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MAINTENANCE

Regularly scheduled maintenance is normally not
needed, however, periodic cleaning of the smoke
chamber may be necessary when detectors are
located in abnormally dirty or dusty environments.
Vacuuming around the smoke chamber housing prior
to blowing out the chamber with a “dry air” hose is
recommended.

NOTE

The Model 30-3003 is not designed to be serviced
or repaired in the field.  Disassembly of the detec-
tor in the field will void the warranty.  If service or
repairs are required, return the entire unit to the
factory.

The smoke detector can be tested using the same
methods employed for any photo-electric detector.

Do not use canned aerosol smoke devices to test the
detector, since damage can result.

DEVICE REPAIR AND RETURN

Prior to returning devices or components, contact
Detector Electronics so that a Service Order number
can be assigned.  A written statement describing the
malfunction must accompany the returned device or
component to expedite finding the cause of the fail-
ure.  Return all equipment transportation prepaid to
the factory in Minneapolis.

1

2

3

4

5

AUXILIARY ALARM CONTACTS

+

C

NO

NC

TB 

– 

2

TB 

– 

3

POWER

2 WIRE

CLASS B

RECEIVING ZONE

CHASSIS
GROUND

LISTED CONTROL PANEL

+

EOL DEVICE

SUPPLIED BY

PANEL MANUFACTURER

ADD JUMPER

GROUND STUD

B1193

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Figure 4—Single Detector Wiring

Figure 5—Multiple Detector Wiring

FIRST DETECTOR IN LOOP

TB 

 2

LAST DETECTOR IN LOOP

TB 

 2

TB 

– 

3

POWER

2 WIRE

CLASS B

RECEIVING ZONE

CHASSIS
GROUND

LISTED CONTROL PANEL

+

AUXILIARY

ALARM

CONTACTS

C

NO

NC

AUXILIARY

ALARM

CONTACTS

C

NO

NC

AUXILIARY

ALARM

CONTACTS

C

NO

NC

TB 

 2

TB 

– 

3

1

2

3

4

5

TB 

– 

3

EOL DEVICE

SUPPLIED BY

PANEL MANUFACTURER

INSTALL JUMPER

C1696

1

2

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5

1

2

3

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5

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Detector Electronics Corporation

6901 West 110th Street  •  Minneapolis, Minnesota 55438  •  Operator (952) 941-5665 or (800) 765-FIRE

Customer Service (952) 946-6491  •  Fax (952) 829-8750  •  www.detronics.com  •  E-mail:  [email protected]

Summary of Contents for 30-3003

Page 1: ...ector reverts to normal sensitivity INSTRUCTIONS Explosion Proof Smoke Detector Model 30 3003 PHOTOVOLTAIC SENSOR CELL LENS IRED LIGHT SOURCE ALARM LED LENS SMOKE CHAMBER B1178 Figure 1 Cross Section of Sensing Chamber Assembly Detector Electronics Corporation 2000 8 00 95 8366 03 O2 6K 6K J 6K 7 6K 6K 6K 6K 6K 6K 6K 6K 6K 6K 6X K 6K 6X K 6X K 6X X X O2 6X X O2 1 X O2 O2 hf I4 K O2 O2 I4 6X O2 O2 ...

Page 2: ...ent of an alarm and an LED located on the outer surface of the hous ing is illuminated to provide a visual indication that an alarm condition has occurred The detector is reset by momentarily interrupting input power SPECIFICATIONS OPERATING VOLTAGE 20 to 28 vdc filtered supply with less than 1 4 vpp at 60 to 120 Hz OPERATING CURRENT Standby 10 milliamperes Alarm 35 milliamperes TEMPERATURE RANGE ...

Page 3: ...e junction box cover See Figures 3 4 and 5 for wiring details DETECTOR CONNECTIONS The detector contains two sets of relay contacts 1 One set of NO Alarm contacts close upon detec tion of smoke 2 One set of NC Trouble contacts close when the detector is powered 3 95 8366 12 3 4 INCHES 325 MM 8 1 16 INCHES 205 MM 3 1 2 INCHES 89 MM 4 1 2 INCHES 114 MM A1967 120 5 32 INCH DIA 3 2 7 16 INCHES 62 MM 5...

Page 4: ...atement describing the malfunction must accompany the returned device or component to expedite finding the cause of the fail ure Return all equipment transportation prepaid to the factory in Minneapolis 1 2 3 4 5 AUXILIARY ALARM CONTACTS C NO NC TB 2 TB 3 POWER 2 WIRE CLASS B RECEIVING ZONE CHASSIS GROUND LISTED CONTROL PANEL EOL DEVICE SUPPLIED BY PANEL MANUFACTURER ADD JUMPER GROUND STUD B1193 6...

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