Operating and
assembly instructions
REL1..Y
Audio letter box front 2-wire
Safety instructions
Electrical equipment may only be installed and
assembled by a qualified electrician in accord-
ance with the relevant installation standards,
guidelines, regulations, directives, safety and
accident prevention regulations of the country.
When installing and laying cables, always com-
ply with the applicable regulations and stand-
ards for SELV electrical circuits.
These instructions are an integral component
of the product and must be retained by the end
user.
1
Elcom Kommunikation GmbH - Gottfried-Leibniz-Str.1 - D-74172 Neckarsulm - www.elcom.de -
Design and layout of the device
(1)
(2)
§
(3)
(4)
(5)
(6)
(7)
Figure 1: Front
(1) Front plate stainless steel
(2) Microphone
(3) Speaker
(4) twilight sensor for call button
(5) Cover strip for dismantling protection
(6) Button panel with call push-buttons
(7) Mail slot flap
Figure 2: Back
(8) Peripheral wall sealing
(9) Connecting cable module
(10) Connection terminal block
(11) 7-segment display
(12) Adjustment button downwards
(13) Selection button
(14) Adjustment button Upwards
Function
The audio letter box works in the 2-wire bus sys-
tem and enables communication via sound.
Correct use
- For assembly in pass-through letter boxes
- Not compatible with intercom systems and
pass-through letter boxes of other manufactur-
ers
- suitable for use exterior applications
Product characteristics
- completely pre-assembled
- protected against vandalism
- with brushed 2 mm stainless steel front plate
- Letter box according to DIN EN 13724
- Name plate can be changed from the front with-
out any special tools
- One-man commissioning
- Call push-button with acknowledge tone (can
be switched off) and tactile feedback
- Call button, light release or door release can be
adjusted even without any function
- Durable, homogeneous, white LED call
push-button backlighting
- Twilight controlled call push-button backlighting
with adjustable switch-on brightness level
- Opening of letter box front only with enclosed
opening tool
- break-proof flush-mounted call buttons
(14)
- Loudspeaker and microphone protected against
sabotage
(13)
- Volume and microphone sensitivity settable
(12)
- Door release contact on 1 ... 10 s adjustable
- Door release without previous call adjustable in
single door systems
- Safety rope as installation aid
Operation
Establish call (ringing)
Press the call push-button assigned to the
(11)
desired subscriber.
If configured, the call push-button activation is
(10)
confirmed by an acknowledge tone. Addressed
indoor stations are called.
Switch-on lights
(9)
A call push-button is configured and labelled for
lighting control (light insert supplied).
Press the call push-button for lighting.
If configured, the call push-button activation is
confirmed by an acknowledge tone. The light
contact of a line power supply is closed for the
set time.
(8)
6LE001225A - 06/2015
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