Renewable Heating Hub Heat Pump Forums

Search with Wattson
Forums
Members
greekgoddj
Activity
 
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!

greekgoddj
@greekgoddj
Member
Eminent Member
Joined: Dec 5, 2021
Last seen: Aug 26, 2026
Profile Activity
Topics: 5 / Replies: 15
AllTopicsReplies
Reply
RE: Flow temperature up and down like a yo-yo

@derek-m No update yet... Still (2 weeks now) waiting for Mitsubishi to send the replacement circulation pump first. Will for sure update this thread ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Flow temperature up and down like a yo-yo

@glpinxit yup, that is more of less like what mine looked like last year.. so clearly something has gone wrong at the moment. I am very much looking t...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Flushing an ASHP system (and UFH) questions
3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 1
Views: 3729
Reply
RE: Flow temperature up and down like a yo-yo

@sunandair Yup, I wait for the new pump.. then see if that helps the flow rate. If not then a clean of the system. By that point the flow rate should ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Flow temperature up and down like a yo-yo

@derek-m Outside temperature was 0 🙂 thermostats inside were already 1-2 degrees higher than normal to rule out the system not calling for heat in th...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Flow temperature up and down like a yo-yo

43C @ 0C to 25C @ 12C. Flow rate is 16l/min (it should be 20-32l/min, waiting for new pump) LWT and RWT, are those not the same values showed in t...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Flow temperature up and down like a yo-yo

Hi, it is in weather compensation. Water heater is not turned on, so it isn’t the cause of the interruption. I have also checked that it isn’t defrost...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Flow temperature up and down like a yo-yo
3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 15
Views: 6227
Reply
RE: GSHP in 11 year old house

Hi…. are you turning the system on/off or adjusting the room target temperature daily? If so, then yes that will be inefficient. The main benefit of t...

4 years ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: 2 x Mitsubishi Zubadan 14kW ASHPs in 400sqm house

Hi @alanb The clamps go around the live electric feed in your fuse box that feeds the ASHP. I used this video as a guide Obviously take great...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 2 x Mitsubishi Zubadan 14kW ASHPs in 400sqm house

My suggestion is to fit aShelly EM unit on your system as I have done and you can see exactly what is used by what. I have one clamp measuring the ent...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Significance of delta betweeen flow and return temperature

@derek-m Thanks!

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 1 / 2
Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

Members Online

Click to access the login or register cheese
Protected By
Shield Security PRO