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JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Jun 30, 2025
Topics: 16 / Replies: 2583
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RE: Mitsubishi cycling while on chilled water output

Overshoot due to small system volume, with a control loop that assumes a larger volume? Just a guess. I think Mitsubishis cooling capacity tables ...

5 hours ago
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RE: Commencing on an ASHP Installation Process

I'm fairness to Havenwise the logic of dhw heating is tricky. Many people including me have their dhw deliberately set to reheat once per day only....

6 hours ago
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RE: Mitsubishi cycling while on chilled water output

Yes, but hopefully only for a few days of the year. If you wanted cooling more frequently I would be concerned about the effect of the cycling on com...

13 hours ago
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RE: Mitsubishi cycling while on chilled water output

I think that explains it. Unless you can somehow increase load or system volume I think you are stuck with the cycling, unless of course others can s...

1 day ago
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RE: Mitsubishi cycling while on chilled water output

Sorry to start with the obvious but are the radiators getting cold and are the fans on. Heat pumps cycle when cooling for the same reason as they cy...

1 day ago
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RE: Say hello and introduce yourself

Yes please do Suggesting a loss in the region of 9kW. Very rough and ready but not 21kW.

1 day ago
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RE: Say hello and introduce yourself

Welcome You have already done the most important thing which is to read up about it and join this forum. You may be past this point but there is a ...

2 days ago
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