CHILLER / COOLING & HEATING
The OffiTec modular high-capacity air-cooled chiller unit is engineered for large industrial facilities, process cooling lines, data centers, and high-flow HVAC applications. Its extended modular body accommodates multiple compressors and large-surface heat exchangers, delivering exceptional efficiency. With advanced axial fan technology, an intell
Cooling Capacity
450 kW (35/40 °C, 7/12 °C)
Energy Efficiency
EER up to 3.15 – part load optimized
Sound Pressure
Down to 58 dB(A) at 10 m
Refrigerant
R410A (option R32 / R454B)
CLIMATE LAB
Air-cooled chiller for chilled water production in HVAC and process applications. Scroll compressors, shell & tube condenser and plate evaporator. Performance data according to EN14511 and Eurovent conditions.
| Cooling capacity | 450 kW @ 35 °C ambient / 7–12 °C water |
|---|---|
| EER (full load) | 3.15 |
| Cooling capacity (partial load) | 120–450 kW (multi-scroll staging) |
| Heating capacity (heat pump) | 480 kW @ 7 °C ambient / 40–45 °C water |
| COP (heating) | 3.25 |
| Chilled water temperature range | +5…+18 °C |
| Leaving water temperature stability | ±0.5 K with electronic expansion valve |
| Max leaving water temperature (heat pump) | +55 °C |
| Ambient temperature range (cooling) | -10…+46 °C (low ambient kit optional) |
| Net dimensions (L×W×H) | 4200 × 2200 × 2500 mm |
|---|---|
| Net weight | 3,250 kg |
| Refrigerant type | R410A (option R32 / R454B) |
| Number of circuits | 2 independent refrigerant circuits |
| Water connections | DN125 flanged (inlet / outlet) |
| Nominal water flow | 77.4 m³/h (ΔT = 5 K) |
| Water pressure drop | 55 kPa (plate heat exchanger) |
| Max working pressure (water side) | 10 bar |
| Min water content (system) | 1.5 L/kW (min. 675 L) |
| Sound pressure level (10 m) | 58 dB(A) – night mode available |
| Installation location | Outdoor – rooftop, yard or technical terrace |
| Power supply | 400 V / 3Ph / 50 Hz (+/-10%) |
|---|---|
| Installed power (compressors) | 4 × 75 kW scroll compressors |
| Fan motors | EC axial fans, total 8 pcs |
| Maximum running current | ~360 A |
| Starting method | Soft start / inverter (depending on configuration) |
| Control panel | Microprocessor controller with BMS (Modbus / BACnet) |
| Protection degree | IP54 electrical cabinet |
| Remote on/off & alarm contacts | Standard, volt-free contacts |
