hvac air handling unit​

Suspended Chilled Water Air Handling Unit for Commercial HVAC Systems

REF-5WC-100-4R-L-7
The Refria suspended chilled water air handling unit is designed for commercial HVAC applications. Featuring a high-strength aluminum frame and customizable cooling coils, this versatile air handling unit ensures quiet operation, optimal air quality, and long-lasting performance.
Quantity:
Contact Now

Product Overview

As a premium chilled water air handling unit, the REF-5WC-100-4R-L-7 is designed to deliver exceptional air quality and thermal comfort. This suspended HVAC air handling unit features a 4-row cooling coil, a 10,000 m³/h air volume capacity, and a left-hand water connection. Engineered with high-strength aluminum alloy frames and double-inlet centrifugal fans, this versatile air handling unit guarantees quiet operation, high efficiency, and long-lasting durability for modern central air conditioning systems.

Key Features

🦠 Nano TiO2 Air Sterilizer

Optional Nano-scale TiO2 healthy air sterilizer effectively removes bacteria, viruses, VOCs, and unpleasant odors, ensuring a safe and clean indoor environment.

🌀 High-Efficiency Centrifugal Fan

Utilizes double-inlet multi-wing centrifugal fans, dynamically and statically balanced to guarantee low noise, high airflow, and stable operation.

❄️ Premium Coil Design

Aluminum fins and copper tubes are mechanically expanded for tight contact. Tested at 2.4MPa for air tightness, ensuring optimal heat transfer and durability.

🛡️ Sturdy & Compact Frame

High-strength aluminum alloy frame with polyurethane foam insulation. Double-skin panels ensure excellent thermal insulation, low noise, and easy maintenance.

Application Scenarios

Our 5W series HVAC air handling unit is widely used in various commercial and industrial environments to provide fresh, clean, and comfortable air.

Chilled water air handling unit installed in a commercial office building

Commercial Buildings

Ideal for office buildings and shopping malls, providing stable temperature control and excellent indoor air quality for large spaces.

Hygienic air handling unit for hotels and hospitals

Hotels & Hospitals

With the Nano TiO2 sterilizer, it ensures hygienic and comfortable air, making it perfect for guest rooms, wards, and cleanrooms.

Large air volume HVAC air handling unit for theaters and venues

Theaters & Large Venues

Capable of handling large air volumes (10,000 m³/h) quietly, ensuring a comfortable and undisturbed experience for audiences.

Robust air handling unit for industrial plant workshops

Industrial Plants

Robust construction and customizable configurations (T-type) make it highly reliable for factory workshops and production environments.

Technical Specifications

ParameterValue (Model 100)
ModelREF-5WC-100-4R-L-7
Air Volume10,000 m³/h
Cooling Capacity — Return Air Condition61.0 kW
Cooling Capacity — Fresh Air Condition131.0 kW
External Static Pressure150–450 Pa
Coil Rows4 Rows (Chilled Water)
Water Pipe DirectionLeft (Face to Return Air Inlet)
ConfigurationNon-standard (Customized)

Note: Return air condition is rated at 27 °C dry-bulb / 19 °C wet-bulb; fresh air condition is rated at 34 °C dry-bulb / 28 °C wet-bulb; chilled water supply/return temperature is 7/12 °C. All values above are nominal data measured under standard rating conditions and may vary slightly with actual installation and operating conditions.

Frequently Asked Questions

What is the air volume capacity of this HVAC air handling unit?

The REF-5WC-100-4R-L-7 model features an air volume capacity of 10,000 m³/h, making it suitable for medium to large commercial spaces.

What is the cooling capacity of this unit under return air and fresh air conditions?

Under the return air condition (27/19 °C) the cooling capacity is 61.0 kW, while under the fresh air condition (34 °C dry-bulb / 28 °C wet-bulb) it reaches 131.0 kW. Both ratings are based on 7/12 °C chilled water supply and return temperatures.

What external static pressure can this air handling unit provide?

The available external static pressure ranges from 150 Pa to 450 Pa, covering both standard and medium pressure configurations to suit different duct layouts and resistance requirements.

Is the Nano TiO2 air sterilizer included?

The Nano TiO2 healthy air sterilizer is an optional accessory. It can be integrated into this chilled water air handling unit to remove bacteria, viruses, and odors. Please specify this requirement when ordering.

Can this air handling unit be customized?

Yes. The"T"in the model description indicates non-standard configuration. We can customize the unit to meet specific requirements for airflow, coil rows (4, 6, or 8 rows), and connection directions.

Contact Us for Inquiry

Looking for a reliable chilled water air handling unit supplier? Get in touch with our sales team today!

© 2026 Refria. All rights reserved.