21
Refrigerant Piping
Max. length
A
w
Height difference should be within 15m regardless of which unit, indoor or outdoor position is high.
w
Max. Height
difference 15m
Indoor
unit
Outdoor unit
(SLZ/SEZ)
MAX. HEIGHT DIFFERENCE
MAX. REFRIGERANT PIPING LENGTH
Refrigerant piping
Max. length : m
A
30
Gas
12.7
15.88
Liquid
6.35
9.52
SUZ-KA50VA.TH
SUZ-KA60VA.TH
SUZ-KA71VA.TH
Model
Piping size O.D : mm
Refrigerant piping length (one way)
Outdoor unit
precharged
15m
160
160
20m
260
260
25m
360
360
30m
460
460
7m
0
0
10m
60
60
Model
SUZ-KA50VA.TH
SUZ-KA60VA.TH
1,600
1,800
ADDITIONAL REFRIGERANT CHARGE(R410A : g)
Calculation : Xg=20g/m
✕
(Refrigerant piping length (m)–7)
SUZ-KA50VA.TH
SUZ-KA60VA.TH
SUZ-KA71VA.TH
Outdoor unit
precharged
2,000
0
165
440
715
990
1,265
Refrigerant piping length (one way)
15m
10m
7m
Model
SUZ-KA71VA.TH
20m
25m
30m
Calculation : Xg=55g/m
o
(Refrigerant piping length(m)-7)
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