Forums

Forums
Members
davidnolan22
Activity
 
Notifications
Clear all
davidnolan22
@davidnolan22
Member
Estimable Member
Joined: Jan 15, 2025
Last seen: Oct 16, 2025
Profile Activity
Topics: 0 / Replies: 109
AllTopicsReplies
Reply
RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 Hi, this is all tricky. One thing I wold say is to give the house time. When running the heating very low and slow, it can take...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@gary yeah, more than that. about 1000-1200w, ive never really seen it go below that. and that's with the compressor bumbling around 30hz,

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@gary 11.2kw for 260m2 house. its tight on the heat loss at the cold end, but in mild and a bit cold weather, works well

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@gary i can see a blending valve on the manifold though. Whats that set too? and here is my floor ticking over at 27ish degrees

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 you've got a 14kw in a 130m2 well insulated house. I think you might be oversized there too. I've an 11.2 KW heat pump in 260m2 average ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@sunandair This is about as good as I can do

7 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@sunandair sure, happy to make a sketch. I think I have done one somewhere but I’ll try to do a prettier one. I think my system is working generall...

7 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@sunandair my graphs look similar on my ecodan. And when you make it 2 defrost and hour...... you can see how they struggle

7 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@jamespa Hi James, on this topic: you've given good advice to me in the past and I'm working through things with my heat pump set up with th...

7 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

@jamespa thanks again. It makes sense. Before the new bigger LLH, I had a 35mm piped distribution header. There was no blending there, only when I put...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

Hi Gary, Yes, I think I’m getting the hang of it and whats gone on this winter. And yes, during the cold snap previously there was not enough en...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

That’s a really thoughtful reply. Thank you. It’s a great help. lots to ponder. My view has been consistently that i don’t need much more than 35 t...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 7 / 10
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 →