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6kW Viessmann Heat Pump Installation – Video

 
Air Source Heat Pumps (ASHPs)
Last Post by Mars 2 years ago
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 6 years ago
Posts: 4807
Topic starter 06/04/2024 4:22 pm   [#1474]

Damon Blakemore from Blakemore Plumbing Heating Renewables provides a walkthrough of a 6kW Viessmann Vitocal 150-A heat pump installation, and covers various aspects of the installation. There's a bit of wind at the beginning, but it's a semi-detached property.

I was pretty sure he says that there's an isolation for the buffer. @damon, is there a buffer tank?

 

This video is not sponsored by Evian 😀 


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 Damon Blakemore
(@damon)
Eminent Member Member Professional+
Joined: 2 years ago
Posts: 17
06/04/2024 7:22 pm  

Sorry about the wind and the Evian! 

 

There is a buffer yes but it's got a unique feature. Its a defrost buffer not a buffer we would use for hydraulic separation.

When the Heatpump knows a defrost is coming it moves the 3/4 way valve and loads the 16l buffer to 65ºC, it then uses this water to defrost the buffer, thew whole process tales around 7/8 minutes and removes no heat from the house like normal direct system would. it also does defrosts at a much lower rate of operation compared to a Vaillant for example, where as there `Vaillant was once every 40 mins or so the Viessmann unit was once every 2 hours.

Next time im in front of one ill do a video on the buffer to show what it dsoesn and how it operates, its a really good designed bit of kit.


Professional heat pump installer: Blakemore Renewables


   
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 6 years ago
Posts: 4807
Topic starter 06/04/2024 8:50 pm  

@damon no problem about the wind… it’s a nightmare filming outside. Thanks for the explanation about the buffer - not sure if I’ve heard about a defrost buffer before. Sounds interesting.


New to heat pumps? Take the Heat Pump Fundamentals course and use INTRO50 at checkout for 50% off.
Rewritten and updated for 2027
📘 From Zero to Heat Pump Hero
🛠️ Bodge Buster
🎧 Prefer to listen? Heat Pumps Explained – use AUDIO50 at checkout for 50% off.


   
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Abernyte
 Abernyte
(@abernyte)
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Joined: 4 years ago
Posts: 264
07/04/2024 12:15 pm  

@Mars Suggest you check your email urgently.



   
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 6 years ago
Posts: 4807
Topic starter 07/04/2024 9:09 pm  

@abernyte did you email me? Didn’t receive anything if you did. DM me if you’d prefer.


New to heat pumps? Take the Heat Pump Fundamentals course and use INTRO50 at checkout for 50% off.
Rewritten and updated for 2027
📘 From Zero to Heat Pump Hero
🛠️ Bodge Buster
🎧 Prefer to listen? Heat Pumps Explained – use AUDIO50 at checkout for 50% off.


   
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