Aiphone LEF Series Instructions

WIRING DIAGRAMS - Important Wiring Rules (continued)
- 8 -
2
1
LEF-3C
White
Red
Brown
Orange
· White lead is 12V DC when
key button is pressed.
Colored lead is ground when
channel is selected.
Brown lead is #1
Red lead is #2
Orange lead is #3
· Relay is activated when
channel is selected and door
release button is pressed.
RY- PA
Black
Yellow
Black wires are a coil. Provide
12V DC to trigger contact.
Contact
Normally Open (N/O) dry contact
110V AC, 1A,
24V DC, 1A
Door strike
AC Transformer
to white lead
to # channel’s
LEF-3C
1
E
-
+
-
+
1
E
-
Door Strike
AC Transformer
YellowBlack
LE-D/LE-DA
RY- PA
LEF-3C
PS12
White
Red
Brown
Orange
Power source
for bell strobe,
horn, etc
RY-AC/A
Contact will close momentarily
when sub station is wired to channel #
(1, 2, or 3) calls in.
White to #
Black to LEF
-
Red to LEF +
External device
to be triggered
Yellow
RY- PA
Black Yellow
to CCTV
input
LEF-3C channel's selective gnd. is
#1 selective gnd. is brown lead
#2 selective gnd. is red lead
#3 selective gnd. is orange lead
Contact will be closed
as long as channel #
is selected
to PS12 +
to # channel's selective gnd.
Door release relay wiring, one relay per door station
Operation:
· To release the door, push the Station Selector button, then press "
" to release.
· 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
PS12
PS-1208UL / PS-1208BF / PS-1208S / PS-1208, PS-1225DM

Aiphone LEF Series Specifications

General

Material	ABS Plastic
Color	White
Audio Frequency Response	300Hz - 3.4kHz
Wiring	2-wire
Door Release	Yes