Carrier 50TCQA installation instructions Installation Instructions

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50TCQA

Single Package Rooftop

Heat Pump

with Puronr (R---410A) Refrigerant Sizes 04 --- 07

Installation Instructions

NOTE: Read the entire instruction manual before starting the installation

TABLE OF CONTENTS

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . 1 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Step 1 - Plan for Unit Location . . . . . . . . . . . . . . . . . . 4 Step 2 - Plan for Sequence of Unit Installation . . . . . . 5 Step 3 - Inspect Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Step 4 - Provide Unit Support . . . . . . . . . . . . . . . . . . . 5 Step 5 - Field Fabricate Ductwork . . . . . . . . . . . . . . . . 7 Step 6 - Rig and Place Unit . . . . . . . . . . . . . . . . . . . . . 7 Step 7 - Convert to Horizontal & Connect Ductwork . 8 Step 8 - Install Outside Air Hood . . . . . . . . . . . . . . . . 8 Step 9 - Install External Condensate Trap and Line . 10 Step 10 - Make Electrical Connections . . . . . . . . . . . 11 Step 11 - Adjust Factory-Installed Options . . . . . . . . 44 Step 12 - Install Accessories . . . . . . . . . . . . . . . . . . . 45

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individual instructions packaged with the kits or accessories when installing.

Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloths for brazing operations and have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions attached to the unit. Consult local building codes and appropriate national electrical codes (in USA, ANSI/NFPA70, National Electrical Code (NEC); in Canada, CSA C22.1) for special requirements.

It is important to recognize safety information. This is the

safety-alert symbol . When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury.

Understand the signal words DANGER, WARNING, CAUTION, and NOTE. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices, which may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation.

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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 UnitInspect unit Plan for Sequence of Unit InstallationProvide 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 88/95EconoMi$er IV Occupancy Switch Adjust Factory-Installed OptionsSmoke 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.
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