ADEMCO 990 LR Manual de instalação - Página 3

Procurar online ou descarregar pdf Manual de instalação para Sensores de segurança ADEMCO 990 LR. ADEMCO 990 LR 6 páginas. Passive infrared motion detectors

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LtD ENABLE/DISABLE

The delector is shipped wilh the AI&I LED dis&led

(LED enable/diible plug in place). If desired, the LED

may be enabled (atter the Walk-Test' is oxnplete) by

renwv@? ths LED enabteMiie

plug (see Fg. 3). To

prevent the loss of the plug, we suggest you install it

ononepinwhentheplugisnotinuse.

If desired, the LED may be aontrofted lmm a remote

bcidon, as foflom:

Remove the LED enable/diie

plug. Connect 8

switched line

to the lett-hand

pin (et) of the4 two

LEDpinswhichcanbegroundedoropened(s6e

Fg. 4). Grounding pin 11 wttl &able the

LED,

dimng

it from ground witl enable the LED.

llfo

Flgun 4.

Remote

control of LED

TEST PROCEDURES

Important: Two-minute warm-up time Is requited after

applying power. Testing should be cnndwled with Uw

protected area deared of all people. Disarm the

protective system's control during the test procedure to

prevenl repoMg of unwanted alarms.

Walk-Test:

1. TheAIannLEDmustbeenabfedatthistime(LED

enable/disabte pfug mmoved).

2 WIUI lronl cover n place, waB& through protective

zones, observing that the detector's LED lights

whenever molion is deteued.

The absolute range of all PIR units b subject to

variation because -of different types of dothing.

backgrounds and ambient temperature. For this

reason. ensure that the most likely Mnkter routes are

well within the PIR's protectfve zones end that walk-

testing is car&d out abng these 10~10s.

After the

Walk-lest is

complete. the LED may be

disabled (LED enabf@diible plug instaffed).

MAINTAINING PROPER OPERATION:

In order to maintain the detector in proper working

condition.ilisbnpollantthatthefdbwinQbeobsened

bytheusw.

Power should be provided at all times. La

powertotheunitwiitrelsuninthe8farmcontacts

reverting 10 en alarm state. The units DC soufm

shoutd have standby power 8wilable for al

least

hours of operation during emwgench

Units should never be re-rimed or

nlocstod

without the advice of assistance ol the

alarm

selviceoomp8ny.

The physlcsl surroundings of the protected

area should not be changed. tf lumthue or stock

is moved, or afrMtionii

or additionof heattng

is insmad. lhe system may haw to be readjjsted

bytheabrmserviceawnpany.

Walk-tests

should be Conducted hquently

(It

least

weekly) to confirm continued proper

aoverage by esd,

deteclor.

TROUBLESHOOTING

Trouble 1: INTERMITTED -RM

OPERATNE)

Probable Ceuses:

Rapid temperature change. Check for electric of

gas heaters, open ttames, etectric arcs. etc.

~etmo)~ Locate e&e

Md reposkion detector.

B. Drafts causing drapes, tight fixtures, dtspfay

msterlal to mow.

Rem*

Eliminate souroe d motion.

Trouble 2: I)lmRMITrrNT

OR CONTMJOUS

ALARM

Pmbabls Causes:

DC voltage supplied to deteclor Is inadequate,

bltermlttent, of pokutty rewrsed

Remedy: Ensure that proper polarity

and

adequate voltage is supplied and that

wirtngfsfntact(noopensorshofts)and

wnnedions seam.

Protective loop is interrupted (open).

Determine whether interruption is in

protective toop wiring or at detectws

alarm relay contacts.

Disconnect

pwdiw

bop at detector nt8y contact

terminals and check continuity across

terminals.

absent at detector

terminals

(and proper voltage

supplied to ths detector), return unit for

seenrice. It present, check protective

bopwiring.

Tmublo 3r UED INOPERATIVB

Fmbabk

Cmsea:

LED enabf&lisaMe plug is kutaffed.

Remedy: Remove LED enmbfe&fiibfe ptug.

B. LED malfunct&. Dheck for broke&horted leads.

Remedyt Return unit for servioe.

Trouble 4~ DETECTtON AREA CHANGES

Probsble

Cwaea:

Repositioned

furniture or equipment

in the

protected area

f?ern*

c8utiLmcus~8bouflayout

changes. ReposiRm detector.

Mounting surface fs unstable. A few degrees of

verlicafshiic8nchangerlmQesubsmwty.

Remet@ Mount on secure surface.

Trouble

b: CONTRDL PANEL INDtCATES

CONTlNUOUS

FAULT IN ZONE OF

PROTBCTfON CONTUNINQ PIRs.

(PIR'S ALARM LED NOT UT)

Probabk CBUW:

Too many detectors

being

used tn the

zone. Each

detector adds 15 ohms of sertes resistance and the

zone% 8lknrabh hop resistance is beii exceeded.

RemedL: Reduw6lenumberddateclorsusedinthe

zone unlft the series resktanoe b wtthfn the

=a$@

loop r&stance permftted by the