SYSTEM SENSOR B300-6 6 Inch Plug-In Detector Bases Instruction Manual

: June 9, 2024
: SYSTEM SENSOR

Table of Contents

SYSTEM SENSOR B300-6 6 Inch Plug-In Detector Bases Instruction Manual
INSTALLATION AND MAINTENANCE INSTRUCTIONS
SPECIFICATIONS
BEFORE INSTALLING
GENERAL DESCRIPTION
BASE TERMINALS
FIGURE 1. TERMINAL LAYOUT
MOUNTING
FIGURE 2. MOUNTING DETECTOR TO BOX
INSTALLATION AND WIRING GUIDELINES (SEE FIGURE 3)
TAMPER-RESIST FEATURE
REMOTE ANNUNCIATOR (RA100Z)
FIGURE 3. TYPICAL WIRING DIAGRAM FOR 2-WIRE LOOP
FIGURE 5A. ACTIVATE TAMPER-RESIST FEATURE
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SYSTEM SENSOR B300-6 6 Inch Plug-In Detector Bases Instruction Manual

INSTALLATION AND MAINTENANCE INSTRUCTIONS

B300-6 and B300-6-IV
6″ Plug-in Detector Bases

SPECIFICATIONS

Base Diameter: 6.1 inches (155 mm)
Base Height: 0.76 inches (19 mm)
Operating Temperature: Refer to applicable sensor Operating Temperature Range using the Base/Sensor Cross Reference Chart at systemsensor.com.
Electrical Ratings:
Operating Voltage: 15 to 32 VDC
Standby Current: 170 µA
Listings: UL268

BEFORE INSTALLING

Please read the System Smoke Detectors Application Guide, which provides detailed information on detector spacing, placement, zoning, wiring, and special applications. Copies of this application guide are available from System
Sensor. NFPA 72 guidelines should be observed.
NOTICE: This manual should be left with the owner/user of this equipment.
IMPORTANT: The detector used with this base must be tested and maintained regularly following NFPA 72 requirements. The detector should be cleaned at least once a year

GENERAL DESCRIPTION

The B300-6 and B300-6-IV are plug-in detector bases intended for use in an intelligent system, with screw terminals provided for power (+ and –), and remote annunciator connections. Communication takes place over the power lines (+ and –).

BASE TERMINALS

NO. FUNCTION

Power (–), Remote Annunciator (–)
Power (+)
Remote Annunciator (+)

FIGURE 1. TERMINAL LAYOUT

MOUNTING

This detector base mounts directly to 4-inch square (with and without plaster rings), 4-inch octagon, 31 /2-inch octagon, and single gang junction boxes.
To mount, remove the decorative ring by turning it in either direction to unhook the snaps, then separate the ring from the base. Install the base on the box using the screws supplied with the junction box and the appropriate mounting slots in the base.
Place the decorative trim ring on the base and rotate it in either direction until it snaps into place. (See Figure 2.)

FIGURE 2. MOUNTING DETECTOR TO BOX

INSTALLATION AND WIRING GUIDELINES (SEE FIGURE 3)

All wiring must be installed in compliance with all applicable local codes and any special requirements of the authority having jurisdiction. Proper wire gauges should be used. The conductors used to connect smoke detectors to control panels and accessory devices should be color-coded to reduce the likelihood of wiring errors. Improper connections can prevent a system from responding properly in the event of a fire.
For signal wiring (the wiring between interconnected detectors), it is recommended that the wire be no smaller than 18 AWG (0.823 mm²). Wire sizes up to 12 AWG (3.31 mm²) may be used with the base.
Make electrical connections by stripping about 3/8 inch (10 mm) of insulation from the end of the wire (use strip gauge molded in base). Then slide the wire under the clamping plate and tighten the clamping plate screw. Do not loopthe wire under the clamping plate. (See Figure 4.)
Check the zone wiring of all bases in the system before installing the detectors. This includes checking the wiring for continuity, correct polarity, ground fault testing and performing a dielectric test.
The base includes an area for recording the zone, address, and type of detector being installed. This information is useful for setting the detector head address and for verification of the detector type required for that location.
Once all detector bases have been wired and mounted, and the loop wiring has been checked, the detector heads may be installed in the bases.

TAMPER-RESIST FEATURE

NOTE: Do not use the tamper-resist feature if a removal tool will be used.
The detector base includes a tamper-resist feature that prevents removal of the detector without using a small screwdriver or similar tool.
To activate this feature, use needle-nose pliers to break the tab on the detector base as shown in Figure 5A. Then, install the detector.
To remove the detector from the base once the tamper-resist feature has been activated, remove the decorative ring by rotating it in either direction and pulling it away from the base. Then, insert a small screwdriver into the notch, as indicated in Figure 5B, and press the plastic lever toward the mounting surface before rotating the detector counterclockwise for removal.
The tamper-resist feature can be defeated by breaking and removing the plastic lever from the base. However, this prevents the feature from being used again.

REMOTE ANNUNCIATOR (RA100Z)

Connect the remote annunciator between terminals 1 and 3 using the spade lug terminal included. The spade lug terminal is connected to the base terminal as shown in Figure 6.
It is not acceptable to have three stripped wires under the same wiring terminal unless they are separated by a washer or equivalent means. The spade lug supplied with the model RA100Z is considered an equivalent means. See Figure 3 for proper installation.