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RECOMMENDED TUBE DIAMETERS
* For tube sets greater than 50 ft, consult Application Guideline and Service Manual—Air Conditioners and Heat Pumps Using Puron® Refrigerant.
CHECK-FLO-RATER® PISTON
* 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.
CHARGING SUBCOOLING (TXV-TYPE EXPANSION DEVICE*)
* Must be a Puron® approved hard shutoff TXV.
UNIT
SIZE
Liquid Tube Diameter (In.) Vapor Tube Diameter (In.)
0 to 50 Ft
Tube Length Long-Line Applications*
0 to 50 Ft
Tube Length
Long-Line Applications*
(Maximum Diameter)
018
3/8 3/8
5/8 3/4
024 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-A 49
024-A 59
030-A 63
036-A 67
042-A 73
048-A 78
060-A 90
UNIT SIZE–SERIES REQUIRED SUBCOOLING (°F)
018-A 15
024-A 15
030-A 16
036-A 18
042-A 18
048-A 16
060-A 14
M
A
N
U
F
A
C
T
U
R
E
R
C
E
R
T
I
F
I
E
D
T
O
A
R
I
A
S
C
O
M
P
L
Y
I
N
G
W
I
T
H
A
R
I
S
T
A
N
D
A
R
D
2
1
0
U
N
I
T
A
R
Y
A
I
R
C
O
N
D
I
T
I
O
N
I
N
G
E
Q
U
I
P
M
E
N
T
CERTIFICATION APPLIES ONLY
WHEN THE COMPLETE SYSTEM
IS LISTED WITH ARI.
REGISTERED QUALITY SYSTEM
As an ENERGY STAR
®
partner, Bryant Heating &
Cooling Systems has
determined that this prod-
uct meets the ENERGY
STAR
®
guidelines for
energy efficiency.