Shield Shiel A-XT - Overview

Overview 2
Shield Fire, Safety and Security Ltd.
Shield A-XT Releasing Fire Control Panel - Installation and Operation Manual SEXTCP-OM
Revision E01.00
6 of 127
The Shield A-XT Releasing Fire Control Panel is a co nventional re control panel and releasing system. The re
control panel provides connections for Detection Zones, Notication Appliance Circuits (NACs), Releasing Circuits,
Relay Outputs, Status Units and AUX 24 V power.
Models of the Shield A-XT Releasing Fire Control Panel provide 115 VAC or 230 VAC operation in modes for
regulated and special application environments.
The gure below illustrates Class B, Style C eld wiring terminations of the Shield A-XT Releasing
Fire Control Panel:
Figure 2-1
Field Wiring Terminations
EXTRACT
SWITCH
REL PRES.
SWITCH
LOW P.EXTING.ABORT
RELEASE
MA N.
SELECT
MODE2ND STAGE1ST STAGENAC3POWERDATA
STATUS UNITS
REMOTE
CONTROL
AUX
24V
CNONOCNCNOCNC
ZONE 3ZONE 1 ZONE 2NAC2NAC1
RSTR0V SIL AL FLT NOCON CNCON CNCNC
FIRE RELAYLOCAL FIRETROUBLE RELAY
No Connection
(NC)
ZONE 2 IDC
EOL resistor
ZONE 1 IDC
EOL resistor
ZONE 3 IDC
EOL resistor
10K 10K
To Status Units
10K 10K
NAC 1
EOL resistor
NAC 2
EOL resistor
10K
NAC 3
EOL resistor
10K10K
10K
6.8K
6.8K
6.8K
6.8K
6.8K
EOL resistor
6.8K
6.8K
EOL diode
Authorized
Releasing
Solenoid
6.8K
EOL resistor
Relay
Relay
Relay
Relay Relay Relay
AUX 24 VDC
( + ) ( - )
Section 2
Overview