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iancalderbank
@iancalderbank
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Joined: Oct 17, 2022
Last seen: Jan 14, 2025
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Topics: 0 / Replies: 643
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RE: Grant 13kW Aerona3 - issues getting zones to temp

not a problem. sounds like youve had a crap time of it. I noticed a lot of discussion about heat zones further back. If possible try to get your sys...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

@crimson temperatures- for the sake of 10 quid buy yourself a set of these , tape them tightly to the pipes either side of the LLH, cut a bit of 28mm ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin problem

@togfather the flow rate is crucial. If that stays at 10.7, you will never move enough heat, there is basic physics in the way, the rate of movement o...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Real world advice on ASHP installation - 2 18kW ASHP's recommended

@mrj any ashp will drive a DHW tank, and most will also provide cooling, so these are non-factors in selection. Other brands and heating engineers are...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung ASHP set up help needed

@swanny suggest whilst you are tuning the heating you turn DHW off, or move it to on a schedule, so that it can't call for a dhw cycle in the middle o...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

all. I don't know if this is normal for a grant, but its not normal as far as I'd expect. An LLH if used should be AFTER the diverter for the CH/DHW. ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: G99 application experience

happen to know your are in MK same as me as per one of our other discussions. Western power were also concerned about voltage rise with my system as p...

2 years ago
Forum
Solar Photovoltaic (PV)
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RE: 12kW Samsung ASHP set up help needed

@swanny grahams heat pump channel is great for initial setup. however there is a mistake in the weather comp section, he gets two of the temperatures ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin problem

@togfather so unfortunately we have heard a lot of cases of Eco4 installs using several methods that are bad practice for ASHP installation, all at th...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Performance in the current cold snap…

here's some photos. 3x arctic PWM PST fans not built into array. showing the daisy chain of cabling - you only need to connect to one end. The array...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Real world advice on ASHP installation - 2 18kW ASHP's recommended

@mrj those are HT pumps - warning flag - meaning your engineer may be sizing it for smaller radiators with higher running temp. Better not to rely o...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Real world advice on ASHP installation - 2 18kW ASHP's recommended

@mrj obviously do all youi can on insulation. others have said that well. 2x 18 sounds enormous even for 300m2. especially if you are making a seriou...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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