FIRERAY 2000 EExd
Hazardous Area Smoke Detector
Installation Guide
Page 9 of 14
** See specification on page 13 for technical details 23989.00.C (25.08.05)
Rx
HIGH
LAMP
LOW
LAMP
RELAY WIRING,
CONNECT AS REQUIRED
TO INDICATING
EQUIPMENT
TEST/RESET
⇐
ON OFF
⇒
SW5
+V Rx
SIGNAL Rx
0V Rx
TEST
METER
EXTERNAL
RESET
-
+
0V
+VE
OPTIONAL
TRANSMITTER P.S.U
(OR USE CONTROLLER
AND RECEIVER P.S.U)
12Vdc TO 24Vdc
-
N/O
100MA (T)
0V
+VE
CONTROLLER AND
RECEIVER P.S.U
12Vdc TO 24Vdc
ALARM
N/C
CO
N/O
N/C
CO
F
A
U
L
T
A
L
A
R
M
SIGNAL LEVEL
+
COMP
25%
35%
50%
EExd
GLAND
EExd
GLAND
METAL
GLAND
METAL
GLAND
METAL
GLAND
METAL
GLAND
OPTIONAL REMOTE
RESET WIRING
(SEE TEXT)
CLOSE TO
RESET
HAZARDOUS
⇐
AREA
⇒
NON-HAZARDOUS
AREA
METAL EExd
GLAND
Tx
METAL EExd
GLAND
Rx EXTERNAL CASE
EARTH (SEE TEXT)
Tx EXTERNAL
CASE EARTH (SEE
SUPPLY
12Vdc
TO
24Vdc
FAULT
LAMP
LED1
LED2
LED4
FUSE
CONTROLLER UNIT/PCB
•
Typical installation shown (See text).
•
Do not omit any Earth connections.
•
MICC cable recommended for all cabling.
•
Approved, EExd glands must be used at the Rx
and Tx, and at the interface partitioning the
hazardous and non-hazardous areas.
1
0
0
m
m
a
x