Filter
Top Products
Note:
A jumper between E & - must
be attached on the master.
On surface/desk mount LEF
masters, the jumper is factory
installed. On LEF-C series
masters, the jumper must be
added.
- INSTRUCTIONS -
The LEF-LD system is designed with the capability to operate at greater distances and for use in
elevators. The sub stations are available in either surface or flush mount styles. Any LEF, LAF-C/CA,
or LDF master can be modified for Long Distance.
This is a SINGLE MASTER SYSTEM ONLY.
WIRING DIAGRAMS:
LEF-LD
LEF Loudspeaker Intercom System for Long Distance and Elevator Applications
LEF-3-LD, LEF-5-LD, LEF-10-LD, LEF-10S-LD
LEF-3C-LD, LEF-5C-LD, LEF-10C-LD
Special
Order
Products
IF-DA-LD
1
2
Wht
NOTE:
Only wiring concerning the LEF-LD is shown here.
For complete wiring information, please see the
standard instructions.
-
+
PS-1225UL
LEF Master Terminal Definitions:
1~10 Selective call/communication
terminal for each call button
E Common communication
+ 12V DC
- Negative, common call signal
IF-DA-LD Sub Station:
1 Call-in and Communication
2 Common
White +12V DC (connect to + of PS-1225UL)
IE-JA-LD Sub Station:
1 Call-in and Communication
2 Common
3 +12V DC (connect to + of PS-1225UL)
LEF-10-LD
Method A:
3 conductors homerun
from master to each sub.
1
2
~
10
E
-
+
IE-JA-LD
1
2
3
IF-DA-LD
1
2
Wht
-
+
PS-1225UL
E/- jumper
attached on
master
LEF-10-LD
1
2
~
10
E
-
+
1
2
3
Method B:
2 conductors homerun
from master to each sub.
12V DC power provided
at each sub station
location.
IE-JA-LD
*-
+
12V DC
* Negatives of remote
power supplies must
be tied together.
-*
+
12V DC
* Negatives of remote
power supplies must
be tied together.
Aiphone Communication Systems
1700 130th Ave. N.E.
Bellevue, WA 98005
(425) 455-0510
FAX (425) 455-0071
LEF-LD Instr.
1103BKJS
TOLL FREE TECHNICAL SUPPORT:
(800) 692-0200
TOLL FREE FAX LINE:
(800) 832-3765
E-mail: tech-serv@aiphone.com
Wiring Distance: 22 AWG = 2000'; 18 AWG = 4000'
IE-JA-LD Mounting:IF-DA-LD Mounting:
IMPORTANT:
Only the IF-DA-LD, IE-JA-LD, IE-SS-LD and IE-SSR-LD will function with these LD style master. Standard sub
stations will
not function. In addition, the IE-JA-LD and IF-DA-LD will not function with a master other than an "LEF,
LAF or LDF -nLD" style.