Reference
Raiffeisenlandesbank Vorarlberg Bregenz
Heat generator
- Condensing boiler / gas boiler
- Heat pump
Heat/cooling consumers
- Domestic hot water
- Underfloor heating
- Radiators / static heating
- Ventilation
Planning
- Innotech - innovative Gebäudetechnik GmbH
Execution
- Hörburger GmbH und Intemann GmbH
Heat pump and condensing boiler technology combined
The heat pump takes over the entire heat output for the building during the warm transitional period, i.e. during light heating operation. A boiler is only activated when hot water is required. Thanks to hydraulic decoupling, all consumer groups receive the volumes of water they require, regardless of the amount of water requested. The boilers can supply the missing energy precisely using condensing technology. At the same time, when outside temperatures are cooler, the heat pump first heats the cold system returns to 45 °C and the remaining energy is supplied by the boilers as mentioned above.
Benefit
Efficient
- extremely high efficiency (COP) for the heat pump due to exact temperatures in the Zortström.
- best possible output control of the heat pumps depending on the temperatures in the Zortström.
- speed-regulated high-efficiency pumps run with minimal power consumption and do not rock each other.
- very good utilization of the heat pump output.
Simple
- uncomplicated, clear hydraulics despite a wide variety of load and operating conditions.
- simple combination of heat pump and boilers.
Safe
- the required temperatures are precisely available in the Zortström at all times.
- transparent control increases operational safety.