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4
Rated Indoor Airflow (cfm)
The table to the right lists the rated indoor airflow used
for the AHRI efficiency rating for the units covered in this
document.
Model Number
Full Load Airflow (cfm)
50TCQD14
4500
5
0
T
C
Q
D
1
4
A
1
A
6
–
0
B
2
A
0
Cooling Tons
14 - 12.5 ton
1
Example:
Position:
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
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
2
J = Condensate Overflow Switch (electro-mechanical controls only)
K = Condensate Overflow Switch and RA Smoke Detectors
L = Condensate Overflow Switch and RA and SA Smoke Detectors
Indoor Fan Options
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
Coil Options (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
Design Revision
– = Factory Design Revision
Base Unit Controls
0 = Electro-mechanical Controls can be used with W7212
EconoMi$er
®
IV (Non-Fault Detection and Diagnostic)
1 = PremierLink™ Controller*
2 = RTU Open Multi-Protocol Controller
6 = Electro-mechanical with W7220 Economizer
controller Controls. Can be used with W7220
EconoMi$er X (with Fault Detection and Diagnostic)
Intake / Exhaust Options
A = None
B = Temperature Economizer with Barometric Relief
F = Enthalpy Economizer with Barometric Relief
K = 2-Position Damper
U = Temperature Ultra Low Leak Economizer with
Barometric
Relief
W = Enthalpy Ultra Low Leak Economizer with
Barometric
Relief
Service Options
0 = None
1 = Unpowered Convenience Outlet
2 = Powered Convenience Outlet
3 = Hinged Panels
4 = Hinged Panels and
Unpowered Convenience Outlet
5 = Hinged Panels and
Powered Convenience Outlet
Factory Assigned
0 = Standard
1 = LTL
3 = CA Seismic Complaint
4 = LTL and CA Seismic Compliant
Refrig. Systems Options
D = Two Stage Cooling Models
Unit/Series/Model
50TCQ - Packaged Rooftop Heat Pump
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 (VFD) Controller
J = 2-Speed Indoor Fan (VFD) Controller
and Non-Fused Disconnect
K = 2-Speed Indoor Fan (VFD) Controller
and Thru-The-Base Connections
M = 2-Speed Indoor Fan (VFD) Controller
with Non-Fused Disconnect and
Thru-The-Base Connections
*
PremierLink controller can not be used with Staged Air
Volume (SAV™) 2-speed indoor fan motor.
It is recommended with models using Staged Air Volume
(SAV) 2-speed indoor fan motor control that the
EconoMi$er X system be used because it contains
two ventilation set points, one for each fan speed.
a50--- 9706
Fig. 1 -- 50TCQD14 Model Number Nomenclature (Example)
Summary of Contents for 50TCQD
Page 5: ...5 C14192 Fig 2 Unit Dimensional Drawing 14 Size Unit ...
Page 6: ...6 C14193 Fig 2 Unit Dimensional Drawing 14 Size Unit cont ...
Page 10: ...10 C10365 Fig 6 Roof Curb Details ...
Page 17: ...17 a50 9707 Fig 26 Typical 50TCQ Control Wiring Diagram ...
Page 18: ...18 a50 9708 Fig 27 Typical 50TCQ Power Wiring Diagram 208 230V 3 Phase 60Hz unit shown ...
Page 43: ...43 a50 9710 Fig 50 PremierLinkt Controller Wiring Schematic ...
Page 51: ...51 a50 9711 Fig 66 RTU Open Controller System Wiring Diagram ...