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Hitachi Yutaki SCombi Heat Pump - Owners

 
Air Source Heat Pumps (ASHPs)
Last Post by trebor12345 2 months ago
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trebor12345
 trebor12345
(@trebor12345)
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Joined: 1 year ago
Posts: 35
Topic starter 05/04/2025 2:09 pm  

Does anyone on this forum own a Hitachi Yutaki SCombi Heat Pump? I need to find others and their experience of the system.

I would also be looking for a user specific forum for this pump, I drew a blank. Anyone know of one?

Hitachi Yutaki SCombi Heat Pump
(Indoor Unit ) RWD-3.0RW1E-220S-K
(Outdoor Unit) RAS-3WHVRP1

2024 build bungalow
Southern england
179 m2
High level of insulation
Underfloor heating
All 12 circuits are fully open all the time
1 thermostat in family room
7KW heat pump
50 litre buffer tank (4 port)
3.6KW solar panels
Energy used by heating 2527 KWh - 7527 KWh (SCOP 3.5 approx)


   
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Mars
 Mars
(@editor)
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Joined: 4 years ago
Posts: 3274
05/04/2025 2:47 pm  

@nick and @muscatblue have these units. Not sure if they're still active on these forums (they were last here in 2021), but because they've been tagged they should receive a message, so let's see if they return to help you.

@trebor12345, what was your question?

 

This post was modified 2 months ago by Mars

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trebor12345
 trebor12345
(@trebor12345)
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Joined: 1 year ago
Posts: 35
Topic starter 05/04/2025 6:37 pm  

@editor I just wanted to know other owners thoughts and experience of this system.  I am having issues with short cycles and getting steady flow temperature.

Hitachi Yutaki SCombi Heat Pump
(Indoor Unit ) RWD-3.0RW1E-220S-K
(Outdoor Unit) RAS-3WHVRP1

2024 build bungalow
Southern england
179 m2
High level of insulation
Underfloor heating
All 12 circuits are fully open all the time
1 thermostat in family room
7KW heat pump
50 litre buffer tank (4 port)
3.6KW solar panels
Energy used by heating 2527 KWh - 7527 KWh (SCOP 3.5 approx)


   
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