Bubble Action Pumps Ltd.

Solar and Woodburning Bubble Pump Installation


SOL Perpetua™ System Installation - Plumbing

The vertical piping connecting the inlet and outlet of the bubble pump to the outlet and inlet of the heat exchanger should be run in the most direct manner possible and preferably through the house rather than exposed on the outside. Every attempt should be made to install piping in houses when they are being built before wall cladding is in place.

As with any plumbing system all piping should drain properly and with the SOL Perpetua" system there should be no place where air can become trapped. Trapped air will eventually dissolve into the working fluid, come out of solution in the bubble tube and end up in Chamber "B" but a proper start up will take more time. From the Module and from the Panels, piping should slope upwards to the bubble pump a minimum of 2%.

Separate connections to the tank for the convective circuit are preferred. If, however, there are insufficient connection points on the tank to do this, the convective circuit connections can be combined with the water inlet from the mains and the water outlet to the fixtures in the manner shown in Fig 3. The connections shown on the "wrong" drawing would result in cold incoming water being pushed through the heat exchanger and ending up at the top of the tank.



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