3
Wiring Diagrams (DW9XX Models Only)
• Potential-free connection of a
wired doorbell button
• A second wired doorbell button
(terminals B1 & B2) can be
connected
• DCP917, DW915 battery/batteries
must be inserted
• Wireless expansion of a wired
doorbell/intercom system
• A second wired doorbell button
(terminals B1 & B2) can be
connected
• Replacement of the existing
doorbell system with DW915/
DW315
• DCP917, DW915 battery/batteries
must be inserted
• Direct connection of a power
supply (for DW9../DW3.. only)
• A second wired doorbell button
(terminals B1 & B2) can be
connected
• Batteries for DW915 not required
• Wireless expansion of a wired
battery-powered chime (note the
polarity)
• DCP917, DW915 battery/batteries
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
230 V
230 V