Last seen: Jan 29, 2025
it’s very difficult to measure the charge, it is weighed in when filled at the factory. And there aren’t anywhere near enough f gas qualified technici...
@heacol is the man…. But he’s very busy.
Agreed, going direct would bring a benefit on efficiency. Can the ecodan drive a pwm primary pump? I haven’t checked the wiring diagrams .
Cycling looks fine to me, not too short. It’s bubbling along at 6.5kW ish, all night. Heat loss is very good for something that’s 400 square meters. W...
Ok, so the primary pump is not pwm controlled so the heat pump isn’t able to modulate it’s flow. Not the end of the world but certainly not the most e...
How many cables go to this pump? It will either be one, or two. With the ecodan controller located in the airing cupboard, your system is installed ...
Is the controller in the hallway or in the cylinder cupboard? and I’m asking for photos so I can map out the plumbing layout…. It saves me asking yo...
Please provide some photos of these items so we can identify versions etc…. please also photograph the unvented cylinder and associated pipework
OK, so you are paying 34p/kWh - good... Then my above maths adds up. We just need to get these settings tweaked so that the weather compensation is ...
Please give us more details, are you currently on a TOU tariff? If you’re paying 48p/kWh then that would suggest so. In which case there are some op...
@parmstar tell your supplier you’re struggling to pay, they’ll put you onto prepayment and you’ll automatically end up on the backstop rate. Easy way ...
It’s a grant, it will be badly installed, in an inefficient manner. The Chofu unit that Grant re-badge is decent and is made in Japan, Grant just choo...
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Latest Posts
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Perhaps in fairness, I should add that sometimes, the a...
By Toodles , 57 minutes ago
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RE: DHW temp Samsung AE120RXYDEG 12kw ASHP with Gen 6 controller
My temp sensor is housed in a small (10mm maybe) dia po...
By Lenny , 1 hour ago
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Was speaking to my builder this morning and he was sayi...
By AdamK , 2 hours ago
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Grant Aerona fine tuning advice needed
Looking to fine tune my settings. Currently running ab...
By Stopbar , 14 hours ago
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RE: Who's your electricity provider and what's your tariff?
@adrian it does look like they’ve updated their outgoin...
By Arundalep , 15 hours ago
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If you think your heat loss is between 4.5 and 8.5, the...
By JamesPa , 17 hours ago
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RE: Heat Pump Sizing & Installation Costs
1970s 4-bed detached house approx 168 sq.m internal are...
By JohnR , 22 hours ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
Away at present. Hence the delay. Will get back asap. ...
By cliffhanger , 1 day ago
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RE: Setback savings - fact or fiction?
The lower the DT the higher the flow rate. The lower ...
By BobTSkutter , 2 days ago
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RE: New kitchen with no walls – will fan coil units work?
Thanks. That explains the strangely-shaped 'feet' (loo...
By IanMK13 , 2 days ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
I’ve updated Bodge Buster for 2025 to empower homeowner...
By Mars , 2 days ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Aira, the Swedish, end to end manufacturer, system desi...
By KevinPotts , 2 days ago
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Unfortunately for your argument the best performing Dai...
By RobS , 3 days ago
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RE: Grant ASHP not reaching target temperatures
@mikefl Thank you. I’m not sure how to do these checks ...
By Hillswick , 3 days ago
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RE: Transforming a Derbyshire Property into an Energy-Efficient Haven
@carpenterstation That's helpful, thank you. The de...
By Morgan , 3 days ago
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RE: What is the best strategy for operating a very oversized heat pump?
@jamespa Homely does address many of these issues, but ...
By Arundalep , 3 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
There is absolutely nothing wrong with buffer tanks in ...
By JamesPa , 3 days ago
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RE: Replacing knackered oil boiler with ASHP - Perthshire
@abernyte thanks tbh I was more thinking about bolsteri...
By DowallyDrifter , 3 days ago
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RE: Battery storage to run Heat Pump.
@jeff The government are quite happy for the network ...
By Lucia , 4 days ago
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RE: Adjusting 6kW Daikin's Weather Compensation Curve
@jamespa I'm grateful for your advice.
By Ubert767 , 4 days ago
Latest Topics
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By AdamK 2 hours ago
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Grant Aerona fine tuning advice needed
By Stopbar 14 hours ago
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Adjusting 6kW Daikin's Weather Compensation Curve
By Ubert767 4 days ago
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Should I make my radiators smaller?
By Scalextrix 5 days ago
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Daikin Heat Pump Cycling Frequency?
By Ubert767 6 days ago
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Battery storage to run Heat Pump.
By Broadsman 6 days ago