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Is this a bad installation and is there something wrong with my Samsung heat pump?

 
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Air Source Heat Pumps (ASHPs)
Last Post by HughF 2 days ago
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 David999
(@david999)
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Topic starter 22/04/2024 2:27 pm  

Heating engineer out today and a number of things wrong. I should get the report tomorrow but the two main items are that the water is flowing around the heat pump in the wrong direction and that the primary pump is wired to run constantly.  The Samsung controller is in a kitchen cupboard and it has a stat in it so it’s confused since another room stat is giving it data it doesn’t understand. The pipework they fitted to the outside

IMG 2615
IMG 2614

is still wrong fairly pathetic effort


   
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Transparent
 Transparent
(@transparent)
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22/04/2024 2:56 pm  

To clarify @david999 - I'm looking back at your previous photos

are the two you've just posted taken with the camera looking in the direction of the red arrow?

image

If so, then that's how they left the external pipes last Tues (16th), after they'd just fitted a 'through the wall' kit.
Is that the case?

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 David999
(@david999)
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Topic starter 22/04/2024 3:02 pm  

@transparent yes


   
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 David999
(@david999)
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Topic starter 22/04/2024 3:06 pm  

All open at the back because wrong size of insulation, looks ok from front though.

IMG 2618
IMG 2617

 


   
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 David999
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Topic starter 22/04/2024 3:08 pm  

Getting to the point where I should report them to the regulator 


   
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 David999
(@david999)
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Topic starter 22/04/2024 3:08 pm  

Left that power cable adrift as well


   
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Mars
 Mars
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22/04/2024 3:51 pm  

Posted by: @david999
↑

Getting to the point where I should report them to the regulator 

I'll be really interested to see how that goes and who you report them to. Please keep us posted on this.

 

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Transparent
 Transparent
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22/04/2024 4:04 pm  

And is that insulation classified for external use?
Ie is it UV resistant?

image

Somewhere it will be marked with product codes, similar to those on the Kaiflex in this photo.

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 David999
(@david999)
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Topic starter 22/04/2024 4:52 pm  

@transparent Pipe is just plain black seems like it’s different material than what goes through the wall. 

It’s pumped wrong at the pump in the loft, at the 3 port valve and at the heat pump outside. The system pump runs continuously and not on demand. 

a fairly shocking example of workmanship and clearly not commissioned. I await their response but kind of lost heart with their incompetence. 


   
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 David999
(@david999)
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Topic starter 01/05/2024 1:59 pm  

Just an update on my install.  They have been back and changed all the parts that my engineer snagged.  We clashed on primary pipework since they have never fitted 35mm pipework to any installation and always use 28mm.  My flow rate is 29 and 30lpm and my pumps at max speed no3. 

I turn my room stat up but my heat pump doesn’t kick in for a bit and I find that the heat pump seems to be blowing less now, before it seemed to be flat out, blow you over. 

samsung has stopped talking to me and prefer to liaise with the installer now so I firstly can’t ask questions which I always copied my installer in on and secondly now need to rely on my installer telling me what samsung tell them is the truth.  Samsung were never given my installers details I kept that back from the engineer so they must have contacted Samsungs and realised it was me.  But disappointed they cut me out of the loop. 

 


   
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 HughF
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02/05/2024 6:24 am  

 

quick-start-guide-samsung-gen-6-kits.pdf

Samsungs are so easy to install, you could fix this yourself if you wanted….

How many pumps do you have? (It will either be one or two, it shouldn’t be more)

the only way the water can flow the wrong way round is if they’ve fitted the primary pump back to front. And then it wouldn’t work because flow sensor….

This post was modified 2 days ago by HughF

Off grid on the isle of purbeck
2.4kW solar, 15kWh Seplos Mason, Outback power systems 3kW inverter/charger, solid fuel heating with air/air for shoulder months, 10 acres of heathland/woods.

My wife’s house: 1946 3 bed end of terrace in Somerset, ASHP with rads + UFH, triple glazed, retrofit IWI in troublesome rooms, small rear extension.


   
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 HughF
(@hughf)
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02/05/2024 6:33 am  

@david999 On the subject of isolation after the battery, class T fused disconnect (two pole) is what is be using…. Not at all expensive.

This post was modified 2 days ago by HughF

Off grid on the isle of purbeck
2.4kW solar, 15kWh Seplos Mason, Outback power systems 3kW inverter/charger, solid fuel heating with air/air for shoulder months, 10 acres of heathland/woods.

My wife’s house: 1946 3 bed end of terrace in Somerset, ASHP with rads + UFH, triple glazed, retrofit IWI in troublesome rooms, small rear extension.


   
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