Flex Air-Cooled Chiller
Cooling capacity: 87 - 164 kW





- Tandem scroll compressors and EC fans, coupled with micro-channel condensing coils: ensures maximum efficiency and system flexibility. Size 026 features inverter-driven scroll compressor.
- Scalable system: ability to connect up to six Flex units of similar frames to one single Multimanager controller
- Extended operating map on both operating ambient temperature (-20 up to 48°C) and leaving water temperature sides (-12°C to +20°C) makes the unit suitable for a wide range of applications
- Highly configurable to meet specific performance and budget requirements in comfort or process applications
- Completely integrated hydraulic kit (buffer tank and pumps)
- Partial heat recovery or total heat recovery (optional)
- Quiet operation thanks to XXLN version, featuring enhanced sound proofing insulation and dedicated fans.
- Slim design: ideal to fit in elevators for projects with difficult access (width 1100 mm, height without fans < 2000 mm)
Compact: models just 1.1 meter wide
Flex units can be easily lifted and moved. They fit through doorways and into standard elevators, making them a perfect choice for challenging projects involving replacement in older buildings and/or confined spaces.
Ultimate modularity - scalable beyond 1000 kW cooling capacity
Flex's modularity is ideal when capacity extension is required as the building demand or process cooling demand evolves.
Up to 6 units can be combined and connected thanks to an optional dedicated hydraulic connection kit.
The Multimanager controller based on Symbio 500 proprietary hardware and software can manage a cascade up to 6 units, pumps management in case of shared pump(s), diagnostics, manifold inlet and outlet temperature probes.
All-in-one solution
The Trane FLEX chiller can be fitted with a range of hydraulic kits, offering either inverter-driven pumps or simple on/off pumps to match specific application needs.
Despite its compact footprint, the unit can incorporate a large integrated tank, delivering a convenient plug‑and‑play solution. The entire hydraulic circuit can also be enclosed within a protective metal housing.
Optional aesthetic grilles and metal mesh filters are available to help safeguard the outdoor coils from accidental damage.
Dedicated features and options for Process applications
Flex units include features designed for process applications, such as a boxed-in refrigerant circuit and an IP54‑certified electrical panel.
In addition, a wide range of accessories is available, including metal mesh filters to protect outdoor coils in dusty environments and a bypass water valve to prevent water hammer in the circuit.
Flex are available in 7 different cooling capacities. Features can be optimized to suit the building’s size, cooling demand and function.
Size 026 features DC inverter compressor.Your Trane Sales Engineer will help you select the right chiller based on your specific performance criteria and available (roof) space.
Technical Specifications
| Product name | Cooling capacity | Heating capacity | Eurovent certification | ErP Certification |
|---|---|---|---|---|
| Flex Air-Cooled Chiller | 87-164 kW | N/A |
| Compressor | Refrigerants | Energy saving | Operating mode | Data protocols | Unit type |
|---|---|---|---|---|---|
| Scroll | R454B | Heat recovery Adaptive Frequency™ Drive | Cooling only | Bacnet Modbus | Air-to-water |
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