Mitsubishi Electric MUZ-FH25VEHZ Service Manual page 12

MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFEFRENCE
Model
MUZ-FH25/35
MUZ-FH50
ADDITIONAL REFRIGERANT CHARGE (R410A: g)
Outdoor unit
Model
precharged
MUZ-FH25/35 1,150
Calculation: X g = 30 g/m × (Refrigerant piping length (m) - 7)
Outdoor unit
Model
precharged
MUZ-FH50 1,550
Calculation: X g = 20 g/m × (Refrigerant piping length (m) – 7)
OBH625A
Refrigerant piping: m
Max. Length A Max. Height difference B
20
30
Indoor
unit
Max. Height
difference
B
Max. Length
7 m 8 m
0 30
7 m 10 m
0
12
15
A
Outdoor unit
Refrigerant piping length (one way)
9 m 10 m 11 m
60 90 120
Refrigerant piping length (one way)
15 m
60 160
12
Piping size O.D: mm
Gas
9.52
12.7
12 m 13 m 14 m
150 180 210
20 m 25 m
260 360
Liquid
6.35
6.35
15 m 20 m
240 390
30 m
460