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Wiring doorbell chime with four wires for Nest Doorbell

Richnb
Community Member

I was attempting to install a wired Nest Doorbell, which I’ve done on two other houses, but was surprised to find a different configuration on the chimes. There are two wires each on the Transformer and Front connections - never seen that before, and Nest Support immediately told me to contact Ontech. Has anyone ever seen this before (photo attached). This is an old Nutone chime. The door bell has the expected 2 wires.685A423B-62BB-4123-B3D7-23ECD081A629.jpeg

2 Recommended AnswerS

Richnb
Community Member

The OnTech technician tested the wires to find out which ones connected to the doorbell, and ignored the other two (just left them hooked up to the chimes, along with the Nest connections. This was a very old chime, which may have been connected to an intercom system.  Everything works now.

View Recommended Answer in original post

Richnb
Community Member

Nothing left to discuss from my end since the Nest doorbell works. I did find another older chime, which is likely where the additional wires connect to. Old houses are a lot of fun. These bells do not ring, although there does seem to be current running to them. 

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8 REPLIES 8

Chyld989
Community Member

Would love to know if you ever figured this out.  My new home has the same setup (though it also has two wires on rear).

Richnb
Community Member

I hate to admit that I gave up and scheduled Ontech to do it. I’ll post the solution once it’s done.

Brad
Community Specialist
Community Specialist

Hi there, 

I apologize for my late response and thank you for all of your patience while waiting for a reply. I'm terribly sorry to hear that you're having this issue, I understand how upsetting this could be, but I'm happy to assist you with this issue. Here is an article that goes over compatibility. Look it over and see if your system you have is compatible with a chime. 


Best Regards, 
Brad

Richnb
Community Member

The OnTech technician tested the wires to find out which ones connected to the doorbell, and ignored the other two (just left them hooked up to the chimes, along with the Nest connections. This was a very old chime, which may have been connected to an intercom system.  Everything works now.

Brad
Community Specialist
Community Specialist

@Richnb

 

I am relieved to hear that your system is working for you now! Do you need further assistance?

 

Best regards,

Brad

Brad
Community Specialist
Community Specialist

Hi there,

Just checking in to see how the conversation is going as there's been a lapse in activity on this thread.

Best regard,
Brad

Richnb
Community Member

Nothing left to discuss from my end since the Nest doorbell works. I did find another older chime, which is likely where the additional wires connect to. Old houses are a lot of fun. These bells do not ring, although there does seem to be current running to them. 

Brad
Community Specialist
Community Specialist

@Richnb

 

I am relieved to hear the issue is resolved, we'll be locking and closing this thread. If you still need assistance with this issue, feel free to start a new thread. Thank you for your understanding.

 

Best regards,
Brad