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GST DC-9404(IS) Manual
GST DC-9404(IS) Manual

GST DC-9404(IS) Manual

Intrinsically safe conventional sounder intrinsically safe conventional sounder strobe

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Features
High bright red LEDs are used as light source.
Sound level: 85dB (A weighted, 3m in front).
Description
DC-9404(IS) Intrinsically Safe Conventional Sounder
and DC-9403(IS) Intrinsically Safe Conventional
Sounder
Strobe
(hereinafter
sounder/sounder strobe) is a kind of audible/audible
and visual alarm device used to warn people in field
when fire occurs. It's applicable to zone 1 and zone 2
of
areas
with
explosion-proof
petroleum and chemical industries. It can match with
I-9333 Interface.
Base with 25.5mm high are available.
Connection & Wiring
Terminals on the base are shown in Fig. 2.
Water leak hole
Arch knock off Hole
Fig. 1
D1+ (9), D2- (7): Connected with I-9333 Interface,
polarized.
Intrinsic Safety Parameters for D1/D2: Ui=28V ,
Ii=93mA,Ci=0,Li=0,Pi=0.65W
D1 is connected with (3) of the safety barrier and D2
to (4).
Recommended Wiring
Intrinsically safe cable with cross section not less
2
than 1.5mm
, subject to local codes.。
Installation
Warning: Before installing the device, disconnect
the power from the loop.
Before installation, make sure the enclosure is
in good condition and marking complete.
When the sounder/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.
Its mounting method is shown in Fig. 3. Water leak
hold should installed downward.
30309767
Intrinsically Safe Conventional Sounder
Intrinsically Safe Conventional Sounder Strobe
called
the
requirement
in
80mm
55mm
Wire hole
twisted together. When mounting, remove the
Fig. 2
sounder strobe, thread cables through the cable
entry in the base and connect with corresponding
terminals, then twist the sounder/sounder strobe
onto the base.
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).
Application
The sounder/sounder strobe can match I-9333
Interface to form an intrinsically safe system. The
system wiring is shown in Fig. 4.
DC-9404(IS)
DC-9403(IS)
Conduit
Electrical Box
Fig. 3
The base and the sounder/sounder strobe are
If the sounder/sounder strobe is required
Safety Area
I-9333 Interface
3(+)
1(+)
L+
I-9333 Circuit
GST-AS-200 Zener
2(-)
Safety Barrier
4(-)
Board
L-
D1 D2
Z1
Z2
24VDC
Fire Alarm Control Panel
Non-intrinsincally Safe Loop
Fig. 4
Water leak hole
should downward
Hazardous Area
Intrinsincally Safe Loop
Issue 1.04

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Summary of Contents for GST DC-9404(IS)

  • Page 1 I-9333 Interface for normal space height. When conduit is embedded, 3(+) 1(+) the base can be mounted on the electrical box. I-9333 Circuit GST-AS-200 Zener 2(-) Safety Barrier 4(-) Board Its mounting method is shown in Fig. 3. Water leak hold should installed downward.
  • Page 2: Limited Warranty

    Please contact your local distributor for products not covered by this warranty This Data Sheet is subject to change without notice. Please contact GST for more information or questions. Gulf Security Technology Co., Ltd. No. 80, Changjiang East Road, QETDZ, Qinhuangdao, Hebei, P. R. China 066004 Tel: +86 (0) 335 8502434 Fax: +86 (0) 335 8502532 service.gst@fs.utc.com www.gst.com.cn...

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Dc-9403(is)