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NEW - Solar Powered Well-Pump

SW20 - 20 Watt, delivers 80 litres/hour at 10m head (20m head max.)

The pump can easily be powered directly from a solar panel. For example, the SW20 will easily run from a 24 Watt PV module. We can supply a suitable monocrystalline panel with the pump on request.

Specifications
Dimensions: 360 x 55mm, Weight 3.3Kg
Max. current: 1 Amp
Typical Voltage: 16 Volts
Supplied suspension cable length: 10m

Raine or Shine

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SOLAR PHOTOVOLTAIC PANELS

Various panel sizes now available from stock.

20 watt photovoltaic panel

Terminal box

We now stock a small range of solar photovoltaic panels. These are polycrystalline panels made from wafers of silicon laminated between an impact-resistant transparent cover and an EVA rear mounting plate. They are constructed with a lightweight anodised aluminium frame which is predrilled for linking to other frames/roof mounting structure, and contain waterproof electrical terminal box on the rear.

In order to calculate the expected yield from these panels, it is assumed that the UK receives on average (bad days and good days) around 4-5hours peak sun hours during the summer and 1 hour of peak sun hours in the winter. In terms of roof area, 1m2 will generally equate to approximately 140watts of solar PV panel For an array of 1kWp, you would expect to produce around 750kWh of electricity per year, if sited on a suitable south-facing location. Solar yields will vary across the country, and you can expect significantly more solar power from Devon and Cornwall by comparison to Scotland.

Dimensions of panels

• panel (polycrystalline) 29cm x 24cm
• 20W panel (polycrystalline) 54cm x 42cm
• 55W panel (polycrystalline)
• 60W panel (polycrystalline) 117cm x 54cm
• 110W panel (polycrystalline) 147cm x 68cm

NB! dimensions may vary slightly depending on PV efficiency and orientation. If the size is critical, please call us to double check the dimensions at time of order.

Roof Mounting Clearance

Panels mounted on a roof should have at least 3 inches, and preferably 4 to 6 inches, clearance between the bottom of the panel frame and the roof. This allows for air flow under the panels for cooling. Panels should never be mounted so there is no air flow under them, as they can reach very high temperatures that way.

Voc = 22.0v & Vmax = 17.50v