Sentek SD119 Series Kurzanleitung

Photoelectric

Smoke Detector SD119 series

Installation Wiring Diagram

TYPICAL WIRING DIAGRAM

Figure 1.a shows the typical wiring diagram of 2-wire

multiple-station smoke detector system.

DO NOT USE LOOPED WIRE UNDER

TERMINALS 2 AND 5 BREAK WIRE RUN TO

PROVIDE SUPERVISION OF CONNECTIONS

Figure 1.b shows the typical wiring diagram of 4-wire

multiple-station smoke detector system.

DO NOT USE LOOPED WIRE UNDER

TERMINALS 2 AND 5 BREAK WIRE RUN TO

PROVIDE SUPERVISION OF CONNECTIONS

WARNING

TO PREVENT DETECTOR CONTAMINATION

AND SUBSEQUENT WARRANTY

CANCELL-TION, SMOKE DETECTOR MUST

REMAIN COVERED UNTIL AREA IS CLEAN

AND DUST FREE.

INSTALLING THE BASE

1. To insure proper installation of the detector head to the

base, all the wires should be properly addressed at

installation:

(A)Position all the wires flat against terminals.

(B)Fasten the wires away from connector terminals.

2. If you use the jumper wire to connect the poles of

terminal 2 and 5 when testing the detector loop

continuity, be sure to remove the jumper wire prior to

the installation of the detector head.

3. The end-of-line device shown in Figure 1.a & 1.b

should be compatible with the control unit. The

end-of-line supervisory relay used should list the rated

DC power voltage used.

4. Per UL listing, open area smoke detectors are

intended for mounting on a ceiling no less than 6

inches from a wall or mounting on a wall that no less

than 4 inches and no more than 12 inches from a

ceiling.

5. The base of smoke detector can be mounted directly

onto electrical junction box such as octagonal (3”, 3.5”

or 4”), round (3”), and square (4” length) box without

using any type of mechanical adapter.

INSTALLING THE HEAD

1. Align the components as shown in Figure 2.

2. Mate the detector head onto the base and twist

clockwise to secure it.

3. Do not install the detector head until the area is

thoroughly cleaned of construction debris, dusts, etc.

The maximum number of smoke detector installed in

the same loop is 30 units.

Fig. 2 Mating detector head onto base

ADJUSTMENT OF THE RELAY POSITION

4-wire type: Adjust the relay set-position for wiring unit to

the security monitoring system by the following steps:

1. The reset position for the relays is at “normal open”

(NO) position, when energizing all the relays.

2. If one needs to adjust the relay set point, use a

screwdriver to loose two screws on the back of the

base. See Figure 3, there is a jump head next to the

relay on the PCB, adjust it to select set point either

“normal close” (NC) or “normal open” (NO) position.

3. Relay contact rating:

A @30VDC,

.5A @125VAC.

Fig. 3 Schematic of detector structure

When front cover is open

TESTING

1. All the alarm signal services, releasing device and

extinguisher system should be disengaged during the

test period and must be re-engaged immediately at the

conclusion of testing.

2. After energizing the detector head for approximately

one minute, check to see the indicator red LED

flashing once every 1~3 seconds. If the LED fails to

flash, it indicates the non-functioning of the detector or

faulty wiring. Re-check the wiring or replace the

detector if necessary.

3. Allow smoke from a cotton wick or a punk to enter the

detector’s sensing chamber for at least 10 seconds.

When sufficient smoke has entered the chamber, an

alarm signal will take place by indicating with a

continuous illumination of the LED. After it alarms,

Reset each detector and/or control unit before

attempting to test the additional detectors in the same

zone. If the alarm fails in this step, it indicates a

defective unit, which requires service.

HEAT SENSOR TESTING

The detector to be tested should be subject to a flow of

warm air at a temperature between 140 and 180 .℉℉

Some domestic hair dryers can meet such requirement.

Proceed as follows:

1. Switch on the warm airflow and check that temperature

is correct and stable.

2. From a distance of inches, direct the airflow at the

guard protecting the thermistor. The detector should

alarm within 30 seconds.

3. When alarm is on, immediately remove the heat

source and check that the detector’s red LED is lit.

Reset the detector from the control panel.

4. If the detector fails to go into alarm within 30 seconds it

is too insensitive and needs to be returned to the

distributor for servicing.

5. After testing check that the system is set for normal

operation and notify the appropriate authorities that the

testing operation is complete and the system is active

again.

NOTES FOR USING DETECTOR

The National Fire Protection Association (NFPA)

states that duct smoke detector must not used as a

substitute for open area smoke detector. Duct smoke

detector is solely intended to use in the air handing

equipments for such purposes like dampers or

shutting down the air handing units.

NOT SUITABLE FOR INSTALLATION IN

AREAS WHERE AIR VELOCITIES EXCEED

300 ft/min.

MAINTENANCE

The recommended minimum requirement for detector

maintenance consists of an annual cleaning of dust from

the detector head by using a vacuum cleaner cleaning

program should be agreed to the individual environment

in conformance with NFPA-72A standard.

CAUTION: DO NOT ATTEMPT TO REMOVE THE

SCREWS, WHICH HOLD THE ASSEMBLY OF

SMOKE-SENSING CHAMBER AND PRINTED CIRCUIT

BOARD (PCB). THIS ASSEMBLY IS SEALED FOR

YOUR PROTECTION AND IS NOT INTENDED TO BE

SEPARATED FOR SERVICING BY USERS. OPENING

SUCH ASSEMBLY WILL VOID THE WARRANTY.

REFER TO THE TECHNICAL BULTTIN ISSUE NO.

STSD20080702S01, REV.D, Jul 02, 2008

SPECIFICATION

Model 2/4

wire

Heat

Sensor

Setting

Voltage

(Max./Min.)

Standby

Current

(Max.)

Alarm

Current

(12/24V)

Surge

Current

(Max.)

Start-Up

Time

(Max.)

Permissible

Current

(Max.)

Cycle

Time Alarm contact Base

Model No. Safety

SD119-2 2 - 10.8~33V 80μA 22/55mA 160μA 30 Sec. 80mA 1-3 Sec. — 852001

SD119-2L 2 - 10.8~33V 80μA 22/55mA 160μA 30 Sec. 80mA 1-3 Sec. — 854001 EN54-7

SD119-2H 2

135±5℉10.8~33V 80μA 22/55mA 160μA 30 Sec. 80mA 1-3 Sec. — 852001

SD119-2HL 2

135±5℉10.8~33V 80μA 22/55mA 160μA 30 Sec. 80mA 1-3 Sec. — 854001

EN54-7

EN54-5

SD119-4(12V) 4 - 12V 80μA 30mA - 30 Sec. - 1-3 Sec. Form A 854001

SD119-4(24V) 4 - 24V 80μA 45mA - 30 Sec. - 1-3 Sec. Form A 854001 EN54-7

SD119-4H(12V) 4

135±5℉12V 80μA 30mA - 30 Sec. - 1-3 Sec. Form A 854001

SD119-4H(24V) 4

135±5℉24V 80μA 45mA - 30 Sec. - 1-3 Sec. Form A 854001

EN54-7

EN54-5

SD119-4AR 4 - 12/24V 80μA 30/45mA - 30 Sec. - 1-3 Sec. Form A/Auto Reset 854001

SD119-4ARB 4 - 12/24V 80μA 30/45mA - 30 Sec. - 1-3 Sec. Form A/Auto Reset 854001

SD119-4HAR 4

135±5℉12/24V 80μA 30/45mA - 30 Sec. - 1-3 Sec. Form A/Auto Reset 854001

SD119-4HARB 4 135±5℉12/24V 80μA 30/45mA - 30 Sec. - 1-3 Sec. Form A/Auto Reset 854001

SD119-4HB 4

135±5℉12/24V 80μA 30/45mA - 30 Sec. - 1-3 Sec. Form A/Auto Reset 854001

SD119-4B 4 12/24V 80μA 30/45mA - 30 Sec. - 1-3 Sec. Form A/Auto Reset 854001

Remark: L- remote indicator output; H-Heat sensor; AR-Auto-reset; B-Sound，Alarm contact with Form B (NC) available

LIMITED WARRANTY STATEMENT

SENTEK ELECTRONICS INC. declares that this product is free from defects in material and workmanship. And it will repair

or replace any product or part thereof which proves to be defective in workmanship or material for a period of twelve (12)

months from the date of purchase but not to exceed eighteen (18) months after shipment by the manufacturer. For a full

description of SENTEK’S LIMITED WARRANTY, which, among other things, limits the duration of warranties of

merchantability and fitness for a particular purpose and excludes liability for consequential damages. Please read the entire

LIMITED WARRANTY on the SENTEK quotation. Acceptance of order and/or original invoice which will become part of your

sales agreement. Please contact SENTEK directly for a return merchandise authorization (RMA) number before returning

goods to the factory in Ningbo, China, Shipment must be prepaid and SENTEK will repair or replace your returned detector.

SDMI119080702, REV C

Sentek Electronics Co., Ltd.

448 Yingchun road, Wangchun Industril zone, Ningbo City

315175, Zhejiang, China

Manufacturer:

Tel: 86-574-8715 3117 Fax: 86-574-8715 5951

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