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2800Hz 0.25s ON/OFF I -O- I -O-O-O 1 111 42. 2400/2900 @ 2Hz I -O- I -O-O- I 1 114 43. Chime, 554Hz/440Hz Single shot ‘ding dong’ I -O- I -O- I -O 1 116 44. Chime, 554Hz/440Hz Repeating ‘ding dong’ I - O - I - O - I - I 1 116 45. Chime, 970Hz/800Hz Single shot ‘ding dong’ I-O- I - I -O-O 1 117 46. Chime, 970Hz/800Hz Repeating ‘ding dong’ I - O - I - I - O -I 1 117 47. Hooter, Repeating I - O - I - I - I - O 1 115 48. Gentle alarm - Tone 2, rises slowly to full volume over 30s I - O - I - I - I - I 1 120 49. Time-Out Alarm – As Tone 2, cuts off after 10 mins I - I -O-O-O-O 1 120 50. Time-Out Alarm – As Tone 2, cuts off after 2 mins I - I -O-O-O- I 1 120 51. 750Hz 0.33s ON/0.51s OFF I - I -O-O- I -O 1 118 52. 750Hz 0.51s ON/0.33s OFF I - I - O - O - I - I 1 119 53. 550Hz, 0.33s/1000Hz, 0.7s I - I -O- I -O-O 1 116 54. 600Hz – 900Hz/ 0.9s I - I - O - I - O - I 1 119 55. 660Hz – 680Hz/ 0.9s I - I - O - I - I - O 1 116 56. 670Hz – 725Hz/ 0.9s I - I - O - I - I - I 1 118 57. 920Hz – 750Hz/ 0.9s I - I - I -O-O-O 1 119 58. 700Hz - 900Hz, 0.3s/0.6s OFF I - I - I - O - O - I 1 120 59. 900Hz - 760Hz, 0.6s/0.3s OFF I - I - I - O - I - O 1 119 60. 750Hz I - I - I - O - I - I 18 118 61. Power Only – Use with Stage 3 control for manual/intermittent chime triggering I - I - I - I - O - O 43 62. Power Only – Use with Stage 3 control for manual/intermittent chime triggering I - I - I - I - O - I 43 63. Power Only – Use with Stage 3 control for manual/intermittent horn triggering I - I - I - I - I - O 47 64. Reserved for future use I - I - I - I - I - I Nexus 120 AC Sounder & Sounder-Beacon Installation Instructions EN DE FR NL ES PT IT PL SE DK Installation Manual Installation IMPORTANT a. The unit should be fitted with a fused spur incorporating an all pole disconnection device providing 3mm contact separation in all poles. Ensure fuse, cable size and gland type are rated sufficiently for the total load on the sounder circuit. b. Isolate the unit from the electricity supply before removing the cover. Only suitably qualified personnel should gain access to the unit to perform adjustments to the tone or volume. WARNING: no user serviceable parts contained within the unit. c. The sounder is installed by first mounting the base unit and making the external wring connections to the base. The head unit then automatically connects when it is attached to the base. d. The sounder head is separated from the base by unlocking the four .-turn fasteners in the corners of the sounder. (Recommended screwdriver: Philips No. 2, min 100mm long). e. Note that the head only fits onto the base one way around. If a beacon is fitted, care should be taken when mounting the base to ensure that the beacon will be positioned in the desired orientation after the sounder is attached. Wiring a. Power: Note that the sounder and beacon have separate power terminals, marked as follows: b. Remote Tone Switching (If required): Externally link control terminals as shown below. EN Sounder Beacon (Where fitted) Device Common (Neutral) 110V 230V Alarm Stage Example Signal Activation Technical Specification: Supply Voltage Range 110/230V 50/60Hz Current Sounder - 200mA max. Beacon (where fitted) - 70mA Peak Sound Level 111-120 dBA at 1m* Number of Tones 64 Frequency Range 340 - 2900 Hz* Volume Control 20 dBA typical Remote Tone Switching Provision for 3 volt-free contact activated alarm stages Operating Temperature - 25°C to +55°C Casing High Impact Polycarbonate/ABS IP Rating IP66 with suitable cable glands Synchronisation Automatic with Klaxon Nexus and Sonos Sounders *depends on selected tone. The European directive “Waste Electrical and Electronic Equipment” (WEEE) aims to minimise the impact of electrical and electronic equipment waste on the environment and human health. To conform with this directive, electrical equipment marked with this symbol must not be disposed of in European public disposal systems. European users of electrical equipment must now return end-of-life equipment for disposal. Further information can be found on the following website: S 2 + - S 1 N 2 30 V 2 3~0 V 11~0 V ~ 110 V S 3 S 2 0 ~ S 2 + - S 1 230 V ~ 110 V N 2 30 V ~ ~ 110 V S 3 S 2 0 ~ 2nd Stage 3rd Stage Beacon L Sounder L Common N 1st Unit 2nd Unit From controller To the next unit Nexus 120 AC Sounder & Sounder-Beacon Installation Instructions NN110V ~ 11~0V 23~0V 23~0V S2 S3 Stage 1 ‘Alert’ No Connection (Default) Stage 2 ‘Evacuate’ Link Terminal to terminal Stage 3 ‘All Clear’ Link Terminal to terminal Controls a. Tone Selection The first and second stage alarm tones are independently set using 6-way dipswitches S1 and S2 respectively. The required settings are shown in the table overleaf. The third stage alarm tone is pre-set to complement the selected first stage tone as shown in the table. b. Volume Control The sound output of the unit can be reduced by up to 20dBA by adjusting the potentiometer. Installation Manual Specifications techniques a...