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SUNandAIR
SUNandAIR
@sunandair
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Noble Member
Joined: Dec 30, 2022
Last seen: Jul 23, 2025
Profile Activity
Topics: 5 / Replies: 496
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RE: Ecodan Long Cycling and AA behaviour in one day.

Towards the evening the rapidly dropping outside temperature appears to make the system react and over shoot the target temperature by one degree.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan Long Cycling and AA behaviour in one day.

To be sent Later

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan Long Cycling and AA behaviour in one day.

Out of sequence

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Ecodan Long Cycling and AA behaviour in one day.
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 81
Views: 9936
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RE: Ecodan cycling

Hi… Sorry I was out last night and missed your post. Thanks for confirming you have a rad output of 12000 watts. My calculation method appears to w...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan cycling

Thanks for your reply... it’s a good sign you’re getting a COP of 4 and operating an open loop system. So my first sentence asked what is the rated o...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan cycling

Whats the dt50 value of all your radiators? Also, when you observed the cycling how much of your rad system where closed eg. Thermostatic controlled? ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Freeze Stat/Defrost setting….Ecodan in freezing conditions

@walkers-heatpump agree. From a practical point of view your comments make sense…. I guess the key is to check the outside pipes are fully insulated r...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Low flow rate on Samsung Gen6 12KW heat pump

Thanks Derek. Lots of variables to consider. And another reason to try to get the right size heat pump and right size emitter set. Is it also time to ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Low flow rate on Samsung Gen6 12KW heat pump

Hi Ian, I think you’re mistaking me for the OP...😉 But you’re right the tables produced seem to suit boiler installations rather than the lower fl...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Freeze Stat/Defrost setting….Ecodan in freezing conditions

Hi @Linz We have anti freeze valves on our pipes outside. These are usually factory set to bleed at 3degC. This also means we don’t have glycol in o...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Low flow rate on Samsung Gen6 12KW heat pump

Correction : LWT40 should read DT17.5 eg: LWT40 = DT17.5 : 17kw X 0.255 = 4.3KWh

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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