Mitsubishi Electric MUZ-GF60VE Service Manual page 11

MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE
MUZ-GF60
MUZ-GF71
ADDITIONAL REFRIGERANT CHARGE (R410A: g)
Outdoor unit
Model
precharged
1,550
MUZ-GF60
Calculation: X g = 20 g/m × (Refrigerant piping length (m) – 10)
Outdoor unit
Model
precharged
1,900
MUZ-GF71
Calculation: X g = 55 g/m × (Refrigerant piping length (m) – 10)
NOTE: Refrigerant piping exceeding 7 m requires additional refrigerant charge according to the calculation.
OBH635
Refrigerant piping: m
Max. Length A Max. Height difference B
30
Indoor
unit
Max. Height
difference
B
Max. Length
7 m 10 m
0
7 m 10 m
0
15
A
Outdoor unit
Refrigerant piping length (one way)
15 m
0 100
Refrigerant piping length (one way)
15 m
0 275
11
Piping size O.D: mm
Gas
15.88
20 m 25 m
200 300
20 m 25 m
550 825
Unit: mm
Liquid
6.35
9.52
30 m
400
30 m
1,100