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03-12-2012, 12:45 PM
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#1
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child please.....
Join Date: Oct 2008
Location: Hack City, USA aka New Orleans
Posts: 5,267
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3 doorbells
Anyone have any ideas as to wire 3 doorbells?...Everything is #18 doorbell wire. I have a 30va 16v transformer, it works great for the 2, but it wont drive them with the 3rd wired up. Is a 40va transformer the soution here or is that too many chimes for this setup?
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03-12-2012, 12:47 PM
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#2
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Chief Electron Relocator
Join Date: Sep 2007
Location: Cornpatch USA
Posts: 31,304
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I'd just up the Va of the transformer.
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03-12-2012, 12:49 PM
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#3
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child please.....
Join Date: Oct 2008
Location: Hack City, USA aka New Orleans
Posts: 5,267
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Quote:
Originally Posted by 480sparky
I'd just up the Va of the transformer.
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You think a 40va will work?...Im trying to find one online but all i see is 24v secondary @ 40va...Im pretty sure the chimes are 16volt
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03-12-2012, 12:52 PM
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#4
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Chief Electron Relocator
Join Date: Sep 2007
Location: Cornpatch USA
Posts: 31,304
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Quote:
Originally Posted by NolaTigaBait
You think a 40va will work?...Im trying to find one online but all i see is 24v secondary @ 40va...Im pretty sure the chimes are 16volt
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No way for me know know if 40Va will work or not.
Another option is to incorporate an ice cube relay with a 16v coil and a second transformer.
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In winter, why do we try to keep the house as warm as it was in summer when we complained about the heat?
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03-12-2012, 01:03 PM
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#5
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child please.....
Join Date: Oct 2008
Location: Hack City, USA aka New Orleans
Posts: 5,267
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Quote:
Originally Posted by 480sparky
No way for me know know if 40Va will work or not.
Another option is to incorporate an ice cube relay with a 16v coil and a second transformer.
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Thats a new one...
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03-12-2012, 01:09 PM
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#6
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child please.....
Join Date: Oct 2008
Location: Hack City, USA aka New Orleans
Posts: 5,267
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I wouldnt even know where to begin with that setup.
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03-12-2012, 01:14 PM
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#7
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Member
Join Date: Mar 2012
Location: Vancouver BC
Posts: 38
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What are the ohm readings of the door bell solinoids?
I am not a electrican, but a datacom tech. Regargless, I did pass a very intense avionics program long ago.
If you put three bells in paralell, the total resistance will be less then the smallest resistant in the parellel circuit.
Do you know what the guage wiring is used for the bells?
Try and do a calculation of the resistances
1
________ Get back to us with the answer with the ohm
1 1 1 Remember, the voltage drops in each leg, but not
__+__+__ Current in a parallel leg.
R1 R2 R3
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03-12-2012, 06:12 PM
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#8
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Senior Member
Join Date: May 2011
Location: Canada
Posts: 1,133
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Quote:
Originally Posted by lortech
I am not a electrican, but a datacom tech. Regargless, I did pass a very intense avionics program long ago.
If you put three bells in paralell, the total resistance will be less then the smallest resistant in the parellel circuit.
Do you know what the guage wiring is used for the bells?
Try and do a calculation of the resistances
1
________ Get back to us with the answer with the ohm
1 1 1 Remember, the voltage drops in each leg, but not
__+__+__ Current in a parallel leg.
R1 R2 R3
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? complicating it too much
I don't see the 40va being a problem but when in doubt go with the 50 lol
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03-12-2012, 07:27 PM
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#9
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Member
Join Date: Mar 2012
Location: Vancouver BC
Posts: 38
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yes mabey ;)
I never heard of a three door bell system but maybe its a huge house? Quick hurry, run to the door. sprint the 100 yards 
I wonder if a intercom would be more appropriate?
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03-13-2012, 08:41 AM
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#10
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Senior Member
Join Date: May 2011
Location: NE
Posts: 190
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Something odd here...since only one button gets pushed at a time, why would it matter if you had 2, 3, or 50? How are you wiring in the 3rd button?
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The Following User Says Thank You to Whatevva For This Useful Post:
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03-13-2012, 08:47 AM
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#11
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Senior Member
Join Date: Mar 2012
Location: Upper Midwest
Posts: 921
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Quote:
Originally Posted by Whatevva
Something odd here...since only one button gets pushed at a time, why would it matter if you had 2, 3, or 50? How are you wiring in the 3rd button?
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He has multiple chimes.
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The Following User Says Thank You to k_buz For This Useful Post:
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03-13-2012, 09:22 AM
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#12
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still in business
Join Date: Mar 2007
Location: middle america
Posts: 2,634
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I have upped the trans to a 24 volt with no real bad results. normal chimes though, no musical or electronic ones. I bet a 30va 24 volt might be a cheap way to solve your problem.
Until some little **** holds the button in for a couple minutes. haha
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Stop trying to think logically, it won't help you here. Just do as we say and everything will be alright.
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03-13-2012, 09:36 AM
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#13
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child please.....
Join Date: Oct 2008
Location: Hack City, USA aka New Orleans
Posts: 5,267
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Quote:
Originally Posted by sbrn33
I have upped the trans to a 24 volt with no real bad results. normal chimes though, no musical or electronic ones. I bet a 30va 24 volt might be a cheap way to solve your problem.
Until some little **** holds the button in for a couple minutes. haha
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I called nutone and the "tech" told me to parallel 2 30va transformers. I dont know if thats a good idea from what ive read on here... I may try that 24v one...they are just standard solenoid style chimes..
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03-13-2012, 12:09 PM
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#14
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Senior Member
Join Date: Oct 2009
Location: Kirkwood, Pa.
Posts: 490
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Quote:
Originally Posted by NolaTigaBait
I called nutone and the "tech" told me to parallel 2 30va transformers. I dont know if thats a good idea from what ive read on here... I may try that 24v one...they are just standard solenoid style chimes..
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If you bought chime kits I would try paralleling both of the kit transformers rather than buying another one.
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03-13-2012, 12:16 PM
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#15
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Moderator
Join Date: May 2009
Location: Chapel Hill, NC
Posts: 12,043
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I have never had an issue with 3 chimes on a 30 watt trany. What kind of chimes are you using. I use a nutone LB-14 recessed chime
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03-13-2012, 05:31 PM
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#16
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child please.....
Join Date: Oct 2008
Location: Hack City, USA aka New Orleans
Posts: 5,267
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Quote:
Originally Posted by Dennis Alwon
I have never had an issue with 3 chimes on a 30 watt trany. What kind of chimes are you using. I use a nutone LB-14 recessed chime
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Some off brand the supply house has. I need to check on that.
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03-13-2012, 06:45 PM
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#17
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Senior Member
Join Date: Jan 2011
Location: Victoria BC Canada
Posts: 408
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If it is a class 2 circuit it would be a violation to parallel it. I assume 3 chimes that must ring together and not 1 chime with 3 tones for different doors?
Get a larger transformer if it is 3 chimes to ring together. 24 volts for really long runs will partly deal with VD if the chimes are 16 volts.
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