![background image](http://html1.mh-extra.com/html/carrier/50lc-14/50lc-14_service-and-maintenance-instructions_2561601064.webp)
64
5
0
L
C
D
0
2
4
A
1
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
Model Series - WeatherExpert
®
LC - Ultra High Efficiency
Unit Heat Type
50 - Electric Cooling
Packaged
Rooftop
Cooling Tons
14 - 12.5 ton
17 - 15 ton
20 - 17.5 ton
24 - 20 ton
26 - 23 ton
Heat Options
0 = Standard - No Electric Heat
D = Low Electric Heat
E = Medium Electric Heat
F = High Electric Heat
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
Indoor Fan Motor Options
1 = Standard Static / Vertical Supply, Return Air Flow
2 = Medium Static / Vertical Supply, Return Air Flow
3 = High Static / Vertical Supply, Return Air Flow
4 = Ultra High Static / Vertical Supply, Return Air Flow
5 = Standard Static / Horizontal Supply, Return Air Flow
6 = Medium Static / Horizontal Supply, Return Air Flow
7 = High Static / Horizontal Supply, Return Air Flow
8 = Ultra High Static / Horizontal Supply, Return Air Flow
Refrig. Systems Options
0 = Three stage cooling capacity control with TXV
A = Three stage cooling capacity control with TXV
and
Humidi-MiZer
®
system
Coil Options: Fin/Tube (Condenser- Evaporator - 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
1 = RTU Open Multi-Protocol Controller
4 = SystemVu™ Controller
Intake / Exhaust Options
A = None
B = Temperature Standard Leak Economizer with
Barometric
Relief
C = Temperature Standard Leak Economizer with
Centrifugal Power Exhaust - Vertical Only
E = Enthalpy Standard Leak Economizer with
Barometric
Relief
F = Enthalpy Standard Leak Economizer with
Centrifugal Power Exhaust - Vertical Only
N = Temperature Ultra Low Leak Economizer with
Barometric
Relief
P = Temperature Ultra Low Leak Economizer
with Centrifugal Power Exhaust - Vertical Only
R = Enthalpy Ultra Low Leak Economizer with
Barometric
Relief
S = Enthalpy Ultra Low Leak Economizer with
Centrifugal Power Exhaust - Vertical Only
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
Packaging
0 = Standard
1 = LTL
Electrical Options
A = None
B = HACR Circuit Breaker
C = Non-Fused Disconnect
Example:
Position:
APPENDIX A — MODEL NUMBER NOMENCLATURE
Summary of Contents for 50LC 14
Page 26: ...26 Fig 34 50LC 14 26 Control Wiring Diagram...
Page 27: ...27 Fig 35 50LC 14 26 RTU Open Control Wiring Diagram...
Page 28: ...28 Fig 36 50LC 14 20 208 230V 3 Phase Power Wiring Diagram...
Page 29: ...29 Fig 37 50LC 24 26 208 230V 3 Phase Power Wiring Diagram...
Page 30: ...30 Fig 38 50LC 14 26 460V 575V 3 Phase Power Wiring Diagram...