3. A proper tube-bending tool is required for bends around middle collector.
4. Cut off excess tube with a proper tube-cutter. Use a light feed to minimize burr, work-hardening and
compression of tube. Remove burrs with de-burr or ream tool.
5. Install flare-nuts and flare header ends.
6. Connect flare fitting 90˚ elbows onto header ends and collector tube-ends.
Do not tighten them.
7. Insulate header tube with supplied 3/8” (9.5 mm) closed cell insulation.
8. With header tube underneath panel connect and tighten flare fitting 90˚ elbows onto
line-set and collector tube-ends.
9. Repeat steps 5 to 8 for opposite header tube.
6.4.4 Four-Collector Configuration
Solar Collector
Installation Manual
Custom flare fitting unions
Roof penetration
Flare fitting 90
˚
elbows
Flare fitting tees
Fig. 6.4.4 – Four collectors configuration.
Flare fitting 90
˚
elbows
28
Module 4
Summary of Contents for EWRA1
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