Check for refrigerant shortage.
Is wiring and piping
connection matched?
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