VDB770 Requires Existing Wired Doorbell?

[jwcsurety (Jason)]

Installing the VDB770 without a chime is part of the installation instructions found here:

How to Install an Alarm.com VDB770

Wire the ADC-VDB770 without a chime The ADC-VDB770 can be powered without a chime using either of the following: DC adapter with a power rating of 15-30V DC, 8W minimum AC transformer with a power rating of 16-30V AC, 10-30VA. Important: This chimeless configuration requires a resistor rated at 10 Watts 10 Ohms with 5% tolerance. To wire the ADC-VDB770 without a chime using a DC adapter [VDB770_no_chimeDC] On the power module, attach the white wires interchangeably to a resistor (10 Wa…