Forums

Forums
Members
HarriUp
Activity
 
Notifications
Clear all
HarriUp
@harriup
Member
Reputable Member
Joined: Nov 25, 2021
Last seen: Jun 28, 2025
Profile Activity
Topics: 1 / Replies: 107
AllTopicsReplies
Reply
RE: Mitsubishi Ecodan ASHP general set-up and efficiency

Have you checked the pump speed in the settings menu for the HW cycle? And maybe check the flow rate while the HW cycle is running. The defrost cycle ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Can you work an ASHP too hard?

@simonwhiteley Have you come across this in your travels? It seems relevant to your situation.

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Can you work an ASHP too hard?

The real world is the variation of people's houses – if you have looked at heatpumpmoitor.org you'll have seen how different the usage patterns are. T...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Can you work an ASHP too hard?

My understanding, albeit slight, of heat pumps in scandinavian countries is that they use booster heaters when the temperature gets really low. So the...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan ASHP general set-up and efficiency

Is this a pump issue? What jumps out at me on the chart at the the time of the defrost cycle is that the return drops dramatically first, and pulls th...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: hum/whine from Wilo circulation pump

Although the primary pump installed on my EcoDan is not the same make as yours I had a similar issue - mostly solved by reducing the flow rate. The hi...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: non-Mitsubishi owners - how much control do you have over your ASHP "freeze stat" function?

I wonder if this related to the Holiday setting in the controller menu which sets a room temperature below which the heating will come on with a modes...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Hot water temperatures

The hot water is taken from the top of the tank, to be replaced by cold water at the bottom of the tank with a minimising of disturbance. (I am presum...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan ASHP general set-up and efficiency

I wouldn't place efficiency at the top of the list – you have to get to an understanding of how your house works themally and how the heating system w...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ECODAN ASHP General Set-up and efficiency.

Using Auto Adapt/Room Temperature mode, where the FTC decides on operational temperatures and running periods, requires an internal temperature measur...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan ASHP - How to optimise my set up?

It will affect system performance as those are the main temperatures the controller will use to switch the outside unit on and off – definitely a case...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ECODAN ASHP General Set-up and efficiency.

Going back to your -39 issue, this a glitch in the software running on the FTC, which is slightly surprising given that yours is a new installation, b...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Page 2 / 9
Share:

Join Us!

Worth Watching

Latest Posts

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