Datacom Systems D56 Instrukcja Naprawy Pobierz pdf (Strona 18)

–18–

Turning Off Fire Alarm

Sounding

You can turn off Fire alarm sounding by pressing the OFF key on any keypad or

other arming/disarming device. To clear the "memory of alarm" and to reset the

detector’s alarm, enter the security code plus OFF again.

COMPATIBLE 2-WIRE SMOKE DETECTORS

System Sensor

Detector Type Model No.

Photoelectric w/heat sensor,

direct wire 2300TB

Photoelectric, direct wire 2400

Photoelectric w/heat sensor,

direct wire 2400TH

Photoelectric 2451 w/B401B base

Photoelectric w/heat sensor 2451TH w/B401B base

Ionization, direct wire 1400

System Sensor

Detector Type Model No.

Ionization 1451 w/B401B base

Photoelectric duct detector 2451 w/DH400 base

Ionization duct detect 1451DH

w/DH400 base

Low-profile, Photoelectric,

w/135°F thermal 2100T

Low-profile, Ionization type,

direct wire 1100

2000 OHMS

EOLR

ZONE 1

SMOKE

–

2-WIRE SMOKE

DETECTOR

UL NOTE:

IN UL INSTALLATIONS, ONLY ZONE 1

MAY BE USED FOR FIRE.

Figure 8. 2-Wire Smoke Detector Connected to Zone 1

Wiring 4-Wire Smoke/Combustion Detectors on Zones 2–7

The system will support as many 4-wire detectors as can be powered from

Auxiliary Power on the control, on zones 2–7. Refer to the detector’s

instructions for complete details regarding its proper installation and

operation.

1. Connect 12 volt power for the detectors from Auxiliary Power terminals 4

and 5, (which will interrupt power for fire alarm reset). Observe proper

polarity when connecting detectors.

2. Connect detectors (including heat detectors, if used) across terminals of

the zone selected (zones 2–7 may be used). All detectors must be wired in

parallel.

Remove 2000 ohm EOL resistor if connected across the selected zone

terminals. You must connect the EOL resistor across the loop wires at the last

detector.

3. To supervise power, we recommend the use of a System Sensor

No. A77-716B supervisory module.

AUX PWR

OUTPUT

TERMINALS

TO HI SIDE OF

SELECTED

ZONE

TO LO SIDE

OF SELECTED

ZONE

•

EOL

POWER

SUPERVISION

RELAY

MODULE

A77-716B

•

4-WIRE SMOKE

OR COMBUSTION

DETECTORS

2000

OHMS

EOLR

HEAT

DETECTOR

HEAT

DETECTOR

ZONES 2–7

–

REDBLK

VIOLET

* IF PROGRAMMED FOR FIRE

Figure 9. 4-wire Smoke Detector Connections (Zones 2–7)

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 103 104

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