Model FS17X
™
Fire and Flame Detector
INSTALLATION GUIDE and OPERATING MANUAL
Fire Sentry Corporation
Document No. 6178-007 - Rev. F
© Copyright 2012
All Rights Reserved
Page 23
Drawings (
continued
)
Wiring and Terminal Connections (
continued
)
Figure 4-11 Typical Wiring for 4-20mA (current sinking) Analog Output and Fault / ALARM Relays
(FS17X-G
4
-P
)
NOTES:
1. Cable shield must be grounded at one end only, at the Control Panel. Coil and tape cable shield at the
Detector end.
2. ALARM relay contacts shown with no power applied. ALARM relay is normally De-Energized during normal
operation and with no ALARM. This relay will Energize during ALARM conditions.
3. Fault relay contacts shown with no electrical power applied. During normal operation and with no Fault, this
relay will De-Energize and the
N
.
O
. (
N
ormally
O
pen) contacts will close.
5. At the Fire Alarm or Process Panel connect a jumper b24 Vdc Supply and 4-20mA (+).
Figure 4-12 Typical Relay Output Wiring for Monitoring RS-485, ALARM and Fault
Contacts
(FS17X-G
1
-P
or
FS17X-S
B
-P
)
NOTES:
5. Cable shield must be grounded to “Earth Ground” at the Control Panel end only. Coil and tape the cable shield
at the Detector end.
6. ALARM relay contacts shown with no power applied. ALARM relay is normally De-Energized during normal
operation and with no ALARM. This relay will Energize during ALARM conditions.
7. Fault relay contacts shown with no electrical power applied. During normal operation and with no Fault, this
relay will De-Energize and the
N
.
O
. (
N
ormally
O
pen) contacts will close.
8.
EOL
(
E
nd-
O
f-
L
ine) device shall be installed as required and supplied by the Fire Alarm Panel.
