Activity
 
Notifications
Clear all
Gary
@gary
Member
Prominent Member
3013 kWhs
Joined: Feb 8, 2023
Last seen: Apr 11, 2025
Topics: 1 / Replies: 335
Reply
RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

[quote data-userid="6617" data-postid="44648" The DHW COP is the worst we've had yet strangely. And there were no big drains on the water yesterday. ...

6 hours ago
Reply
RE: Ecodan - is there actually such a thing as a 'minimum' flow temp to avoid cycling, and why if so?

Yes it’s really there to allow the heat pump to vary the flow temp above the set point if the room temp is significantly below the set point and then ...

3 days ago
Reply
RE: Ecodan - is there actually such a thing as a 'minimum' flow temp to avoid cycling, and why if so?

On an Ecodan the std compensation curve mode only allows the flow temp to drift by 1 or 2C before it shuts off on auto adapt the allowable drift is pr...

3 days ago
Reply
RE: Ecodan - is there actually such a thing as a 'minimum' flow temp to avoid cycling, and why if so?

32C is the lowest my system will go without cycling but at that flow temp the heat input is higher than the heat loss so the thermostat has to cut in ...

3 days ago
Reply
RE: What happens when the outside temperature exceeds the upper WC point?

@robs What controller do you have I think mine is too old to have that, I don't recall ever seeing summer mode in the service menu.

1 week ago
Reply
RE: What happens when the outside temperature exceeds the upper WC point?

Mitsubishi Ecodan just runs the same flow temp when it reaches the limit of the set curve. I am not aware of any way of telling the heat pump not t...

1 week ago
Reply
RE: a question about battery life

I suppose it depends on what battery you get I can only comment on the powerwall I had my first for 5 years before the inverter went and it was at 95%...

1 week ago
Reply
RE: help sizing rads based on room by room heat loss

With a flow of 40C the dT for a 20C room temp is 20 it’s the difference in temp between flow and room. The output of a rad at dT 20 is 0.3 of its out...

2 weeks ago
Reply
RE: Volumisers in Heat Pump Systems: Does Placement Matter?

No not auto adapt running hotter at cheaper times cooler at expensive times. Off is when demand is met on milder days. System won’t run below 32c wi...

3 weeks ago
Reply
RE: Volumisers in Heat Pump Systems: Does Placement Matter?

Yes the examples I gave weren’t when it was at its coldest that week when it didn’t get above zero and dropped to -4 overnight I don’t have data for t...

3 weeks ago
Page 1 / 28
Share:

Join Us!

Trusted Installers

Struggling to find a reliable heat pump installer? A poor installation can lead to inefficiencies and high running costs. We now connect homeowners with top-rated installers who deliver quality work and excellent service.

✅ Verified, trusted & experienced installers
✅ Nationwide coverage expanding
✅ Special offers available

👉 Find your installer now!

Latest Posts

Most Active This Week

# Name kWhs
1 JamesPa 257
2 Mars 148
3 AdamK 118
4 Toodles 103
5 Gary 101
6 trebor12345 100
7 SUNandAIR 90
8 ohdearism 88
9 Transparent 77
10 Sandman1600 73

Members Online

x  Powerful Protection for WordPress, from Shield Security
This Site Is Protected By
Shield Security