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Start
Test run all indoor units.
Is the refrigerant
composition of αOC
correct? (Note 2)
Finished checking the
composition.
Check TH2, TH9, LPS and the CS
circuit block and correct any malfunc-
tions. (Note 3)
I
s the
refrigerant composi-
tion of αOC correct?
(Note 2)
Finished checking the
composition.
Check that
R407 is correctly
charged.
(Note 4)
Recharge the refrigerant.
(Note 5)
Finished checking the
composition.
Calibrate the refrigerant composition
of αOC. (Note 6)
Are all units operating
stably? (Note 1)
9 CHECK THE COMPOSITION OF THE REFRIGERANT