Fujitsu General AIRSTAGE VRF Systems: Product Catalog and Technical Specifications
Introduction
Fujitsu General's AIRSTAGE VRF (Variable Refrigerant Flow) systems offer advanced air conditioning solutions designed for a wide range of applications, from large domestic residences to extensive commercial buildings. These systems combine energy efficiency, comfort, design flexibility, and reliability.
Product Lineup
The AIRSTAGE VRF series includes various outdoor and indoor units, controllers, and accessories to meet diverse project requirements.
Outdoor Units
The lineup features several series of heat pump outdoor units, including:
- AIRSTAGE V-III Heat Pump Type: Extensive lineup from 8HP to 54HP, high efficiency, space-saving design.
- AIRSTAGE V-II Heat Pump Type: Wide range from 8HP to 48HP, energy-efficient, space-saving.
- AIRSTAGE V-II TROPICAL Heat Pump Type: Designed for tropical climates, operating up to 52°C, with enhanced anti-corrosion features. Lineup from 8HP to 42HP.
- AIRSTAGE J-II / J-IIS Heat Pump Type: Compact and lightweight units for smaller applications, ranging from 4HP to 6HP.
Refrigerant for all models is R410A.
Dimensions diagrams illustrate the physical layout and connection points of outdoor units.
Operating range charts show the temperature limits for cooling and heating for different series.
Representative Outdoor Unit Specifications (V-III Series - Space Saving Combination)
| HP | Model Name | Rating Capacity (Cooling kW) | Max. Connectable Indoor Unit | EER (Cooling W/W) | COP (Heating W/W) | Dimensions (H x W x D mm) | Weight (kg) | Refrigerant | Operation Range (Cooling °C) |
|---|---|---|---|---|---|---|---|---|---|
| 8 | AJY072LALBH | 22.4 | 17 | 4.31 | 4.84 | 1,690 x 930 x 765 | 252 | R410A | -15 to 46 |
| 10 | AJY090LALBH | 28.0 | 21 | 3.85 | 4.35 | 1,690 x 930 x 765 | 252 | R410A | -15 to 46 |
| 12 | AJY108LALBH | 33.5 | 26 | 3.74 | 4.34 | 1,690 x 1,240 x 765 | 275 | R410A | -15 to 46 |
Representative Outdoor Unit Specifications (V-II TROPICAL Series - Space Saving Combination)
| HP | Model Name | Cooling (T1) kW | Cooling (T3) kW | Heating (T1) kW | EER (Cooling T1 W/W) | COP (Heating T1 W/W) | Dimensions (H x W x D mm) | Refrigerant | Operation Range (Cooling °C) |
|---|---|---|---|---|---|---|---|---|---|
| 8 | AJY072LNLAH | 22.4 | 22.4 | 25.0 | 4.07 | 4.37 | 1,690 x 930 x 765 | R410A | -15 to 52* |
| 10 | AJY090LNLAH | 28.0 | 24.3 | 31.5 | 3.62 | 4.02 | 1,690 x 930 x 765 | R410A | -15 to 52* |
*Note: T1 conditions: Indoor 27°CDB/19°CWB, Outdoor 35°CDB/24°CWB. T3 conditions: Indoor 29°CDB/19°CWB, Outdoor 46°CDB/24°CWB.
Representative Outdoor Unit Specifications (J-II Series)
| HP | Model Name | Cooling kW | Heating kW | EER (Cooling W/W) | COP (Heating W/W) | Dimensions (H x W x D mm) | Weight (kg) | Refrigerant | Operation Range (Cooling °C) |
|---|---|---|---|---|---|---|---|---|---|
| 4 | AJYA36LALH | 11.2 | 12.5 | 4.00 | 4.53 | 1,334 x 970 x 370 | 117 | R410A | -5 to 46 |
| 5 | AJYA45LALH | 14.0 | 16.0 | 3.60 | 4.20 | 1,334 x 970 x 370 | 117 | R410A | -5 to 46 |
Indoor Units
A comprehensive range of indoor units is available to complement the outdoor units, including:
- Cassette: Compact Cassette, Slim type, Large type.
- Duct: Low Static Pressure Duct, Slim Duct, Medium Static Pressure Duct, High Static Pressure Duct.
- Floor Ceiling: Floor (same as Ceiling models), Concealed Floor.
- Ceiling: Standard Ceiling units.
- Wall Mounted: Standard Wall Mounted units.
Capacity ranges from 2.2kW to 25.0kW.
Diagrams show the physical dimensions and installation considerations for different indoor unit types.
Representative Indoor Unit Specifications (Compact Cassette)
| Model Name | Capacity (Cooling kW) | Capacity (Heating kW) | Input Power (W) | Airflow Rate (High m³/h) | Sound Pressure Level (High dB(A)) | Dimensions (H x W x D mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| AUXB07GALH | 2.2 | 2.8 | 25 | 540 | 34 | 245 x 570 x 570 | 15 |
| AUXB09GALH | 2.8 | 3.2 | 25 | 550 | 35 | 245 x 570 x 570 | 15 |
Representative Indoor Unit Specifications (Slim Duct)
| Model Name | Capacity (Cooling kW) | Capacity (Heating kW) | Input Power (W) | Airflow Rate (High m³/h) | Sound Pressure Level (High dB(A)) | Dimensions (H x W x D mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| ARXD07GALH | 2.2 | 2.8 | 44 | 550 | 28 | 198 x 700 x 620 | 22 |
| ARXD09GALH | 2.8 | 3.2 | 50 | 600 | 29 | 198 x 700 x 620 | 22 |
Common Features
High Energy Efficiency
Utilizing DC twin rotary compressors, inverter technology, and large heat exchangers, the systems achieve significant improvements in EER (Energy Efficiency Ratio) and COP (Coefficient of Performance) compared to previous models.
Energy Saving Functions:
- Economy operation: Automatic temperature offset.
- Room temperature set point limitation: Restricts temperature ranges for further savings.
- Auto-off timer: Automatically turns off indoor units after a preset time.
- Capacity save operation: Limits power consumption in 5 steps.
More Comfort
- Precision refrigerant flow control: Achieves precise temperature control (±0.5°C) via DC Inverter and electronic expansion valve control.
- Auto changeover function: Automatically switches between cooling and heating modes.
- Quiet operation: Two low-noise modes available for different environments.
Design Flexibility
- Extended Piping Length: Up to 1,000m total piping length (V-III series).
- Height Differences: Allows significant height differences between outdoor and indoor units (up to 50m).
- High Static Pressure: Outdoor units support up to 82 Pa external static pressure for installation in plant rooms.
- High Capacity Connection: Supports a large number of indoor units (up to 64 for V-III series).
- Wide Operating Range: Capable of operating in extreme temperatures (e.g., cooling up to 50°C, heating down to -20°C).
High Reliability
- Life-extending operation: Rotates compressor starting order to balance running time.
- Liquid flow back protection: Prevents liquid refrigerant from entering the compressor.
- Blue fin heat exchanger: Improved corrosion resistance.
- Backup operation: Allows remaining compressors to operate if one fails.
- Advanced refrigerant control: Balances refrigerant mass flow rate across multiple outdoor units.
Easy Installation
- Easy transport: Designed for forklift, lifting belts, and small elevators.
- Easy access: L-shape front panel for expanded work space.
- Simple wiring work: Continuous communication wiring installation.
- Automatic address setting: Automatically assigns addresses to indoor units.
Diagrams illustrate installation examples and wiring methods.
Easy Service & Maintenance
- 7-segment LED: Displays operational and error status without special equipment.
- Movable PCB panel: Facilitates maintenance.
- Error diagnosis: Error codes displayed on outdoor units, wired controllers, or via Service Tool.
- Service Tool: Software for detailed analysis of operation status and error history.
- Remote monitoring: Web Monitoring system allows real-time monitoring over the internet.
Diagrams show the connection for service tools and remote monitoring systems.
Controllers
Fujitsu General offers a wide array of controllers to manage AIRSTAGE VRF systems, catering to individual, group, and central control needs.
- Individual Control: Wired Remote Controllers (Touch Panel, Standard), Simple Remote Controllers, Wireless Remote Controller.
- Centralized Control: Group Remote Controller, Central Remote Controller, Touch Panel Controller, System Controller (UTY-APGX), System Controller Lite (UTY-ALGX).
- System Management: Software solutions like System Controller and System Controller Lite provide advanced monitoring, scheduling, and energy management.
A comparison table details the functions and capabilities of various controller models.
System overview diagrams illustrate how different controllers integrate into the VRF network.
Adaptors & Convertors
These components facilitate integration with other building systems and network expansion.
- BACnet® Gateway (UTY-ABGX): Connects VRF systems to Building Management Systems (BMS) via BACnet®, a global standard for open networks.
- Network Convertor (UTY-VLGX / UTY-VGGXZ1): Enables connection to BMS or single split systems.
- External Switch Controller (UTY-TEKX): Allows control via external sensors or card-key systems, ideal for hotel rooms.
- Signal Amplifier (UTY-VSGXZ1): Extends transmission line length for large systems.
Installation examples show how these adaptors and convertors connect within the VRF network.
Service & Maintenance
Tools and software are available to simplify installation, maintenance, and troubleshooting.
- Service Tool (UTY-ASGX): Software for detailed monitoring, analysis, and error history management.
- Web Monitoring Tool (UTY-AMGX): Enables remote monitoring and troubleshooting over the internet.
Wiring diagrams illustrate connections for service tools and remote monitoring.
