Aiphone LAFC Instructions User Manual

- INSTRUCTIONS -
The LAF-C Console Master system is a loudspeaker type, single talkpath open voice system.  Multiple masters 
can be used, along with a large variety of sub station models to create a communication system tailored to the 
users needs.  Master stations are available in 20-and 40-station sizes, with or without a handset.  For greater 
capacity, include a 20- or 40-station add-on selector.  Any LE- or LS- series sub station can be used.  
All Call and/or Background Music are optional...

Individual Components for System:
LAF-20C 20-call console-style master station 
LAF-20CA 20-call console-style master station with handset
LAF-40C 40-call console-style master station 
LAF-40CA 40-call console-style master station with handset
LA-20AS 20-call Add-on Selector 
LA-40AS 40-call Add-on Selector 
PS-1225UL 12V DC, 2.5A Power Supply. One per system, or
one per BG-10C when All Call/Music is included
(also powers intercom system)
LE-series Any sub station with LE- prefix 
LS-NVP/B Vandal proof...

3a.  SINGLE MASTER SYSTEM, NO ALL CALL
1
2
3
4
5
~
20
E
E
E
E
-
C
R
Y
P1
P2
P3
+
- LAF-20C
+
-
PS-1225UL
LE-A
1
E
-LE-A
LE-D
Pg. 3
3b.  DUAL MASTER SYSTEM WITH MASTER-TO-MASTER COMMUNICATION
1
E
-
1
E
-
LE-D
1
E
-
NOTES:  
Two wiring method can be used:
1.  2 conductor homerun to each sub station from the master. 
(Single master system only.)
2.  Run multi-conductor wire in a daisy-chained fashion with 2 
common wires (E & -) plus one individual wire per station on the run.    
     Remove jumpers...

WIRING DIAGRAMS
3c.  THREE MASTER STATIONS WITH SUBS WIRED TO DIFFERENT MASTERS
+
-
PS-1225UL
LS-NVP
Red
Blk
Grn LAF-40CA
1
2
3
~
37
E
-
C
39
40
R
Y
P1
P2
P3
+
-LAF-40CA1
2
3
~
37
E
-
38
C
40
R
Y
P1
P2
P3
+
-1
2
3
~
37
E
-
38
39
C
R
Y
P1
P2
P3
+
- LAF-40CA
NOTE:
When wiring LS-NVP 
subs with two wires, 
black and green wires 
are tied together at sub, 
and E and - terminals 
are jumpered at master. LS-NVPRed
Blk
Grn LS-NVP
Red
Blk
Grn LS-NVP
Red
Blk
Grn
Master-to-master 
communication
3d.  MASTER STATION...

Pg. 5
WIRING DIAGRAMS
+
-PS-
1225UL
3e.  SINGLE MASTER SYSTEM WITH ALL CALL
1
2
3
~
10
11
12
~
20
C
E
-
+
R
Y
P1
P2
P3 LAF-20CA
LE-BN
1
E
-LE-BN
LE-BN
1
E
-
1
E
-LE-BN
1
E
- BG-10C #1
BG-10C #2
1
2
~
10
E
-
+
R
Y
P1
P2
P3
+
-
R
E
L
E
NP-25VNP-25V
+
-PS-
1225UL
LE-BN
1
E
-LE-BN
1
E
-
DC IN
NOTES:
1.  Any LE- or LS- series sub station can be used.
2.  Capacitor for All Call is Aiphone model NP-25V: 33µfd, 25V, non-polarized.
     Capacitor must be inserted in series between BG-10C and the number terminal...

OPERATIONS:
* POWER SWITCH MUST BE ON FOR THE SYSTEM TO BE OPERATIONAL.
Receiving a call from a sub station:
1.  Sub station calls in with mono-electronic tone, heard as long as call button at sub is depressed. 
2.  LED light corresponding to calling station will light at master, staying on approximately 20 seconds.
3.  Depress station button with lit LED.
4.  Press TALK button to speak, and release to listen.  With handset model (LAF-CA), speak to sub station 
privately with voice actuated (VOX)...

TROUBLESHOOTING GUIDE
PROBLEM
1.   No call tone or LED when sub calls master.
2.   Call tone works, but no communication, or 
communication works, but no call tone.
3.  Call tone is too loud or too quiet.
4.   Master stations cannot call each other.
5.   LED lights dont light up when calling master-to-
master.
6.   Occupied light is always on.
7.   When subs call in, multiple LEDs light up.
8.   All Call doesnt work.
9.   All call doesnt work, but adaptors are included.
10. When All Call is made, all...

PRECAUTIONS & WARRANTY
CAUTION
* Do not connect any AC wires to any terminal on any unit, as fire or unit damage may occur.  Connect only 
specified power source on +, - terminals.
* Do not install more or different power sources than specified for the system.
* Do not attempt to install or connect wires on LAF-C system while the systems power supply is plugged in.
* LAF-C masters and related equipment, unless specified as weather resistant, are designed for indoor use only. 
Door stations (LE-D, LE-DA,...