Carrier 50TCQA installation instructions Install Accessories, Pre-Start and Start-Up

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Step 12 — Install Accessories

Available accessories include:

Roof Curb

Thru-base connection kit (must be installed before unit is set on curb)

Manual outside air damper Two-Position motorized outside air damper

EconoMi$er IV (with control and integrated barometric relief)

EconoMi$er2 (without control/for external signal and integrated barometric relief)

Power Exhaust

Differential dry-bulb sensor (EconoMi$er IV) Outdoor enthalpy sensor

Differential enthalpy sensor

Time Guard II compressor anti-cycle control Outdoor coil hail guard

Outdoor coil protector grille Head pressure control Programmable setback thermostat Electrical/Mechanical thermostat and subbase Thermidistatt device

Humidistat Electric Heaters Single Point kits Thermostat / Sensors CO2 sensor

DDC interface (PremierLink) Louvered hail guard

Phase monitor control

Refer to separate installation instructions for information on installing these accessories.

Pre-Start and Start-Up

This completes the mechanical installation of the unit. Refer to the unit’s Service Manual for detailed Pre-Start and Start-up instructions.

50TCQA

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Contents Installation Instructions 50TCQA Unit Dimensional Drawing 04 07 Size Units Plan for Unit Location Unit Dimensional Drawing 04 07 Size UnitPlan for Sequence of Unit Installation Inspect unitProvide Unit Support Roof Curb Details Rig and Place Unit Field Fabricate DuctworkInstall Outside Air Hood Ductwork when requiredEconomizer Hood Removal and Setup Factory Option Convert to Horizontal and ConnectDamper Assembly Two Position Damper Hood Removal and Setup Factory OptionEconomizer Hood and Two-Position Hood Install External Condensate Trap and LineMake Electrical Connections Field Power SupplyConvenience Outlets Units with Factory-Installed DisconnectSplice BLU + Factory-Option Thru-Base Connections460 480 H2 + H3 575 600Heat Anticipator Settings Field Control WiringUnits without Thru-Base Connections ThermostatHeater Model Number Electric HeatersTypical Module Installation PremierLink Controller PremierLinkt Factory-OptionPremierLink Wiring Schematic 55 Space Temperature Sensor Wiring Space Thermostat Connections PremierLink Sensor Usage Thermostat Mode Space Sensor ModeEconomizer controls Outside and Return Air Enthalpy Sensor WiringIndoor CO2 Sensor 33ZCSENCO2 Connections PremierLink Filter Switch Connection Color Code Recommendations Recommended Cables2413 or American A22503 Belden 8772 Columbia 02525RTU-MP Multi-Protocol Control Board RTU-MP control systemRTU-MP System Control Wiring Diagram RTU-MP Controller Inputs and Outputs 33ZCT59SPT Economizer controls Space Temperature SPT SensorsFan Status Connecting Discrete Inputs Filter StatusCommunication Wiring Protocols General Power Exhaust outputDS = Dip Switch BACnet MS/TP SW3 example shown Remote OccupancyRTU-MP Troubleshooting Communication LEDs Local AccessController SystemLEDs LEDs on the RTU-MP show the status of certain functionsSmoke Detector Locations Controller AssemblyTypical Return Air Detector Location Completing Installation of Return Air Smoke SensorUnit Wire/MOCP Sizing Data 56/59 Pwrd C.O65/69 74/8044/46 74/7949/52 79/8679/85 61/6455/58 72/7879/84 70/7469/75 43/4684/90 75/7952/54 61/6557/61 47/5070/76 82/9062/66 53/5576/82 88/95Adjust Factory-Installed Options EconoMi$er IV Occupancy SwitchSmoke Detectors Pre-Start and Start-Up Install Accessories50TCQA 50TCQA Catalog No 50TCQ---01SI

50TCQA specifications

The Carrier 50TCQA is a split system air conditioner known for its efficiency, reliability, and innovative technology. Designed for commercial and residential applications, this model provides a solution that combines comfort with cost-effectiveness, making it a popular choice for homeowners and businesses alike.

One of the key features of the Carrier 50TCQA is its impressive SEER (Seasonal Energy Efficiency Ratio) rating, which ensures optimal energy efficiency. This means that users can enjoy lower utility bills while maintaining a comfortable indoor climate. The unit is engineered to perform well even in extreme temperatures, providing effective cooling and heating when needed.

This model employs a scroll compressor, which is known for its durability and quiet operation. The compressor's design allows for smoother operation and reduced noise levels, making it suitable for use in noise-sensitive environments. Additionally, the 50TCQA is equipped with a multi-speed fan, allowing for adjustable airflow to match the specific comfort requirements of different spaces.

The Carrier 50TCQA utilizes advanced refrigerant technology, specifically the environmentally friendly R-410A refrigerant. This refrigerant helps to reduce greenhouse gas emissions and provides efficient cooling without depleting the ozone layer. The unit's design is also focused on minimizing refrigerant leaks, ensuring environmental safety and reliability over the long term.

Ease of installation and maintenance is another significant characteristic of the Carrier 50TCQA. The unit features a compact and lightweight design, making it easier for technicians to install and service. Moreover, the system is equipped with diagnostic capabilities that allow for quick identification of issues, enhancing service efficiency and reducing downtime.

In terms of control, the Carrier 50TCQA offers a sophisticated thermostat option that includes programmable settings. Users can easily set desired temperatures, timers, and operating modes, ensuring optimal comfort throughout the day and night.

Overall, the Carrier 50TCQA presents a robust solution for climate control needs. With its energy-efficient performance, advanced technologies, and user-friendly features, it embodies Carrier's commitment to providing high-quality heating and cooling solutions that cater to modern lifestyle requirements. This model stands out as an excellent option for those looking to invest in a reliable HVAC system that enhances comfort while being mindful of energy consumption and environmental considerations.