Lennox KVCK 100D, Installation, Operation & Maintenance Manual

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UNIT - MODEL
TABLE 1: REFRIGERANT LINES SELECTION
27
2.- INSTALLATION
- THE GAS LINE MUST BE ALWAYS INSULATED.
- THE HORIZONTAL LINES MUST BE TYPED AT LEAST 2% TOWARD THE OUTDOOR UNIT.
- THE MAXIMUM SPEED INSIDE LINES SHOULD NOT BE MORE THAN 15 m/seg.
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 determinated aspects how to make the installation
(additional charge of oil, solenoid valves, etc.
L
L
L
2
1
2.7- REFRIGERANT CONNECTIONS
A
B
2%
2%
To locate the outdoor and the indoor units, refer to the following information:
A,B,C : Unit positions
L : Total length
1 = Gas line
2 = Liquid line
Liquid
Gas
Liquid
Gas
Liquid
Total
line
length
0 to 10 m.
Gas
30 to 50 m.
Unit connections
REFRIGERANT LINES
Maximum vertical line length (m)
Maximum number of bends
0 to 30 m.
Liquid
Gas
2%
2%
OUTDOOR UNIT
INDOOR UNIT
C
22E
3/4"
1-3/8"
2x5/8''
2x
7/8"
2x5/8''
2x
1-1/8"
5/8"
1-1/8"
5/8"
7/8"
5/8"
1-1/8"
5/8"
1-1/8"
2x5/8''
2x
1-1/8"
2x5/8''
2x
1-1/8"
2x3/4"
2x
1-3/8"
24E 28E 32E 38E
44D
44D2
48D
48D2
56D
56D2
64D
64D2
76D
76D2
2x7/8''
2x
1-5/8"
86D
86D2
2x7/8''
2x
1-5/8"
100D
100D2
3/4"
1-3/8"
2x5/8''
2x
7/8"
2x5/8''
2x
1-1/8"
5/8"
1-1/8"
5/8"
7/8"
5/8"
1-1/8"
5/8"
1-1/8"
2x5/8''
2x
1-1/8"
2x5/8''
2x
1-1/8"
2x3/4"
2x
1-3/8"
2x7/8''
2x
1-5/8"
2x7/8''
2x
1-5/8"
5/8" 3/4" 3/4" 3/4" 7/8" 2x5/8'' 2x3/4''
2x
1-1/8"
2x
1-3/8"
1-5/8" 1-3/8" 1-1/8" 1-3/8" 1-3/8"
16 16 16 16 16 16 16
12 12 12 12 12 12 12
2x3/4''
2x
1-3/8"
16
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
2x1-1/8''
2x
2-1/8"
16
12
7/8"
1-5/8"
2x5/8''
2x
1-1/8"
2x5/8''
2x
1-1/8"
3/4"
1-3/8"
5/8"
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"
2x7/8''
2x
1-5/8"
2x7/8''
2x
1-5/8"
2
1
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
2
1
2%
POSITION A : A syphon suction must be installed on the vertical line of the gas line 1 , and syphons 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 atention 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.