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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: 12kW Samsung gen 6 short cycling

@iantelescope PWM was released on gen 6 units about 5 years ago, i had one installed so i could train people on it. the PWM signal doesnt do anything,...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

@william1066 the manual says alot of things but i was always told dont believe all the lies you are told.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

thanks for buying it, its a little lower level than this discussion. The pwm function people are looking at is interesting. its a great idea, s...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: National heat pump day April 12th

fair points apart from the fact that you are assuming you will use the same amount of energy every year. If you measure it every month of every ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
National heat pump day April 12th
3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 10
Views: 2421
Reply
RE: 12kW Samsung gen 6 short cycling

It's all here

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

11 years ago this was easy ken. But much harder now. Units over the last couple of years don't ramp down much below 30 or 40%. And they really hate ru...

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

I have read some ill informed rubbish in my time but this thread is world class. First I wrote the freedom calculator. The data is fine. I owned Fre...

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

i think its hilarious that our industry worries about cop when all that matters is run cost. The pumps are there to do a job, they would be there if y...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Launches the EHS Mono HT Quiet – A High Temperature, Low Noise Heat Pump Ideal for Home and Building Renovations

@olly there is a technical issue with it not being on the mcs yet, i think its supposed to be on in December, after that reviews will pour in. But fro...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Knowing a system will work before we commit to it

and that explains why i have a job, i spend my days speaking to homeowners after they have had a site visit from thier installer of choice and have lo...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Knowing a system will work before we commit to it

I wrote a book answering all these questions its on amazon, but why on earth would you buy a unit from someone who cant answer the qs? , getting idiot...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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