0
neon
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What is the correct charge for a refrigerant 134a refrigerator freezer?
25-40 psi
Principles of operation of vapour compression refrigeration system?
The principle of refrigeration is to remove heat from one area (i.e inside your fridge) and locate it to another area (i.e outside of your fridge). Air is not brought in from the outside of the fridge the heat is absorbed by the evaporator inside the fridge which has refrigerant inside it, this refrigerant at low pressure is at low temperature inside the evaporator so the heat from the product inside the fridge is absorbed by the evaporator (as heat always transfers from the hotter object to the colder object) which has a fan to circulate the air around the fridge. Then the refrigerant is pushed around the pipework by the compressor to the condenser where the refrigerant is hot from the heat out of the fridge, because the outside air will be lower than that of the pressurized refrigerant the heat is absorbed by the ambient air which leaves the refrigerant cooler and lower pressure so when its back into the evaporator it can absorb more heat and expel it into the ambient air. There are 5 main components in a normal refrigeration system like on your fridge:- Compressor Condenser Expansion Device or Capillary tube Evaporator Thermostat The compressor compresses the refrigerant gas. This raises the refrigerant's pressure and temperature, so the heat-exchanging coils outside the refrigerator allow the refrigerant to dissipate the heat of pressurization. As it cools, the refrigerant condenses into liquid form and flows through the expansion valve. When it flows through the expansion valve, the liquid refrigerant is allowed to move from a high-pressure zone to a low-pressure zone, so it expands and evaporates. In evaporating, it absorbs heat, making it cold. The coils inside the refrigerator allow the refrigerant to absorb heat, making the inside of the refrigerator cold. The cycle then repeats.
What is example of a CFC refrigerant is?
The most common example of CFC is CF2Cl2 that is responsible for the depletion of Ozone layer to a very significant extent..
What are the six states of a refrigerant in a refrigeration cycle?
what are the six states of a refrigerant in a refrigeration cycle
What is the function of the insulation refrigerator?
It keeps heat from outside the refrigerator from getting into the refrigerator.
Which refrigerant is used in a domestic refrigerator?
F-22
How do you recharge refrigerant To small refrigerator?
What procedure to recharge refrigerant to 165 ltres refrigerator
Where is a refrigerant label placed?
on a refrigerator......
Why is refrigerant used?
Refrigerant are used in refrigerator for cooling and dehumidifying indoor air.
Why does your refrigerator give off so much heat?
The compressor compresses the refrigerant gas. This raises the refrigerant's pressure and temperature, so the heat-exchanging coils outside the refrigerator allow the refrigerant to dissipate the heat of pressurization.
Can you release small limits of R12 from such as a small refrigerator without recovery system?
Yes you can if you are not receiving compensation. So if it is your refrigerator you may release whatever refrigerant it has in it. If it is your friends, but he is not paying you, you can release the refrigerant also. It is illegal for a paid professional to release any kind of fluorocarbon into the atmosphere, whether it is R12, R22, 134a or any other common refrigerant. That is why the have those expensive recovery systems.
How does the failure of the compressor in a refrigerator affect the heat transfer cycle?
When the compressor fails, the high vapor pressure refrigerant is no longer condensed. Without a phase change of the refrigerant is refrigerator will not cool.
What is the cooling agent inside pipes of a refrigerator?
It is called refrigerant, major refrigerant is hydro fluoro carbon (HFCs).
In a domestic refrigerator if the compressor runs continously it shows that?
Refrigerant filled within compressor, condenser and evaporator has leaked not allowing thermostat to switch off the compressor or in rare cases thermostat itself is damaged.
What a refrigerant do in a refrigerator?
== == It controls the temperature inside the fridge, so you don't have to
What provides the energy for a refrigerator to transfer energy from inside to outside?
The refrigerant
What is the refrigeration capacity of domestic refrigerator?
2
