Mitsubishi Electric CITY MULTI PQRY-P200YMF-C Service Handbook page 52

(6) Judgement of refrigerant amount
80
60
40
20
0
20
100
80
60
40
20
0
-30
Cooling Mode
AL=0
AL=1
AL=2
40 60
F(Hz)
Heating Mode
AL=1
AL=2
-20 -10 0
Te(°C)
80 100
AL=0
10 20 30
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