Videx KRA76, Manual, Page: 4 / 16

66250930 - V4.0 - 15/05/19 - 4 -
Kristallo Series
Art. KRA78-KRA76 - Installation instructions
INTERCOMMUNICATION MODE AND EXTENSION ID. SETUP
1. Press and keep pressed button for 5 seconds to enter intercommunication mode and extension ID setup: the LED turns
on and the unit emits a “beep“;
2. Two intercommunication options are available:
» To enable intercommunication between different apartments (units with different PHONE ID) press nothing to enable
“APT. MODE”: this enables intercommunication among devices in different apartments having PHONE IDs from 1 to 9;
» To enable intercommunication between extensions in the same apartment (units with the same PHONE ID but with different
Extension ID) press the button as many times (1 to 9) as the value of the Extension ID to set for this intercom. this enables
intercommunication between devices in the same apartment having EXTENSION IDs from 1 to 9;
3. Wait for some seconds: the LED turns off and the unit emits a double “beep“ which confirms the new setting is properly stored;
4. The unit returns to stand-by mode.
CONNECTION TERMINALS SIGNALS
DOL
12Vdc input to supply “door open” LED
SB
Open collector output (active low) for service call
button. When the monitor is switched on, keep
pressed the button until the service is enabled.
Once enabled the output remains active for 2s approx.
Max 24V - 100mA dc.
AL
Active low input for alarm signal. When active, the
system sends the alarm to the concierge if installed
and enables the Art. 512DR if installed and properly
configured for the alarm management
LB Active low input for local call “Local Bell”
L BUS DATA line input
– BUS Ground line input
12Vin Stand-by +12Vdc power supply input
TECHNICAL SPECIFICATION
Power supply voltage:
12÷14Vdc
Power consumption:
Stand-by: 6mA max (on 12Vdc)
Operating: 200mA Max (on 12Vdc)
Working temperature:
-10° +50° C
Art. KRA78-KRA76
Handsfree intercom