topic Re: No hot water symbols in Nest Thermostats

No hot water symbols

Billybobs — Thu, 14 Sep 2023 15:26:06 GMT

You may recall I'm the "old bod" who sought help a few weeks ago under the heading "Warrenty no response". You will be pleased to hear the head unit was replaced with your help.

However I now seem to have a problem with the new unit in that whilst heating is okay, there are no symbols or schedule for hot water. The relevant details are;

1. Third generation head unit. The ref is 077-00040-XX

2. I have a Combi boiler

3. To answer in advance the previous unit worked satisfactorily and therefore wiring was okay.

The questions to be asked:

1. Do you think there is a fault with the head unit or have they sent me the wrong replacement?

2. Is there anything I should be doing to get the hot water display?

Thank you for your help

Re: No hot water symbols

AlexD — Fri, 15 Sep 2023 10:58:56 GMT

Thanks for reaching back out @Billybobs . I would be happy to try and assist. Before the replacement you had water control options available that you used?

Just to check, do you have a Combi boiler with OpenTherm control? Because if it's just a standard Combi boiler, it would not have water control generally, as Combi boilers heat water on demand when you turn on the tap.

If it's a boiler with a separate hot water tank or a Combi boiler with OpenTherm control, I can assist you in adjusting the settings and enabling the hot water control.

Re: No hot water symbols

Billybobs — Sun, 17 Sep 2023 07:46:51 GMT

The previous thermostat controlled both heating and hot water.

However I have another problem in that whilst the thermostat was connected to the heat link it is no longer doing, I will now go back to Google Nest Support to again exchange the unit.

Re: No hot water symbols

UanaC — Sun, 17 Sep 2023 15:09:46 GMT

Hi there! Just to check was your issue solved by our support or do you want us to assist you with this issue further?

Many thanks, Uana.

Re: No hot water symbols

Billybobs — Tue, 19 Sep 2023 14:03:32 GMT

I have resolved the connection to the heat link.

To clarify I have a combi boiler, with the previous thermostat I was able to control the hot water. Now with the replacement thermostat whilst I can control heating there is no hot water symbol on the app

Re: No hot water symbols

LarisaL — Wed, 20 Sep 2023 12:36:05 GMT

Hi there. Can you tell me if you have a separate hot water tank?

Re: No hot water symbols

Billybobs — Wed, 20 Sep 2023 19:28:57 GMT

Yes we do, in our airing cupboard. The water is heated from the boiler. Does this answer you query?

Re: No hot water symbols

Paul_R — Thu, 21 Sep 2023 12:59:24 GMT

It does, in this case it means that you have a system boiler and you would need to set it accordingly. Please go to Settings > Equipment > Pro Setup > Continue and then set it as a System boiler, and select the Hot water control to on/off.

Re: No hot water symbols

Billybobs — Thu, 21 Sep 2023 18:25:13 GMT

@Paul-R you are a star .... at long last resolved. Again this Forum shows its excellence. Thank from a very 'old-un' 🏆

Re: No hot water symbols

Paul_R — Fri, 22 Sep 2023 12:27:38 GMT

I'm glad I could help with sorting this out @Billybobs. Would there be anything else I can do for you at the moment?

Re: No hot water symbols

Billybobs — Sat, 23 Sep 2023 08:53:55 GMT

Paul R good news and bad news

I now have the symbol, hot water operates on the booster

BUT, notwithstanding I have set up the schedule it is not operating within the defined times

Re: No hot water symbols

AlexD — Mon, 25 Sep 2023 13:38:45 GMT

Thank you for letting us know here. It's good to hear you managed to enable the boost.

Is the schedule completely ignored or only certain periods of the schedule? Is it staying off or coming on at other than the defined times?

Please go into the Nest app. Select the hot water control and after tap in the upper right corner to go into settings and take a screenshot of what you see there so I can have a look at the settings there as well.

Re: No hot water symbols

Billybobs — Tue, 26 Sep 2023 09:26:56 GMT

AlexD I have now resolved the problem. Whilst I had saved the schedule within the app and assumed all would be well, I noticed this morning there is a 'hot water' icon within the thermostat settings, which I had not seen before, which indicated the schedule had not be enabled, which I have now rectified, all now seems to be working well.

Thanks to the community for your assistance. Hopefully this 'Old un' can now leave you in peace and be ready to hibernate during the winter

Re: No hot water symbols

Paul_R — Tue, 26 Sep 2023 16:14:19 GMT

I'm glad to hear it's all good now @Billybobs. Would there be anything else I can assist you with at the moment?

Re: No hot water symbols

Billybobs — Tue, 26 Sep 2023 17:57:03 GMT

Thank you for all your help. As all seems to be working well I think it's safe for you to close it down (keeping all fingers crossed🤞🤞)

Re: No hot water symbols

LarisaL — Wed, 27 Sep 2023 10:23:48 GMT

Understood. In this case, if you have any new issues, updates or just a discussion topic, feel free to start a new thread in the community. Thanks, Larisa.