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I-9403 

  Intelligent Sounder Strobe 

 

The Intelligent Solution 

Features 

—

 

Providing two tones. 

—

 

Using several high red LEDs as light source. 

—

 

Initiated by shorting external terminals; not affected by 
loop power cut. 

—

 

Signal loop and power loop are polarity-insensitive, 
which is convenient for wiring and features power-off 
checking. 

 

—

 

Standard: EN 54-3.

 

Description 

I-9403 Intelligent Sounder Strobe is a kind of audible and 
visual alarm device installed in field, which can be initiated by 
fire alarm control panel in fire control center or by manual call 
point installed in field. Having been initiated, it will generate 
strong audible and visual alarm signal to warn people in field. 

Both shallow base with 25.5mm high and deep base with 
40mm high are available, deep base is used if there is no 
special statement in this manual. 

Connection & Wiring 

Terminals on the base are shown in Fig. 2. 

G

1

K

1

D

D

2

1

2

Z

2

K

S

Z

97.5mm

80mm

55mm

Arch knock off Hole

5m

m

             

Fig. 1                                    Fig. 2

 

Z1 (2), Z2 (4): To control panel loop, polarity-insensitive. 
D1 (9), D2 (7): To 24VDC power, polarity-insensitive. 
S (5), G (10): External volt-free input. 

Recommended Wiring 

1.5mm

or above fire cable for power wire D1, D2 and 

external wire S, G; 1.0mm

2

 or above fire cable for other 

terminals, subject to local codes.     

Installation 

—

 

When the sounder strobe is surface mounted, it should 

be placed 0.2m from the ceiling for normal space height. 
When conduit is embedded, the base can be mounted on the 
electrical box. When conduit is surface mounted, the deep 
base should be adopted. Knock the knock-off hole, then 
connect the conduit with it. The mounting hole spacing and 
mounting direction are shown in Fig. 2. Mounting method is 
shown in Fig. 3a and Fig. 4. When the shallow base is 
required, the sounder strobe only adopts conduit embedded. 
Its mounting method is shown in Fig. 3b. 

—

 

The base and the sounder strobe are twisted together. 

When mounting, remove the sounder strobe, thread cables 
through cable entry in the base and connect with 
corresponding terminals, then twist the sounder strobe onto 
the base. 

—

 

If the sounder strobe is required anti-removal, knock 

down the arch knock-off hole as shown in Fig. 1 and fix it with 
ST2.9

×

6.5 tapping screws (in this case, it must be removed 

by a special tool). 

 

0832-CPD-0448

 

548e/02

Sounder Strobe

Knock-off Hole

Conduit

Electrical Box

   

Fig. 3a 

Electrical Box

Conduit

Sounder Strobe

 

                  Fig. 3b   

Sounder Strobe

Conduit

 

Fig. 4

 

Application 

Address can be programmed through a programmer. Refer 
to P-9910B Hand Held Programmer Installation and 
Operation Manual for further details.   

—

 

The sounder strobe occupies two consecutive 

addresses when its device type is 121. It occupies one 

30302714                                                                                             Issue 2.05

 

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