3
Wiring Diagrams
• Potential-free connection of a
wired doorbell button
• A second wired doorbell button
(terminals B1 & B2) can be
connected
• Batteries in chime must be
inserted
• Wireless expansion of a wired
doorbell/intercom system
• A second wired doorbell button
(terminals B1 & B2) can be
connected
• Batteries in chime must be
inserted
• Direct connection of a power
supply.
• A second wired doorbell button
(terminals B1 & B2) can be
connected
• Batteries for chime not required
• Wireless expansion of a wired
battery-powered chime (note the
polarity)
• Batteries in chime must be
inserted
A1
AC1
B2
B1
A2
AC2
A1
AC1
B2
B1
A2
AC2
A1
AC1
B2
B1
A2
AC2
-
+
A1
AC1
B2
B1
A2
AC2
8-16 VAC
8-16 VAC
110 V
110 V