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[Solved] If the supplier won't commission my Heliotherm heat pump what should I do next?

 
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Air Source Heat Pumps (ASHPs)
Last Post by Lido666 1 year ago
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 LongByre
(@longbyre)
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Joined: 2 years ago
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Topic starter 05/07/2023 10:35 am  

@transparent

As far as I am aware of is charged and ready to come to life. 



   
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 MPHB
(@mphb)
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05/07/2023 11:37 am  

Posted by: @longbyre
↑

As far as I am aware of is charged and ready to come to life. 

I just read the German manual and indeed there are no particular actions to perform re the machine. A form needs to be filled out, but that won't stop the machine from working.



   
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 LongByre
(@longbyre)
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Topic starter 05/07/2023 11:41 am  

@mphb

So if I can find a scematic for the terminations in the control panel that would be a good step forwards....

Anyone? 



   
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 Derek M
(@derek-m)
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Joined: 5 years ago
Posts: 4427
05/07/2023 2:00 pm  

@longbyre

Hi Dicky,

So far I have only been able to locate user/operator manuals, which unfortunately do not show any wiring details. I assume that you have removed the covers and looked for obvious connection points.

Based upon my experience of heat pumps from other manufacturers, I would expect some form of communications cable between the controller and the outdoor unit. Both units will obviously require a power supply, and there will also be outputs from the controller to pumps and valves, and possibly an immersion heater via a suitable contactor.

You could try info@heliotherm.com and ask for a list of UK installers.



   
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 Derek M
(@derek-m)
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05/07/2023 2:17 pm  

@longbyre

A close-up photo of the inside of the control box may be useful.



   
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 LongByre
(@longbyre)
Eminent Member Member
Joined: 2 years ago
Posts: 12
Topic starter 05/07/2023 2:35 pm  

@derek-m

The wiring is fine between the various units. See the attached drawing "2018 HELIOTHERM... '. However, there are a bunch of cables to terminate in the control panel... That's the bit I do not have yet 

2018 HELIOTHERM UFH DIAGRAM wiring when using an ecocent - Copy.pdf
Comfort-Compact-HeatPump Heliotherm.pdf
Heliotherm-CC-8KW-Installation Clearances.pdf

 



   
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 LongByre
(@longbyre)
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Topic starter 05/07/2023 2:44 pm  

@derek-m

I will get a better photo tomorrow

IMG 20230705 154336


   
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Transparent
 Transparent
(@transparent)
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Joined: 4 years ago
Posts: 2733
05/07/2023 2:44 pm  

That diagram is a good start @longbyre. We do at least now know that we're expecting

  • mains cables to UFH pump(s) and Heating Controllers
  • 2-core wire from an external temperature sensor
  • 2-core sensor wire (0-10v DC) from the pump between the external unit and the buffer-tank

 

Once we have a photo showing the inside of the main Control Box, I expect we can make some intuitive decisions of what connects where.

There are a number of different 'standards' for such wiring. So we should also be able to tell a lot by simply looking at a cable.


Save energy... recycle electrons!


   
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 Andehh
(@andehh)
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08/07/2023 6:40 pm  

Did you pay for any of it on credit card? Any come back possible there if commissioning was part of it? 



   
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 MPHB
(@mphb)
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Posts: 31
17/07/2023 11:40 am  

I just spoke with them. My mail of two weeks ago had gone lost.... Some kind asks from my side were met with accusations. They did not want to commit to actually responding to my mail.

Reviews of the company by installers are not good. Many installers in DE and AU no longer ordering with them. 

On the wiring diagram, I could not find any in the installation manual.

I hate to say it, but LongByre to me it looks you are on your own now, except some on this forum that will be helping you to get the thing going. Do try to recover your money if possible as suggested by Andehh.


This post was modified 2 years ago by MPHB

   
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 LongByre
(@longbyre)
Eminent Member Member
Joined: 2 years ago
Posts: 12
Topic starter 24/08/2023 11:36 am  

@mphb

Update. 

I found a partner company for Heliotherm, MJS Energy, based in Powys.

They have been magnificent. 

They understood everything. They sent a team to get the installation and commissioning done. They are handling the sign off. 

Once you get a reliable engineer and marry them to the Heliotherm.... Magic. 

The Heliotherm equipment is very good. Quiet and efficient. Controllable and not totally unpleasing to look at. 

Bring on the cold weather

 

Thanks to Ryan, Andrew and the rest of the great team at MJS Energy



   
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Mars
 Mars
(@editor)
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Posts: 3727
03/02/2024 9:58 pm  

@longbyre I just came across your thread and you'd stated bring on the cold weather. Was curious to hear how things have gone this winter. Please give us an update.


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