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Last seen: May 16, 2026
@petch all good news I think and suggests that a straightforward installation should be possible. Just make sure you consider follow the advice above...
Do that anyway, the main system controller that you use day to day should in almost all cases be the heat pumps own controller and almost never third ...
@editor has said a lot but let me address this one head on and specifically explain the disparity. Heat pump manufacturers typically specify a minimu...
@davec At a wild guess a low external temperature in order to flatter it! If they were proud of the figure they would bother to tell you the inf...
Im assuming from your original post that hysterisis refers to the DHW and you want it to reheat immediately the water temperature falls below some par...
You are absolutely correct that the capacity table MUST be consulted. Heat pumps vary in how much, and in which direction, they depart from the 'stic...
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Latest Posts
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RE: Setback savings - fact or fiction?
@jamespa — thanks. No rush, I posted a bit too hastily ...
By cathodeRay , 9 minutes ago
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RE: My Grant R290 9kW Heat Pump Installation
I am following this thread with great interest and than...
By TaffontheTaff , 1 hour ago
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Hi, @david999. I have a Growatt inverter too, so I have...
By Majordennisbloodnok , 3 hours ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with a website. But you ca...
By JamesPa , 16 hours ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 18 hours ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 21 hours ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 22 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
By Batpred , 22 hours ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 23 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 1 day ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 1 day ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 2 days ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 2 days ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 2 days ago



