Specifications

Installation 3
SHM80001
SAFETY HI-TECH
Quaestor-SZU Releasing Fire Control Panel - Installation and Operation
Manual Revision E03.04
29 of 155
Example EOL and Trouble Relay Connection
Provide a series connection from the NAC output to the End of Line (EOL) and the trouble relay of the NAC
Extender. During a trouble condition the normally closed (NC) contacts of the trouble relay open on the
NAC Extender providing a trouble condition on the Quaestor-SZU Releasing Fire Control Panel.
The figure below illustrates an example NAC Extender containing an EOL and trouble relay connection:
Figure 1-8
Example EOL and Trouble Relay Connection
Example Cooper Industries Connection
Provide a connection from the NAC output to the NAC Extender PS-8 of Cooper Industries. During a trouble
condition inputs open on the 1N1 terminals of the NAC Extender PS-8 providing a trouble condition on the
Quaestor-SZU Releasing Fire Control Panel.
POWER
TA
TATUS UNITS
ZONE 3ZONE 1 ZONE 2NAC2NAC1
Fire In Zone
Disab
Super
Ex
+
-
+
-
10K Ohm
EOL resistor ,
SHE80001
NO
C
NC
NAC Extender input
activation from NAC 1
Polarised
Annunciator
NAC Extender
( + )
( - )
NAC 1 EOL connection
on NAC Extender
Trouble relay opens normally closed
(NC) contact during trouble condition
on NAC Extender