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Graham Hendra
Graham Hendra
@grahamh
Member Professional Installer
Estimable Member
Joined: Apr 14, 2021
Last seen: Oct 7, 2025
Profile Activity
Topics: 7 / Replies: 103
AllTopicsReplies
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

thats madness no plumbing system is supposed to leak , ever. sounds like its time to get someone good in. where are you i might be able to recommend s...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

@saz your heat pump should not break down, have you asked the installer back? like all technologies if its installed well it works seemlessly if its n...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

@mjr i have no idea, ask Ofgem, im just telling you how its going to work. Ofgem know all the answers

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
The new heat pump grant – boiler upgrade scheme (BUS)
4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 29
Views: 8567
Reply
RE: 14kW Midea ASHP in an old leaky building

i would advise using the midea app from freedom, its very impressive, give them a call im sure its not very expensive and you can fit it really easily...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

tbh all the readings you get from the units themselves are soewhat dubious, they do things like forget to measure the fan and pcb power etc if y...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@derek-m all good points but since almost no one reads the instructions they dont know the capacities can be changed. No manufacturer will ever tel...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@cathoderay flicking the dipswitches so a 16 becomes a 14 or 12 just changes the max output. All the switch does is limits the max output of the unit ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto legend thanks, thats perfect

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@cathoderay No manufacturer or distributor will ever tell you that the units can be adjusted for capacity but its always been the case, they just r...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto cool can you crack this one open for me its called mcs031, some cells are protected its really annoying, im trying to automate it.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

I wrote that excel heat load tool. I'm impressed you cracked it open. The reference to "i made it up" was because we have to extrapolate from incomple...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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