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5
ELECTRICAL CONNECTIONS
5.1 - Important warnings
• The mains power hookup must be done by a qualified electrician in
line with electrical equipment regulations.
• Install a 2-pole circuit breaker with contact gap of at least 3 mm, or an elec-
trical cable equipped with a plug for a standard socket.
• Run some tests with the battery alone (as applicable); make sure it is fully
charged.
• For compliance with EN 50131, the connections to supplementary sirens
(whether self-powered or not, and compliant with the standard) must be pro-
tected with a balanced TAMPER line, using the alarm inputs.
• The relay outputs must be used within the voltage and current limits given in
the figure.
• For compliance with EN5031, conventional detectors connected directly to
the control panel must be certified EN50131 grade 1 or higher, and operate
with balanced lines, hence resistors must be used as shown (only 3 wires of
adequate cross-section).
• The +OFF signal is positive when the control panel is disarmed, and blocks
any detectors/sirens equipped with the appropriate input.
• The fault input, if used, trips ANOMALY signals and the consequent phone
calls
• All unused inputs may be left disconnected (they need not be balanced),
unless they are incidentally closed, even temporarily. In this case the control
unit must be powered off and on again (line reset).
5.2 - Control panel connections (models HSCU1GC and
HSCU1C only)
Caution! – Before opening the control panel's enclosure, disconnect it
from the mains power supply.
01. To hook up the power cable, insert the ferrite cylinder as shown in fig. 20
and position it as shown in fig. 21;
Warnings:
- To facilitate the connections to the terminal clamps, depress the release
button.
- The wires must be secured by closing the terminal cover with its screw;
02. For the electrical connections to the terminal block, refer to Table 2;
03. To insert the backup battery (not included) refer to fig. 22;
04. Once the connections have been completed, close the internal cover and
only then close the circuit breaker or insert the mains plug.
5.3 - HSSOC siren connections
To connect the siren with the control panel, refer to Table 2 and figure 25A if
the inputs are set as N.C. or 25B if the inputs are set as balanced.
OUTPUT
DESCRIPTION
SPK
External speaker positive output (8 Ω). Intended for a supplementary speaker for the control panel's messages; see fig. 23
+ ALI
Constant positive, for power to wired detectors; 12 V DC max. 500 mA; see fig. 24
+ OFF
Positive when the control panel is disarmed, blocks wired sirens; see fig. 25
GND (all)
Negative for all connections
+ SIR
Positive when alarm is tripped, for supplementary sirens, 12 V DC max. 500 mA; see fig. 26
+ SAA
Positive (14 V DC), for wired siren battery charger (not available if mains power is not present; see fig. 25
+ N
Caution! – If 2 sirens are hooked up, you must fit 2 diodes to the clamp to prevent return signals.
Caution! – Never use this output for powering the sirens
KEY
ON-OFF double balanced output for external key (closed = OFF); see fig. 27
IN1..IN6
Alarm inputs; see fig. 28
24H
Double balanced fault input with EN50131 enabled (Y). With EN50131 disabled (N) it becomes an NC tamperproofing contact; see fig.
28 and 25A.
NC1-C1-NO1
R1 relay output, 12V max. 500mA (connect only to SELV circuits); see fig. 29
NC2-C2-NO2
R2 relay output, 12V max. 500mA (connect only to SELV circuits); see fig. 29
PHONE
PSTN phone line connection; see fig. 6
PC
PC connection (requires USB interface); see fig. 6
Note:
• The alarm and tamper inputs are enabled when first closed. If they are closed by mistake, they report an alarm. To reset the signal, enable/disable CON-
TROL PANEL TEST mode.
12
TABLE 2 - DESCRIPTION OF THE ELECTRICAL CONNECTIONS
20
21
22
A
B
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