Carrier manual 48EZ-A Without Economizer 48VT-A Without Economizer

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48EZ---A and 48VT---A

Comfort™ and Performance™ 13 and 14 SEER

Single Packaged Hybridr Heat Dual Fuel System

With Puron (R---410A) Refrigerant

Single and Three Phase

2---5 Nominal Tons (Sizes 24---60)

Owner’s Information Manual

A09034

A09033

48EZ-A Without Economizer

48VT-A Without Economizer

A10078

 

48VT-A

 

A10077

48EZ-A With Economizer

48VT-A with Economizer

Fig. 1 - Unit 48EZ-A

Fig. 2 - Unit 48VT-A

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Contents 48VT-A 48EZ-A Without Economizer 48VT-A Without Economizer48EZ-A With Economizer 48VT-A with Economizer FIRE, EXPLOSION, Electrical Shock Hazard Safety ConsiderationsCUT Hazard Starting or Shutting Off Unit Unit IntroductionFire and Explosion Hazard Electrical Shock HazardHeat Pump Heating Mode Cooling ModeGas Heat Mode Operating Your UnitMain Main Defrost Mode Maintenance and ServiceEmergency Heat Mode Routine MaintenanceSmall Chassis See Fig Replacing or inspecting filters in units with economizersLarge Chassis See Fig Fans and Fan MotorsRefrigerant Circuit Electrical Controls and WiringUnit Panels Combustion Area and Vent SystemCase of Trouble Before you call for serviceIf insufficient heating or cooling is suspected
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Manual 38 pages 47.37 Kb

48VT-A, 48EZ-A specifications

The Carrier 48EZ-A and 48VT-A are two advanced rooftop unit air conditioners that exemplify innovation and efficiency in HVAC technology. Designed for commercial applications, these units provide optimal comfort while ensuring energy conservation and reliability.

One of the standout features of the Carrier 48EZ-A is its high-efficiency cooling system. With SEER ratings reaching up to 16, this model uses advanced compressor technology to ensure that energy consumption stays low while maximizing cooling output. The 48EZ-A incorporates a two-stage scroll compressor that enhances performance during partial load conditions, making it ideal for varying temperature demands throughout the day.

Meanwhile, the Carrier 48VT-A is designed with variable speed technology that allows for precise modulation of airflow and cooling capacity, adapting seamlessly to real-time building conditions. This technology not only improves comfort but also significantly reduces energy usage by optimizing operational efficiency.

Both units are equipped with advanced microprocessor controls that facilitate superior management of the HVAC system. The controls offer programmable options allowing for enhanced control over system operation, scheduling, and diagnostics. This promotes easy maintenance and ensures long-term reliability.

In terms of construction, the Carrier 48EZ-A and 48VT-A units are built with corrosion-resistant materials, ensuring durability and longevity even in challenging environments. The cabinet is designed with insulated panels to minimize sound levels, making them suitable for installation in noise-sensitive locations.

Moreover, both models are equipped for easy installation and serviceability. The logical wiring design and access ports streamline maintenance, reducing downtime and optimizing overall performance. Additionally, they feature an energy-efficient fan design that maximizes airflow while minimizing energy use.

In summary, the Carrier 48EZ-A and 48VT-A rooftop units stand out in the HVAC market for their energy efficiency, advanced technology, and durable construction. These features make them ideal choices for various commercial applications where comfort, efficiency, and reliability are paramount. The combination of high-performance components and user-friendly features positions these models as leaders in modern HVAC solutions.
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