Download Aiphone LEF-3C Specifications

WIRING DISTANCE:
D1
M1
M2
PS
M3
D2
–
+
12V DC
POWER ONLY
RY-PA
A
Figure 1
PS
–
+
12V DC
POWER ONLY
B
Figure 2
Wire
WIRING DISTANCE
Distance（MAX）
φ 1.0 ｍm（18AWG）
A
480 m（1575’
）
B
240 ｍ（780’
）
Dimensions (HxWxD): 180H x 143W x 53.5D (mm). 7-1/16" x 5-5/8" x 2-1/8"
RY-PA Contact Rating: 1A, 110V AC or 24V DC
RESTRICTIONS
· Only one power supply can be used on one system.
· Up to 4 masters can be connected on the multiple masters confi guration, or up to 3 masters on the intermix
configuration.
· Use the door release button only when the TALK button is not pressed. (Don't operate the door release when talking.)
Proper (relay) operation may not be guaranteed under the following conditions.
· When a master is called from another sub or master station while talking (Including when the Call tone is sounding)
· When a master is called from another master while the OCCUPIED lamp is on
6
ENTRY #
１
2
3
4
TROUBLESHOOTING GUIDE
PROBLEM
POSSIBLE CAUSE
SOLUTION
Door station does not call
in (no call tone or LED
light).
Missing jumpers
Door station does not call
in (no call tone or LED
light) -- 3-wire connection.
Missing connection of —
terminal.
Door station does not call
in (no call tone or LED
light) -- 3-wire connection.
Mis-wiring of 1 and E
terminals.
Check that the 1 and E wire are not reversed. If they are, communication
will work but call-in will not.
No communication to
door station.
Mis-wiring of E
terminal.
Communication is between the 1 and E terminal of the door station to a #
and E terminal of the master station. If call-in works, check the E wire for
continuity. Check the 1 and E wires at the sub to ensure that they are not
reversed.
Are there 2 or 3 conductors run to the door station? If 2 wires, jumper must
remain attached between E and — at both the door station and the master
station. Replace jumper. In a multi-master system, the E / — jumper
should be removed and 3 wires should be connected.
If communication works, check connection between — terminal of door
station and master. Test call-in at master station by touching a jumper wire
between # and — terminal of master. If this rings the tone and lights the
light, the — wire from the door station is not connected properly.
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