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G920D

Professional Noise Pollution Control System

Содержание G920D

Страница 1: ...G920D Professional Noise Pollution Control System ...

Страница 2: ... is mandatory for new buildings Product Safety The G920D must be installed by a competent electrician in accordance with the current IEE wiring regulations This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the app...

Страница 3: ...el for mains wiring The G920D may be used in one of two different ways either it may be used to attenuate the audio signal to reduce the sound level or it may be used to disconnect the supply to the audio equipment If the G920D is to be used to switch the mains power to audio equipment then the supply to this equipment should be routed through the contactor A four pole contactor is provided which ...

Страница 4: ...single phase circuit How to switch a ring main Neutral 1 Out Live 1 Out Neutral 1 In Live 1 In Live 2 In Neutral 2 In Neutral 1 Out Live 1 Out Neutral Out Live 3 Out Neutral In Live 1 In Live 3 In Live 2 In Live 2 Out Live 1 Out How to switch two single phase supplies How to switch a three phase load G920D User Guide page 4 ...

Страница 5: ...s labelled 0 the ones on the left above the indicator labelled Microphone 1 connected are for microphone 1 the ones on the right above the indicator labelled Microphone 2 connected are for microphone 2 Either may be used The connectors are wired the same at both ends of the cable Connect on the microphone panel to the terminal on the control box labelled Connect on the microphone panel to the term...

Страница 6: ...nnecting a normally closed switch to the AL terminals If the fire alarm interface is not being used at all then do not remove the link between the two AL terminals removing the link will cause the output to be disconnected The green indicator flashes if the alarm input has been activated Connecting the LED indicator panel The G920B remote indicator panel should be connected to the terminals marked...

Страница 7: ...the and 0 terminals connect the input to 0 and ignore the output Remote Reset The G920D can be set either to disconnect the audio for a fixed period of time and then reconnect it or to disconnect the audio until a remote RESET switch is pressed To use the REMOTE RESET method set the REMOTE RESET switch in the centre of the control panel to the ON position and connect a momentary switch to the pair...

Страница 8: ...B below trip level Red 3 dB below trip level Flashing red Output disconnected Flashing amber Anti Tamper circuit Flashing green Fire alarm or unit initialising Setting up Setting up should be carried out by the installer The sound level threshold and delay time are set on the controls inside the main control unit The labelling should only be taken as a guide as room acoustics may cause differences...

Страница 9: ...the power is reconnected If the mains switching is not being used only the audio interface then the DELAY control can be set to any value If the mains switching is being used then a minimum delay time of 5 seconds should be selected It should be noted that repeated connection and disconnection of audio equipment especially large power amplifiers is not beneficial to the longevity of the equipment ...

Страница 10: ...rminal block Microphone Panel Dimension 85 85 26 mm Weight 0 1 kg Microphone type micro electro mechanical MEMS Omnidirectional Connections Rewirable plug in terminal blocks DISPOSAL AND RECYCLING You must not dispose of this appliance with domestic household waste Most local authorities have specific collection system for appliances and disposal is free of charge to the end user When replacing an...

Страница 11: ...rom whom you bought it The retailer s contact details will be on the invoice that arrived with the product or on the e mail you received when you placed the order Do not contact Electrovision only your retailer can arrange a replacement If the product needs to be repaired or replaced you must contact the retailer from whom you bought it The retailer s contact details will be on the invoice that ar...

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