After the bottom of the high mass storage area is insulated, a 6" layer of soil from the excavation pile is compacted on top of the insulation layer. A welded wire mesh is placed over the compacted soil to create an even distribution of heat and provide a matrix for attaching the heat transfer tubing.
Aug 23: Compaction over insulation completed, below.
Aug 24: Welded wire mesh installed and PEX tubing installation begins. All tubing circuits will start and end at manifolds located in the Utility Room. A mock-up of the manifold location with the first circuit in place is shown in the photo, below.
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High Mass Storage Tubing Layout |
The drawing above shows the precise layout of each of ten 300' long circuits of 1/2" diameter PEX tubing, which will deliver heat from the solar collector array to the high mass storage area. The photo below shows the first circuit in place, which is attached to a wire mesh and corresponds to the circuit appearing in the lower right-hand corner on the drawing.
Aug 25: PEX tubing installation completed, below. The ambient temperature reached 110 F today!
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