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Summary of Contents for Time Guard DCA2
- Page 1 AUDIO DOOR ENTRY SYSTEM Model: DCA1 Single Channel DCA2 Twin Channel DCA1/2 DCA2 DCA1...
- Page 2 1. Introduction The DCA1/DCA2 Door Entry System enhances entry security by enabling the user to recognise the potential entrant by audible means before opening the door. An electric door catch (not supplied) is available as an optional extra for the DCA1/DCA2 to make the door opening automatic.
- Page 3 External intercom (DCA2 shown) Internal intercom (fi rst channel) Handset cable Electric door catch (not supplied) Internal intercom (second channel) Handset cable Fig 2 Wiring diagram for Two Channel system. 6. Terminal strip 11. Mains adaptor socket 12. Internal intercom mounting hole 13.
- Page 4 3. Selecting intercom sites and cabling 3.1 Intercom sites The internal intercom should be located at a convenient position for all potential users at the height indicated in fi g 3a and at a maximum distance of 70m from the external intercom. If all the users are signifi cantly above or below average height then a different mounting height may be considered appropriate.
- Page 5 70 m long. Two core (13 x 0.2) bell fl ex is suitable. A 15m length (2 lengths for DCA2) of 2 core cable is supplied with the kit and existing bell cable runs can be made use of.
- Page 6 X = wire to the inside intercom symmetrical and the end with the thicker (2 for DCA2) lip goes at the end closest to the ring button switch. Y = wire to door catch (if required)
- Page 7 Fig 5i – Rear access to nameplates (DCA2 shown) Catch Catch Ring button Transparent switch housing Fig 5ii – Side view of length of nameplate This (thicker) end goes closest to ring button switch Fig 5iii – Transparent housing Push catch...
- Page 8 iii Offer the back box up to the required position on the wall (refer to section 3.1). Feed the cables through the wiring slot in the back box (see fi g 4, ii). Mark the positions of the two fi xing screws (No. 8 roundhead) using the back box as a template (see fi...
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Page 9: Do's And Don'ts
5. Commissioning/Use Press the ring button (fi g 1, 7) at the external intercom – a buzz will be heard locally and a ring tone will be heard at the internal intercom unit for 2 to 3 rings. Once handset is lifted, two way communication is possible via the microphone and speaker at the external intercom. -
Page 10: Troubleshooting
7. Troubleshooting No Audio Check cable between internal and external intercoms is connected correctly. Check that there are no breaks or damage to the interconnecting two core cable. Check that the mains adaptor is plugged in and switched on. Door catch not working Check cable between external intercom and door (if fi... -
Page 11: Specifications
9. Specifi cations Mains adaptor: 230V 50Hz/15V, 1A Maximum interconnect length between internal and external intercoms: 70m (13/0.2 bell fl ex) Power consuption Standby: In operation: Operating temperature: -10°C to +50°C Ringtone volume: 80dBA at 0.3m maximum (adjustable by 2 position slide switch) Door catch: Max 12V DC 1A... - Page 12 HELPLINE 020-8450-0515 For a product brochure please contact: Timeguard Ltd. Victory Park, 400 Edgware Road, London NW2 6ND 020-8452-1112 or email csc@timeguard.com 67-058-232...
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