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ADEMCO 1878 Installation Instruction page 2

Passive infrared motion detector

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Diignm
5: YOLMm
OtTas
For(II~rnll~.a~pra~kpro~at~naroI
thchw~~~~u~rnrmtoberancdmoWP~~s
we entry area tra
a mrp
horc m the mwnfmg
wrlace
W? base
sharldeeceme'eealmewfmghglcl.
A~ertheeasets
m~~~.w~r~ud~feshouldwcarel~h/repraccd
UOn the mfcbasat me ti urd rgnt cages of me cucu4 boara wlh lhe
base s mQpmnp taes arm make ccnam mai me prqccllons
m both
~cfes
MY engage ihe sfo~s m ~hc mwnfmg
tats
In addam
the
board should rest securw
on IC IWO SU~~OII posts. and Ihe rnrrng
entry notch at the boards uwr
wge shade rest on me tong wall 01
me w'"9
l fwy emsage. See Dugrams 4 and 5
E. Ceiling Mounting:
The wmaWy
01 NW PlR pernn~s oplrona~ cctlmg moummg as an
l nemakw lo VW waft mourned conlrgvralrons ckxnbed
herem
Marrn~theu~onmcccttmg.~s~ng~he~ong~ngerc~na~n~nor.
~npondca15~18~(4.6t05.LnJlorwarb~~ngcunam~panem
as iuurlrafed II) Diagram 6.
1
:
10
3,'
Iawl
I.Clll
&
Diagram 6: CEILING MOUNTED UNlT USING
LONG RANGE ('CURTAIN-)
MIRROR.
F. Inwrled
MounIing:
ll~mallpelshaveacces~lOlhearea
proleaedby
thedelector.lh!sSenron
penuns
The detecta and waU pate must be mounted eweMd (the PlR wmdow al
me ~opop) *no: lhe wau plate lined forward (downward).
Four
self-•dheswe
rubeer spacers hew been prowk0
to ad m lmg
the ~31~ date.
6 rntm be ruttad 1ha1 l wugh
(tw pmcedure l dJuSIS the PIR ronar so
UUI small l nmaa mll nol be defected. a aawlmg anruder wll ALSO ga
mdetemed.
The spacers are lo De wed wrlh the wall pkle only widen lhe wrde angk
mrrornmuse.
Mounting
fkI on a wall:
SI4Ck hw
spacftrs
between
lhe wall and each 01 lhe hvo mcunllng
Dssesonthcrearolt~wallpYgnmcandopport.
Comer mounting:
Afbr cm 01 the spacers lo Ihe rear &&cc
01 each 01 the two covner
mount tabs on the wall plate. on the end opposde lo the wire emry
access tmouf.
Foaow the -Normal Mounlmg- ~leps 2.3 and
4 descr46d
previody.
a4~mthcwall~fert~ft~~e~~a~essc~m~~n
ofate 6 ocmmed
at
the bottom.
~McbcfcQoc~smouficdmanrnvcncQ~lon.lhose~ionsd
me eefedor fnmor whuh norwlfy
aonee
downward beams ol
~bC(DnrrUmwprondebeamslhel#*ntuprvard.T~tlswJIlo
bahmVr~sfkqranpcadrvrdoangkJ
Ilpo~s~bIe.m~laUlhedeIector
so mat fnese now upwar0qomfq
beams are not brecfed al cehg
areas lhat mclude healmg or alr ConQI~onmg ducts and wnls or kghl
kmures II these IR sources cannot be avoldcb. Ihe upward-pouumg
aegmem 01 the rrwror show
be maskec to awe the poss4wbfy of fake
aIarms.
See Ihe sectice
on
Msm
Maskmg
kler m lhrs documenl
G. Uirrof Maakinp:
The maskq-slnps
lb1 hwe Oeen supW~Y are
tksgned
for
r#rubon
to me or more mtffor segments to omhue
a pofeckm
pattern that rants the 0uWufar
n?cnmemems of the prokcfed
area.
Smofy peel On me l f4mmue
pfessure+msA~w
aches~w sttnp(sJ
and l p@y owr If6 Oeswcf mmof scgmenllsl
lndw%fual maskmng
Sinps have teen pondcd
lor l acn 01 me mrrror segments on the
mdc-angle mmor. h0
Slnps are ponded
bc maskwg mufkple
segments 01 Ihe kng-raoe
tcunam) ~ror.
Each mtrror segment
mat TV masked resuik m me elrmmatton 01 one zone of protectron
kom the cowrage panem. By maskmg l ppropriale Segmenls 01 a
mwror. you can adluSt Ihc Coverage IO
SUII
the area !o be prolecled.
or to ebmmale COwrage lrah areas where you anfcwife
mmnmarual-
WI mgfu ceeuce W PlR s subil4y la
heater a ether heawmeumg
obpcf. (or exm0kJ

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