Appendix A - Model Number Nomenclature - Carrier 50FC M20 Series Service And Maintenance Instructions

Position:
Example:
Unit Heat Type
50 = Cooling with Optional Electric Heat
Packaged Rooftop
Model Series - WeatherMaker ®
FC = Standard Efficiency (EcoBlue™ Technology)
Electric Heat Size
- = No Heat
(Field Installed Available)
Refrig. Systems Options
M = Two Stage Cooling/One Circuit Models
N = Two Stage Cooling/One Circuit Models with
Humidi-MiZer ® System
Cooling Tons
20 = 17.5 tons
24 = 20.0 tons
28 = 25.0 tons
30 = 27.5 tons
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
2
G = SA Smoke Detector and CO
2
H = RA + SA Smoke Detector and CO
J = Condensate Overflow Switch
K = Condensate Overflow Switch + RA Smoke Detectors
L = Condensate Overflow Switch + RA and SA Smoke Detectors
M = Condensate Overflow Switch + SA Smoke Detector
N = Condensate Overflow Switch + CO
P = Condensate Overflow Switch + RA Smoke Detector and CO
Q = Condensate Overflow Switch + SA Smoke Detector and CO
R = Condensate Overflow Switch + RA and SA Smoke Detector and CO
Indoor Fan Options - Vane Axial EcoBlue Fan System
2 = Standard/Medium Static Motor - Vertical Supply
3 = High Static Motor - Vertical Supply
5 = Standard/Medium Static Motor - Vertical Supply and Filter Status Switch
6 = High Static Motor - Vertical Supply and Filter Status Switch
J = High Static Motor - Horizontal Supply
L = High Static Motor - Horizontal Supply and Filter Status Switch
Coil Options – RTPF (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
Voltage
1 = 575/3/60
5 = 208-230/3/60
6 = 460/3/60
APPENDIX A — MODEL NUMBER NOMENCLATURE
1 2 3 4 5 6 7 8
5 0 F C - M 2 4
2
2
2
2
2
Fig. A — Model Number Nomenclature
9 10 11 12 13 14 15 16 17 18
A 2 A 5 - 0 A 0 A
Service Options
0 = None
1 = Unpowered Convenience Outlet
2 = Powered Convenience Outlet
3 = Hinged Access Panels
4 = Hinged Access Panels and
5 = Hinged Access Panels and
6 = 4" MERV 13 High Efficiency Filter Track
7 = Unpowered Convenience Outlet and 4" MERV 13
8 = Powered Convenience Outlet and 4" MERV 13
9 = Hinged Access Panels and 4" MERV 13 High
A = Hinged Access Panels, Unpowered Convenience
B = Hinged Access Panels, Powered Convenience
Intake / Exhaust Options
A = None
B = Low Leak Temp Economizer w/ Baro Relief
(Electro-Mechanical Controls Only)
D = Low Leak Temp Economizer w/ PE (cent) Vert Only
(EM Only)
F = Low Leak Enthalpy Economizer w/ Baro Relief
(EM Only)
H = Low Leak Enthalpy Economizer w/ PE (cent) Vert Only
(EM Only)
U = ULTRA Low Leak Temp Economizer w/ Baro Relief
V = ULTRA Low Leak Temp Economizer w/ PE (cent)
Vert Only
W = ULTRA Low Leak Enthalpy Economizer w/ Baro Relief
X = ULTRA Low Leak Enthalpy Economizer w/ PE (cent)
Vert Only
Base Unit Controls
0 = Electro-mechanical Controller - Can be used with
field-installed W7212 EcononMi$er IV
(Non - Fault Detection and Diagnostic)
3 = SystemVu™ Controller
6 = Electro-mechanical Controller - Can be used with W7220
EcononMi$er X (with Fault Detection and Diagnostic)
Design Revision
- = Factory Design Revision
66
0
Packaging Compliance
0 = Standard
Electrical Options
A = None
C = Non-Fused Disconnect
D = Thru-The-Base Connections
F = Non-Fused Disconnect and
Thru-The-Base Connections
N = Phase Monitor/Protection
Q = Phase Monitor/Protection
and Non-Fused Disconnect
R = Phase Monitor/Protection
and Thru-The-Base Connections
T = Phase Monitor/Protection with Non-Fused
Disconnect and Thru-The-Base Connections
1 = HSCCR Protection
2 = HSCCR Protection and Thru-The-Base
Connections
Unpowered Convenience Outlet
Powered Convenience Outlet
High Efficiency Filter Track
High Efficiency Filter Track
Efficiency Filter Track
Outlet and 4" MERV 13 High Efficiency Filter Track
Outlet and 4" MERV 13 High Efficiency Filter Track