Jinyuan Lighting EcoMatters JY M72 Series Installation Instructions Manual page 12

Design load：3600 Pa for positive (downward) and 1600 Pa for negative (upward);
Safety factors γ =1.5
m
Install with screws through the mounting hole Mounting hole Screw installing
using 8 mounting holes Clamp fixed installation
Clamp installation permit range on the long side
Clamp installation permit range on the short side
Frame embedded installation Clamp installation permit range
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Jinyuan Lighting