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Derek M
@derek-m
Member
Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Topics: 7 / Replies: 4405
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RE: Ecodan QUHZ - the only ASHP which thrives on high delta-T?

From what I can see looking at the numerous specifications for heat pumps, they would appear to be a reasonably good compromise in many occasions. In ...

3 years ago
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RE: Ecodan QUHZ - the only ASHP which thrives on high delta-T?

I suppose it is the age old problem of installing a heat pump to a heating system that was not designed for a heat pump. Daikin supply a similar syst...

3 years ago
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RE: 12kw Samsung gen 6. Short cycling

@craig1980 Turn both thermostats up to 25C and see if this has any effect on the cycling.

3 years ago
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RE: 12kw Samsung gen 6. Short cycling

@craig1980 What is the temperature setting of the two thermostats, and what is their make and model?

3 years ago
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RE: 12kw Samsung gen 6. Short cycling

@craig1980 Do you only have the one water pump? Is your system still short cycling at the same frequency? One possible problem could be incorrec...

3 years ago
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RE: 12kw Samsung gen 6. Short cycling

@craig1980 Below is an extract from the MIM-E03CN manual, which is the recommended controller for use with your heat pump. Wiring works Connecti...

3 years ago
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RE: 12kw Samsung gen 6. Short cycling

I had a quick look through the Samsung manual, to which HughF posted a link previously, and if my eyes did not deceive me, it clearly stated that the ...

3 years ago
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RE: 12kw Samsung gen 6. Short cycling

It would appear that it is not capable of accepting a PWM input signal.

3 years ago
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RE: 12kw Samsung gen 6. Short cycling

What water pump do you have installed? It may have the capability for PWM control, just not the required cable and settings.

3 years ago
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RE: 12kw Samsung gen 6. Short cycling

I'm actually genuinely shocked that the Samsung monobloc isn't really very monobloc at all, and needs and external pump and flow switch. It makes me f...

3 years ago
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RE: Buffer tank required? Samsung 12kW heat pump

@cathoderay Would you mind providing details of the secondary glazing that you are installing, I think many others may find the information useful.

3 years ago
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