Variable Refrigerant Flow (VRF) System Overview Flashcards
(13 cards)
What is the full name of the VRF system?
Variable Refrigerant Flow
Which type of VRF system is able to distribute both heating and cooling at the same time with different modes?
Heat recovery system*
During heating mode of the VRF system, the refrigerant in the indoor unit’s coil, will change state from a high pressure gas to ______?
High pressure liquid
Why does the VRF system closely resemble the function of a multi-split system?
In connects multiple indoor units with one outdoor unit
Which type of VRF system is able to distribute both heating and cooling, but does NOT distribute at the same time for different modes?
Heat pump systems
The coil of an indoor unit of VRF system acts a(n)______ during cooling mode.
Evaporator
The indoor unit of a VRF system are also referred to as which of the following?
Air Handler
What are the components utilized during the functions of a Heat Recovery System?
Outdoor Unit; Mode selector box; indoor unit
During cooling mode of the VRF system, the refrigerant in the indoor unit’s coil will change state from a low pressure liquid to ________?
Low pressure gas
A separate ________ is required during cooler seasons for buildings that have cooling only VRF systems installed.
Heating system
The VRF system does NOT require ________ to distribute heating and cooling within building spaces or zones
Ductwork
An indoor unit of VRF system act a(n) __________ during heating mode.
Condensor
What VRF heating recovery component direct the proper state of refrigerant into the indoor coil for heating or cooling?
Mode selector box
