Nomenclature - Bryant Preferred 551J Service And Maintenance Instructions

1 2 3
5 5 1 J E 1 7 D 0 0 0 A 1 A 0 A A
Unit Type
551 = Cooling RTU with
Optional Electric Heat
Model
J = Puron Refrigerant
Voltage
E = 460-3-60
P = 208/230-3-60
T = 575-3-60
Cooling Tons
17 - 15 ton
20 - 17.5 ton
24 - 20 ton
28 - 25 ton
Refrig. System Option
D = Two Stage Compressor Model
K = Two Stage Cooling with Aluminum
Gas Heat Exchanger and Perfect Humidity*
Heat Level Input
(Field-Installed Electric Heaters Available)
000 = No Heat
Coil Options (Condenser - Evaporator - Hail Guard)
A = AI/Cu - AI/Cu
B = Precoat AI/Cu - AI/Cu
C = E-coat AI/Cu - AI/Cu
D = E-coat AI/Cu - E-coat AI/Cu
E = Cu/Cu - AI-Cu
F = Cu/Cu - Cu/Cu
M = AI/Cu - AI/Cu - Louvered Hail Guards
N = Precoat AI/Cu - AI/Cu - Louvered Hail Guards
P = E-coat AI/Cu - AI/Cu - Louvered Hail Guards
Q = E-coat AI/Cu - E-coat AI/Cu - Louvered Hail Guards
R = Cu/Cu - AI/Cu - Louvered Hail Guards
S = Cu/Cu - Cu/Cu - Louvered Hail Guards
*Units equipped with Perfect Humidity include Motormaster controls.
Not all possible options can be displayed above - see price pages or contact your Bryant Sales representative for more details
POSITION NUMBER
Typical
POSITION
1-2
3-4
5
6-10
APPENDIX A — MODEL NUMBER NOMENCLATURE
4 5 6 7 8 9 10 11 12 13 14
Fig. A — Model Number Nomenclature
Table A — Serial Number Format
1 2
4 8
Week of manufacture (fiscal calendar)
Year of manufacture ("08" = 2008)
Manufacturing location (C = Monterrey, Mexico)
15 16 17
Packaging, Controls and Indoor Fan Motor
Speed Options
A = Standard Packaging, electro mech. controls that
require W7212 EconoMi$er IV
C = Standard Packaging, electro mech. controls that
require W7220 EconoMi$er X
D = Standard Packaging and 2-Speed Indoor Fan Motor
(VFD) Controller
Factory Installed Options
0A = None
Outdoor Air Options
A = None
B = Temp Econo, Baro Relief, Low Leak (W7212 or W7220)
D= Temp Econo, Cent Power Exhaust, Low Leak (W7212 or W7220)
E = Temp Econo, Baro Relief, Low Leak w/ CO (W7212 or
W7220)
G = Temp Econo, Cent Power Exhaust, Low Leak w/ CO (W7212 or
W7220)
H = Enthalpy Econo, Baro Relief, Low Leak (W7212 or W7220)
K = Enthalpy Econo, Cent Power Exhaust, Low Leak (W7212 or
W7220)
L = Enthalpy Econo, Baro Relief, Low Leak w/ CO (W7212 or
W7220)
N = Enthalpy Econo, Cent Power Exhaust, Low Leak w/ CO (W7212 or
W7220)
P = Manual Outdoor Air Damper
Q = Motorized 2 Position Damper
U = Temp Econo, Baro Relief, Ultra Low Leak, (W7220)
V = Temp Econo, Cent Power Exhaust, Ultra Low Leak (W7220)
W = Enthalpy Econo, Baro Relief, Ultra Low Leak, (W7220)
X = Enthalpy Econo, Cent Power Exhaust, Ultra Low Leak (W7220)
Indoor Fan Options
1 = Standard Static Option, Vertical
2 = Medium Static Option, Vertical
3 = High Static Option, Vertical
B = Medium Static, High Efficiency Motor, Vertical
C = High Static, High Efficiency Motor, Vertical
5 = Standard Static Option, Horizontal
6 = Medium Static Option, Horizontal
7 = High Static Option, Horizontal
F = Medium STatic, High Efficiency Motor, Horizontal
G = High Static, High Efficiency Motor, Horizontal
3 4 5
0 8 C
DESIGNATES
Sequential number
57
6 7 8
1 2 3
9 10
4 5