Brochure

34
Tubing Length
SYSTEM
MODEL
OD Tube Size (Inches)
Maximum
length (ft) of tubing
between
In/Oudoor
Maximum Elevation difference
(ft) between In/Oudoor
Maximum Length(ft)
of
Tubing at shipment
Required
Additional
Refrigerant
Oz/ft
Insulation
Narrow Wide Outdoor Above Outdoor Below
S9NKU-1
49’ 16’ 16’
S9NKUA
R-410A 0.2
E9NKUA
3/8”
KS12NB41A
KE12NB41
S12NKU-1
49’ 16’ 16’
S12NKUA
E12NKUA
66’
S18NKU-1
49’ 49’
S18NKUA
16’
E18NKUA
KS18NKU
1/4”
KS18NKUA
KE18NKU
KS18NB4U
50’ 50’
KS18NB4UA
KE18NB4U
S22NKU-1
66’
S24NKUA
49’ 49’
KS24NKU
131’
KS24NKUA
50’ 50’
E24NKUA
100’ 49’ 49’ R-410A 0.2
KE24NKU
98’ 50’ 50’ R-410A 0.27
26PSK1U6
26PST1U6
26PSU1U6
26PSF1U6
Both Tubes
26PEK1U6
26PET1U6
26PEU1U6
26PEF1U6
KS30NKUA
KE30NKU
KS36NKUA
KE36NKU
36PST1U6
36PSU1U6
36PSF1U6
36PET1U6
36PEU1U6
36PEF1U6
42PST1U6
42PSU1U6
42PET1U6
42PEU1U6
CU-2S18NBU-1
CU-2E18NBU
R-410A 0.2
CU-3KS19NBU
CU-3KE19NBU
CU-4KS24NBU
CU-4KE24NBU R-410A 0.22
CU-4KS31NBU
CU-4KE31NBU
3/8”
5/8”
5/8”
1/2”
3/8”
82’
165’
66’
100’
100’
49’
50’
49’
23’
50’
49’
50’
49’
23’
100’
25’
150’
25’
25’
16’
33’
R-410A 0.43
R-410A 0.27
R-410A 0.43
R-410A 0.27
R-410A 0.2
R-410A 0.27
R-410A 0.16
100’
Tubing Sizes, Lengths & Elevation Differences, Refrigerant Charge Adjustment & Insulation Chart
R-410A 0.2
3/8”x2, 1/2”x2
3/8”x3, 1/2”x1
1/4”
Cooling Heating
Inside
air temperature
80°F DB / 67°F WB 70°F DB / 60°F WB
Outside
air temperature
95°F DB (75°F WB) 47°F DB / 43°F WB