Bosch Appliances F220-B6 installation manual Install the Bases, Mount the Bases

10 en Install the Bases F220 Series Detectors with F220-B6/C/E/R Bases

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

3.1Mount 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.

NOTE! Follow NFPA 72 guidelines for mounting locations.

i For commercial and industrial installations, 30 ft (9 m) spacing between smoke detectors is recommended.

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.

NOTE! Depending on local regulations, you can surface

i mount the bases using anchors, mollies, or wing nuts, or you can mount directly on back boxes.

NOTE! The electrical box must be large enough to

i accommodate the number and size of conductors specified by the National Electrical Code or any local authorities having jurisdiction (AHJ).

4.Tighten the base to the mounting surface. Tighten until snug, but not distorted.

4998138694 -04 2007.01 Installation Manual Bosch Security Systems, Inc.