MITSUBISHI ELECTRIC P500YMF-C - Manual (Page 146)

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Start
Test run all indoor units.
Is the refrigerant
composition of
α
OC
correct? (Note 2)
Finished checking the
composition.
Check TH2, TH9, LPS and the CS
circuit block and correct any malfunc-
tions. (Note 3)
Is the
refrigerant composi-
tion of
α
OC 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
α
OC. (Note 6)
Are all units operating
stably? (Note 1)
9 CHECK THE COMPOSITION OF THE REFRIGERANT