UNIT - MODEL
TABLE 1: REFRIGERANT LINES SELECTION
14
2.- INSTALLATION
POSITION A : A siphon suction must be installed on the vertical line of the gas line , and siphons must be
installed every 8 meters upward. The minimum speed suction must not be below 6m/s.
POSITION B : Tip the lines toward the outdoor unit. Make special attention to line length longer than 10m,
and avoid collapse on pipe lines installation.
POSITION C : Install a siphon at the base of the vertical of the gas line; no more siphons are necessary.
- THE GAS LINE MUST BE ALWAYS INSULATED
- THE HORIZONTAL LINES MUST BE TIPPED AT LEAST 2% TOWARD THE OUTDOOR UNIT
- THE MAXIMUM SPEED INSIDE LINES, SHOULD NOT BE MORE THAN 15 m/seg.
To locate the outdoor and the indoor units, refer to the following information:
Liquid service valve
Gas service valve
2.5- REFRIGERANT CONNECTIONS
1
OUTDOOR
UNIT
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
A,B,C : Unit positions
L : Total length
1 = Gas line
2 = Liquid line
L
L
L
2
1
2
1
2
1
2%
OUTDOOR
UNIT
INDOOR
UNIT
2%
2%
A
C
B
2%
2%
Between length of 30 and 50 m superior you have to make a recalculation according to our technical
commercial department or distribution itself to maintain certain aspects how to make the installation
(additional charge of oil, solenoid valves etc.....
3/4"
1-3/8"
2x5/8''
2x
1-1/8"
5/8"
1-1/8"
5/8"
1-1/8"
2x5/8''
2x
1-1/8"
2x3/4"
2x
1-3/8"
24E 32E 38E
48D
48D2
64D
64D2
76D
76D2
2x7/8''
2x
1-5/8"
86D
86D2
3/4"
1-3/8"
2x5/8''
2x
1-1/8"
5/8"
1-1/8"
5/8"
1-1/8"
2x5/8''
2x
1-1/8"
2x3/4"
2x
1-3/8"
2x7/8''
2x
1-5/8"
Total
line
length
0 to 10 m.
30 to 50 m.
Unit connections
REFRIGERANT LINES
Maximum vertical line length (m.)
Maximum number of bends
3/4" 3/4" 7/8" 2x3/4''
2x
1-3/8"
1-5/8"1-3/8"1-3/8"
16 16 16 16
12 12 12 12
2x3/4''
2x
1-3/8"
16
12
2x7/8''
2x
1-5/8"
16
12
2x7/8''
2x
2-1/8"
16
12
0 to 30 m.
7/8"
1-5/8"
2x5/8''
2x
1-1/8"
3/4"
1-3/8"
5/8"
1-1/8"
2x3/4''
2x
1-3/8"
2x7/8"
2x
1-5/8"
2x7/8''
2x
1-5/8"
7/8"
1-5/8"
43E
7/8"
1-5/8"
7/8"
2-1/8"
16
12
7/8"
1-5/8"
Ø Liquid
Ø Gas
Ø Liquid
Ø Gas
Ø Liquid
Ø Gas
Ø Liquid
Ø Gas
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