Refrigerant Connections - Lennox AIRCOOLAIR ASC Series Application Manual

REFRIGERANT CONNECTIONS

To locate the outdoor and the indoor units, refer to the following information :
A
Outdoor unit
Indoor unit
1 Circuit 1
2 Circuit 2
REFRIGERANT LINES SELECTION
REFRIGERANT LINES
0 to 30 m.
(Standard con-
nection of unit)
Total line length.
(Length refri-
gerant lines
between indoor
unit and outdoor
unit.)
30 to 65 m.
0 to 30 m.
(Standard con-
nection of unit)
Total line length.
(Length refri-
gerant lines
between indoor
unit and outdoor
unit.)
30 to 65 m.
Application Guide • AIRCOOLAIR-AGU-1603-E
2%
2
1
A
V
2%
C1
Ø Liquid
C2
C1
Ø Gas
C2
Max. nr of bends
C1
Ø Liquid
C2
C1
Ø Gas
C2
Max. nr of bends
C1
Ø Liquid
C2
C1
Ø Gas
C2
Max. nr of bends
C1
Ø Liquid
C2
C1
Ø Gas
C2
Max. nr of bends
B
Indoor
unit
As standard, distance between indoor and outdoor units is 40 meters.
This distance reaches 65 meters with long distance option.
V Maximum length = 16 meters
L : Maximum total length (vertical + horizontal = 65 meters)
020S 025S 030S
1/2" 5/8" 5/8"
n/a n/a n/a
7/8" 1 1/8" 1 1/8"
n/a n/a n/a
6 12 8
5/8" 5/8" 5/8"
n/a n/a n/a
1 1/8" 1 1/8" 1 3/8"
n/a n/a n/a
12 18 18
070D 085D 100D
5/8" 5/8" 3/4"
5/8" 5/8" 5/8"
1 3/8" 1 3/8" 1 5/8"
1 3/8" 1 3/8" 1 3/8"
18 12 12
3/4" 3/4" 7/8"
3/4" 3/4" 3/4"
1 3/8" 1 5/8" 1 5/8"
1 3/8" 1 5/8" 1 5/8"
18 18 12
B
2%
1
Outdoor unit
2
L
Sizes
035S 040S 045D
5/8" 5/8" 5/8"
n/a n/a 5/8"
1 3/8" 1 3/8" 1 1/8"
n/a n/a 1 1/8"
18 12 12
3/4" 3/4" 5/8"
n/a n/a 5/8"
1 3/8" 1 5/8" 1 1/8"
n/a n/a 1 1/8"
18 18 18
120D 140D 200D
3/4" 3/4" 7/8"
5/8" 3/4" 7/8"
1 5/8" 1 5/8" 1 5/8"
1 3/8" 1 5/8" 1 5/8"
12 12 12
7/8" 7/8" n/a
3/4" 7/8" n/a
1 5/8" 1 5/8" n/a
1 5/8" 1 5/8" n/a
12 12 n/a
n/a: not available
055D
5/8"
5/8"
1 1/8"
1 1/8"
8
5/8"
5/8"
1 3/8"
1 3/8"
18
230D
7/8"
7/8"
2 1/8"
2 1/8"
12
n/a
n/a
n/a
n/a
n/a
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