HPM VIVO Time Delay Wall Switch $79 Delivered @ Eeet5p via eBay

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• 

  Jessie Ryder on 30/12/2020 - 08:12

  Can this be used for solar hot water booster

  • 

    BK12 on 30/12/2020 - 08:41

    +3

    I think this would be much better for solar booster, you have added convenience of turning it on from anywhere along with adding automation to turn on , eg. Say if temperature is below X turn on at X time

    https://www.bunnings.com.au/deta-grid-connect-smart-single-g…

    • 

      Pureishq on 30/12/2020 - 09:17

      -1

      Any ideas on a suitable way to feed out the temperature for your described setup?

      • 

        BK12 on 30/12/2020 - 11:10

        I am not 100% sure, it's just a switch why would it omit heat?

        • 

          Public21 on 30/12/2020 - 15:29

          @BK12: I think @Pureishq wants to know how you would get the temp reading from the hot water system to achieve what you have suggested.

          I haven’t found a cost-effective way of doing this on a normal home system that uses a “dumb” thermostat.

          • 

            BK12 on 30/12/2020 - 16:28

            @Public21: I meant to say temperature outside not the actual water temperature , so grid connect app has really good automation, I set my outside downlights to turn on when sunsets and turn off after 3hours on sunset.

            I think for booster we can do like temperature outside is x or when weather forecast is rain then turn on at 5am so water is nice and hot for morning shower incase solar hot water system cannot heat water . If water is already hot it won't do anything so no waste of energy

  • 

    Public21 on 30/12/2020 - 15:41

    Short answer is yes it could, as long as your hot water system isn’t drawing more than 10amps (2400 watts @ 240v)…. but confirm with your electrician. Note that there are conflicting claims - one part says it is 10amp, while in the description it says 16amps. I’d believe the former.

    I have a Clipsal Iconic Bluetooth switch/timer set to come on for a while every afternoon. If the system is at maximum temp, it will switch on but the thermostat won’t trigger. I also have the temporary timer on the switch set to an hour, so we can just give the water a hit without having to remember to turn it off.

    This doesn’t require mucking around with Bluetooth setups.

    BTW - love the reviews on the e-Bay page, talking about putting it up your nose and the blades not sharp.

    • 

      Jessie Ryder on 30/12/2020 - 23:12

      Pretty sure my element is 3600w, guessing this is no go then

• 

  john_conner on 30/12/2020 - 09:10

  Hi all,
  Is the 20 hour reserve only in the event of a power outage?

  Looking to get this to auto run fan in bathroom for ventilation on a schedule…

  • 

    WesthamAreMassive on 30/12/2020 - 09:11

    Yes as 20 hours backup battery.

• 

  MagnamoniousRex on 30/12/2020 - 09:32

  Can you use this to delay a switch going off?

  IE. The bathroom fan staying on for 2 minutes after the switch is turned off to make sure all the steam is vented.

  • 

    SirNed on 30/12/2020 - 10:17

    +2

    For this we had a timer built into the switch to have the fan stay on for a period of time after switch turned off. Will see if I can find what we used

    Something like this

    https://www.electricalproducts.com.au/brands/1-25min-adjusta…

    • 

      MagnamoniousRex on 01/01/2021 - 08:53

      -1

      Cheers mate!

    • 

      Yan47 on 03/01/2021 - 19:07

      Thanks for this. Good to know for future clients