Knie’s Children’s Zoo with new cooling technology for high temperatures

The elephant house and restaurant of the Knie’s Children’s Zoo in Rapperswil are heated using the high-temperature heat pump CTAexklusiv. Water from Lake Zurich is used as a heat source.
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In brief

  • Heating capacity: 263.6 kW, cooling capacity: 180.0 kW

  • Electrical power input: 88.0 kW

  • Coefficient of performance (COP) value: 3.0

  • Hot water inlet: +50°C, outlet: +65°C

Even with a lake water temperature of +3.5°C, the heat pump produces +65°C heating water at full capacity. The heat pump is operated in parallel with a gas boiler and can be expanded with two additional heat pumps.

  • New build/energy contracting (360° energy)

  • Refrigerant: R134a

  • Heating capacity: 263.6 kW, cooling capacity: 180.0 kW

  • Electrical power input: 88.0 kW

  • Coefficient of performance (COP) value: 3.0

  • Hot water inlet: +50°C, outlet: +65°C

  • Lake water inlet: +4°C, outlet +2°C

  • Compressor type: Reciprocating piston (4 pcs)

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