EQUIPMENT:
FIRE
CLASS
PRECEPT EN13
PUBLICATION:
FIRECLASS PREC EN13 INST
ISSUE No. & DATE:
2 22/07/2021
PAGE 7 of 32
6. Typical wiring schematic – 16 Zone
Figure 5 – Typical Wiring Diagram
Zone O
/Ps
1
2
3
4
Zone Circuits
Zone Circuits
Alarm Circuits
Aux DC
Inputs
Outputs
A
B
Lower terminal
tier
Upper terminal
tier
Lower terminal
tier
Upper terminal
tier
Fault Routing
Aux DC
Fire Routing
Fire Protection
N
/C
RST
GND
Repeater
BAct
Evac
Dis
Cl
/C
RST
Evac
Sil
0V
24
V
4
-
4
+
3
+
2
+
1
+
3
-
2
-
1
-
8
-
8
+
7
-
6
-
5
-
4
-
3
-
2
-
1
-
1
+
2
+
3
+
4
+
5
+
6
+
7
+
RST
N
/O
P
O
/-
P
C
/+
O
/-
P
C
/+
C
/-
P
O
/+
0V
24
V
9
+
10
+
11
+
12
+
13
+
14
+
15
+
16
+
16
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
-
+
-
+
-
+
22
uF capacitor
&
3k
9
resistor end
-of
-line
device
.
Observe polarity
Manual call point with
680
R resistor
Detector base with
Schottky Diode
1 2
1A
2A
Typical Zone Wiring
Typical Input Circuit Wiring for
Remote Silence
, Evacuate
,
Reset
&
Class Change
2k
2 0
.5
W
resistor
Typical Ouput Circuit wiring for Disabled
,
Evacuate
,
Buzzer Active
Repeater Wiring
.
See Repeater
connection diagram
Connect to Aux DC
24
V
24
Vdc
relay
Typical zonal output wiring
Field relay spec
:
Coil resistance
–
2.
6k to
4.
5k Ohms
Voltage
24
Vdc Nom
[min
18
V
, max
30
V
]
Fitted with suppression diode as shown
.
Relay fitted locally
to fire routing equipment
Relay fitted locally
to fault routing
equipment
Fire and Fault Routing output wiring shown
for the monitored
/
powered configuration
For Fire Routing &
Fire Protection O
/Ps
:
Quiescent
: 5
Vdc
Active
[fire
]:
24
Vdc nom
]
For Fault Routing O
/P
:
Quiescent
: 24
Vdc
[nom
]
Active
[fault
]:
5Vdc
Connections
:
Observe correct polarity
.
[+ =
Positive
, -
=
Negative
]
Fire Routing
, Fault Routing
&
Fire Protection Outputs Specification
:
When configured as
monitored
/powered outputs
:
For Fire Routing and Fire Protection O
/Ps
:
Volt free relay contacts shown in quiescent [de
-energised
] condition
.
For Fault O
/P
:
Volt free relay contacts shown in healthy [energised
] condition
.
Connections
:
Connect to normally open or normally closed contact as required
.
[P
=
Pole
, C
=
Closed
, O
=
Open
]
Applied voltage must not exceed
30
Vdc
.
When configured as
volt
-free changeover relays
:
Normally open switch contacts
Alarm Circuits wired to
Alarm Relay Board
.
See Alarm Relay Board
Wiring Diagram
+
-
+
