10
OCH688A
Max. Length
A
Max. Height
difference
B
Indoor
unit
Outdoor unit
MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE
Model
Refrigerant piping: ft.
Piping size O.D: in.
Max. Length
A
Max. Height difference
B
Gas
Liquid
SUZ-KA18/NA(H)2
100
50
1/2 1/4
SUZ-KA24/30/36
NA(H)2
100
5/8
3/8
ADDITIONAL REFRIGERANT CHARGE (R410A: oz.)
NOTE
: Refrigerant piping exceeding 25 ft. requires additional refrigerant charge according to the calculation.
Model
Outdoor unit
precharged
Refrigerant piping length (one way): ft.
25
30
40
50
60
70
80
90
100
SUZ-KA18NA2
SUZ-KA18NAH2
3 lb. 9 oz.
0
1.08
3.24
5.40
7.56
9.72
11.88
14.04
16.20
Calculation: X oz. = 1.08/5 oz./ft. × (Refrigerant piping length (ft.) - 25)
Model
Outdoor unit
precharged
Refrigerant piping length (one way): ft.
25
30
40
50
60
70
80
90
100
SUZ-KA24/30/36
NA(H)2
4 lb. 14 oz.
0
2.69
8.07
13.45
18.83
24.21
29.59
34.97
40.35
Calculation: X oz. = 2.65/5 oz./ft. × (Refrigerant piping length (ft.) - 25)
