Page 9
ZONESENSE DH4
OPERATORS MANUAL
5
Main Control Board
The Main Control Board provides a range of different field terminations – inputs, zone circuits,
monitored outputs, voltage free outputs (relay).
Z
O
N
ES 1
- 4
TB80
1
TB
3
I/P
's
C
CC
A
LT
TB
5
TB
6
SW
11
RL
2
RL1
BZ
1
TP
33
TP
14
CN
3
CN4 2
8V
A
C
ON
1
2
3
4
FI
R
E
RE
LA
Y
F
AUL
T
RELA
Y
CN2
BA
TT
E
R
Y
4 Z
O
N
E
S
FI
R
E
OUTP
U
T
NO
C
NC
FAUL
T
OU
T
P
U
T
N
O
C
NC
AU
X
24V
D
C
+
-
A
L
ARM
S
O/P's
1 &
2
+
-
+
-
DOOR HOL
D
E
R
S
O/P
's 1 &
2
+
-
+
-
P
OWE
R
POW
E
R F
A
UL
T
SYS
T
E
M
F
A
UL
T
CONTROLS
ENA
B
L
E
D
A
U
XI
L
IAR
Y
POW
E
R
FAUL
T
FI
R
E
O
U
T
P
U
T
DISAB
L
E
D
FA
UL
T
OU
TP
UT
D
ISA
BL
ED
D
OOR
H
O
LDER
OUTPUT ST
A
T
US
T
EST
FI
RE
OUT
P
U
T
O
N
DOO
R
RELEASE
D
AL
A
R
M
ST
A
T
U
S
FI
R
E
FA
U
LT
DI
S
ABLE
D
N
EXT
LAM
P
TE
S
T
DI
S
A
BLE/
EN
ABLE
EXI
T
RELEA
S
E
SI
L
E
NCE
RE
SOUN
D
SI
L
E
NC
E B
U
Z
Z
E
R
RE
SE
T
EV
ACUA
TE
ZON
E
1
ZON
E
3
ZON
E
2
ZONE 4
FIR
E
FA
U
LT/D
ISABLED
/TEST
EO
L C
apaci
tor
Ma
xim
u
m
of
40
Devices per
Zone
ALL
U
n
-used Zones MU
ST
be
Te
rm
inated
w
ith
an EO
L
EO
L
Resistor
EOL
Res
istor
EO
L T
erminat
ion
V
al
ue
s
Zone
=
10
uF
M
oni
tor
ed I
/O
's
=
10K
oh
m
s
Fr
ont
of
M
ain
C
ard
&
Ill
u
st
rat
ed
E
xtern
al C
ab
ling
+
-
+
-
+
-
+
-
Cl
ass
Chan
ge
(CC
) Inp
ut
AL
T
Input
KE
YSW
IT
CH
A
C
C
E
S
S
L
EVEL
3
ENT
R
Y
SW
IT
C
H
&
PROGR
AMMI
N
G
O
F
BA
TT
E
R
Y
M
O
N
IT
O
RING
(ANC P
R
O
G
)
TB1
TB
2
SW10
BA
T
T
ER
Y
M
O
N
IT
O
RING
(s
ho
w
n
"
O
N
" BA
TTE
RI
E
S
FI
T
T
E
D
and M
o
n
itor
ed)
Note: If a diode is NOT fitted
internally to the Bell / Sounder a
diode MUST be fitted as
shown - fit 1N4004 or similar
Bell
EOL
10K
Ohms
Warn Sys
EOL
10K
Ohms
Figure 5: Main Board Layout
