Search with Wattson

Notifications

Clear all

Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!

6kW Viessmann Heat Pump Installation – Video

Air Source Heat Pumps (ASHPs)

Last Post by Mars 3 years ago

5 Posts

3 Users

1 Reactions

3,027 Views

RSS

Mars

(@editor)

Illustrious Member Admin

Joined: 6 years ago

Posts: 4911

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 😀

🔥 Britain’s Heat Pump Shitshow
How Installing a Heating System Became a National Nervous Breakdown
Free UK shipping.
📗 Heat Pumps Explained
A Jargon-Free Guide for Homeowners
Rewritten and updated for 2027
📘 From Zero to Heat Pump Hero
🛠️ Bodge Buster
New to heat pumps?
Take the Heat Pump Fundamentals course and use INTRO50 at checkout for 50% off.

Quote

Damon Blakemore

(@damon)

Eminent Member Member Professional+

Joined: 3 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

👍

ReplyQuote

Mars

(@editor)

Illustrious Member Admin

Joined: 6 years ago

Posts: 4911

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.