8
DS90335-007
DS90335-007
9
TECHNICAL SPECIFICATIONS
♦
Power: ............................................................................................................................... 12 V ac
♦
Surface-mounted panel dimensions: ....................................................................... 190 x 100 x 36 mm
♦
Surface-mounted doorphone dimensions: ..................................................................220 x 86 x 53 mm
INTRODUCTION
The T-line series AV2058 villa kits (4 + n) were designed to supply compact support-mounted devices (190 x
100 x 36 mm) powered at 12Vac.
The main functions of the device are:
1) Two-way audio amplifi cation.
2) Call tone generation
CONTENTS OF THE BOX AND SPARE PARTS
Reference code
AV2058/51
AV2058/52
Doorphone panel 1 button AV1878/10
1
0
Doorphone panel 2 buttons AV1878/12
0
1
Door panel AV2058/101
1
1
Doorphone series T-line AV1407/001
1
2
Transformer 16VA AN1299
1
1
Bolts
5
5
Instruction book
1
1
INSTALLATION
(
Fig. 2
)
CONNECTION TERMINALS
~
12 Vac power from AN1299
–/~
Negative power from AN1299 transformer and doorphone ground
C
Button common (doorphone call)
1
Speaker
column
2
Microphone column
The correct connection of the two wires to the “–” terminal is crucial to prevent buzzing.
CONNECTIONS
The following rules must be observed for connections:
-
Respect the instructions shown in the table (
Fig. 1
) carefully.
-
Avoid installing system wires close to electrical mains wires (they should be at least 30 cm apart).
-
Connect the ground wires exactly as shown in the diagrams to avoid buzzing.
Position the transformer at a maximum distance from the door panel of 20 metres.
Use 1 mm² wires for connecting terminals ~ and 0.
Also respect the connections shown on the diagram to prevent noise.
VOLUME ADJUSTMENT
(
Fig. 2r
)
The entrance panel audio unit settings are optimal for a system of average size by default.
The settings may however need to be changed.
Proceed as follows in such a case
-
External volume:
turn trimmer
EXT
clockwise to turn the volume up and anticlockwise to turn it down.
-
Internal volume:
turn trimmer
INT
in a similar way.
Turn down both volumes slightly if feedback loop howl occurs to eliminate the problem.
CALL SHORT CIRCUIT PROTECTION
The protection system will cut off calls for a few seconds in the event of a calling terminal short circuit.
ELECTRONIC DOORPHONE CALL BUTTON CONNECTIONS
For AV2058/51 one-villa kit
Connect terminal C of the door panel to a terminal of the button fi tted on the AV1878/10 panel.
Connect terminal “C7” of the T-line AV1407/002 doorphone to the other calling button terminal.
For AV2058/52 two-villa kit
Connect terminal C of the door panel to a terminal of the two buttons fi tted on the AV1878/12 panel creating
a call common using a wire jumper.
Connect terminal “C7” of the fi rst T-line AV1407/002 doorphone to the other calling button terminal of user
P1.
Connect terminal “C7” of the second T-line AV1407/002 doorphone to the other calling button terminal of
user P2.
FIXING OF THE DOOR PHONE TO THE WALL
1) Open the door phone front cover by prying a screwdriver in the lower slots (
Fig. 3
).
2) Drill two holes in the wall, then insert the nogs supplied and pass the connection wires through the
central slit.
Fix the handset to the wall by means of its mounting screws through the appropriate slots.
Then make all connections as indicated in the electrical diagram.
Wires sections are specifi ed in the relevant table (
Fig. 1
).
3) Close the door phone and snap it in position being careful not to squeeze the wires between the two
shells
ENGLISH
Summary of Contents for AV2058/51
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