Emerson Process Management 3420 Carbon Monoxide Alarm User Manual


 
90 Upper electronics housing to base unit security seal
Section 3: Installation Reference, Installation, and Operations Manual
June 2013 3-9000-743 Rev S
3.6.2 Upper electronics housing to base unit security seal
Use the following instructions to install the security seal wire from the Upper Electronics
Housing Base Unit Cover to the Base Unit.
Figure 3-28 Upper electronics housing to base unit security seal
1. Install security wire seal into and through the holes in the two socket head screws on
the Base Unit cover (maximum wire diameter 0.078 inch; 2.0mm) (see Figure 3-28).
2. Position the wire to prevent counterclockwise rotation of the screws when the seal wire
is taut.
3. Twist and adjust wire removing all slack and seal.
4. Remove excess wire.
Upper electronics housing
Base Unit
Security seal
Base Unit
cover
Base Unit
cover