Astronergy CHSM60M-HC Installation Manual - Page 6

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3.2

Installation Methods

3.2.1 Bolting through the mounting holes

All modules (excluding the double glass module) must be securely fastened with at least 4

bolts ( Figure a and Figure b). For maximum security against strong winds or heavy snow falls, all

of the mounting holes are recommended to be used（Figure c）.

Remark: As for above diagram, the solid red arrows indicate primary bolt positions; dashed

blue arrows indicate positions where bolts can be added for additional support.

Bolts are inserted as described in the process below (Sketch figure d).

a) Place the module on the supporting bars underneath.

b) Insert the four stainless-steel bolts (M6) through the holes (7x11.5mm) or stainless-steel

bolts (M8) through the holes (9x14mm) in the frame according to the Figure a & Figure b.

For maximum security against strong winds and heavy snow, all available mounting holes

should be used.

c) Secure each bolt to the frame with stainless-steel washers, one for each side of the

mounting structure; and screw on either a stainless-steel spring washer or a toothed lock

washer. Finally, secure with a stainless steel nut.

d) The reference value of tightening torques should be within 9~12Nm & 17~23 Nm

respectively for M6 & M8 bolts, depending on bolt class. For the bolt grade, the technical

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Fig a

Fig c

Fig b