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How can I programme a setback for my Samsung Gen6 8kW heat pump?

 
Air Source Heat Pumps (ASHPs)
Last Post by iancalderbank 2 months ago
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 EcoBaker
(@ecobaker)
Trusted Member Member
190 kWhs
Joined: 2 months ago
Posts: 25
Topic starter 12/03/2024 10:22 pm  

I've suffered from the problem that seems all too common, an installer fits a system, cranks the flow temp up all the way so your radiators feel "hot", then leaves without any explanation as to how to actually set up and run a heatpump. So i've suffered 12 month of crazy electricity bills.

Long story short, after a lot of research and work Ive got my system running nicely, bar one radiator upgrade I think I need. What I want to do now is programme a setback on my controller, but I can't figure out a way to do that?

Anyone with a current Samsung wired controller and ASHP know how to do this?

This topic was modified 2 months ago 2 times by Mars

   
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ASHP Samsung ASHP Controls samsung
 bontwoody
(@bontwoody)
Prominent Member Contributor
2783 kWhs
Joined: 2 years ago
Posts: 396
13/03/2024 9:45 am  

Hi

Welcome to the forum. I have a Gen 6 too and I have to say I havent seen a way of doing this yet. Here is another thread on it

https://renewableheatinghub.co.uk/forums/renewable-heating-air-source-heap-pumps-ashps/samsung-ashp-scheduling-help

I think it might be possible to do it via modbus or a device such as homely, but TBH I just switch mine off at night.

Mark

House-2 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
5kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60


   
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 iancalderbank
(@iancalderbank)
Noble Member Contributor
3640 kWhs
Joined: 2 years ago
Posts: 644
13/03/2024 10:37 am  

if you are using the samsung controller as the roomstat, and by setback you mean that  you want to alter the target room temperature at a specific time of day, you need to go into WEEKLY schedules.  In there you can set schedules that happen at specific times on specific days that change the target room temperature. 

Using this I run mine at 21 all day from 0400, 21.5 in the evening, 20.5 overnight 2300-0400 (which is effectively off, unless its very cold out).

this is really badly / not at all documented in the samsung manuals.

this won't change your water temperature , samsung doesn't do load compensation, so it won't "make more effort" to increase the roomT, it'll just stay on longer.

My octopus signup link https://share.octopus.energy/ebony-deer-230
210m2 house, Samsung 16kw Gen6 ASHP Self installed: Single circulation loop , PWM modulating pump.
My public ASHP stats: https://heatpumpmonitor.org/system/view?id=45
11.9kWp of PV
41kWh of Battery storage (3x Powerwall 2)
2x BEVs


   
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 EcoBaker
(@ecobaker)
Trusted Member Member
190 kWhs
Joined: 2 months ago
Posts: 25
Topic starter 13/03/2024 11:09 am  

@bontwoody Thanks Ill check that out. 

 

Not sure how to turn it off automatically, with the controller as there isn't an option in the schedual for this.


   
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 EcoBaker
(@ecobaker)
Trusted Member Member
190 kWhs
Joined: 2 months ago
Posts: 25
Topic starter 13/03/2024 11:21 am  

@iancalderbank Thanks that's helpful Ill give that a try. I don't have a roomstat in the main part of my house, just the controler in a airing cupboard where the control panel is. I have got a Hive connected to the controller but have turned it off as I wanted to use the controller rather than Hive to control the heat pump.

Can I ask another question about the controller, what is the difference between Heat and Auto mode? There is very little documentation provided by Samsung. I have water law set up, so do I need to be in Auto mode for water Law to work or should I be in Heat mode? The Samsung user manual is really poor, it seems to be missing lots of very useful information.


   
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 iancalderbank
(@iancalderbank)
Noble Member Contributor
3640 kWhs
Joined: 2 years ago
Posts: 644
13/03/2024 11:44 am  

@ecobaker if its in the airing cupboard it'll be no use, you need to move it to a living space to use it as the stat. Two wire low voltage so easy to do.

but if your system is in the mode that uses an external stat you will need configuration changes.

Starting point on this route is youtube, find Graham Hendra's heatpumps channel, watch all his samsung setup and install videos. and then watch the other samsung related ones that youtube suggests!

My octopus signup link https://share.octopus.energy/ebony-deer-230
210m2 house, Samsung 16kw Gen6 ASHP Self installed: Single circulation loop , PWM modulating pump.
My public ASHP stats: https://heatpumpmonitor.org/system/view?id=45
11.9kWp of PV
41kWh of Battery storage (3x Powerwall 2)
2x BEVs


   
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