FIP FLS M9.03 Instruction Manual page 6

Wall installation
Use the panel mounting kit (M9.SN1) to fix the M9.03 on the dedicated frontal
cutout of the wall mounting kit (M9.KWX).
Tighten front screws of box and waterproof connectors of cables, internally
mount caps on screw sites to get a IP65 watertight installation.
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