WARNING: Some materials such as, but not limited to, tetraethyl lead,
silicones, some sulfur, phosphorus, and chlorinated compounds may
have a poisoning eect resulting in a loss of sensitivity.
Wall Mounting
Mounting is usually done on concrete walls or columns, but the unit
can be mounted on any vertical surface. The housing is designed with
spacers on the back to allow moisture to flow behind the housing without
affecting the unit.
• Mounting holes are located inside the housing. Open the unit to
access mounting holes.
• Drill and mark the holes, as shown:
- Width 11.1 cm (4 3/8”) apart (if mounting directly to wall)
- Height 8.3 cm (3.281”)
11.1 cm (4 3/8”)
8.3 cm
(3.281”)
Figure 1. Unit Dimensions
• Pre-drill mounting holes from the back of the unit as needed.
• Securely mount the unit using the appropriate screws and
anchors. The unit is designed to use #6 screws. Tighten to 8.7
in-lb (1 Nm) maximum.
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