Ring Video Doorbell
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S
Ring Doorbell 2020 release with a Nutone IM 4006 Intercom System
installation
troubleshooting
hardwired-battery-video-doorbell
The key (but unoriginal) concept for this installation was to: "replace" the front doorbell button which activates the Chime module within the intercom system master station with a relay switch (see the wire diagram).
(1) I turned off the circuit breaker to my intercom system.
(2) I repurposed the two front door intercom wires running from the "COMM" and "FRONT" terminals on the “Chime Module” at the back of the Nutone master station because they run from the station to the front doorbell.
(3) I connected a wire from one terminal of the 16VAC transformer to the low voltage input coil on the NEW relay and attached the other end of the low voltage input coil on the NEW relay to one of the old repurposed front door intercom wires that ran to the front door. I connected this old repurposed wire to a Ring Doorbell terminal.
(4) I attached the second old repurposed front door intercom wire to the second transformer terminal and attached that same old wire to the front door on a second Ring Doorbell terminal.
(5) Finally, I used a wire to connect one of the normally open switch terminals (N/O) on the NEW relay to the (common) COMM terminal on the Nutone Chime module (after detaching the old connection) and I used a second wire to connect the other normally open terminal (N/O) on the NEW relay to the (front door) FRONT terminal on the Nutone Chime module (after detaching the old connection).
(6) Turned on the circuit breaker to the intercom system and performed an In-home Chime Setting as directed using the Ring app.
The Ring doorbell battery maintains charge and worked just fine. The old doorbell wires are NOT powered. Therefore, they were left unattached (cap them if it makes you feel better).
Note: Picking the right relay can be tricky because my system runs off a single Nutone 105T, AC transformer (16VAC @ 15 watts) and I did not want to replace it nor install a second transformer.
After some online research, I found two relay choices that seemed reasonable: a **24VAC relay** -_uxcell A14071800ux0297 35mm DIN Rail DPDT 8P General Purpose Power Relay AC 24V Coil W Socket and a RIBU1C Enclosed Relay (10 Amp SPDT with 10-30 Vac/dc/120 Vac Coil) from Functional Devices, Inc. Tried both but the uxcell 24VAC relay seemed to work better in my hands. See my wire diagram. The Ring Doorbell activates the NEW relay which activates the Chime module and I hear the doorbell chime throughout the whole house as before.
The OLD front doorbell/speaker wall box is large with this Nutone intercom system. I found the appropriate cover plate made specifically for this purpose with a small opening thru which to feed wires to connect to the Ring doorbell. The plate was purchased from Kyle Switch Plates (https://www.kyleswitchplates.com). This cover plate allowed for the wiring and mounting of the new Ring doorbell.
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09-11-2020 02:06:25
Responses (3)
- KI used your diagram and steps to re-use a Nutone IM 3003. My system with the Nutone doorbell was working fine but I wanted to upgrade it with the new Ring Doorbell Wired ($59). I have the exact same transformer and I bought the relay that you recommended and used the old doorbell cable to the front door to connect everything. Found that the Ring Doorbell Wired when circuit was on had the blue light revolving very fast and the camera taking pictures every few seconds. The relay was also making a whining sound. I could not get the installation going and had to abort. The only difference I believe is your schematic uses another Ring Doorbell from mine so I'm not sure if the electrical/electronics are different and wouldn't work for my product. Have been on the phone with Ring support for a couple of days but haven't been successful getting it to work. They're basically disavowing anything to do with a nutone. Any ideas what's going on? Thanks in advance•
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06-03-2021 01:53:53
AI used this same diagram. Does ring 3 need to be setup for digital or mechanical. It works but makes the relay buzz while the tune is playing throughout house. I also have 3 volts across relay coil when system it idle. If I unhook the ring outside. And just tap the two wires together the relay clicks for a second and the chime plays. As soon as I put the battery back in and hook wires up and push the ring button you hear relay going nuts while the tune is playing. One guy shows a power mod box across the relay coil terminals.•0
10-03-2021 03:30:46
SSorry about your problem setting up your Nutone IM 3003. As you suggested the issue may involve: 1. Your unit being a Nutone IM 3003 and mine is the Nutone IM 4006 2. Your Ring Doorbell is not the Ring Doorbell 2020 release 3. However, it was not clear whether you performed the “In-home Chime Setting” as directed using the Ring app. It really made a difference for me and it eliminated problems like what you are experiencing. 4. Also consider using a 50 Watt 25 Ohm Wirewound Resistor, as suggested by Ring (a variety are available on Amazon). It did not work for me. Nevertheless, I think the key is the choice of the relay. You want a current that will power the doorbell and keep the battery (if your model has one) fully charged (and not cause the relay to hum) but a voltage low enough not to activate the relay and the chime until the doorbell is pressed and activated. If I were to do it all over, I would look at OONO® relays Model: F-1022 series by CZH-LABS.COM. Consider relays with Action voltages AC 10 – 13V or **AC 16 -25V** (Models F-1022 12V or **F-1022 24V**, respectively). CZH-LABS.COM sells the relays online for ~$8-12 each. Good luck! See: https://www.czh-labs.com/search/?Keyword=f-1022+series •1
21-05-2021 10:29:05
- DRing 3 and a Nutone 4406 This article help me a lot. At first, it did not work, but then I switch the 2 wires connected to the Ring unit and it works fine now.•
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06-09-2021 12:57:20
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- FThis is great. I just moved into a house built in 1992 with a whole home intercom. Not sure of the model but looks very similar. Question, where would I place the Wirewound resistor? I purchased the Ring transformer just in case and will replace the original that came installed with the intercom. Sure wish the original youtube video was still available but I think I might be able to slog my way through it. My guess is that I can repurpose either pairs of wires from the front door to the master station as specified in step 2. One set powers the speaker and one the button on the original doorbell button. In the image above, what is the "coil" between terminals 7 and 8 in the relay switch? Is that something I have to buy/install? Thanks for all of the help, guidance and recommendations.•
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18-04-2022 20:12:08
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Mattvp
1
28-12-2020 01:41:47
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