Aiphone LEF-3 Installation & Operation Manual page 6

Door release relay wiring, one relay per door station
LEF-5
White lead is 12V DC when
·
L
terminal 12V DC when door
key button is pressed.
release button is pressed.
Colored lead is ground when
K#
terminal ground when
channel is selected.
channel is selected.
Brown lead is #1
1
K1 is #1
Red lead is #2
2
Orange lead is #3
K2 is #2
· Relay is activated when
K3 is #3
L
channel is selected and door
·
K1
Relay is activated when channel is
release button is pressed.
K2
selected and door release button is
K3
pressed.
K4
K5
LEF-5
PS12
+
- -
K1
K2
K3
K4
K5
Operation:
·
To release the door, push the Station Selector button, then press "
·
When the coil gets 12V DC, the contact changes state, momentarily. Use the relay to trigger a Request-To-Exit
input on any standard access control system, or close an open circuit (shown above).
External Signaling and CCTV relay wiring, one of either relay (or both) per door station
Power source
for bell strobe,
horn, etc
External device
Contact will close momentarily
to be triggered
when sub station that is wired to channel #
(1, 2, 3, 4, or 5) calls in.
PS-1225UL, PS-1225S, PS-1225, PS-1215DIN
PS12
1
+
E
L
White to #
Black to LEF -
RY-AC/A
Yellow
Red to LEF +
LEF-5
to L
Black RY-PA
to K# channels
Black wires are a coil. Provide
12V DC to trigger contact.
LE-D or LE-DA
1
-
E
Black Yellow
RY-PA
" to release.
to +
PS12
to # channel's selective gnd.
LEF-5 channel's selective gnd. is
K terminal corresponding to the
number terminals.
– 6 –
AC T ransforme r
Yellow
Contact
Normally Open (N/O) dry contact
1 10 V AC, 1A ,
24V DC, 1A
AC T ransforme r
RY-PA
Black Yellow
Contact will be closed
as long as channel #
is selected
Door strike
Door Strike
to CCTV
input