Chillers
Green series
Pro-Edition
With the new „Pro Edition“ you are also on the safe side in the long term regarding the restrictions on use (F-Gas-Regulation). Perfect tailored for respective commercial cooling and air conditioning our series enables by using propane (GWP: 3) or propene (GWP: 3) an almost emission-free refrigerant charge at highest energy efficency.
| cooling capacity | 5 kW to 1.800 kW |
| refrigerant | R290 / R1270 |
| outlet temperature | + 15 to – 20 °C / 0 bis – 25 °C |
| Umgebungstemperatur | - 10 to + 42 °C |
Cascade chiller (low temperature)
Our cascade chillers specially designed for the commercial cooling and freezing use only natural refrigerants and provide the generated cooling capacity in two temperatur ranges.
- normal temperature: +15 to -25 °C (R290 propane or R1270 propene)
- low temperature: -10 to -30 °C (R744  available as indirect system or direct evaporation up to -50 °C)
| cooling capacity | 5 kW to 750 kW |
| refrigerant | R290 / R1270 and R744 |
| outlet temperature | + 15 to – 20 °C / 0 to – 25 °C and – 10 to - 30°C |
| ambient temperature | - 10 to + 42 °C |
Cascade chiller (ultra low temperature)
Our product portfolio contains a cascade chiller based on ethane (R170) for the ultra low temperature cooling below - 30 °C (e.g. test chamber). In addition to air conditioning and normal cooling by propane/propene, the use of ethane also allows the temperature to be reduced to - 60 °C.
- normal temperature: +6 to -10 °C (R290 propane or R1270 propene)
- ultra low temperature: to -60 °C (R170 ethane available as indirect system or direct evaporation up to -70 °C)
| cooling capacity | 5 kW to 250 kW |
| refrigerant | R290 / R1270 and R170 |
| outlet temperature | + 15 to – 20 °C / 0 to – 25 °C and – 20 to -40°C |
| ambient temperature | - 10 bis + 42 °C |
NH3 - Chiller
Maximum efficiency at minimal costs. Through the implementation of semi-hermetic-screw-compressors, the advantages of the best refrigerant R717 (ammonia) are optimally used. This enables the savings in investment (lower material requirement) as well as in operational costs (higher efficiency).
| cooling capacity | 300 kW to 2.000 kW |
| refrigerant | R717 |
| outlet temperature | + 15 to -15 °C |
| ambient temperature | - 10 to + 42 °C |
Conventional Chillers
| cooling capacity | 5 kW to 2.000 kW |
| refrigerant | R134a / R449a / R410a / R513a / R448a / R32 |
| Evaporation temperature | + 15 to – 30 °C |
| ambient temperature | - 10 to + 42 °C |
Our conventional chiller series combine tried and tested technology with modern individuality. The following refrigerants and the respectives alternatives are available for a reliable cold water cooling (or brine):
| traditional refrigerants | alternative refrigerants | ||
|---|---|---|---|
| refrigerants | outlet temp. | refrigerants | outlet temp. |
| R134a | + 15 to – 10 °C | R513a | + 15 to – 6 °C |
| R449a | + 15 to – 24 °C | R448a | + 15 to – 20 °C |
| R410a | + 15 to – 30 °C | R32 | + 15 to – 30 °C |
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