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Important features of VRV systems

What area unit the variations between VRF and VRV solution air conditioners? many that raise this specific question area unit keen on misinterpreting them as if they're 2 completely different HVAC technologies. In actual truth, the names area unit 2 completely different terms used for a constant variety of roof prime systems supported HVAC technology.

The terribly 1st vrv HVAC systems were supported electrical converter technology compressors and that they were made-up by Daikin as way back as early Nineteen Eighties. Daikin may be a technology leader in HVAC business and he registered the VRV term, as a politician trademark.

VRV stands for Variable Refrigerant Volume. alternative corporations victimisation this same HVAC system but decision it VRF, that stands for Variable Refrigerant Flow. However, folks tend to use VRF quite they use VRV, creating the previous to be a common person. during this write-up, we'll be victimisation the 2 names interchangeably since they're constant.

Image result for vrf piping
Source: Coolautomation

So, what's the vrf air con system?


It has similarity to the air con Systems in Rolls Royce. The technology with that it's designed is subtle and it's supported many principles.

Refrigerant solely

The vrf air con system makes use of refrigerant solely as its cooling material. another air con systems, on the opposite hand, create use of chilled water system. within the latter air-con system, the refrigerant takes up the task of each cooling and heating the water that gets circulated throughout the air con system.

The electrical converter mechanical device enclosed within the VRV Refnet system permits reduction of power consumption victimisation partial cooling or heating hundreds. Also, its indoor unit is enclosed with several air handlers on the refrigerant loop gate. The air-con system has the standard enlargement ability too. This makes it applicable for particularly giant comes, which might grow from stage to stage.

General structure

The vrv air-con system is created of an inside unit and an out of doors unit. The indoor unit is usually erroneously cited as fan coils, whereas the out of doors unit contains one or multiple compressors. alternative parts of the roof prime systems area unit communication wiring, Refnet Joints and refrigerant piping. The piping runs from the out of doors to any or all the indoor units.

The act wire within the VRV and VRF solutions is created of two wired cables. they're enchained from the inside to the out of doors units. They so produce a sort of internal closed-loop system network. This wiring is that the essential a part of its installation.

Each of the indoor units is controlled by a wired electrical device designed into it. Wireless remote can also be accustomed management it tho'. apart from wireless remote, it can even be controlled via centralized controllers. This latter variety of management allows dominant the indoor units all from the constant location.

How it functions

The VRV and VRF resolution have their operation logic totally intrinsic right within the system and it's proprietary for any VRF manufacture. The system receives input from the top user, WHO controls it in line with the desired cooling temperature.

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