The ADC-VDB770 can be powered without a chime using either a DC adapter with a power rating of 15-30V DC, 8W minimum — or an 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 with…
The ADC-VDB770 can be wired to a digital or mechanical chime. For more information about enrolling the ADC-VDB770, see Alarm.com Video Doorbell (ADC-VDB770) - Installation Guide . Wire the ADC-VDB770 to a chime Wiring Diagram On the power module, attach the white wires interchangeably to the FRONT and TRANS…
Wiring the ADC-VDB770 with Two Chimes The ADC-VDB770 supports up to two digital or mechanical chimes when wired correctly. To achieve this, two power modules must be used, and the chimes must be wired in parallel , not in series. Step-by-Step Wiring Instructions * On the first power module , connect the white…