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RECOMMENDED TUBE DIAMETERS
* For tube sets between 50 and 175 ft, consult Residential Split System Long-Line Application Guideline.
CHECK-FLO-RATER®
* Piston listed is for any approved non-capillary tube coil combination.
Piston is shipped with outdoor unit and must be installed in an approved
indoor coil.
SOUND POWER (dBA)
LIQUID TUBE DIAMETER (IN.) VAPOR TUBE DIAMETER (IN.)
UNIT
SIZE
0 to 50 Ft
Tube Length Long-Line Applications*
0 to 50 Ft
Tube Length
Long-Line Applications*
(Maximum Diameter)
018, 024
3/8 3/8
5/8 3/4
030, 036 3/4 7/8
042, 048 7/8 1-1/8
060 1-1/8 1-1/8
UNIT SIZE-SERIES
PISTON*
IDENTIFICATION NO.
018, E 55
024, E 59
030, E 67
036, E 73
042, E 78
048, E,F 84
060, E 93
UNIT
SIZE
SOUND
LEVEL (dBA)
OCTAVE BAND CENTER FREQUENCY (Hz)
125 250 500 1000 2000 4000 8000
018 72 54.5 63.0 65.5 66.0 63.5 59.0 51.5
024 74 51.5 61.0 62.5 65.5 62.0 58.5 52.5
030 74 57.0 64.0 67.0 69.0 64.0 60.0 52.5
036 76 59.0 66.0 67.0 69.5 66.5 62.5 56.0
042 76 58.0 65.0 67.5 69.0 65.5 61.0 54.0
048 78 60.0 64.0 68.5 68.5 67.5 64.5 59.5
060 78 61.5 64.5 69.0 70.0 68.0 66.0 60.5
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CERTIFICATION APPLIES ONLY
WHEN THE COMPLETE SYSTEM
IS LISTED WITH ARI
REGISTERED QUALITY SYSTEM