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10 en | Install the Bases F220 Series Detectors with F220-B6/C/E/R Bases
4998138694 -04 | 2007.01 Installation Manual Bosch Security Systems, Inc.
providing tamper protection. An EOL power supervision
module, such as a D275 or an F220-B6E Power Supervision
Base and an EOL resistor as specified by the control panel
manufacturer, supervises power.
3 Install the Bases
3.1 Mount the Bases
With the exception of the F220-B6E base, all four-wire bases
can be used in any combination within a loop. One F220-B6E
Power Supervision Base can be used as the last base on a loop
in four-wire systems to provide power supervision.
1. Release the mounting skirt from the mounting base. Use a
screwdriver at the location of the snap locks (refer to
Figure 2.1, item 12, page 5) to release the mounting skirt.
2. Run all system wiring (refer to Section 3.2 Wire the Bases).
3. Mount the base using the two oblong mounting holes. Fits
4 in. square, octagon, AB, and single-gang back boxes.
4. Tighten the base to the mounting surface. Tighten until
snug, but not distorted.
i
NOTE! Follow NFPA 72 guidelines for mounting locations.
For commercial and industrial installations, 30 ft (9 m)
spacing between smoke detectors is recommended.
i
NOTE! Depending on local regulations, you can surface
mount the bases using anchors, mollies, or wing nuts, or
you can mount directly on back boxes.
i
NOTE! The electrical box must be large enough to
accommodate the number and size of conductors
specified by the National Electrical Code or any local
authorities having jurisdiction (AHJ).
4998138694Er7.book Page 10 Thursday, March 1, 2007 8:42 AM