Graham Hendra
Graham Hendra
@grahamh
Reputable Member
1440 kWhs
Expert
Joined: Apr 14, 2021
Last seen: Jul 15, 2023
Topics: 3 / Replies: 90
Reply
RE: What do we need to know before installing a heat pump?

@derek-m to be honest i couldnt care less what they do. whatever happens there will be more paperwork and not a lot will happen.

7 months ago
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RE: What do we need to know before installing a heat pump?

@ginny i was the founder of freedom. But i dont work there any more, i haven't for 2 1/2 years, i sold it. I got fed up of people constantly asking fo...

7 months ago
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RE: 12kW Samsung gen 6 short cycling

i like it, yes , short and sweet

8 months ago
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RE: 12kW Samsung gen 6 short cycling

look i know its not what you want to hear but stop obsessing over the PWM output. Im afraid that most heat pumps dont really have a pwm function at al...

8 months ago
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RE: 12kW Samsung gen 6 short cycling

Ok so first never run the unit below 30 or even better 35c flow temp. You will get tons of cycling Heat pumps don't work well below these temperatu...

8 months ago
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RE: National heat pump day April 12th

january was horrific this year, my run cost was roughly twice the average, thats global warming for you.

8 months ago
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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,...

8 months ago
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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.

8 months ago
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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...

8 months ago
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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 ...

8 months ago
Topic
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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...

8 months ago
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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...

12 months ago
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