
Last seen: Feb 21, 2025
Hi Anca1808, Welcome to the forum. First off, please try not to panic. We just need to do some problem solving. 1. Where are you ...
Hi AndrewJ, There's several design principles which vary from designer to designer. The ones Octopus have designed to are generally considered t...
Hi Carpenterstation, Welcome to the forum. 17kW Heat loss on a 450sqm property is definitely on the lower side, that's a peak heat load of just ov...
Hello, Buffer tanks have several functions which determines whether or not they are necessary in an installation. 1. Hydraulic separation for ...
Hi James, The actual values used for MCS are the room design temperature, the insulative values (u-values) for the property as well as the unique m...
@bontwoody Good spot there, yes you are absolutely right, my apologies OP. dT should stay consistent but min (crucially max) flow temperature shoul...
Hi @chansug, a warm welcome to the forum. A few points if I may on your quotes recieved. 1. The heatlosses are all (relatively similar). You m...
Cycling every 15-30 mins is not ideal for wear and tear on the unit, no, but your efficiency is 'ok' by most standards which is the key impactor of ru...
@jaynieq Hi Jaynieq, All the advice offered by JamesPa is, as per usual, spot on. Unfortunately, ECO4 installations are frequently where we s...
@alfapat Everything as commented above is pretty much spot on- the lower the flow temperature the heat pump is being asked to produce, the better the ...
@abbote Hi there, Well done with all the fault-diagnosing you have done so far and sorry to hear that you have been having such issues with you...
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RE: Questions on my Hitachi Yutaki SCombi Heat Pump
OK, thats good and low. With low flow temperatures lik...
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RE: Help me keep the faith with my air source heat pump installation
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
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RE: Say hello and introduce yourself
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Is this normal? Click of the DHW returning to space heating
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@sandman1600 you need to measure whats going on real...
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Just an update on the responses received by Smart Heati...
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