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5
ELECTRICAL CONNECTIONS
5.1 - Warnings
• The connection to the mains must be performed by skilled and quali-
fied personnel in observance of standards governing electrical installa-
tions.
• On the system, fit a 2-pole disconnect device with a gap between contacts
of at least 3 mm, or use an electric cable equipped with a plug suited to a
standard socket.
• Run any tests with battery power only (the battery must be fully charged.
5.2 - Connections on the control panel
(models HSCU1GC and HSCU1C only)
Caution! – Before opening the control panel housing, always disconnect
the mains power supply.
01. To connect the mains power cable, insert the ferrite cylinder as shown in
fig. 31 and position as shown in fig. 32;
Warnings:
- To facilitate insertion of the wires on the terminals, press the relative
release button.
- The wires must be secured by tightening the screw on the terminal cover;
02. To make electrical connections to the terminal board, refer to Table 4;
03. To insert the backup battery (not supplied) refer to fig. 33;
04. On completion of connections, close the internal cover and only then acti-
vate the disconnect device and insert the plug in the socket.
5.3 - Connections on siren model HSSOC
To make the electrical connection between the siren and control panel, refer to
Table 4 and see fig. 32
OUTPUT
DESCRIPTION
SPK
External loudspeaker output (8 Ω). Suitable for additional loudspeaker that reproduces the control panel messages; see fig. 34
+ ALI
Positive always present, for power supply of wired detectors; 12 Vdc maximum 500 mA; see fig. 35
+ OFF
Positive present when control panel is activated, for wired siren block command ; see fig. 36
GND (all)
Negative for all connections
+ SIR
Positive in alarm status, for additional sirens; 12 Vdc maximum 500 mA; see fig. 37
+ SAA
Positive (14 Vdc) for battery charger of wired sirens (not present in event of mains power failure; see fig. 36
+ N
Positive on absence , for alarm command on wired sirens. If more than one siren is connected, a diode must be inserted to avoid the
return signal; see fig. 36. Caution! – Do not use this output to power the sirens
KEY
Input for external key (closed = control panel disarmed); see fig. 38
A1-2 B1-2 C1-2 NC alarm inputs; see fig. 39
TMP A-B-C
NC auto-protect (tamper) inputs; see fig. 39
NC1-COM1-NO1 R1 relay output (connect only to SELV extra low voltage safety circuits); see fig. 40
NC2-COM2-NO2 R2 relay output (connect only to SELV extra low voltage safety circuits); see fig. 40
PHONE
Connection to fixed PSTN telephone line; see fig. 6
PC
Connector for connection to PC (requires specific USB interface); see fig. 6
Notes:
• The alarm and tamper inputs must be NC and are enabled on initial closure. If closed inadvertently they indicate an alarm status. To clear the signal,
enter and exit CONTROL PANEL TEST mode;
• The TMP inputs must be programmed on the same groups as the corresponding detectors.
22
TABLE 4 - DESCRIPTION OF ELECTRICAL CONNECTIONS
31
32
33
A
B
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