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Wire the ADC-VDB770 without a chime

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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 (not included with the ADC-VDB770).

 

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