System Sensor 300 Serie Instrucciones De Instalación

INSTALLATION INSTRUCTIONS FOR 300 SERIES DETECTOR RELAY
BASES B324RL, B312RL AND B312NL
Before installing detectors, please thoroughly read System Sensor's Guide to Conventional Fire Systems, which provides information on detector
spacing, placement, zoning, wiring, and special applications. Copies of this manual are available at no charge from system sensor.
GENERAL DESCRIPTION
These plug-in detector relay bases are for use with System Sensor 1151E/2151E or series 300 detector heads. They are designed to operate both
in 2 and 4-wire systems, with screw terminals provided for power and remote annunciator connections. Normally open and normally closed
relay contacts are provided on a separate terminal block. The circuit built into the base provides current limiting to the detector in the alarm state.
The relay is controlled directly from the detector and therefore as the detector is latched in alarm, so will be the base. For the B324RL and
B312RL latching relay bases, the alarm condition can only be terminated by removal of the supply to the detector and base. For the B312NL Non-
latching base however, the base periodically isolates the detector from the supply, hence providing an "automatic reset" once the alarm stimulus
has cleared.
SPECIFICATIONS
Base diameter: 127mm
Base height: 29mm (excluding detector)
Weight: 90g (excluding detector)
Base fixing centres 60mm
Operating temperature range: -20°C to 70°C
Operating humidity range: 0 to 93% Relative Humidity (Non-condensing)
ELECTRICAL RATINGS
B324RL B312NL
Supply voltage dc 10.5 to 32V * 10-15V
Standby Current 1µA 20µA
Remote output 6mA
current
Contact activation
100ms 100ms
time after detector
Contact reset time 100ms 100ms
after detector unlatch
Contact resistance
100mΩ 100mΩ
Contact rating dc 1A
MOUNTING
The detector base should be mounted using pan head screws, with a maximum thread diameter of 4mm, and maximum head diameter of 8mm.
If required, suitable junction boxes may be used.
Detector LED Position
If a single LED detector is used, when mounted in the base the position of its indicator LED will coincide with terminal 4 on the base.
WIRING
All wiring must be installed in compliance with applicable local codes and standards, and the authority having jurisdiction.
See figure 2a if the base is to trigger and auxiliary device on a 2-wire system, or figure 2b for connection to a 4-wire system.
The base terminals are designed to accept cables between 0.5mm² and 2.5mm², however reference should be made to the panel specifications
for acceptable cable resistance and capacitance. The NO/NC terminals can accept multi core cables up to 1mm² or single core up to 1.5mm²
Note: Do not loop the wire under the terminals - to ensure supervision of contacts, the wire run must be broken.
To permit continuity testing of the wiring circuit prior to installation of the detector heads, the base contains a shorting spring, which acts to
connect terminals 2 (negative in) and 3 (negative out) see figure 1. To activate, gently push the spring toward the centre of the detector until it
clips into place. The short will automatically disengage when the detector is installed.
Optional Remote Annunciator Units
The model RA400Z remote annunciator LED is available as an optional accessory. This unit has a rectangular plate that fits U.S. Single-gang
light switch boxes. If a different type of remote annunciator is used, it must use less than 5mA @ 3.0v.
BREAKOUT TAB OPTION (B324RL ONLY)
See figure 1: When power to the B324RL is provided by a power supply greater than 15V, without current limiting to 25mA or less in alarm, the
tab on the PCB should be broken using a suitable tool such as a pair of thin nose pliers otherwise damage may occur to the base and detector.
Note: If in doubt, refer to the control panel manufacturer. Once broken the tab cannot be reset!
Tamper Resist Feature
The base includes a feature which, when activated prevents removal of the detector without a tool - see figures 3a and 3b.
D350-01-00
B312RL
10-15V
* Important - when a B324RL is to be
used refer to the Breakout Tab Option
1µA
paragraph below.
6mA 6mA
100ms
100ms
100mΩ
1A 1A
Figure 1: Terminal Layout.
BREAK OUT TAB FOR
CURRENT LIMITING
Figure 2a: 2-Wire System Auxiliary Device Wiring
-
FROM CONTROL
PANEL OR
PREVIOUS DEVICE
2
3
1
4
5
+
Figure 2b: Typical 4-Wire System Connections
-
12/24V POWER
2
SUPPLY
1
5
N/O
+
ALARM
MONITOR
Figure 3a: Tamper Resist Activation
REMOVE TAMPER RESIST 'SNAP OFF' TAB ON END
OF PLASTIC ARM TO ENABLE LOCKING OF
DETECTOR.
1
Pittway Tecnologica S.p.A, Via Caboto 19/3, 34147 Trieste, Italy
SHORTING SPRING - PUSH GENTLY
IN THE DIRECTION OF THE ARROW
TO ENGAGE; PUSH GENTLY
TOWARDS BASE TO DISENGAGE
POSITION OF LED ON DETECTOR
HEAD WHEN MOUNTED (SINGLE
LED DETECTORS)
TABLE 1: WIRING CONNECTIONS
Terminal
No.
TO NEXT DEVICE OR
BASE TERMINALS
END OF LINE
1 Remote Indicator +
2 Negative Supply In, Remote Indicator -
3 Negative Supply Out
4 DO NOT USE
5 Positive In and Out
RELAY CONTACTS
C TB1 Normally Closed
N/O
TB2 Normally Open
N/C
TB3 Common
2
3 3
1
4
4
5
C C
N/O
Figure 3b: To Remove a Locked Detector
Function
END OF LINE
DEVICE
USE A SMALL SCREWDRIVER TO
BREAK THE INSET SECTION, AND
GENTLY PUSH THE PLASTIC LEVER IN
THE DIRECTION OF THE ARROW
© System Sensor 2004
I56-1771-001