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Wiring and Connections
All wiring must be installed in accordance with all applicable national, regional or local standards.
In the UK this is BS 7671 (IET Wiring Regulations).
CONN1 (SNDR + -) Connector - See Fig.1
Connection to ActiV sounders and ActiV sounder
VADs.
Fit the supplied 27K EOL across the terminals of
the last device on the circuit.
All terminals can accept cables up to 1.5mmØ.
Fig.1: CA738 Wiring & Connections
Installation and Testing
This product must be installed and tested in accordance with applicable local and/or national
regulations.
The I/O module is designed for indoor use only and may be flush or surface mounted in a place
where the status of the LED indicators are clearly visible.
Two mounting holes are provided on the I/O module for fixing to a standard UK double-gang
back box with minimum 35 mm depth. DO NOT OVERTIGHTEN THE FIXING SCREWS.
Manufacturer: Computionics Limited (C-TEC), Challenge Way, Martland Park, Wigan, Lancashire WN5 0LD.
E&OE. No responsibility can be accepted by the manufacturer or distributors of these devices for any misinterpretation of
this instruction, or for the compliance of the system as a whole. The manufacturers policy is one of continuous improvement
and we reserve the right to make changes to product specifications at our discretion and without prior notice.
CAST Range
CA738
Sounder Controller
Loop
L1+ L2+
CONN2
L1+
-
CAST Loop
(to / from fire panel)
Connect EOL in last
device on sounder circuit.
Approved Document No. DFU0007380 Rev 1
CONN2 Loop Connector
CAST loop connection to / from CIE.
Refer to the individual
instructions supplied with
each ActiV device for
wiring and specifications.
SNDR
CONN1
L2+
-
+Ve
ActiV
Sounder VAD
+Ve
27K EOL
-Ve
S
S
-Ve
www.c-tec.com
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