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Related Manuals for Baldwin Boxall BVRAMB
Summary of Contents for Baldwin Boxall BVRAMB
- Page 1 C O M M U N I C A T I O N S BVRAMB Ambient Noise Microphone Installation Instructions Instructions for use with VIGIL EVAS BVRD2M systems Manual name: BVRAMB Issue: 4 ECR: 2156 Date of issue: March 2009...
- Page 2 BVRAMB Ambient Noise Microphone Installation Instructions C O M M U N I C A T I O N S © March 2009 Baldwin Boxall Communications Limited This equipment has been designed and manufactured to conform to the following EC Standards:...
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Page 3: Table Of Contents
C O M M U N I C A T I O N S Amendment Record __________________________________ iii Proprietary Notice ___________________________________ iii Safety Information ___________________________________ iv Comments_________________________________________ iv Technical Description Introduction_________________________________________1 BVRAMB Ambient Noise Microphone Specifications____________2 Installation Instructions Positioning the BVRAMB units____________________________3 Installation __________________________________________4 Connection Details____________________________________4 Commissioning Introduction_________________________________________7... - Page 4 BVRAMB Ambient Noise Microphone Installation Instructions C O M M U N I C A T I O N S BVRAMB issue 4 www.acornfiresecurity.com...
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Page 5: Amendment Record
Baldwin Boxall Communications Limited. The possession of this manual and the use of the information is, therefore, restricted only to those persons duly authorised by Baldwin Boxall Communications Limited. Do not reproduce, transcribe, store in a retrieval system or translate into any language, any part of this manual without the prior permission of Baldwin Boxall Communications Limited. -
Page 6: Safety Information
BVRAMB Ambient Noise Microphone Installation Instructions C O M M U N I C A T I O N S AFETY NFORMATION Personnel who install, maintain or repair this equipment must read the safety information below before starting work. -
Page 7: Technical Description
A system fault will be announced should the microphone capsule or on board amplifier fail. The BVRAMB includes an option to allow one of three response speeds to be selected. If the Slow response is selected the system will only respond to an average change of Ambient Noise. - Page 8 Maximum output Approx 13V DC : All BVRAMB Ambient Noise Microphones are tested and Factory Preset to ensure correct output levels are produced. It should not be necessary to adjust any internal settings within the BVRAMB. BVRAMB Sensitivity...
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Page 9: Bvramb Ambient Noise Microphone Specifications
If used in rooms with high ceilings, the BVRAMB units should be placed closer to the floor than the ceiling. A U T I O N The BVRAMB Ambient Noise Microphone is not waterproof and must only be mounted in a position where it will remain dry. -
Page 10: Installation
C O M M U N I C A T I O N S 2.2 I NSTALLATION The BVRAMB unit is mounted in a standard double gang surface mount back-box. Knockouts are located in all sides of the box, however please refer to Figure 2.1 for the available gland locations due to the position of internal components. - Page 11 : For BVRD2M connections the rear panel switch must be set to "Pull Down". Only analogue inputs 1-4 can be used for ANS sensing. : The system cabling for the BVRAMB modules does not need to be screened as there are no audio paths.
- Page 12 : For BVRDCI connections the relevant jumper must be set to "0V". Group1 is for Inputs 1-4, Group2 is for inputs 5-8 etc. : The system cabling for the BVRAMB modules does not need to be screened as there are no audio paths.
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Page 13: Commissioning
3 Commissioning 3.1 I NTRODUCTION The BVRAMB Ambient Noise Microphone permanently monitors the Ambient noise level in a given area, however the BVRD2M will only adjust the volume when it detects the audio output of the relevant zone is less than -48dB. - Page 14 3. Set the Sensor Attenuation to -40dB (minimum sensitivity). 4. Set the Dynamic Range to 00dB (maximum output). 5. Set the Speed to Fast. 6. Set the Analogue Input to the input the BVRAMB Ambient Noise Microphone is connected to. 7. Set Busy Freeze to “N”.
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Page 15: Bvramb Flowchart
BVRAMB Ambient Noise Microphone Installation Instructions C O M M U N I C A T I O N S 3.3 BVRAMB F LOWCHART Figure 3.1 — FLowchart showing BVRAMB Operation BVRAMB issue 4 www.acornfiresecurity.com... - Page 16 www.acornfiresecurity.com www.acornfiresecurity.com...