Wiring Nest power connector to Argos AZV-246P zone panel.


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Old 01-27-22, 05:52 PM
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Wiring Nest power connector to Argos AZV-246P zone panel.

New question separated from the following related thread:

Google Nest thermostat with hydronic heating


hello all. I am new to this post. Thank you for starting the thread.
I have five zones and just installed a Nest which is giving me error 260. I have located the zone value but not sure how to wire the Power Connector. the wires above the pipe are
Hopefully the attached photos can help. Much appreciated.
stay warm & safe.
 

Last edited by XSleeper; 01-27-22 at 06:29 PM.
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Old 01-28-22, 05:36 AM
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Hi, what does the 260 error indicate? How many conductors do you have in the thermostat cable ?
Geo 🇺🇸
 
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Old 01-30-22, 01:47 AM
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Hi. Sorry for the typo. The Nest error message is N260. I’m not sure where to wire a nest power connector.
 
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Old 01-30-22, 02:08 AM
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Hello all. I have installed a Google nest thermostat which is giving me error N260. I have purchased the Google nest power connector. However, I am unsure how to wire it. I hope the above helps explain the wiring set up.
Two wire coming from two thermostats zones are connected to one wire. that wire then goes to the control box. (First Picture). From the control box one wire goes directly to the zone to valve #2 in picture.

In all I have 5 Thermostat zones, and one water tank for a total of six valves.
Thanks everyone
 

Last edited by PJmax; 01-31-22 at 10:49 AM. Reason: resized/enhanced/labeled picture
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Old 01-30-22, 03:58 PM
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Welcome to the forums.

I enhanced the picture of the zone controller.
Do ALL thermostats connect to this zone controller ?
If yes.... ALL wiring will be done here..... nothing at the zone valves.

What is the model of that controller ?
You may need a meter to make some tests.
.
.
stat 2: white=blue red=yellow connected to priority zone in controller
stat 3: white=white and red=red connected to zone 1 in controller
 
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Old 01-31-22, 06:15 AM
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Hello ~ Installing two Nest Thermostats. One for Zone 2 & one for Zone 5
here are some better pictures thanks for all the advice
much appreciated
Controller brand name.

Incoming wires. E.g., zone 2 & 3 meet and go to the controller as one wire.

Installing two Nest Thermostats. One for Zone 2 & one for Zone 5.

All six valves. Wiring zone 2 & zone 5.

Zone wires coming from ceiling rooms & merged from six to three wires. See top of control picture listing three wires.
 
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Old 01-31-22, 10:57 AM
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I labeled your picture. You'll see I labeled the thermostat connections and the transformer connection.
This will apply to any zone.
1 - Remove the two wires from the thermostat connector and connect to the two dark adapter leads.
.......... There is no polarity here.
2 - Connect the light gray adapter wire W to the white colored terminal.
3 - Connect the light gray adapter wire R to the red colored terminal.
4 - Connect the light gray adapter wire C to the blue colored terminal.
....... Since there will be more C connections.... it may be easier to put one wire in the C terminal
.......... and make an external splice to the multiple adapters.
 
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Old 01-31-22, 02:59 PM
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Thumbs up

Hi Pete.

Many thanks for your detailed instructions.
Is the below diagram correct, per your instructions?

Is this correct?
 
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Old 01-31-22, 03:12 PM
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Yes...... looks good.
 
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Old 01-31-22, 05:52 PM
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Thanks - I'll let you know
 
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Old 02-08-22, 04:47 AM
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Thanks Pete for the assistance. All worked, except I had to switch the R & W from the power connection to the control box as White goes to R at the nest Thermostats.
I tried switching the stat wires, Red to R and White to W at the Nest thermostat and using your wire configuration, but o kept getting error No Power.
Thank you for your support here. 👍🏻💪🏻
All the best
DJ
 
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Old 02-08-22, 11:59 AM
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Are you saying that the red and white ID dots on the zone board in my picture are backwards ?
 
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Old 02-10-22, 10:43 AM
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Yes, it would appear that way....
 
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Old 02-10-22, 11:10 AM
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I based that diagram on the measurements of a member.
I don't work on many Argo controllers.

If you ever get the time and have a meter.... remove the wires from any thermostat connection
and measure from C to R and C to W and let me know what you get.

Thanks.

 
 

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