Mitsubishi Electric MUZ-GL09NA-U1 Service Manual page 24

NOTE: Refrigerant piping exceeding 25 ft. requires additional refrigerant charge according to the calculation.
Outdoor unit
Model
precharged
MUZ-GL18NA
3 lb. 9 oz.
MUZ-GL18NAH
MUY-GL18NA
NOTE: Refrigerant piping exceeding 33 ft. requires additional refrigerant charge according to the calculation.
Outdoor unit
Model
precharged
MUZ-GL24NA
4 lb. 3 oz.
MUZ-GL24NAH
MUY-GL24NA
OBH733D
Refrigerant piping length (one way): ft.
25 30 40
0 1.08 3.24
Calculation: X oz. = 1.08/5 oz./ft. × (Refrigerant piping length (ft.) - 25)
Refrigerant piping length (one way): ft.
33 40 50
0 4.14 10.06
Calculation: X oz. = 2.96/5 oz./ft. × (Refrigerant piping length (ft.) - 33)
24
50 60 70
5.40 7.56 9.72
60 70
15.98 21.90
80 90 100
11.88 14.04 16.20
80 90 100
27.82 33.74 39.66