15
TABLE 2: SUCTION LINE LENGTH/SIZE VS CAPACITY MULTIPLIER(R410A)
TABLE 3 :LIQUID LINE SIZING (R-410A)
25
50
75
100
125
150
1/4
25
40
25
9
N/A
N/A
5/16
25
50
62
58
53
49
3/8*
25
50
75
72
70
68
Rotary 3/8*
25
30
30
27
24
20
1/4
23
N/A
N/A
N/A
N/A
N/A
5/16
25
36
29
23
16
9
3/8*
25
50
72
70
68
65
Rotary
3/8*
25
30
30
24
20
15
1/4
25
N/A
N/A
N/A
N/A
N/A
5/16
25
49
38
27
17
6
3/8*
25
50
68
65
62
58
Rotary
3/8*
25
30
30
22
17
10
5/16
25
50
37
22
7
N/A
3/8*
25
50
68
63
58
53
5/16
25
23
4
N/A
N/A
N/A
3/8*
25
50
43
36
30
24
3/8*
25
46
38
30
22
15
1/2
25
50
56
55
53
52
3/8*
25
50
56
44
32
20
1/2
25
50
75
81
79
76
Liquid Line Size
Outdoor unit above or below indoor coil
(Heat Pumps Only)
3/8"
3/8"
3 Ton
Total Equivalent Length - Feet
System
Capacity
Line Size
Connection And
Line Size
(Inch I.D.)
Maximum Vertical Separation - Feet
Line Size
Connection Size
(Inch I.D.)
Compressor
Type
Scroll
Scroll
Scroll
1 1/2 Ton
3/8"
2 Ton
3/8"
3/8"
2 1/2 Ton
NOTES:
* Standard line size
N/A Application not recommended.
Scroll
Scroll
Scroll
Scroll
3 1/2 Ton
4 Ton
5 Ton
3/8"
3/8"
1 1/2 Ton
2 Ton
2 1/2 Ton
3 Ton
3 1/2 Ton
4 Ton
5 Ton
3/4" I.D.
3/4" I.D.
3/4" I.D.
3/4" I.D.
3/4" I.D.
7/8" I.D.
7/8" I.D.
5/8 Opt.
5/8 Opt.
5/8 Opt.
5/8 Opt.
5/8 Opt.
3/4 Opt.
1 1/8 Opt.
3/4* Std.
3/4* Std.
3/4* Std.
3/4* Std.
3/4* Std.
7/8* Std.
7/8* Std.
Optional
1.00
1.00
1.00
1.00
1.00
1.00
1.00
Standard
1.00
1.00
1.00
1.00
1.00
1.00
0.99
Optional
0.97
0.97
0.97
0.97
0.98
0.98
0.99
Standard
0.98
0.98
0.98
0.99
0.98
0.98
0.98
Optional
0.94
0.94
0.94
0.94
0.95
0.95
0.98
Standard
0.95
0.95
0.96
0.97
0.97
0.97
0.94
Optional
0.90
0.90
0.90
0.90
0.91
0.92
0.97
Standard
0.92
0.92
0.93
0.96
0.96
0.96
0.90
Suction Line Connection Size
Unit Size
Suction Line Run
－
Feet
NOTES:
* Standard size
Using suction line larger than shown in chart will result in poor oil return and is not recommended.
150'
25'
50'
100'
