B610LP PLUG-IN DETECTOR BASE
INSTALLATION INSTRUCTIONS
FOR USE WITH THE FOLLOWING SMOKE DETECTOR MODELS:
IN US: CP-651, SD-651
IN EUROPE: CP-651E, SD-651E
Before installing detectors, please thoroughly read manual I56-407, Guide for Proper Use of System Smoke Detectors,
which provides detailed information on detector spacing, placement, zoning, wiring, and special applications. Copies of
this manual are available from Notier or a Notier distributor.
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 used with this base should be cleaned at least once a year.
GENERAL DESCRIPTION
The Model B610LP detector base is designed for use with Notier model SD-651 and SD-651E photoelectronic detector
heads and CP-651 and CP-651E ionization detector heads. This two-wire base is equipped with screw terminals for the
connection of power, ground, and an optional remote annunciator.
SPECIFICATIONS
Base Diameter: 6.1 inches (155 mm)
Base Height: 0.95 inches (24 mm)
Weight: 0.3 lb. (137 g)
Mounting: 4-inch square box with or without plaster ring. Min. depth–1.5 inches
3-1/2-inch octagon box.Min. depth–1.5 inches
Operating Temperature Range: 0° to 49°C (32° to 120°F)
Operating Humidity Range: 10% to 93% Relative Humidity, Noncondensing
ELECTRICAL RATINGS - includes base and detector
System Voltage: 12/24 VDC
Maximum Ripple Voltage: 4 Volts peak-to-peak
Start-up Capacitance: 0.02 µF Maximum
Standby Ratings: 8.5 VDC Minimum
35 VDC Maximum
120 µA Maximum
Alarm Ratings: 4.2 VDC Minimum at 10 mA
6.6 VDC Maximum at 100 mA
(Alarm current must be limited to 100 mA by the control panel.
If it is used, the RA400Z Remote Annunciator operates within the
specied detector alarm currents.)
Reset Voltage: 2.5 VDC Minimum
Reset Time: 0.3 Seconds Minimum
Start-up Time: 34.0 Seconds Maximum
N550-01-00 1 I56-646-02R
Notier, 12 Clintonville Rd., Northeld , CT 06472-1652 (203) 484-7161
N550-01-00 4 I56-646-02R
©2001 Notier
Please refer to insert for the Limitations of Fire Alarm Systems
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SNAP ON
DECORATIVE
RING
SCREWS (NOT
SUPPLIED)
DETECTOR
BASE
BOX (NOT
SUPPLIED)
SHORTING
SPRING
A78-1175-01
Figure 1. Mounting Base to Box
MOUNTING
The detector base mounts directly to 3-1/2 inch and
4-inch octagon boxes and 4-inch square boxes, with
or without plaster rings. To mount the base, remove
the decorative ring by rotating it in either direction to
unhook the snaps before separating the ring from the
base. Use the screws supplied with the junction box
to attach the base to the box through the appropriate
slots in the base.
See Figure 1. Position the decorative ring around
the base and rotate it in either direction until the ring
snaps into place.
INSTALLATION GUIDELINES
Allowable loop resistance is an important specication
for control panels as well as for smoke detectors and
their bases. The alarm system cannot be expected
to operate correctly if system components have incompatible allowable loop resistances. Therefore,
before beginning installation, refer to the control panel
manufacturer’s loop resistance specication to ensure
that it is listed as compatible with the Notier base and
smoke detector being installed.
All wiring must be installed in compliance with the
National Electrical Code and all applicable local codes
and any special requirements of the authority having jurisdiction, using the proper wire size. 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 re.
N550-01-00 2 I56-646-02R N550-01-00 3 I56-646-02R
NOTE: IF A REMOTE ANNUNCIATOR
IS NOT USED, POLARITY OF
THESE TERMINALS MAY BE
REVERSED.
A78-1175-03
Figure 3A. Activating Tamper-resistance Feature Figure 3B. Removing Detector Head from Base
PLASTIC LEVER
BREAK TAB AT
DOTTED LINE BY
TWISTING TOWARD
CENTER OF BASE.
USE SMALL-BLADED
SCREWDRIVER TO
PUSH PLASTIC LEVER
IN DIRECTION OF
ARROW.
PLASTIC LEVER
BREAK TAB AT
DOTTED LINE BY
TWISTING TOWARD
CENTER OF BASE.
USE SMALL-BLADED
SCREWDRIVER TO
PUSH PLASTIC LEVER
IN DIRECTION OF
ARROW.
2
3
4
1
REMOTE
ANNUNCIATOR
2
3
4
1
REMOTE
ANNUNCIATOR
2-WIRE CONTROL PANEL
E
O
L
CLASS A OPTIONAL WIRING
Figure 2. Wiring Diagram for a Typical 2-Wire Detector System.
this. After the detector base is wired and attached to the electrical box, position the shorting spring against terminal 3.
Use the slot in the retaining clip to hold the spring against the terminal, as shown in Figure 1. This shorts the negative-in
and negative-out leads so that loop wiring can be tested for continuity.
The shorting spring in the base will disengage automatically when the detector head is removed from the base. DO NOT
remove the shorting spring since it reengages as the detector head is turned into the base, completing the circuit.
TAMPER-RESISTANCE FEATURE
NOTE: DO NOT use the tamper-resistance feature if the XR2 Removal Tool will be used to remove detectors from the
base.
This detector base can be made tamper resistant so that the detector cannot be detached without the use of a tool. To
make the base tamper-resistant, break off the smaller tab at the scribed line on the tamper resistant tab located on the
detector mounting bracket (see Figure 3A), before installing the detector.
To remove the detector from the base after it has been made tamper resistant, 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
3B, and press the plastic lever toward the mounting surface before rotating the detector counterclockwise for removal.
A78-1175-04
For signal wiring (the wiring between interconnected detectors), it is recommended that the wire be no smaller than AWG
18. However, the screws and clamping plate in the base can accommodate wire sizes up to AWG 12. The use of twisted
pair wiring for the power (+ and -) loop is recommended to minimize the effects of electrical interference.
NOTE: To ensure that electrical connections are supervised, do NOT loop wires under terminals 2, 3, and 5 - break the
wire at each terminal.
To make electrical connections, strip approximately 3/8" (1 cm) insulation from the end of each wire. Slide the wires under
the clamp plate and tighten the terminal screw.
Check the zone wiring before installing the smoke detector head. The built-in shorting spring makes it convenient to do
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