Bryant Comprehensive AC Piston Size Chart and Check-Flo Guidance for HVAC Systems

CHECK-FLO-RATER® PISTON CHART

	PISTON*
UNIT SIZE	IDENTIFICATION NO.
018-A, D	52
024-A, D	57
030-A, D	67
036-A, D, E	73
036-B	70
042-A, C	76
042-B	82
048-A, C	88
048-B	84
060-A, E	93
060-B	90

*Piston listed is for any approved coil non-capillary tube combination. Piston is shipped with outdoor unit and must be installed in an approved indoor coil.

RECOMMENDED TUBE DIAMETERS

	Liquid Tube Diameter (In.)			Vapor Tube Diameter (In.)
UNIT	0 to 50 Ft		0 to 50 Ft		Long-Line Applications*
SIZE	Tube Length	Long-Line Applications*	Tube Length		(Maximum Diameter)
018, 024			5/8		3/4
030, 036	3/8	3/8	3/4		7/8
042, 048			7/8		1-1/8
060			1-1/8		1-1/8

* For tube sets between 50 and 175 ft, consult Residential Split System Long-Line Application Guideline.

SOUND POWER (dBA)

UNIT	SOUND			OCTAVE BAND CENTER FREQUENCY (Hz)
SIZE	LEVEL (dBA)	125	250	500	1000	2000	4000	8000
018-A	80	55.5	64.0	68.5	73.0	71.0	66.5	59.5
018-D	80	57.5	64.0	69.5	72.0	71.5	68.0	60.0
024-A	80	59.5	65.0	69.5	74.0	73.0	70.0	62.0
024-D	82	55.5	63.0	68.0	71.0	70.5	67.5	58.5
030-A	80	55.0	62.5	73.5	74.0	71.0	67.5	59.5
030-D	80	54.0	68.5	72.5	73.0	70.5	67.0	61.5
036-A	82	57.0	64.5	73.0	74.0	72.0	73.0	65.5
036-B	82	55.0	64.0	73.0	74.5	72.0	68.5	64.0
036-D	82	56.0	64.5	69.0	75.5	75.0	72.0	69.5
036-E	82	56.5	70.0	73.5	75.5	74.5	71.0	65.0
042-A	82	58.0	69.5	73.0	71.5	69.5	68.0	63.5
042-B	82	59.0	66.5	68.5	75.5	71.5	73.0	65.5
042-C	82	57.0	69.0	72.5	71.5	69.5	68.0	64.0
048-A	82	58.5	72.5	74.0	77.0	72.5	70.0	65.0
048-B	82	57.0	67.5	72.0	73.0	68.5	67.0	60.5
048-C	82	61.0	69.0	70.0	74.0	75.5	74.5	66.5
060-A	82	57.5	68.0	69.0	72.5	70.5	71.0	70.0
060-B	82	57.5	69.5	75.0	76.0	70.5	69.0	63.0
060-E	82	58.0	64.0	70.0	74.0	72.0	71.0	67.0

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TANDAR

CERTIFICATION APPLIES ONLY	REGISTERED QUALITY SYSTEM
WHEN THE COMPLETE SYSTEM
IS LISTED WITH ARI.

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