Finally found a video that explains this coherently. The others I've seen make it to complicated and miss key points that the uninitiated needs to make sense of it.
So to be clear, the heating of the water is seemingly entirely due to the compressor that increases the heat of the refrigerant due to an increase in pressure. With the cooling of the refrigerant seemingly occurring as a consequence of the decrease of the velocity / pressurisation of the refrigerant due to the turnings of the pipe work within the heat exchanger. Why not simply have a closed system where the refrigerant is maintained at a constant high pressure?
Thank you: nice & simple (I've got a brain injury). But IF outside is very hot/sunny (in the summer anyway) & you put the 'radiator' out there (outside) = would you ALWAYS still need to compress the liquid, or NOT in summer? Maybe I;m missing something obvious, if so I'm sorry! Thank you.
At the very end you say that the expansion valve turns the high pressure cold liquid into a vaporous state by "greatly reducing the pressure and temperature" which contradicts the beginning of the video that states that the evaporator is the mechanism that does this. wouldn't it be a cold low pressure liquid that leave the expansion valve?
The evaporator turns the liquid into low pressure gas then goes through the compressor to high pressure gas. When it goes through the water it is cooled and turns into high pressure liquid then the expansion valve turns it back to low 0ressure liquid
refering to the Heat Pump diagram with QH TH and QL TL, can you tell me where would the High and Low reservoir be? and where is the work input and the heat transfer please?
The refrigerant leaves the condenser will be low Temperature with high pressure liquid. the job of the expansion valve is to turn the refrigerant into low pressure gas which is already low temperature. That's case the heat can travel from the air into the the evaporator which absorbs that heat to become hot gas low pressure going to the compressor to start the cycle again.,
The audio is so low I cannot hear anything. It's a pity because the video looks well made. I took my laptop and put the speaker in contact with my ear and I still cannot comprehend anything.
No Reversing Valve on your Heat Pump ? This seems to represent a water source Air Conditioner where the Condenser is always located in the heat Exchanger rejecting heat into the water source and the Evaporator is always in the air flow absorbing heat from the supply Air. Where as on a true Watersource Heat pump the Roles of the Heat exchanger and he Coil in the Air Flow actually switch depending on the Demand. For Example if the water source was demanding that the temperature be lowered , Then the role of the evaporator would come from the heat exchanger where the Low temperature Liquid Gaseous Refrigerant would Absorb the heat from the Water source and then The Condensor would be in the Air Flow where it would reject the Heat. The Reversing valve would be necessary to accomplish the reversal of the Roles that each coil plays. This is the basic principle of how a Pool Heat Cool model Heatpump works as well as most Residential Heatpumps that Cool the house in the summer and Heat the house in the winter. Alternatively in Large Scale commercial Industrial Heatpumps. Technology has advanced enough that they can be designed to use a Hot Gas bypass with three Coils instead of just two.
No residential direct expansion, doesnt use water lol.....not at all......water not used.....not in usa, water used in geo thermal, not typical heat pumps.....
One of the clearest explanations I've seen. Thanks much for posting!
hii
Finally found a video that explains this coherently. The others I've seen make it to complicated and miss key points that the uninitiated needs to make sense of it.
Najlepsze wytłumaczenie działania pompy ciepła. Dzięki 😃
Best explanation video I have seen for heat pumps. Brilliant!
Very easy to understand! this is the best explanation on how a heat pump/AC works I fund on youtube.
But not typical heat pump lol
This makes everything so much easier to understand. Thank you.
Thank you! Best explanation I've come across.
if you're not a school teacher already then you should be! This is a great intro for anyone keen enough to learn. thanks.
Very clear and simple explanation. Thank you.
I agree with comments below, you did excellent job of explaining, other videos are horrible
thank you , you really helped me to understand how it works
thanks for this. I start training for this next week, wanted to get a good summary, and you delivered 😊
the best explanation! thank you
The volume for me was fine. Thanks for the clear voiced video.
vOLUME WAS A PROBLEM. TOO LOW.
Lula Zeta shut your trap
VOLUME WAS A PROBLEM, BIGGGG PROBLEMMMM
I found volume OK. I just had to turn my speakers up a little.
Simple and clear, well done
thank you
Wow this is cool! Humans are awesome innovators indeed.
Super clear, thank you.
Very clear explanation, thank you
Super explanation. I never seen before this type of explanation
Very explanatory, thank you!
Wow.I love this.What a relief
Why do we need the the evaporator? Seems like the compressor is doing the work to heat the liquid to a temperature high enough to warm the water
So to be clear, the heating of the water is seemingly entirely due to the compressor that increases the heat of the refrigerant due to an increase in pressure. With the cooling of the refrigerant seemingly occurring as a consequence of the decrease of the velocity / pressurisation of the refrigerant due to the turnings of the pipe work within the heat exchanger. Why not simply have a closed system where the refrigerant is maintained at a constant high pressure?
good video thank u Morten
Thank you: nice & simple (I've got a brain injury). But IF outside is very hot/sunny (in the summer anyway) & you put the 'radiator' out there (outside) = would you ALWAYS still need to compress the liquid, or NOT in summer? Maybe I;m missing something obvious, if so I'm sorry! Thank you.
You probably wouldn't use it in summer, the heated water would go to the radiators in your house
Is it a heat exchanger?
At the very end you say that the expansion valve turns the high pressure cold liquid into a vaporous state by "greatly reducing the pressure and temperature" which contradicts the beginning of the video that states that the evaporator is the mechanism that does this. wouldn't it be a cold low pressure liquid that leave the expansion valve?
good point
The evaporator turns the liquid into low pressure gas then goes through the compressor to high pressure gas. When it goes through the water it is cooled and turns into high pressure liquid then the expansion valve turns it back to low 0ressure liquid
Thanks Margaret.
refering to the Heat Pump diagram with QH TH and QL TL, can you tell me where would the High and Low reservoir be? and where is the work input and the heat transfer please?
So basically it is a refrigeration cycle
Correct. The compressor has a reverse valve
The refrigerant leaves the condenser will be low Temperature with high pressure liquid. the job of the expansion valve is to turn the refrigerant into low pressure gas which is already low temperature. That's case the heat can travel from the air into the the evaporator which absorbs that heat to become hot gas low pressure going to the compressor to start the cycle again.,
Superb video
What is type of heat pump.. Please help me to my final year project..
Gold
clear video
THANK YOU :)
Ty
nice one
My only complain is the audio. Why is the vvolume so low? I can barely hear what the guy's saying.. :(
Thus the air in the room becomes colder, which is not exactly what you want in winter time.
How kW consumes per hour for every liter of water
This what I want to know, please if you have any idea to give me also
cool
This is a "Heat Pump Water Heater "
The audio is so low I cannot hear anything. It's a pity because the video looks well made. I took my laptop and put the speaker in contact with my ear and I still cannot comprehend anything.
+Alessio Sangalli
switch on the subtitles option, it is the left one on the right. works perfectly
No Reversing Valve on your Heat Pump ? This seems to represent a water source Air Conditioner where the Condenser is always located in the heat Exchanger rejecting heat into the water source and the Evaporator is always in the air flow absorbing heat from the supply Air. Where as on a true Watersource Heat pump the Roles of the Heat exchanger and he Coil in the Air Flow actually switch depending on the Demand. For Example if the water source was demanding that the temperature be lowered , Then the role of the evaporator would come from the heat exchanger where the Low temperature Liquid Gaseous Refrigerant would Absorb the heat from the Water source and then The Condensor would be in the Air Flow where it would reject the Heat. The Reversing valve would be necessary to accomplish the reversal of the Roles that each coil plays. This is the basic principle of how a Pool Heat Cool model Heatpump works as well as most Residential Heatpumps that Cool the house in the summer and Heat the house in the winter. Alternatively in Large Scale commercial Industrial Heatpumps. Technology has advanced enough that they can be designed to use a Hot Gas bypass with three Coils instead of just two.
What is the benefits of hot gas ?
I want to talk with the boys before Christmas. Larry is a aged boy. I was removed him.
No residential direct expansion, doesnt use water lol.....not at all......water not used.....not in usa, water used in geo thermal, not typical heat pumps.....
so much BS!