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1: Expansion bolt
2: Channel steel
3: Bolt
4、6: Nut
5: Plate collector 7: Collector fixing
hook
Step 1: Drill 3 holes on the external wall and insert the expansion bolt 1 into the holes;
Step 2: After drilling holes on the channel steel 2, fix the channel steel 2 and collector fixing hook 7 onto the
external wall with expansion bolt 1 and nut 4.
Step 3: Put the plate collector onto the collector fixing hook 7 and stabilize; Fix the plate collector 5 onto the
channel steel 2 with bolt 3 and nut 6 through the fixing holes on the outer frame of the plate collector.
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