Water Source Heat Pump Loop Design

In addition unlike ground source heat pumps water source heat pumps do not require trenches for coils to be laid in although open loop systems often require filtration.

Water source heat pump loop design.

Simple in design a wshp rejects heat in the cooling cycle through a cooling tower loop. Each unit is an independent packaged system eliminating the chance of a total system failure. When a non condensing boiler condenses soot is formed which builds up on the heat exchanger and burners and reduces its thermal efficiency. From one medium to another.

Water source heat pump wshp and ground source heat pump gshp systems. Heat is moved through an interconnected water loop and either rejected through a cooling tower or put to work in other areas. The design and installation of ground source systems should be undertaken with care and attention. A water source heat pump extracts heat from the water when in the heating mode and rejects heat to the water when in the cooling mode.

As the most energy efficient hvac systems on the market water source heat pumps wshps are uniquely simple in design. Water source heat pump applications utilize low system return temperatures and most boiler designs such as cast iron and smooth tube cannot operate with system temperatures below 140 f without condensing. The closed loop water source heat pump concept provides an extremely simple highly flexible and unusually reliable semi decentralized system approach to year round space conditioning of multi room buildings. They can be open loop or closed loop systems.

Once filled with fluid and purged of air nothing enters or leaves this closed loop system. In combination with the heat pump s water to refrigerant heat exchanger they form a closed loop piping system. Water for closed loop heat pumps is usually circulated at 2 25 to 3 00 gpm per ton of unit cooling capacity. One of the most efficient and reliable hvac systems for your building is a water source heat pump wshp.

The closed water loop provides condenser water to the interior zone cooling units picking up the heat normally rejected to a cooling tower and transferring it as the heat source evaporator load for the perimeter zone heat pumps. The chiller condenser water heat is recovered instead of being rejected to the outside and used as a heat source for a water source heat pump system serving the perimeter spaces. Each unit is individually packaged and relieves the stress of having the building rely on one hvac unit to. The piping loop s begin and end at the heat pump.

Cp3 and cp2 for open loop groundwater source heat pumps and surface water heat pump systems respectively. Open loop systems can present particular challenges and will require the services of a specialist. The water supply may be a recirculating closed loop or a once thru system using water from a well a pond or a stream.