The COOLSHIFT M models offer a space-saving solution for medium-capacity applications – ideal for hotels, multi-family housing, or smaller industrial processes. With heating capacities of up to 300 kW and cooling capacities of up to 180 kW, they reliably meet the demands of modern heating and cooling technology. Combining an efficient CO₂ refrigeration cycle with ejector lift and variable capacity control, they deliver maximum operating efficiency in a compact footprint. Thanks to their small design, the units are perfectly suited for retrofits or locations with limited technical space.
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Building air conditioning & heating (e.g. multi-family housing, hotels & hypermarkets)
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Industrial cooling
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Process cooling & heating (e.g. breweries, wine production)
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Data centers / server cooling
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CO₂ chiller: air- or water-cooled
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CO₂ heat pump: air/water, water/water or air/air
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Sizes M / L / XL
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Low-pressure ejectors
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Low-pressure oil system with refrigerant separator
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High-efficiency compressors (optional LSPM)
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Capacity control via inverter or cylinder cut-off
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Brazed plate heat exchangers
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Refrigerant receiver
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Active oil management (optional)
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Heat recovery (optional)
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Weather & noise protection housing (optional)
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Control system: Wurm / Carel
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Simultaneous cooling & heating
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Up to 8 bar ejector lift – reduced compressor power consumption
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High supply temperatures in heat pump operation up to 90 °C
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Maximum efficiency at low return water temperatures
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Climate- & environmentally friendly
| Heating capacity max. | 300 kW |
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| Cooling capacity max. | 180 kW |
| Low pressure | 90 bar |
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| High pressure | 130 bar |
The COOLSHIFT M combines a compact design with flexible application options – equipped with the technology of high-performance industrial systems.
Roman Weingart is your contact for CO₂ chillers and heat pumps from the COOLSHIFT series. With technical expertise and HVAC know-how, he supports you in selecting and designing efficient systems – perfectly tailored to your project.
