Last seen: Jun 28, 2025
The manual is quite explicit that it is set for the flow meter supplied ... and the Sika sensor says it only measures up to 80l/min - but if you look ...
I have a meter on the dedicated HP circuit, so I know exactly what the HP is consuming. It is that that enables me to make the comparison with values ...
As it is possible for the FTC to be powered from a separate circuit, should this be the case none of its power draw, including the pumps, will be meas...
I think Occam should get his razor out on this one. The simplest explanation is that the Mitsubishi is not capable of accurately measuring the electri...
@jeh in relation to your house I can see why you suggest 13000kWh is a lot, but it is around the average heat requirement for the UK, and the avera...
An annual gas use figure of 13000kWh, as long as you are close to keeping the entire property at 20° for most of the time, would suggest a 5kW ASHP wo...
All heat pumps will hit the point where their minimum output exceeds the heat being taken out by the heating circuit, not oversizing too much means th...
The output of radiators running at 35° is around half that at 45° – so your radiators would have to be twice the size! And you can't really drop the f...
I posted on another thread which may of some relevance - – I had a similar gas use figure and a similar heat loss figure which with the data from the ...
@mattc The heat loss was done for a temperature of -2.5°C and produced a figure of 7.31kWh for heat loss. That would work out at 175kWh for a day a...
You would think/hope that energy used in heating a building would be an ideal benchmark to build a system round, but unfortunately it doesn’t seem to ...
@hcas - exactly so. I did read one other persons similar experience but the overshoot was lower if I recall correctly. I can only make this comparison...
Latest Posts
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RE: Commencing on an ASHP Installation Process
That outside pipework would concern me. Surely rigid se...
By benson , 6 hours ago
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As I have reported elsewhere we turned on the cooling o...
By downfield , 9 hours ago
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RE: Adding battery storage to SolarEdge PV system
Sadly I fear that they may well be right to do so. ...
By JamesPa , 11 hours ago
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@el3b Hi, sorry to hear that, it is advisable to instal...
By ASHP-BOBBA , 1 day ago
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RE: Difficult positioning of air source heat pump
@rikiarn Out of intrigue, the thread reads as though Ai...
By Sheriff Fatman , 1 day ago
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RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop
@m1kegibson If you are able to access the service me...
By HarriUp , 2 days ago
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RE: When will heat pumps and install prices come down?
... which of course is impossible because the world mov...
By JamesPa , 2 days ago
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RE: Surface mount or bury primaries for heat pump installation?
What you run the cable through will affect its current ...
By Transparent , 2 days ago
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My advice is reject unless they will delete the buffer ...
By JamesPa , 2 days ago
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RE: Battery storage to run Heat Pump.
I would be surprised if the battery chemistry is going ...
By Transparent , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@dowallydrifter OK. I would recommend you read t...
By JamesPa , 3 days ago
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RE: Solar to power Heat Pump for DHW
Wow, how big is your heat pump that it is pulling 6kW d...
By Old_Scientist , 3 days ago
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There are DHW tanks with a built in heat pump that take...
By JamesPa , 4 days ago
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RE: Vaillant AroTherm Plus 7kW
If the thermostat is connected to the call for heat ter...
By JamesPa , 4 days ago
