In residential buildings

Cooling and radiant panel heating systems: Energy and cost-saving solutions

Modern heat pumps in detached and semi-detached houses make an important contribution to achieving climate goals and for this reason are subsidised by the state. But there is another reason to opt for this groundbreaking technology: The units not only heat, they also cool in summer. For this purpose, Wilo provides the right pump solutions, characterised by maximum energy efficiency and reliability.

Use your heat pump for cooling purposes too

In addition to the heating and hot water function, modern heat pumps also provide the option of cooling. This means chilled water circulating through your underfloor heating or panel heating system in summer and on warm days, instead of hot water. This silently lowers your room temperature to a pleasant level, without any cold air flow – as is the case with air-conditioning systems. Wilo pump systems ensure that this happens with minimal energy demand so that your electricity costs don’t rise excessively, comfort levels improve and the environment is protected.

It’s the heat carrier medium of water that makes the dual function of heating in winter and cooling in summer with a panel heating/cooling system possible. This requires a heat sink rather than a heat source, as is the case with heating.

For ground-coupled heat pumps, Wilo offers the right solution for closed and open systems.

The high-efficiency circulators are easy and quick to put into operation, have an extremely long service life and impressive maximum energy efficiency.

In commercial buildings

Digitalisation of pumps: Perfectly integrated and optimised remotely

The digitalisation of pumps and pump systems provides intelligent options to equally increase cost-effectiveness, transparency and sustainability for air conditioning and cooling of large buildings. Wilo provides connected system solutions for this. The advantage: With Wilo’s solutions, it’s possible both to integrate the pumps very easily into a new or existing building management system and to analyse and control them in a smart manner via remote access.

Wilo provides diverse interfaces for pump integration

Wilo provides a variety of analogue and digital interfaces for seamlessly integrating our pump systems into an existing building automation system. For on-site integration, communication interface modules (CIF) can be directly plugged into the pump, therefore establishing communication with the common bus systems. In the latest smart pump generations of the Stratos MAXO and Stratos GIGA2.0, the new Wilo CIF module Ethernet has been added, which establishes modern Ethernet communication with a wide variety of protocols such as BACnet IP and Modbus TCP.

Achieve maximum energy efficiency thanks to overall system optimisation

Whilst it is almost impossible to technically improve upon the pump’s efficiency, the main focus of the new pump generations is therefore to optimise the overall pump system. With Stratos GIGA2.0, we rely on the interaction of IE5 EC motor technology and proven pump hydraulics in combination with innovative control functions. These include, for example, Dynamic Adapt plus, Multi-Flow Adaptation or T-const. This perfectly coordinated interaction allows you to optimise the energy efficiency of the overall pump system.

Convenient connectivity and control for maximum operational reliability

Wilo-Smart Connect is the general Wilo communications platform for you to access existing and future Wilo pumps and pump systems. It enables local adjustment and operation using mobile devices via Bluetooth, as well as a remote access option and multiple pump control thanks to connectivity via Wilo Net. All you need for this is the Wilo-Assistant app and its Smart connect function.

Application examples in cooling

Operation of cooling towers can, for example, be managed via the “Constant volume flow” control function, which can be easily set via the setting assistant.

Two pumps can be connected to one another in twin-head pump operation for secure cooling and air-conditioning operation. One of the two is always active. If one of the pumps malfunctions, the building management system sends a message and the cooling and air-conditioning operation continues securely via the other pump.

For the purpose of cooling large rooms, halls for example, Wilo provides the option of connecting high-efficiency pumps directly to a room temperature sensor on which the target temperature of the room is set. The pump functions according to this target temperature.

For cooling via cooling ceilings, it’s important that the feed temperature is higher than the dew point in order to avoid condensation on the pipes and on the ceiling. In order to support a safe feed temperature, Wilo’s high-efficiency pumps can be controlled to a setpoint feed temperature. A temperature sensor is directly connected to the pump for this purpose.

In order to cover the cooling demand, Wilo enables the feeder pumps to be connected to the secondary pumps at the manifold. It’s then possible to supply the exact volume flow rate required and achieve optimum energy efficiency by means of Multi-Flow Adaptation.

All modern system solutions with Wilo

The cooling system in a building is one of the most essential areas in building services. Pumps are components in this overall system and support its efficiency.

With our circulators, we provide you with solutions for use in all types of application. These include the primary and secondary circuit as well as cooling tower, geothermal energy systems, passive cooling and district cooling transfer stations.

With Wilo, you create the best conditions to maintain the water quality

In closed cooling systems, the treatment of water is instrumental in preventing harmful microbiological contamination, corrosion and limescale in the system. Such problems not only cause unpleasant noises in pipes and heat exchangers, but can also lead to energy losses. Inadequate system performance and safety can result in premature replacement of the system or its components.

With Wilo water quality systems, you provide constant pressure maintenance, venting and replenishment in both closed heating systems (according to EN 12828) and cooling systems.

The products we recommend use proven and innovative technologies to remove air and solids particles from the water, i.e. by using coalescence and reducing the flow rate. Our series of pressure maintenance systems, degassing machines, air and dirt separators and automatic ventilators provide you with the most efficient solution here.

One partner, all services: Wilo

Benefit from our comprehensive support in every phase of the project, from design and dimensioning through to commissioning and maintenance. Together with Wilo, you can ensure sustainable air conditioning and cooling in the long term. Exploit every potential and receive support with design and dimensioning with our life cycle cost analysis (LCC analysis). Achieve significant savings in your energy and operating costs on this sound basis. Design your pump systems perfectly for multiple duty points at different speeds. Proactively replace old pumps and switch to an energy-efficient and cost-efficient system early on.