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Last seen: Aug 24, 2026
Hello Majordennis. Yes, so right - I missed the minus sign and now I know what that means. Have you any other thoughts on the choice of option to give...
@rhh2348 It is not really practical as pump room is on different floor level to main living room and in any case I am operating on weather compensatio...
Thanks rhh2348 The FTC 5 is in the front panel of the Ecodan which is mounted on the wall of the pump room. That is at ambient temperature, currentl...
"Pumps" - plural. Could you give an idea of which Mitsu unit you have, because I have only one built in pump in the Ecodan unit and a second one in th...
If you have made your decision to change, then there is not much more that we can offer, but I feel certain it would be of interest to our contributor...
If you have made your decision to change, then there is not much more that we can offer, but I feel certain it would be of interest to our contributor...
Welcome, ecodan- prisonar. You raise so many points that I don't think I can attempt to answer all in one post, but I hope that answers will unfold fr...
@johnmo Thanks for the correction and it sounds promising. I have no idea what head loss I am working at and don't know what the flow rate is, so woul...
@johnmo I have checked the connection of the secondary pump and it is on "Out 2" which is designated for "Pump 2 - Zone 1". Strangely "Out 1" designat...
@jamespa I was almost using your piece above as my script to explain what I wanted to do. I had even done a translation into Portuguese, but I had no ...
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Degrees of Separation
Latest Posts
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Floor plan of ground floor enclosed; Apologies for the ...
By GutoFfowc , 8 minutes ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 55 minutes ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
I think this calculation goes the other way. 3.54kW ga...
By JamesPa , 1 hour ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 17 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 17 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 18 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 1 day ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 4 days ago
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