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F1p
@f1p
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Joined: Oct 27, 2025
Last seen: May 25, 2026
Profile Activity
Topics: 1 / Replies: 113
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RE: Ecodan Pump Issues… Circulation pump turns off when heat pump compressor turns off

@patch321 You are going to have a bit of a fight on your hands I'm afraid if you are oversized and particularly in warm weather. the Ecodan logic...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Pump Issues… Circulation pump turns off when heat pump compressor turns off

@patch321 1. Why do the circulation pumps turn off soon after the compressor stops? In compensation curve or fixed flow, the result of a flo...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice for a novice on Mitsubishi Ecodan 6kW

Frost Protect/Freeze Stat is an operation mode, where Defrost is a multi-stage status flag (however i only see two used).In the firmware i inject defr...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Advice for a novice on Mitsubishi Ecodan 6kW

@sheriff-fatman It appears Output Power = 0kW because there was a DeltaT of 0Which doesn't appear correct because it was 4C according to the data.L...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Melpump Users Anywhere?

A sneak preview of the onboard compensation curve designer that is going to be built into MELPump for use only with the adapter.Still tweaking the des...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?

I have done some investigation into this previously, I have 3 data sources - Tesla measurements (instantanious), Tesla App History and also some high ...

5 months ago
Forum
Energy Storage
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RE: Mitsubishi Ecodan R290 10kW performance

  It's generation dependent, the latest FTC7 (touchscreen) have the ability to modulate PWM based on OAT.  

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan Auto Adaption trial to stop cycling.

The interval you talk of, i think, will be 60min for any thermostat changes to take effect - which might not be exactly what you want.E.g. you turn th...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Configuring third party dongle for Ecodan local control

However, I've found the documentation doesn't work exactly as laid out and I needed to make a tweak. Please let me know what this was so I can upd...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Configuring third party dongle for Ecodan local control

Appreciate the great write up @majordennisbloodnok and i'm glad the documentation was clear enough that you got it all working! 😊   ...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Configuring third party dongle for Ecodan local control

  @sheriff-fatman might be interested in this, following his post here So far, albeit, based on only around a week of usage, the big surpri...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Melpump Users Anywhere?

I thought this might be the most appropriate place to reply to the post by @sheriff-fatman here For the last couple of weeks I've had access to ex...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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