Mitsubishi Electric MUFZ-KW25VG-E1 Service Manual page 14

MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE
Model
MUFZ-KW25VGHZ
MUFZ-KW35VGHZ
MUFZ-KW50VGHZ
MUFZ-KW60VGHZ
ADDITIONAL REFRIGERANT CHARGE (R32: g)
Outdoor unit
Model
precharged
MUFZ-KW25VGHZ
MUFZ-KW35VGHZ
Calculation: X g = 20 g/m × (Refrigerant piping length(m) - 7)
Outdoor unit
Model
precharged
MUFZ-KW50VGHZ
MUFZ-KW60VGHZ
Calculation: X g = 20 g/m × (Refrigerant piping length (m) – 7)
OBH895
Refrigerant piping: m
Max. Height difference B
Max. Length A
20
30
Indoor
unit
Max. Height
difference
B
Max. Length
7 m 8 m 9 m 10 m 11 m 12 m 13 m 14 m 15 m 16 m 17 m 18 m 19 m 20 m
0 20 40
1,000
7 m 8 m
1,300 0 20
12
15
A
Outdoor unit
Refrigerant piping length (one way)
60 80 100 120 140
Refrigerant piping length (one way)
9 m 10 m 15 m
40 60 160
14
Piping size O.D: mm
Gas Liquid
9.52 6.35
12.7 6.35
160 180 200 220 240
20 m 25 m
260 360
260
30 m
460