Aiphone LDC-S/A User Manual

LDC-S/A DOOR COM SET
Door Chime & Answering, All Call Communication System
The Door Com system (LDC) is a simple open voice door answering and internal All Call intercom system.
A 2-stroke chime is heard when the door station button is pressed, and can be answered from any inside
station by pressing the door "Talk" button. An internal "All Call" announcement can be made from any
inside station by holding down the "All Call" button. The chime tone can be turned off or adjusted to three
volume levels. The All Call can be muted at any station. Door release can also be included.
Up to 6 inside stations can be included in one system.
WIRING DIAGRAM:
PT-1210N
LE-D
E
Leave
jumper
-
intact.
1
Door
Strike
LDC-S: DOOR COM SET, includes 3 LDC-1C/A Inside Stations, 1 LE-D Door Station,
1 ACC-3/A Adaptor, and 1 PT-1210N Transformer.
Individual Components for Door Com System:
LDC-1C/A: Inside station for door answering, All Call, and door release. Includes chime volume
control, voice volume control, and All Call mute button.
LE-D: Surface mount door station, weather resistant. Flush mount LE-DA with stainless steel cover
may be used in place of LE-D. Brass and Antique brass covers are available for the LE-DA.
ACC-3/A: All Call Chime Adaptor, with 3W of output and capable of controlling up to 6 inside stations.
PT-1210N: 12V AC Transformer, 830mA, plug-in style
RY-PA: 12V DC Relay, 1A, "Normally Open" contacts, required for door release
EL-9S: Electric Door Strike, 12V AC, 300mA
MOUNTING:
LE-D: Surface mount to 1-gang box or ring.
LDC-1C/A: Flush mount with BBX-1E rough-in box,
or cut hole in wall 6-1/8" H x 3-3/4" W.
ACC-3/A: Surface mount to 1-gang box or ring.
Locate near transformer (out of sight).
LDC-1C/A
ACC-3/A
- INSTRUCTIONS -
ACC-3/A
AC 12V
IN
~
~
DC 12V OUT
+
E/-
DA
C
P2
RY-PA
Yel Blk
IMPORTANT:
LDC-1C/A stations are not compatible
with previous LDC-1C stations.
LDC-1C/A LDC-1C/A
+ +
- -
E E
DA DA
C C
R R
P2 P2
L L
If 8 conductors are available, run
"L" wire separately. If using 7
conductors, jumper L to P2 for
Door Release.
LDC-1C TERMINAL DEFINITIONS:
+ Positive 12V DC
- Negative
E Common Communication
DA Door Answering and Communication
C Chime and All Call Receive
R Occupied Circuit
P2 All Call Transmit
L Door release Activation (jumper to P2)
Special
Order
Products
LDC-1C/A
+
-
E
Wire additional
inside stations
DA
the same as
shown here.
C
R
P2
L
Pg. 1