Installing Ring Video Pro 2 Without Any In-house Chime

I am trying to install a new Ring Video Doorbell Pro 2. Here’s my specific situation:

(1) I can easily supply 24 VAC (40VA max) to the two existing wires going to the existing doorbell.
(2) There is no in-home chime. (It was contained within an old M&S intercom system.)

(1) I assume I do not need the Pro Power Kit or Pro Power Cable?
(2) Do I need to install a resister in the 24 VAC supply line? I saw some references to this in the community comments but don’t know if they are relevant to my situation.
(3) Anything else I should know to make this work?

Thanks in advance!

Hi @MDB. If you are installing a Ring Video Doorbell Pro 2 directly to a transformer, you do not need to install the Pro Power Kit. The Pro 2 can be connected directly to the transformer without anything in between. :slightly_smiling_face:

Justin, I just asked for clarification on a separate thread, but the installation instructions that come with the transformer ordered through ring specifically state that the transformer is to replace one installed with a chime. I would like to install directly to transformer, and it seems like there’s no additional steps necessary to hardwire the pro 2 like you’re saying, but the instruction pamphlet places a caveat on this, and would appear to contradict what you’re saying.

@Amicone. The Hardwired Transformer sold on can be hardwired directly to the Pro 2. This wiring diagram for a Pro 2 direct to a transformer might help as well.
Screenshot 2023-08-14 at 11.46.13 AM

We strongly advise consulting a qualified electrician for assistance if you are not comfortable with hardwiring or dealing with high voltage.

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Thank you for confirming!

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