Forums

Forums
Members
SUNandAIR
Activity
 
Notifications
Clear all
SUNandAIR
SUNandAIR
@sunandair
Member
Noble Member
Joined: Dec 30, 2022
Last seen: Nov 2, 2025
Profile Activity
Topics: 5 / Replies: 499
AllTopicsReplies
Reply
RE: How to set the warm end of the weather compensation curve when it's not warm

On reading about your large windows and solar gain - there is usually other times of the day or on exceptionally cold day when large windows - even tr...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

Thanks for info @william1066 and @kev-m interesting article. Also flow volume for our Ecodan 8.5 are easily met. Rad volumes = 111 litres 28mm ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

HI Mike Can you point me in the direction of the article you refer to above. Also - when removing a LLH, is there a way of calculating the require...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

Just to recap and summarise on earlier posts: We had seen a small loss of temperature across the Flow Pipes as the water passed through the Low Loss...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

yes. Quote right, accuracy and 1c increments could lead to a skewed interpretation especially when we are only looking at 1or 2c variations. ive tri...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

Thanks for your comments Ian, it’s very much appreciated. Half the battle has been understanding and using the correct terms and acronyms, and realis...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

not sure of the “where” bit of your question - the DT I mean is the temperature differential between Primary Flow and Primary Return. These temperatur...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

Hi @derek-m The temperature difference of 1.5c is between Primary flow thermistor and Secondary flow thermistor. See sketch for positions and approx d...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

@derek-m hi sorry I’ve spent one hour writing a reply to you and when I sent it it was lost without a trace. I can’t face re writing it again

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

Early test results showing opposite is happening in our system. I’ve opened up the primary pump valve until flow rate went up to 15 LPM (was 13) an...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low Loss Header is losing 1.5c from flow temperature

Thanks @derek-m I will check the pump speeds. I recall the primary pump was adjusted to flow at 12 LPM but the secondary pump was left operating sligh...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Low Loss Header is losing 1.5c from flow temperature
3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 41
Views: 9489
Page 34 / 42
Share:

Join Us!

Podcast Picks

Latest Posts

Click to access the login or register cheese
x Powerful Protection for WordPress, from Shield Security
This Site Is Protected By
ShieldPRO →