RTDF
Cooling capacity: 112 - 365 kW
- Air-cooled ammonia chiller for deep freezing applications
- Leaving glycol temperature between -12°C and -30°C at ambient temperatures between -10°C and +47°C
- Very high efficiency in deep freezing applications
- Zero GWP, non-ozone depleting, ultra-low ammonia (NH3 / R717) charge - only 70 g per kW
- Semi-hermetic screw compressor with permanent magnet motor
- Microchannel condenser coils and stainless steel welded plate evaporator
- 112 -365 kW (at 35 °C ambient, -19°C / -25°C 50% EG)
Leading efficiency and performance in deep freezing applications
The RTDF ammonia chiller is dedicated to deep freezing process applications where chiller leaving glycol temperature is between -12°C and -30°C. The RTDF design is optimized to offer very high efficiencies at these deep freezing temperatures.
Partial or total heat recovery options further improves the energy efficiency of the process application and enables production of hot water while cooling.
Ultra-low charge ammonia refrigerant
RTFD uses zero GWP and non-ozone depleting ammonia (NH3 / R717) refrigerant with ultra low charge – only 70 g per kW is needed. Ultra-low refrigerant charge enables easier safety regulations for unit transportation and installations.
RTDF deep freezing ammonic (R717) chillers have 7 sizes ranging from 112 to 365 kW at +35°C ambient, -19°C / -25°C 50% EG).
Technical Specifications
| Product name | Cooling capacity | Heating capacity | Eurovent certification | ErP Certification |
|---|---|---|---|---|
| RTDF | 112-365 kW | N/A | N/A |
| Compressor | Refrigerants | Energy saving | Operating mode | Data protocols | Unit type |
|---|---|---|---|---|---|
| Screw | R717 | Heat recovery Adaptive Frequency™ Drive | Cooling only | Modbus | Air-to-water | |
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