Variable Refrigerant Flow Systems

Air Conditioning Clinics (Systems Series)


Order Number: TRG-TRC020-EN
Format: Manual
Price: $18.00
Publish Date: 2018

Click here for ordering instructions.

Variable Refrigerant Flow Systems focuses on VRF systems, which use a combination of zone‐level indoor terminals and outdoor components to provide heating and air conditioning.  

Topics include:

  • System component overview
    (outdoor units, indoor units, controls, refrigerant piping, heat recovery control units)
  • Air‐ and water‐cooled heat rejection
  • Ducted and non‐ducted indoor units
  • System configurations (cooling only, heat pump, heat recovery)
  • Maintenance considerations, refrigerant safety, space humidity control
  • Ventilation air delivery
  • Cooling coil condensate
  • Equipment rating standards
  • Combination ratio
  • Low ambient operation
  • Defrost operation, lubrication and oil recovery