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9.
Locate the collector temperature sensor, couplant tube, and extension cable. Locate the collector temperature sensor well
in the top left corner of the collector bank (last collector in the collector array with "hot" pipe connected). Fill the collector
sensor port with couplant and then insert sensor into the sensor well. Secure the sensor in place with insulating tape.
10. Connect the extension cable to the collector temperature sensor. Drill a 1" hole alongside the collector flange near the
temperature sensor well. Route the cable from the cable wall down through the 1" hole.
11. Secure the side flanges of the collectors to the roof structure using four self-tapping stainless steel mounting screws
spaced 16" on center per side. Carefully remove the temporary support from the bottom edge of the collectors and secure
the bottom flange of all collectors to the roof structure using the remaining self-tapping stainless steel mounting screws.
When possible, screws shall be located to secure the collectors to the roof supports below. Wrap collectors with self
adhesive underlayment on all four sides.
Part 3: Solar water heater system installation – 19
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