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Thread: Difference Between Vrv And Vrf
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19-02-2008, 12:44 PM #1
Difference Between Vrv And Vrf
Dear all
If any one has detailed information between the difference between VRV and VRF,please send that to me .Please send that to my email id [EMAIL= E mail address removed by the moderator. [/EMAIL].
its urgent.
Vijay anandLast edited by Argus; 19-02-2008 at 02:29 PM. Reason: correction
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19-02-2008, 12:53 PM #2
Re: Difference Between Vrv And Vrf
They are essentially the same thing, EXCEPT the term VRV is copyrighted by daikin. for example a system by daikin may be called a VRV, but a similar system made by fujitsu is a VRF.
VRV = Variable Refrigerant Volume, VRF = Variable Refrigerant Flow.
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19-02-2008, 02:33 PM #3
Re: Difference Between Vrv And Vrf
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It's as Acidslasher remarked.
They are two interchangeable terms for the same machine. It means the same.
Following Daikin's registration of 'VRV' as a 'trade name', VRF has become the accepted generic term for these machines.
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19-02-2008, 08:33 PM #4
Re: Difference Between Vrv And Vrf
VRF as used by Mitsi and others is the more acurate term.
VRF - Variable Refrigerant Flow is essentialy what goes on inside the system.
VRV - Variable Refrigerant Volume does not really happen so therefore Daikin can keep their Guarded terminology!
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20-02-2008, 07:36 AM #5
Re: Difference Between Vrv And Vrf
yeah the actual volume of refrigerant doesnt change, so i dont know why its called variable. Flow is much more accurate.
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30-01-2011, 08:04 AM #6
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31-01-2011, 09:24 PM #7
Re: Difference Between Vrv And Vrf
I think you will find Daikin invented and patented the first VRV system. Other manufactures then followed by designing there own VRF system, most of which were copies.
Personally I think the latest VRV heat recovery is far superior to the present VRF systems:
Ø Higher COP
Ø Continuous heating during defrost
Ø No capacity loss during indoor mode change
Ø Heating mode high capacity start up (providing rapid heat up of indoor coils)