Drayton SHR52120 Solar Thermal Controller
Drayton SHR52120 Solar Thermal Controller
Find out more about (and buy) the Drayton SHR 521 20 solar thermal controller
solar | water | heating | electronics | shoppingFor all but the simplest
solar water heating system, a
pump controller is a vital component. A solar water heating pump controller constantly measures the temperature of the solar panel (aka
solar collector), and the stored hot water tank (aka
hot water cylinder) to decide whether the pump should be on. If the panel is hotter than the tank then the cooler water is pumped through the panel to be heated up. If the hot water tank is hotter than the panel, then the pump is turned off so that the stored hot water is not cooled in the panel.
If a simple reliable and economical solar water pump controller is required then we of course recommend our own
Solar Water Pump Controller still available for just
£25.99. However, if a more complex controller is required with a graphical display, automatic frost protection, automatic backup heating from a conventional boiler, and more, then the
Drayton SHR52120 is an excellent unit to consider.
Drayton SHR 521 20 Solar Thermal Controller
The
SHR 521 20 is a
differential temperature controller for use with
solar thermal systems, and is supplied with high quality
PT1000 temperature sensors. It is very simple to install (though a qualified electrician is required) and intuitive to set up and operate. It is designed to control one or two mains powered
circulation pumps rated at up to 4 Amps, and its own power consumption is below 2 Watts (therefore costing just £2 per year to run).
For an overview of the features of this controller, click here to download a two page guide to the
Drayton SHR 52120. For all the information you'll need on installation, mainenance, set up, and running the controller, click here to download the detailed
Drayton SHR 52120 User Manual (2MB 20 page PDF)
Buy a Drayton SHR 52120
The
Drayton SHR 52120 is available best priced in the UK from
Screwfix Direct. Click here to
buy Drayton SHR52120 now for around
£160 including VAT.
Article Last Modified: 11:44, 3rd Oct 2009Comment on this Article
If you have any comments on this article, please email them to
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