160 CG-SVX17D-EN
Maintenance
the compressor when the equalizer line is removed. The torque value for the Rotolock fitting on
CSHD compressors is 64 ft.-lbs., plus or minus 2 ft.-lbs.
Tandem Compressor Suction Restrictors
Since most tandem compressor sets use unequal size compressors, these combinations require
the use of a restrictor in the suction line of one or more compressors in order to provide correct
oil level balance between compressors when they are operating. See the table below for correct
restrictor applications. A figure showing where compressors are installed in the different units is
also shown.
Table 65. Compressor Manifold Order
Unit
Nominal
Size (tons)
Compressor Size
Restrictor Size mm Location1A 1B 2A 2B
020
10 10
N/A
N/A
023
10 13 25/23 1A
026
13 13 N/A
030
15 15 N/A
035
15 20 31 1A
039
20 20 N/A
045
20 25 31 1A
050
25 25 N/A
040
10 10 10 10 N/A
046
10 13 13 10 25/23 1A & 2B
052
13 13 13 13 N/A
060
15 15 15 15 N/A
070
15 20 20 15 31 1A & 2B
080
20 20 20 20 N/A
090
20 25 25 20 31 1A & 2B
100
25 25 25 25 N/A
110
25 30 30 25 31 1A & 2B
120
30 30 30 30 N/A
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