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DavidAlgarve
@davidalgarve
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Reputable Member
Joined: Dec 1, 2023
Last seen: Jul 15, 2026
Topics: 43 / Replies: 205
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RE: Replacing Refrigerant on Mitsubishi Heat Pump

@ashp-bobba Thanks again and I do now see a way forward, but I have to think of a way of putting this to the contractor which doesn't give the impress...

12 months ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump

@ashp-bobba Thanks for the updated comments. I certainly had the impression that the engineer was seeking something like flicking a dipswitch before p...

12 months ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump

@ashp-bobba I am most grateful to you and I am so pleased that you were able to summarise it and also come up with a simple alternative. When the co...

12 months ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump

@ashp-bobba Thanks for your input. I stress that this contractor covers all manner of heating and cooling matters and I have more confidence in him th...

12 months ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump

@karl-r This is a local air conditioning installer, i.e. local to me in the Algarve, Portugal. The pipework will be a similar length to the existing i...

12 months ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump

@jamespa Mitsubishi aircon is fairly common here in the Algarve although Daikin leads and LG probably second. I suspect that Mitsu are more popular in...

12 months ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump

@jamespa The pipework was badly installed and even worse "insulated" by burying it. The rudimentary insulation has all but disappeared over the 3 year...

12 months ago
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Replies: 2
Views: 1030
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RE: are there internal electric heaters ?

Interesting because when my Mitsu is not running I recall typically Phase A shows zero; Phase B 11.2W & Phase C shows 107.44W. I thought it was t...

1 year ago
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RE: Solar for heating DHW

@robs I have "Eco" already, but it was suggested that I should use Quiet in addition. Eco certainly reduced the power significantly, but nowhere near ...

1 year ago
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