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Gary
@gary
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Prominent Member
Joined: Feb 8, 2023
Last seen: Aug 13, 2025
Profile Activity
Topics: 2 / Replies: 348
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

I have never checked but I assumed all my secondary pumps are running during a defrost as there is only 10M of 28mm pipe in the primary not sure what ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: alternative to Homely - HavenWise. Anyone used it?

@morgan just go to the login to the website hcas has provided, that just gets the data across to them they won't take control until you request it.

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

@clockworks I have never tried to use a wireless controller before so will be interested to find out how it goes. I would hope the dip switch change...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

@harriup I believe these offsets only work in autoadapt mode and not in weather compensation mode which is why I were suggesting @clockworks gets his ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How is water flow controlled in a heat pump system?

@wvtienen1 Yes its controlled by a signal to the pump, if I change the value on the heatpump controller I can hear the pump speed up or slow down and ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How is water flow controlled in a heat pump system?

@wvtienen1 There is a flow meter that measures the flow rate and can be accessed on the heatpump controller, the pump speed/power can be set from th...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

@clockworks The only way to detect defrosts from the data is as you say to see the flow temp drop below the return. You should be getting defrosts wh...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How is water flow controlled in a heat pump system?

The short answer as always is it depends, different models do it differently. Mitsubishi is constant flow rate so as the heat pump modulates down you...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

@clockworks or get your installer back to fix it, the cycling you are getting isn't acceptable, the MCS guideline talks about volumisers to ensure the...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: alternative to Homely - HavenWise. Anyone used it?

@morgan Havenwise uses the data that is fed to Melcloud so it could work for you. I haven't inquired but I would expect you to need to be using the m...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan with FTC7 controller DHW schedule

The hot water mode is the settings on FTC6, I think you are thinking of separate pump speeds for heating and DHW which is only on FTC 7, its in the vi...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan flow rate tweak

@jingle86 Thats in the Ecodan ATW Databook Volume 6.0 /p> No idea what they mean that's why I suggested calling the technical help line they are...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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