48UC

48UA
Carrier

48UA

Packaged rooftop cooling and heat‑pump unit delivering flexible heating options, high efficiency, and intelligent airflow control
The Carrier 48UA Packaged Rooftop Unit is a self‑contained, outdoor air‑conditioning solution designed for commercial and industrial applications. Featuring advanced compressor technology, low‑noise airflow components, and intelligent control, the 48UA delivers reliable cooling and heating with optimized energy performance.

Features

Capacity & Performance

Nominal cooling capacity: 44 – 115 kW Nominal heating capacity: 44 – 121 kW Designed for stable performance across varying load conditions

Advanced Technologies

State‑of‑the‑art scroll compressor technology High reliability and improved part‑load efficiency Designed to deliver strong EER, COP, and seasonal performance

Airflow & Acoustic Design

Low‑noise fans manufactured from composite materials Quiet operation suitable for commercial environments Optimized airflow distribution for uniform comfort

Intelligent Energy Management

Auto‑adaptive Pro‑Dialog+ microprocessor control Automatically adjusts system operation for: Improved efficiency Reliable performance Variable Air Volume (VAV) supply fan: Optimizes energy consumption at full and part load

Control / Integrations

Integrated Pro‑Dialog+ Control

Centralized control of:
Cooling and heating modes
Fan operation
System protection and diagnostics
Auto‑adaptive logic enhances reliability and efficiency

Airflow & Fan Control

VAV fan control enables:
Demand‑based airflow regulation
Reduced energy consumption during part‑load operation

BMS Integration

Designed for integration with Carrier control platforms
Compatible with third‑party Building Management Systems (BMS)

Monitoring & Protection

Continuous monitoring of key operating parameters
Built‑in protection logic supports safe and stable operation

Technical Documents

Document Name Description Document Type Language Action
48UA Brochure PDF English Download

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