Appendix I. Model Number Significance - Carrier 50HCQA05 Service And Maintenance Instructions

Model Number Nomenclature
Position:
Example:
Series - WeatherMaster ®
50HC - Packaged Rooftop -
High Efficiency
Q = Heat Pump
Refrig. Systems Options
A = One Stage Cooling Models
D = Two Stage Cooling Models
Cooling Tons
04 - 3 ton
05 - 4 ton
06 - 5 ton
07 - 6 ton
08 - 7.5 ton
09 - 8.5 ton
12 - 10 ton
Sensor Options
A = None
B = RA Smoke Detector
C = SA Smoke Detector
D = RA + SA Smoke Detector
E = CO
2
F = RA Smoke Detector and CO
G = SA Smoke Detector and CO
H = RA + SA Smoke Detector and CO
Indoor Fan Options
0 = Electric Drive X13 Motor (04-06)
1 = Standard Static Option - Belt Drive
2 = Medium Static Option - Belt Drive
3 = High Static Option - Belt Drive
C = High Static Option with High Efficiency Motor- Belt Drive
(size 12 only)
Coil Options - Round Tube/Plate Fin Condenser Coil
(Outdoor - Indoor - Hail Guard)
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 Guard
N = Precoat Al/Cu - Al/Cu — Louvered Hail Guard
P = E-coat Al/Cu - Al/Cu — Louvered Hail Guard
Q = E-coat Al/Cu - E-coat Al/Cu — Louvered Hail Guard
R = Cu/Cu - Al/Cu — Louvered Hail Guard
S = Cu/Cu - Cu/Cu — Louvered Hail Guard
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

APPENDIX I. MODEL NUMBER SIGNIFICANCE

1 2 3 4 5 6 7
5 0 H C Q A 0
2
2
2
8 9 10 11 12 13 14 15 16 17 18
–
6 A 0 A 6 0 B
Base Unit Controls
0 = Electro-mechanical Controls can be used with W7212
1 = PremierLink Controller
2 = RTU Open Multi-Protocol Controller
6 = Electro-mechanical w/ 2-speed fan and W7220
Design Revision
– = Factory Design Revision
Voltage
1 = 575/3/60
3 = 208-230/1/60
5 = 208-230/3/60
6 = 460/3/60
43
2 A 0
Factory Assigned
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
G = 2-Speed Indoor Fan Controller (VFD)
J = 2-Speed Indoor Fan Controller (VFD)
and Non-Fused Disconnect
K = 2-Speed Indoor Fan Controller (VFD)
and Thru-The-Base Connections
M = 2-Speed Indoor Fan Controller (VFD)
with Non-Fused Disconnect and
Thru-The-Base Connections
Service Options
0 = None
1 = Unpowered Convenience Outlet
2 = Powered Convenience Outlet
3 = Hinged Access Panels
4 = Hinged Access Panels and
Unpowered Convenience Outlet
5 = Hinged Panels and
Powered Convenience Outlet
Intake / Exhaust Options
A = None
B = Temperature Economizer w/ Barometric Relief
F = Enthalpy Economizer w/ Barometric Relief
K = 2-Position Damper
U = Temperature Ultra Low Leak Economizer w/
Barometric Relief
W = Enthalpy Ultra Low Leak Economizer w/
Barometric Relief
EconoMi$er IV (Non-Fault Detection and Diagnostic)
Economizer controller Controls. Can be used with
W7220 EconoMi$er X (with Fault Detection and
Diagnostic)
C14235