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Ecodan Holiday mode

 
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Air Source Heat Pumps (ASHPs)
Last Post by mjr 4 years ago
16 Posts
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 6 years ago
Posts: 704
25/03/2023 9:12 am  

@mjr mine seems to have shut down as planned at midnight although the flow and return temp’s appear to be 20c. I was hoping the system would shut down but clearly that isn’t the case and it maintains a steady temp’.

8BEC9015 865B 47F0 860B C617D0DEAC96
49ED3F9F 5C99 49C3 B3C2 1AECD8DEFFF8

Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.

2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.


   
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 TRBob
(@trbob)
Trusted Member Member
Joined: 4 years ago
Posts: 61
Topic starter 25/03/2023 4:44 pm  

Is there any point in using Holiday Mode unless there are sustained sub zero temperatures? I just turned the system off in the end after the DHW doing whatever it felt like. The house got down to 13.5 degrees over the 5 days we were away, the day we came back I turned it on at 10am and it was back up to normal temp by the time we got back late afternoon. I suppose if you had no data connection or just wanted to not worry about it then HM is an option, but the DHW factor is annoying.


Mitsubishi Ecodan 8.5kW
4.4kW Solar PV
5.2 kWh Battery Storage
1983 build, 300mm loft insulation, cavity wall insulation (beads)


   
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 6 years ago
Posts: 704
25/03/2023 6:56 pm  

@trbob my reasoning is, if I forget, it will automatically start up on pre holiday mode settings ten hours, or whatever, prior to my return.  I’m old, forgetful and possibly returning home in the early hours.  That said I get where you’re coming from.


Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.

2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.


   
ReplyQuote
 mjr
(@mjr)
Reputable Member Member
Joined: 5 years ago
Posts: 303
25/03/2023 9:42 pm  

@trbob I've never had the DHW heat up during a holiday set on the FTC. Were you using the FTC or melcloud for DHW settings?



   
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