System Sensor B114LP Manuel utilisateur

D150-02-00 1 I56-598-03R

B114LP Plug-in Detector Base

For use with the following smoke detectors:

IN US: 1151, 2151

IN CANADA: 1151A, 2151A

IN EUROPE: 1151E, 2151E

INSTALLATION AND MAINTENANCE INSTRUCTIONS

3825 Ohio Avenue

St. Charles, Illinois 60174

1-800-SENSOR2, FAX: 630-377-6495

Before Installing

Please thoroughly read the System Sensor manual I56-407,

Guide for Proper Use of System Smoke Detectors. This man-

ual provides detailed information on detector spacing,

placement, zoning, wiring, and special applications, and is

available at no charge from System Sensor. (For installation

in Canada, refer to CAN/ULC-S524, Standard for the

Installation of Fire Alarm Systems and CEC Part 1, Sec. 32.)

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 require-

ments. The detector used with this base should be cleaned

at least once a year.

Specifications

Base Diameter: 6.2 inches (157 mm)

Base Height: 0.95 inches (24 mm)

Weight: 0.6 lb. (274 g)

Mounting: 4-inch square box with or without plaster ring. Min. depth–1.5 inches

4-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: 120 VAC, 60 Hz

Relay Contact Ratings

Resistive or Inductive (60% power factor) load

Form A: 2.0A @ 30VAC/DC

Form C: 2.0A @ 30VAC/DC

0.6A @ 110VDC

1.0A @ 125VAC

Start-up Time: 36.0 Seconds maximum

(After 60 second reset)

General Description

The model B114LP detector base is designed for use with

System Sensor model 2151 photoelectronic and 1151 ioniza-

tion detector heads. This four-wire base is equipped with

screw terminals for the connection of power, ground, relay

connections, and an optional RA400Z remote annunciator.

It also includes a resistor that limits current when the asso-

ciated smoke detector is in the alarm state.

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 2. Position the decorative ring around the base

and rotate it in either direction until the ring snaps into

place.

D150-02-00 2 I56-598-03R

Installation Guidelines

Allowable loop resistance is an important specification for

control panels as well as for smoke detectors and their

bases. The alarm system cannot be expected to operate cor-

rectly if system components have incompatible allowable

loop resistances. Therefore, before beginning installation,

refer to the control panel manufacturer’s loop resistance

specification to ensure that it is listed as compatible with

the System Sensor 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 jurisdic-

tion, 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 fire.

For signal wiring (the wiring between interconnected detec-

tors), 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 rec-

ommended to minimize the effects of electrical interference.

Wiring Instructions

NOTE: Refer the manufacturer’s instructions for releasing

device wiring.

NOTE: To ensure that electrical connections are super-

vised, do NOT loop wires under terminals 8, 9, 10,

and 11 - cut the wire at each terminal.

To make electrical connections, strip approximately 3/8" (1

cm) insulation from the end of each wire. Slide a wire

under the clamp plate on each side of the terminal screw

and tighten the screw.

SNAP ON

DECORATIVE

RING

SCREWS (NOT

SUPPLIED)

DETECTOR

BASE

BOX (NOT

SUPPLIED)

SHORTING

SPRING

Figure 2. Mounting base to box:

Base Terminals

No. Function

1Remote Annunciator (+)

2 Not used

3 Not used

4 Remote Annunciator (–)

5 Not used

6 N.O. Supervisory Relay

7 N.O Form A Contacts

8 N.O. Alarm Relay

9 N.O. Form A

10 C. Initiation

11 C. Contacts

12 N.O. Alarm Relay

13 N.C. Form C

14 C. Auxiliary Contacts

Figure 1. Terminal layout:

}

D150-02-00 3 I56-598-03R

If the base is being installed in a zoned system, check the

zone wiring before installing the smoke detector head. The

built-in shorting spring makes it convenient to do this.

After the detector base is wired and attached to the electri-

cal 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. Do NOT remove the shorting spring from the

base when continuity tests are completed.

After all detector bases have been mounted, wired, and the

wiring checked, install the detector heads. The shorting

spring in the base automatically disengages 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.

89101112

REMOTE

ANNUNCIATOR

ALARM INITIATION LOOP

RELEASING

DEVICE

–

CONTROL

PANEL

BLACK LEADS

TRANSFORMER

PRIMARY

120

VAC

(+)

(–)

89101112

REMOTE

ANNUNCIATOR

RELEASING

DEVICE

–

120

VAC

(+)

(–)

EOL

SPECIFIED

BY PANEL

MANUFACTURER

CONTROL

PANEL

SUPERVISORY

RELAY

ALARM

RELAY

SUPERVISORY

RELAY

ALARM

RELAY

EOL

SPECIFIED

BY PANEL

MANUFACTURER

NOTE: ABOVE DIAGRAM SHOWS NFPA REQUIRED WIRING OF SUPERVISED

SYSTEMS. SCHEMATIC SHOWN BELOW FOR REFERENCE.

Figure 3. Wiring diagram for a typical 120VAC detector system:

Tamper-resistance Feature

NOTE: Do NOT use the tamper-resistance feature if the

System Sensor XR2 Removal Tool will be used to

remove detectors from the base.

This detector base can be made tamper resistant so 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-resistance tab, on the detec-

tor mounting bracket (see Figure 4A), 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 (Figure 4B) into the notch and

press the plastic lever toward the mounting surface. Rotate

the detector counterclockwise and remove.

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.

Figure 4A. Activating tamper-resistance feature: Figure 4B. Removing the detector head from base:

D150-02-00 4 I56-598-03R

Three-Year Limited Warranty

System Sensor warrants its enclosed smoke detector base to be free from

defects in materials and workmanship under normal use and service for a

period of three years from date of manufacture. System Sensor makes no

other express warranty for this smoke detector base. No agent, represen-

tative, dealer, or employee of the Company has the authority to increase

or alter the obligations or limitations of this Warranty. The Company’s

obligation of this Warranty shall be limited to the repair or replacement of

any part of the smoke detector base which is found to be defective in

materials or workmanship under normal use and service during the three

year period commencing with the date of manufacture. After phoning

System Sensor’s toll free number 800-SENSOR2 (736-7672) for a Return

Authorization number, send defective units postage prepaid to: System

Sensor, Repair Department, RA #__________, 3825 Ohio Avenue, St.

Charles, IL 60174. Please include a note describing the malfunction and

suspected cause of failure. The Company shall not be obligated to repair

or replace units which are found to be defective because of damage,

unreasonable use, modifications, or alterations occurring after the date of

manufacture. In no case shall the Company be liable for any consequen-

tial or incidental damages for breach of this or any other Warranty,

expressed or implied whatsoever, even if the loss or damage is caused by

the Company’s negligence or fault. Some states do not allow the exclusion

or limitation of incidental or consequential damages, so the above limita-

tion or exclusion may not apply to you. This Warranty gives you specific

legal rights, and you may also have other rights which vary from state to

state.

Please refer to insert for the Limitations of Fire Alarm Systems

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