MPPT Residential Heat Pump (Solar Assisted)
The Challenge & Use Case
The Solimpeks solar-assisted residential heat pump system combines photovoltaic panels, a heat pump, a buffer tank and an enamelled domestic hot water cylinder. Solar electricity supports heat pump operation, while the hydraulic system supplies space heating and domestic hot water through separate circuits.
Who it's for:
- Homes with existing or planned PV systems
- off-grid or grid-limited properties.
System Diagram
System schematic coming soon
Key Features
How the System Works
- Solar electricity supply: Series-connected PV panels provide solar electricity to support the heat pump. The illustrated PV configuration is labelled with maximum values of 352 V, 12.88 A and 4.5 kW.
- Space heating: The heat pump connects to a buffer tank serving the heating distribution system. Separate circulation pumps supply the underfloor heating and radiator circuits.
- Domestic hot water: An enamelled cylinder stores domestic hot water, heated through an internal coil connected to the heat pump circuit.
- Flow distribution: A three-way valve directs the heat pump’s heated water towards the buffer tank or the domestic hot water cylinder.
- Hot water circulation: The illustrated domestic hot water circuit includes a circulation return with a pump and check valve.
Key Features
- PV-assisted heat pump configuration for residential applications.
- Integrated space heating and domestic hot water production.
- Buffer tank serving the heating circuits.
- Underfloor heating and radiator circuits shown in the system layout.
- Separate enamelled cylinder for domestic hot water storage.
- Three-way valve for distribution between heating and hot water circuits.
- Dedicated circulation pumps and associated hydraulic components.
System Components
- Series-connected photovoltaic panels.
- Solar-compatible residential heat pump.
- Buffer tank.
- Enamelled domestic hot water cylinder with an internal heating coil.
- Three-way valve and circulation pumps.
- Expansion vessels, strainers, check valves and a pressure reducer.
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