Timeguard DoorCom DCEX3 Manuel

INSTALLATION & OPERATING INSTRUCTIONS

AUDIO DOOR ENTRY SYSTEM

Model: DCEX3 Single Channel Colour

DCEX4 Twin Channel Colour

DCEX4DCEX3

DCEX3/4

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1 2 3

NAME PLATE

1. Introduction

The DCEX3/DCEX4 Door Entry System enhances entry security by enabling

the user to recognise the visitor by audible and visual means before

opening the door.

An electric door catch (not supplied) is available as an optional extra for the

DCEX3/DCEX4 to make the door opening automatic.

The external and internal intercoms are connected by a two core cable. With

the cable supplied the distance between these units is limited to 15m. By using

13/0.2 bell cable this distance can be increased to a maximum of 70m.

2. Product Overview

If operation with an electric door catch is required then part DCLR is a fail

(power off) secure catch available from Timeguard. See ﬁg 2 for wiring of this

part. An additional two core cable run (using 13/0.2 bell ﬂex) will be required

between internal intercom and door catch.

1. External intercom.

2. Internal intercom.

3. Name plate.

4. Loudspeaker.

5. Power on indicator.

6. Ring button.

7. Keyhole ﬁxing.

8. Screw terminals.

9. Slot for angle bracket (15).

10. RJ-11 plug.

11. Mains adaptor low voltage

socket.

12. Speak button.

13. Door open button.

14. Mains adaptor.

15. Angle bracket.

16. Volume switch (Hi/Lo).

17. Connecting cable.

18. RJ-45 socket.

19. Ring tone selector.

20. Quiet observation button.

Fig 1a - External Intercom

(front view) DCEX4 shown

Fig 1b - Internal Intercom

(front view)

Fig 1c - Internal Intercom (side view) and

remaining parts

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Internal intercom

Fig 2 - Wiring diagram

DCEX3 (single channel)

External intercom

Door catch

DCEX4 (twin channel)

Door catch

Alternative low

voltage supply

connection

Alternative low

voltage supply

connection

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30cm

165

75º

165

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 ﬁg 3a and at a maximum distance of 70m from the external

intercom. If all the users are signiﬁcantly above or below average height then a different

mounting height may be considered appropriate.

The external intercom should be sited in an area away from driving rain

and surface water, out of direct sunlight as far as possible and protected by the

minimum of an open porch in a position readily accessible to potential entrants. It

should be mounted at the height indicated in ﬁg 3b.

Fig 3a

Internal intercom

mounting height

Fig 3b

External intercom mounting

height and coverage

3.2 Cabling

Connection between the internal and external intercoms is by 2 core cable and must not

be more than 70m long. Two core (13 x 0.2) bell ﬂex is suitable.

A 15m length of 2 core cable is supplied with the kit terminated at one end with an RJ-

11 plug which connects to the RJ-45 socket on the internal intercom. Existing bell cable

runs can be made use of.

The cable run should be kept at least 100mm away from mains cables to avoid

interference.

A second relatively short 2 core cable will be required between the external intercom

and the door catch (if used).

A further 2 core cable will be required to extend (if necessary) the cable between the

external intercom and the second internal intercom for the DCEX4.

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External

intercom

4. Fixing Intercoms

4.1 External intercom

Important: To give the best possible waterprooﬁng and appearance we

recommend taking the wiring through the exterior wall directly over the

wiring terminals of the intercom. If the surface to be ﬁxed to is not even (e.g.

pebbledash or brickwork with raised pointing) we recommend the use of at least

10mm (3/8") thick marine ply as a mounting plate between the wall and the

intercom to give a ﬂat surface for its 3 point ﬁxing.

Use the template provided to mark the positions of the three ﬁxing holes. Drill and, if

necessary, plug these holes for No. 8 roundhead screws.

Drive the top two No. 8 roundhead screws in leaving 3mm of the shank exposed (see ﬁg 4).

Fig 4

Wall surface

3mm

The third screw is used to secure the angle bracket (15) to the wall (see ﬁg 5).

Pass the cable(s) through the wall hole and terminate the cable from the internal intercom

ensuring that the brown and red wires are connected to the terminals of the same colour

on the external intercom (particularly important if an extension cable is used).

If a DCEX4 is being installed then a second cable will be required to connect to the

additional internal intercom maintaining polarity as before.

If a door catch is to be used connect an additional two core cable to the terminals on the

external intercom marked door opener (not polarity conscious).

Offer up the external intercom to the ﬁxing points feeding the cable(s) back through the

wall as necessary. Locate the larger part of the keyhole ﬁxings on the heads of the two

ﬁxing screws (see ﬁg 5) and, keeping the rear of the case clear of the angle bracket (15),

push the external intercom downwards to locate the screws on the narrower part of the

keyhole ﬁxing.

Push the lower part of the external intercom towards the wall taking care

to locate the angle bracket (15) in the slot (9). Insert the screw supplied

through the countersunk hole in the lower edge of the external intercom and screw home.

If the ﬁxing surface is uneven it may be necessary to increase the exposed shank of one or

both of the top ﬁxing screws to get a satisfactory ﬁt.

Fig 5

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4.2 Internal intercom

Choose a position which can be reached easily by all potential users. If one person

usually in one location will be the main user it may be considered appropriate to locate

the internal intercom within reach of that person.

Use the template provided to mark the positions of the three ﬁxing holes.

Drill and, if necessary, plug these holes for No 8 roundhead screws.

Drive the top two No. 8 roundhead screws in leaving 3mm of the shank

exposed (see ﬁg 4).

The third screw is used to secure the angle bracket (15) to the wall (see ﬁg 5).

Plug the low voltage cable from the mains adaptor into the socket on the reverse of the

internal intercom and feed the cable into the channel (20). Insert the RJ-11 (10) plug

on the connecting cable into the RJ-45 socket (18) on the lower edge of the internal

intercom.

Offer up the internal intercom to the ﬁxing points.

Locate the larger part of the keyhole ﬁxing on the heads of the two ﬁxing screws (see

ﬁg 5) and, keeping the rear of the case clear of the angle bracket (15), push the internal

intercom downwards to locate the screws on the narrower part of the keyhole ﬁxing.

Push the lower part of the internal intercom towards the wall taking care to locate

the angle bracket (15) in the slot (9) and the connecting cable in the cable channel

(20). Insert the screw supplied through the countersunk hole in the lower edge of the

external intercom and screw home.

If the ﬁxinng surface is uneven it may be necessary to increase the exposed shank of the

top ﬁxing screws to get a satisfactory ﬁt.

Finally tidy and clip the connecting cable and the mains adaptor low voltage cable as

appropriate.

4.3 Name Plates

Remove the transparent cover(s) using a small ﬂat bladed screwdriver as shown in ﬁg 6.

Lever out the plastic name plate(s) and mark as appropriate with a ﬁbre tipped pen

marked permanent.

Protect case under blade with card or

folded paper.

Fig 6

1. Engage the screwdriver (ﬂat) blade

in cover recess.

2. Push blade ﬁrmly into recess wall.

3. Maintaining pressure on recess lever

cover outwards against case.

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5. Commissioning/Use

Press the ring button (6) at the external intercom – a buzz will be heard locally and at

the internal intercom the video monitor will power up and a ring tone will be heard for

two to three rings. Once the talk button is pressed two way communication is possible

via the microphone and speaker at each intercom. Finally, if a door catch is ﬁtted,

the door open button (13) should be pressed and the door can be opened. It is not

necessary for the talk button to be pressed to use the door open facility. It is possible

to adjust the ringtone volume with the two position slide switch (16) on the side of the

internal intercom. Three choices of ring tone are available, use the switch (19) to select.

The video monitor can be powered up at any time by pressing the quiey observation

button. The audio system is suppressed during the one minute that the power up lasts.

6. Do’s and Dont’s

1. Never use the product if it shows any signs of damage.

2. In case of damage to the product unplug the mains adaptor from the mains supply

to avoid any possibility of electric shock and have the damage examined by a

competent person.

3. When laying cabling ensure that no cables (particularly mains cables) are damaged.

4. Never try to operate the mains adaptor at a voltage other than 230V 50Hz.

5. The installation should only be carried out by a competent person.

6. The internal intercom should be kept out of reach of children and unauthorised

persons.

7. Keep low voltage cabling at least 100mm away from any mains cabling.

8. Ensure that all electrical connections are made and wires are arranged according to

the instructions.

7. Troubleshooting

No Audio or Video 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 catch

for breaks or damage.

Check that terminations are correctly made at each

end of the above cable.

Check that the mains adaptor is plugged in and

switched on.

(if ﬁtted)

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For a product brochure please contact:

Timeguard Ltd.

Victory Park, 400 Edgware Road,

London NW2 6ND

020-8452-1112

or email [email protected]

HELPLINE

020-8450-0515

8. Cleaning

Unplug mains adaptor before cleaning product.

Clean internal and external intercoms with a damp cloth only – no cleaning agents.

Remove dust deposits from the louvres on the internal intercom with a soft brush or

vacuum cleaner.

9. Speciﬁcations

Mains adaptor: 230V 50Hz/15V, DC 1300mA

Maximum interconnect length between

internal and external intercoms: 70m (13/0.2 bell ﬂex)

Power consuption Standby: 4W

In operation: 16W

Operating ambient temperature range: -10°C to +50°C (external intercom)

+35°C max (internal intercom &

mains adaptor)

Ringtone volume: 80dBA at 0.3m maximum

(adjustable by slide switch)

Door catch: Max 12V DC / 1A

3 Year Guarantee

In the unlikely event of this product becoming faulty due to defective material or

manufacture within 3 years of the date of purchase, please return it to your supplier in

the ﬁrst year with proof of purchase and it will be replaced free of charge. For years 2

and 3 or any difﬁculty in the ﬁrst year telephone the helpline on 020 8450 0515.

67-058-237

Recycling

When service life is over please consult your local

authority regarding method of disposal.

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