223846 / YA6060300010
2022-07-11·BA00·III·en·05
Mounting and installation
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Audible signalling device
Series YA60
7.3.4 Mounting the device
• Carefully insert the connected circuit board.
• Connect the horn flange to the circuit board.
• Set the horn flange on the enclosure. Do not clamp in any cables in the process.
• Insert the horn flange in a straight position without applying any pressure.
• Insert the M5 x 16 cheese-head screws and tighten them to a tightening torque of
3 Nm.
• Re-attach the cover using three PT screws (4.0 x 12) and tighten the screws to a
tightening torque of 0.4 Nm.
7.3.5 Mounting the earth connection
• The device must be provided with a good quality earth connection.
• The internal earth connection is the primary connection point. The external connection
is an additional equipotential bonding conductor and is used where local code or
authorities permit or require such a conductor.
16550E00
Screws and seals
The cheese-head screws are delivered with Nyltite seals.
• Before mounting, check the seals for damage.
• Replace damaged seals.
• Use seals a maximum of 5 times.
• When using screws on a flat surface, note the seal on the screw
head – see figure.
15748E00