Last seen: Apr 23, 2025
Is that 7KW input or output. If 7KW input that's way oversized. I have attached an image of the name plate on the heat pump, for confirmation. I ha...
Thank you for the clarification on how the de-ice cycle works. Regarding the question on flow rates across the heat exchanger. I have this split sy...
I have been making some adjustments to the heating and would like to clarify a point. If you are having short cycling issues, is it best to slow the...
@jamespa Thank you for the reply. That clarifies things. I hadn't read the starters guide, but will do now. It's a 2 port buffer. When zero or b...
Thank you, that helped in my understanding. I believe this Hitachi split system takes water from the buffer tank/underfloor to defrost the evaporator...
The trouble is that I do not know enough about how heatpumps work at the moment, to offer any reply to this.
Thats a lot of data!
Thank you for the info. If I am reading it right, it only quotes the output power. From the data can you work out the min input power?
Hitachi Yutaki SCombi Heat Pump(Indoor Unit ) RWD-3.0RW1E-220S-K(Outdoor Unit) RAS-3WHVRP1 2024 build bungalow200m2High level of insulationUnderfloo...
@robs On the 5. 10kW Viessmann Vitocal in Sheffield. What is causing the heat pump to turn off and on every hour (approx). It it a room thermostat o...
Latest Posts
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Your understanding of having to wire those valves back ...
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I should probably add to my comments above that, whilst...
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RE: Commencing on an ASHP Installation Process
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RE: The Great British Heat Pump Quiz
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RE: Installing your own ASHP - DIY
Hi @tomasmcguinness, how are you progressing with this?...
By Ashfp , 2 days ago
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RE: Say hello and introduce yourself
Welcome to the forum. If you are new to ASHPs I sug...
By JamesPa , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
@editor guess the reason im asking is cause ive looked ...
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This is where the cold water storage tank was situated;...
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That’s interesting, but obviously concerning also…. Do ...
By SUNandAIR , 4 days ago
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RE: In the middle of an ASHP installation - a few questions (and issues)
Thank you @robs - that very useful data. The issue wa...
By Transparent , 4 days ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
@trebor12345 The Auto function is supposed to adapt au...
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RE: help sizing rads based on room by room heat loss
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RE: Career change – entering the world of heating and heat pumps
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@editor thanks Mars, it's a rare occasion I'm looking f...
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RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW
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Win one of five "Heat Pumps 101" Courses
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