Carrier WeatherMaker 50KCQ A04 Series - Appendix A - Model Number Nomenclature

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Fig. A — Model Number Nomenclature
5 0 K C Q A 0 4 A 0 A 5 - 0 A 0 A 0
123456789101112131415161718
Note: On single phase (-3 voltage code) models, the following
are not available as a factory installed option:
- Coated Coils or Cu Fin Coils
- Louvered Hail Guards
- Economizer or 2 Position Damper
- Powered 115 Volt Convenience Outlet
Unit/Series Model
50KC – Packaged 14 SEER
Rooftop
Q = Heat Pump
Refrig. Systems Options
A – Standard One-Stage Cooling Models
Cooling Tons
04 – 3 ton
05 – 4 ton
06 – 5 ton
Sensor Options
A = None
B = RA Smoke Detector
C = SA Smoke Detector
D = RA + SA Smoke Detector
E = CO
F = RA Smoke Detector and CO
G = SA Smoke Detector and CO
H = RA + SA Smoke Detector and CO
J = Condensate Overflow Switch (electromech controls only)
K = Condensate Overflow Switch and RA Smoke Detectors
L = Condensate Overflow Switch and RA and SA Smoke
Detectors
Indoor Fan Options
0 = Direct Drive X13 Motor
2 = Medium Static Option – Belt Drive
3 = High Static Option – Belt Drive
Packaging and Seismic Compliant
0 = Standard
1 = LTL
Electrical Options
A = None
C = Non-Fused Disconnect
D = Thru-the-Base Connections
F = Non-Fused Disconnect and Thru-the-Base Connections
Service Options
0 = None
1 = Unpowered Convenience Outlet
2 = Powered Convenience Outlet
3 = Hinged Panels
4 = Hinged Panels, Unpowered Convenience Outlet
5 = Hinged Panels, Powered Convenience Outlet
Intake / Exhaust Options
A = None
B = Temperature Economizer with Barometric Relief
F = Enthalpy Economizer with Barometric Relief
K = 2-Position Damper
U = Temp Ultra Low Leak Economizer with Baro Relief
W = Enthalpy Ultra Low Leak Econo with Baro Relief
Base unit controls
0 = Electromechanical Controls can be used with W7212
EconoMi$er IV (Non-Fault Detection and Diagnostic)
1 = PremierLink Controller
2 = RTU Open Multi-Protocol Controller
6 = Electromechanical – can be used with W7220 EconoMi$er X
(with Fault Detection and Diagnostic)
Design Revision
Factory Assigned
Voltage
1 = 575/3/60 5 = 208-230/3/60
3 = 208-230/1/60 6 = 460/3/60
Coil Options (Outdoor – Indoor – Hailguard)
A = Al/Cu – Al/Cu
B = Precoat Al/Cu – Al/Cu
C = E-coat Al/Cu – Al/Cu
D = E-coat Al/Cu – E-coat Al/Cu
E = Cu/Cu – Al/Cu
F = Cu/Cu – Cu/Cu
M = Al/Cu – Al/Cu – Louvered Hail Guards
N = Precoat Al/Cu – Al/Cu – Louvered Hail Guards
P = E-coat Al/Cu – Al/Cu – Louvered Hail Guards
Q = E-coat Al/Cu – E-coat Al/Cu – Louvered Hail Guards
R = Cu/Cu – Al/Cu – Louvered Hail Guards
S = Cu/Cu – Cu/Cu – Louvered Hail Guards
Table A — Serial Number Format
POSITION NUMBER 1234 5 6789 10
TYPICAL 0409 C 1234 5
POSITION DESIGNATES
1-2 Week of manufacture (fiscal calendar)
3-4 Year of manufacture (“08” = 2008)
5 Manufacturing location (C = Monterrey, Mexico)
6-10 Sequential number
APPENDIX A — MODEL NUMBER NOMENCLATURE