Appendix I. Model Number Significance | Carrier 50TCA04-A07 specification

50TC

APPENDIX I. MODEL NUMBER SIGNIFICANCE

Model Number Nomenclature

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

5

0

T

C

--

A

0

6

A

0

A

5

A

0

A

0

A

0

____

____

____

Unit Heat Type

Brand / Packaging

50 = Elec heat pkg rooftop

0 = Standard

1 = LTL

Tier / Model

TC = Entry tier (with Puron)

Electrical Options

Heat Size

A = None

--- = No heat

C = Non--- fused disc

D = Thru the base

F = Non--- fused & thru the base

Refrig. System Options

Service Options

A = Standard refrigeration system

D = 2 comp. upgrade

0 = None

1 = Unpowered convenience outlet

2 = Powered convenience outlet

Cooling Tons

Intake / Exhaust Options

04 = 3 Ton

A = None

05 = 4 Ton

B = Temp econo w/ baro relief

06 = 5 Ton

F = Enthalpy econo w/ baro relief

07 = 6 Ton

K = 2 pos damper w/ baro relief

Base Unit Controls

Sensor Options

0 = Electromechanical

A = None

1 = PremierLink DDC controller

B = RA smoke detector

2 = Open protocol DDC controller

C = SA smoke detector

Design Rev

D = RA & SA smoke detector

E = CO2 sensor

Factory assigned

F = RA smoke detector & CO2

Voltage

G = SA smoke detector & CO2

H = RA & SA smoke detector & CO2

1 = 575/3/60

3 = 208--- 230/1/60

5 = 208--- 230/3/60

Indoor Fan Options

6 = 460/3/60

1 = Standard static option

Coil Options (Outdoor Coil --- Indoor Coil)

2 = Medium static option

3 = High static option

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

Serial Number Format

POSITION NUMBER		1		2	3	4		5		6		7		8	9	10
TYPICAL		1		2	0	8		G		1		2		3	4	6
	POSITION								DESIGNATES
	1--- 2						Week of manufacture (fiscal calendar
	3--- 4						Year of manufacture (“08” = 2008)
	5					Manufacturing location (G = ETP, Texas, USA)
	6--- 10							Sequential number

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Carrier 50TCA04-A07 appendix Appendix I. Model Number Significance, Model Number Nomenclature, Serial Number Format

50TCA04-A07 specifications

The Carrier 50TCA04-A07 is a prominent model from Carrier, a leader in the heating, ventilation, and air conditioning (HVAC) industry. Designed for commercial applications, this unit exemplifies advanced technology and reliability, catering to a wide array of cooling needs.

One of the most notable features of the Carrier 50TCA04-A07 is its high efficiency. With a cooling capacity that suits various settings, it is engineered to provide excellent performance with minimal energy consumption. The unit achieves impressive Seasonal Energy Efficiency Ratio (SEER) ratings, which not only reduce operational costs but also lower the environmental impact.

The Carrier 50TCA04-A07 employs state-of-the-art inverter technology. This innovation allows the compressor to operate at varying speeds, adjusting its output according to the cooling demand. Consequently, the system can maintain optimal comfort levels while using less energy. Additionally, the inverter technology contributes to quieter operation, making it a suitable choice for environments where noise is a concern.

Durability is a hallmark of the Carrier 50TCA04-A07. Constructed with robust materials, this model is designed to withstand harsh conditions and ensure long-term reliability. The unit is equipped with corrosion-resistant components, extending its lifespan and maintaining performance quality over time.

Another significant characteristic of the Carrier 50TCA04-A07 is its advanced control system. The integrated control panel provides easy access to performance settings and monitoring capabilities. Users can effortlessly adjust temperatures and modes, ensuring a customizable climate. Furthermore, compatibility with smart building management systems enhances operational efficiency and real-time monitoring.

Regarding safety features, the Carrier 50TCA04-A07 is equipped with multiple sensors and automated responses to prevent overheating and ensure safe operation. These safety mechanisms not only protect the unit but also contribute to the overall safety of the installation environment.

In summary, the Carrier 50TCA04-A07 is a highly efficient, durable, and technologically advanced HVAC solution for commercial spaces. Its innovative features, including inverter technology, robust construction, and smart control systems, set it apart in the market, making it a reliable choice for businesses seeking to optimize their climate control needs while minimizing energy consumption and operational costs.

Contents

Table of Contents Safety Considerations Unit Arrangement and Access Routine MaintenanceSeasonal Maintenance General Supply FAN Blower Section Supply Fan Belt-Drive Adjustable-Pitch Pulley on Motor Supply-Fan Pulley Adjustment Bearings Cooling Condenser Coil Maintenance and Cleaning RecommendationCondenser Coil Cleaning Condenser Coil Two-Row Coils Refrigerant System Pressure Access Ports Puronr R-410A RefrigerantEvaporator Coil Refrigerant Charge To Use Cooling Charging Charts CoreMax Access Port Assembly Cooling Charging Charts Cooling Charging Charts Cooling Charging Charts Troubleshooting Cooling System CompressorFilter Drier Condenser-Fan Location Cooling Service Analysis Problem Cause Remedy Convenience Outlets Smoke Detectors Controller SystemSensor Completing Installation of Return Air Smoke Sensor Smoke Detector Locations Fiop Smoke Detector Wiring and Response Return Air Sensor Operating Position Sensor and Controller Tests Sensor Alarm Test Controller Alarm TestDirty Controller Test Dirty Sensor Test Detector Cleaning Remote Test/Reset Station Dirty Sensor TestCleaning the Smoke Detector Changing the Dirt Sensor Test Indicators Alarm StateDetector Indicators Control or Indicator Description Troubleshooting Protective Devices Electric Heaters Relief DeviceControl Circuit Condenser Fan Motor Protection Completing Heater Installation Typical Single Point Installation Premierlinkt Control PremierLink Controller PremierLink Wiring Schematic 55 Space Temperature Sensor Wiring Temp Resistance PremierLink Sensor Usage Temperature Enthalpy SensorOutdoor AIR Return AIR Space Sensor Mode Thermostat ModeField Connection Input Signal TB1 Terminal Field Connection Input Signal Lctb Outside and Return Air Enthalpy Sensor Wiring Indoor CO2 Sensor 33ZCSENCO2 Connec Tions CCN BUS Wire CCN Plug PIN Color Number Recommended CablesColor Code Recommendations Manufacturer Economizer Systems PremierLink CCN Bus Connections Inputs Outputs RUN Supply Air Temperature SAT Sensor EconoMi$erOutdoor Air Lockout Sensor EconoMi$er IV Control Modes Differential Dry Bulb Control Outdoor Enthalpy Changeover Enthalpy Changeover Setpoints Indoor Air Quality IAQ Sensor Input Exhaust Setpoint Adjustment Minimum Position ControlDamper Movement Thermostats Demand Control Ventilation DCV CO2 Sensor ConfigurationEconoMi$er IV Sensor Usage DCV Demand Controlled Ventilation and Power Exhaust EconoMi$er IV PreparationDifferential Enthalpy Single Enthalpy EconoMi$er IV Troubleshooting Completion Wiring DiagramsPRE-START-UP START-UP, General START-UP, Premierlink Controls Memory Reset Perform System Check-OutInitial Operation and Test Operating Sequence, Base Unit Controls Operating Sequence, PremierLink Control 50TC Available Cooling Stages Number Stages Economizer OAT ≤ SPT 50TC 50TC Fastener Torque Values Loadshed Command Gas and Electric Heat UnitsLinkage Modes 50TC Typical Unit Wiring diagram Power A06 Torque Values 50TC Unit Wiring Diagram Control A06 Appendix I. Model Number Significance Model Number NomenclatureSerial Number Format Position Number Typical Designates Appendix II. Physical Data Physical Data Cooling Tons Appendix III. FAN Performance General Fan Performance Notes Ton Vertical Supply Ton Horizontal SupplyCFM RPM BHP Standard Static Option 554 1170 1165 12251215 1206 50TC**05 Phase Ton Horizontal Supply 724 765 Phase Ton Horizontal Supply 822 927 1018 872 973 1061923 1019 974 1067 Pulley Adjustment Unit MOTOR/DRIVE Motor Pulley Turns Open Combo Appendix IV. Electrical Data Appendix IV. Electrical Data FLA MCA/MOCP Determination no C.O. or Unpwrd C.O MCA/MOCP Determination no C.O. or Unpwrd C.O. 78/89 152 159 Appendix V. Wiring Diagram List Wiring Diagrams Appendix VI. Motormaster Sensor Locations 50TC*A04 Outdoor Circuiting Appendix VI. cont Motormaster Sensor Locations Catalog No 50TC---1SM Pressures Cooling Mode START-UP ChecklistRemove and Store in Job File