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LED Indicator Card, installed on the AV-V70 enclosure door, this is a keyed connection and can only be installed
one way (see figure 11).
Wire 24VDC regulated and power-limited power from the “Host” fire alarm control panel or from an ANSI/UL Listed
power supply to terminals 0V and +24V of the newly installed 70Vrms Speaker Circuit Interface Card [0V =
negative, +24V = positive]. Wire from the newly installed 70Vrms Speaker Circuit Interface Card terminals 0V and
+24V [0V = negative, +24V = positive] to the bottom of the original installed AV-V70, 70Vrms Speaker Circuit
Interface Card [0V = negative, +24V = positive] (see figure 11).
Note: For “Host” panel 25Vrms speaker circuit wiring and 70Vrms speaker circuit wiring refer to the
appropriate sections of this document.
A+ A-
B-
B+
OUTPUT AUDIO 70V
70V 70V NC 25V 25V
AUDIO TRANSFORMER
+24 0 +24 0
V V V V
N/O COM
B+ B-
A- A+
J1
A
B
OUTPUT
STYLE
REMOTE LED
CONNECTIONS
POWER
TROUBLE
TROUBLE
25V AUDIO INPUT
Existing Power LED Drive
Trbl #1 LED Drive Wiring
LED Indicator Card
Installed on enclosure door
A+ A-
B-
B+
OUTPUT AUDIO 70V
70V 70V NC 25V 25V
AUDIO TRANSFORMER
+24 0 +24 0
V V V V
N/O COM
B+ B-
A- A+
J1
A
B
OUTPUT
STYLE
TROUBLE
25V AUDIO INPUT
Trbl #2 LED Drive
Black Wires
25V
Red Wires
70V
24 VDC
(
-
)
(+)
XFRM #1
Existing
XFRM #2
REMOTE LED
CONNECTIONS
POWER
TROUBLE
Existing
XFRM Wiring
Figure 11 – AV-V70-KIT 70Vrms Speaker Circuit Interface Card & Transformer Mounting
