Overview
The AIRSTAGE VR-II Series is a third-generation Variable Refrigerant Flow (VRF) system designed to meet the needs of larger commercial buildings, multi-zone facilities and demanding HVAC environments. It builds upon prior generations with improved piping flexibility, higher capacities, sophisticated control and enhanced energy efficiency. The VR-II Series supports both cooling and heating (or heat recovery) and is suitable for applications such as offices, hotels, educational campuses and multi-storey mixed-use developments. fujitsu-general.com+2fujitsu-general.com+2
Key Features
1. High-Efficiency Operation
The VR-II Series incorporates advanced inverter compressors, optimized heat-exchange paths, and intelligent control logic to boost operational efficiency and reduce energy consumption. fujitsu-general.com+1
2. Wide Capacity & Zoning Flexibility
This system supports outdoor units rated from approximately 22 kW up to 150 kW+ depending on model. One system can connect up to 48 indoor units (in some cases more) to deliver large-scale zoning flexibility. fujitsu-general.com+1
3. Flexible Piping & Layout Options
The VR-II Series allows extended piping runs, significant vertical height differences and modular outdoor unit configurations, enabling complex building layouts and retrofit opportunities. fujitsu-general.com+1
4. Sophisticated Control & Monitoring
The system offers refined operation control including part-load compressor management, indoor unit scheduling, and compatibility with centralised controllers and building management systems (BMS). fujitsu-general.com
5. Proven Reliability & Legacy Support
Though designated "Retired" in some markets, the VR-II Series remains supported by Fujitsu General’s authorised service network. fujitsu-general.com
Technical Highlights
| Feature | Typical Specification |
|---|---|
| Refrigerant Type | R410A fujitsu-general.com |
| Outdoor Unit Capacity Range | ~ 22 kW to ~150 kW+ fujitsu-general.com+1 |
| Maximum Indoor Units Connected | Up to ~ 48 indoor units (model dependent) fujitsu-general.com |
| Control Type | Modular, heat-recovery, large-capacity VRF fujitsu-general.com |
| Status | Legacy / Retired product in some regions fujitsu-general.com |