Astronergy CHSM60M-HC Installationshandbuch - Seite 6
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materials should be higher than Class C.
3.1.6
achieve the Class A system fire rating, with the Class A class racking system.
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.
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 (Figure c).
a) Place the module on the supporting bars underneath.
b) Insert the four stainless-steel bolts (M6) through the holes (7x11.5mm) 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 (M6).
d) The torque for tightening the nut and bolts recommended 13Nm when the property class of
bolts and screws is Class 8.8.
Fig a
Fig b