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trebor12345
trebor12345
@trebor12345
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Joined: Feb 26, 2024
Last seen: Jul 25, 2025
Topics: 5 / Replies: 31
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's

I done some checking with chatgpt and yes its 7 KW output with an input of approx 2KW, thank you for correcting this. So at 20W/m2 and 200sq/m that'...

3 months ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's

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...

3 months ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's

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...

3 months ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's

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...

3 months ago
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RE: Questions on my Hitachi Yutaki SCombi Heat Pump

@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...

3 months ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's

Thank you, that helped in my understanding. I believe this Hitachi split system takes water from the buffer tank/underfloor to defrost the evaporator...

3 months ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's

The trouble is that I do not know enough about how heatpumps work at the moment, to offer any reply to this.

3 months ago
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RE: Performance of Heat Pumps in Mild Weather

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?

4 months ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?

Hitachi Yutaki SCombi Heat Pump(Indoor Unit ) RWD-3.0RW1E-220S-K(Outdoor Unit) RAS-3WHVRP1 2024 build bungalow200m2High level of insulationUnderfloo...

4 months ago
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