–144–
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
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
Summary of Contents for CITY MULTI P500YMF-C
Page 2: ......
Page 15: ... 13 CNFAN CNPOW CNFC2 CN15V1 CNDR1 CNIPM1 CNE CNDC1 FANCON board G A board ...
Page 16: ... 14 Y C board SNB board ...
Page 18: ... 16 RELAY 10 board RELAY 4 board ...
Page 22: ... 20 3 Electrical Wiring Diagram PURY P400 500YMF C ...
Page 91: ... 89 Motor Compressor G A board Red U V W N P White Black Black Capacitor C2 C3 Red IPM ...