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RECOMMENDED TUBE DIAMETERS
* For tube sets greater than 50 ft and/or 20 ft vertical differential, 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 combina-
tion. Piston is shipped with outdoor unit and must be installed in
an approved indoor coil.
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 F 49
024-F/G 61/55
030-F 63
036-F, G 67
042-F 76
048-F 80
060-F 90
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.
*
Refer to the combination ratings in the Product Data Sheet for system combinations that meet Energy Star® efficiency standards.
*
CHARGING SUBCOOLING (TXV-TYPE
EXPANSION DEVICE*)
* Must be a Puron® approved hard shutoff TXV.
UNIT SIZE–SERIES REQUIRED SUBCOOLING (°F)
018 F 10
024-F/G 8/10
030-F 11
036-F, G 11
042-F 9
048-F 10
060-F 11
MODEL NUMBER NOMENCLATURE
552A N X 018
Model Number
12 SEER Split-System
Air Conditioner
N/A
Electrical Supply
N
– 208/230-1-60
Nominal Cooling Capacity
018 –
1.5 ton
042
– 3.5 ton
024
– 2 ton
048
– 4 ton
030
– 2.5 ton
060
– 5 ton
036
– 3 ton
000 A A AA
Standard Unit
Series A
– Original Series
Series B
– Second Series, etc.
Common Unit
– U.S.A. Only
Heating Size