ADEMCO 4120XM Betriebsanweisung PDF herunterladen (Seite 12)

Zones 2-8

(Cent)

Smoke Detectors ● Supports as many 4-wire smoke detectors as can be

m Zones 2-8

powered (see UL Note on next page).

● Assign zone response type 09 (fire).

● The zones must be configured for EOLR supervision.

● A normally-closed, momentary switch must be

installed in series with the power to the detectors in

order to allow reset of the smoke detectors after an

alarm.

● The detectors must be wired in parallel, with the

EOLR at the last detector for full supervision.

● To supervise power, a System Sensor No. A77-716

EOL Relay Module is recommended.

Compatible Glass Break Detectors

Use detectors that are compatible with the following ratings:

StandbyVoltage: 5VDC- 13.8VDC

StandbyResistance: Greaterthan

20k ohms (equivalent resistance of all detectors in

parallel)

AlarmResistance:

Lessthan 1.1k ohms(seenotebelow)

AlarmCurrent:

2mA-10mA

ResetTime: Lessthan6 seconds

The IEI 735L series detectors have been tested and found to be compatible with these

ratings. Up to 50 IEI 735L detectors, connected in parallel, may be used (the alarm

current provided by this zone is sufficient to support operation of only one detector in

alarmed state). Follow the manufacturer’s recommendations on proper installation.

Detectors which exceed 1.1k ohms in alarm, but maintain a voltage drop in alarm of less

than 3.8 volts can also be used.

Zones 2-8 Advisories

Glass Break ●

Detector

Connections

●

Use of N.O. or N.C. contacts on the same zone may prevent proper glass break

detector operation.

UL NOTE: 4-wire smoke detectors cannot be used in UL installations.

When using glass break detectors on zone 6, Address 1*57 must be set to”1”

or “3. Note that the burglary trigger output is no longer available when glass

break detectors are used.

Pin 6 on TB2 (output trigger connector) must be connected to the high side of

zone 6 (terminal 17 on the main terminal block TB1), as shown below.

4120XM

TS2 HEAOER

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