Nice HSCU1, Instructions And Warnings For Installation And Use

22

A

B

31

33

32

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

ELECTRICAL CONNECTIONS

5

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.

TABLE 4 - DESCRIPTION OF ELECTRICAL CONNECTIONS

OUTPUT

DESCRIPTION