Bell System (Telephones) Ltd.
TABLE OF CONTENTS General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Video Telephone (model BV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Entrance Panel (BVP series) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 System Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bell View Video Entry System 1 Way General Description The bellview Video Door Entry Telephone System is a high quality, versatile security product for controlling access to private houses, residential homes, blocks of flats and offices. The occupant is supplied with an individual video entry telephone, which enables them to view the person calling at the entrance; to converse with the caller; and if desired allow them access to the building via an electric lock release.
Bell View Video Entry System 1 Way Telephone Controls Brightness Contrast Door Open LED Mute LED DOOR VIEW CAMERA Unlocks the door PORTER PRIVATE Camera Select Monitor entrance 2 Buzzer mute
Bell View Video Entry System 1 Way System Operation General The entrance panel, which includes the camera and speech unit, should be located on a wall adjacent to the building entrance. A visitor can contact the resident by pressing the call button on the entrance panel which will call the resident's video telephone (sounding a buzzer), activating the display and enabling speech. The resident can view the caller on the video screen and by picking up the handset freely converse with the visitor.
Bell View Video Entry System 1 Way Installation 4
Bell View Video Entry System 1 Way Important Safety Information Connections to the 240V AC mains supply must be carried out by a qualified electrician or similar competent person, and made in accordance with accepted safety practices. A two-pole switch (as provided by a Consumer Unit or Switch-Fuse) must be included to isolate both Live and Neutral during Installation or Maintenance.
Bell View Video Entry System 1 Way Equipment supplied BV1 Video System 1 Way Kit 1 BV Video Telephone 1 BVP1 1 Button aluminium panel 1 61 Speech unit (inside the panel) 1 BV700 Camera (inside the panel) 1 540 Power Supply 1 210 Surface Lock Release (fail-secure) The model 206 lock release can be supplied instead of a 210, if fail-safe operation is required. Refer to page 7. Model 540 Power Supply Read the section called ‘Important Safety Information’ before installing the power supply.
Bell View Video Entry System 1 Way Electric Door Release The system is supplied with a Fail-Secure release (FAIL-SECR connections), which requires power to release the lock and will secure the door upon power failure. Fail-Safe (FAIL-SAFE connections) lock releases and magnetic locks can also be connected, requiring continuous power to hold the lock and releasing the door upon power failure. All of these types can be accommodated providing they are rated at 12V DC with a maximum current consumption of 0.
Bell View Video Entry System 1 Way Commissioning Video Telephone settings (refer to diagram 1) IMPORTANT: Single Telephone system The video telephone must have the terminating slide switch set to 75R, to correctly terminate the 75S coax cable, refer to diagram 1. The Auto-Display option must be set to on, refer to page 10. Systems with Extension Telephones The most distant telephone must have the terminating switch set to 75R, all others set to ‘HI’, refer to diagram 1.
Bell View Video Entry System 1 Way Disabling the VIEW button The VIEW button can be enabled/disabled by using the slide switch on the telephone PCB (BV/2), refer to diagram 1. CAMERA button The camera button is only used on systems with more than 1 door. Lock Release Adjustment 540 Power Supply Adjust the preset VR1 to the required time, turning clockwise to increase the time. Shorting ‘Z’ to ‘12V -’ will operate the internal lock relay, for the preset time (and an audible click heard).
Bell View Video Entry System 1 Way Video Telephone DIP switch settings The location of the 8 way DIP switch is shown in diagram 1 and labelled ‘SW2'.
Bell View Video Entry System 1 Way Diagram 1 : Video Phone Adjustments (top cover removed) IMPORTANT Refer to page 8 11
Bell View Video Entry System 1 Way Troubleshooting 12
Bell View Video Entry System 1 Way Fault Finding Speech Problems Low speech volume ! ! ! ! Constant tone/feedback when in use. ! ! ! ! ! ! Speech not audible when phone is live. ! ! ! No speech when the phone is buzzed ! ! ! Volume adjustment required on the Speech Unit, see page 9 under SPEECH ADJUSTMENTS. Speech Unit is not tight against the panel grill. Panel grill is blocked. Speech Unit supply voltage low. Check 10V-15V across 'C' and 'H' on unit, after activating first.
Bell View Video Entry System 1 Way Video Problems Video picture impaired or unsynchronised. ! ! ! ! ! 1 or more phone terminating slide switches have not been set correctly. Refer to page 7. Poor coaxial cable connection or screen not connected. Phone too close to a magnetic field, e.g. transformer. Coaxial cable running too close to mains cable. Coaxial cable is not of 75S type. Entrance cannot be seen at night. ! Picture does not appear when the phone is buzzed.
Bell View Video Entry System 1 Way Miscellaneous Problems Telephone will not buzz. ! ! ! Telephone ‘DOOR’ button does not operate release. ! ! ! ! Lock release operates all the time. ! ! ! Supply voltage low (less than 10V, any system component). ! ! Buzzer disabled by PRIVATE button. Check red telephone LED is off. Faulty ‘V’,'O' or 'I' line between power supply and phone. Check 10V - 15V across ‘V’ and ‘O’, and 10V - 15V across ‘I’ and ‘O’ when called. Faulty panel button. Telephone is not live.
Bell View Video Entry System 1 Way Specifications 16
Bell View Video Entry System 1 Way Model BV Video Telephone Size 180 mm x 245 mm x 75 mm Fixing Wall mounted Supply Voltage 10 V DC min. 15 V DC max. Current consumption 405 mA maximum active 27 mA maximum idle Call / Active time 30, 60, 90 or 120 seconds Buzzer mute time 1 minute min 10 hours max Model 61 Speech Unit Size 98 mm x 60 mm x 24 mm Supply voltage 6 V AC/DC min. 15 V AC/DC max. Current consumption 100 mA DC max. 140 mA AC max.
Bell View Video Entry System 1 Way Model 540 Power Supply Size 236mm x 105mm x 81mm Output Voltage (regulated) 12.0 V DC min. 13.8 V DC nom. 15.0 V DC max. Output Current 1.5 A continuous 2.0 A peak (5 minutes max.) Lock outputs 12 V DC @ 0.5 A max. resistive or inductive Lock Time 3 seconds min. 27 seconds max.
Bell View Video Entry System 1 Way Notes 19
Bell View Video System Cable and Wiring Details 1 Way Single Door System CW1 Page 1 of 5
Bell View Video System 1 Way Single Door Systems Cable Requirement (Refer to diagrams 2a and 2b.) Cable types (solid core) 0.5 mm 1.0 mm Co-ax Twisted pair, e.g. BT spec CW1308 1.0 mm2 ‘Twin & Earth’ 75 Ohm Low loss, e.g. CT100, RG6 Video phones Total Cable Length Power (+,-) 50 m 8 @ 0.5 mm [double +, -] 100 m e.g. Other connections 2 @ 1.0 mm Video Signal 75 Ohm Co-ax 4 @ 0.5 mm 75 Ohm Co-ax A Video phone with a 50 m length requires ; 8 conductors @ 0.5 mm.
Bell View Video System Diagram 2a : Cabling for a 1 way Single door system Page 3 of 5 BV 1 Flat Video Phone(s) 6 - 8 (see the previous page) Door Panel *1 75R Co-ax BV700 Camera 5 Call Button M61 Speech Unit M540 Power Supply Electrical Cupboard 2 Lock Release © 1997 Bell System (Telephones) Ltd.
Bell View Video System Diagram 2b : Wiring for a 1 way single phone system Page 4 of 5 Flat BV 1 I R O T Z V L Notes *1 Connect '+' to '1' to activate IR lamps. *2 The Co-ax cable can be connected to either terminal block. Video Phone + - ** Use a twisted-pair (2 conductors).
Bell View Video System Page 5 of 5 Diagram 2c : Wiring for systems with extension phones BV 1 Flat Notes *1 Connect '+' to '1' to activate IR lamps. Next Telephone 75R I R O T Z V L *2 The Co-ax cable can be connected to either terminal block. Max. of 4 telephones. Extension Video Phone Set last telephone to 75R all others to HI + - *2 ** Use a twisted-pair (2 conductors).
c This product complies with European directive 89/336/EEC on Electromagnetic Compatibility and Low Voltage Directve 72/23/EEC. Emissions: Immunity: Low Voltage : Generic BSEN 50081-1 Generic BSEN 50082-1 (IEC801-2, IEC801-6) Generic BSEN 60950 Bell System (Telephones) Ltd.
