58
Fig. A — Model Number Nomenclature
5
0
K
C
Q
A
0
4
A
0
A
5
-
0
A
0
A
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18
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
1
2
3
4
5
6
7
8
9
10
TYPICAL
0
4
0
9
C
1
2
3
4
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
Summary of Contents for WeatherMaker 50KCQ A04 Series
Page 34: ...34 Fig 53 RTU Open Overlay for Economizer Wiring ...
Page 35: ...35 Fig 54 VFD Overlay for W2770 Controller Wiring ...
Page 70: ...70 Fig C 50KCQ A04 A05 A06 Control Wiring Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 71: ...71 Fig D 50KCQ A04 A05 A06 Power Wiring Diagram 208 230 1 60 APPENDIX D WIRING DIAGRAMS ...
Page 72: ...72 Fig E 50KCQ A04 A05 A06 Power Wiring Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 73: ...73 Fig F 50KCQ A04 A05 A06 Power Wiring Diagram 460 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 74: ...74 Fig G 50KCQ A04 A05 A06 Power Wiring Diagram 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 75: ...75 Fig H 50KCQ Premier Link Control Diagram APPENDIX D WIRING DIAGRAMS ...
Page 76: ...76 Fig I 50KCQ RTU Open Control Diagram APPENDIX D WIRING DIAGRAMS ...
