22
90DM4 User Manual
511105
Honeywell
2/07
W iring Details
E lec tric al W iring
W iring Details
Electrical W iring
A wiring inform ation stic k er is p asted on th e unit to sim p lify installation,
h owev er th e elec tric al c onnec tions m ust b e m ad e ac c ord ing to th e
following d iag ram . T h e front of th e c irc uit b oard c ontains th e d etec tion
c h am b ers (not sh own), relay, L C D sc reen and p ower and
c om m unic ation term inals.
Figure 7: W iring Diagram
COMMUNICATION
Communicat
ion W ire Gauge:
24 AW G (Bel
den 9841)
Twist
ed and shiel
ded cabl
e
2000 f
eet
(600 m) per channel
T-t
ap:
65 f
eet
(20 m) / T-t
ap
130 f
eet
(40 m) t
ot
al
The EOL resist
or is l
ocat
ed
on t
he back of
t
he board.
R E L AY OUTP UTS
N.O.
N.C.
COMM
Normally closed
Norm ally open
.
[
B]
V-
V+
[
A]
Sig
9
P9
WR
0$'(,1&$1$'$
3&%'00685,
&RPP
12
1&
9
6LJ
%
5(/
7(67
7(67
6+,(/'
$
/&'
73
&
&
&
-
-
-
-
57
73
8
8
8
-
-3
