Introduction Heat Recovery VRF System

Introduction Heat Recovery VRF System

Objective: Cooling and Heating Cycle Only Cooling Cycle Only Heating Cycle What is Heat Recovery System  Heat Recovery VRF provides simultaneous cooling and heating by transferring exhaust heat (or waste heat) from a cooled zone to a zone that requires...
Introduction To VRF Or VRV

Introduction To VRF Or VRV

Objective: Block diagram of VRV/VRF system. Refrigeration cycle of VRV/VRF system. History: 1982 VRV – Daikin developed VRV, the world’s first multi-split type air conditioner for commercial buildings. VRV and VRF are two different terms for the same...
DUCTWORK SYSTEM

DUCTWORK SYSTEM

Ductwork Definition: Ducts are conduits or passages used in heating, ventilation, and air conditioning to deliver and remove air. Terminology: CFM : Cubic feet per minute FPM: Feet per...
HEAT LOAD CALCULATION

HEAT LOAD CALCULATION

Modes of heat transfer Definition: Heat is a form of energy associated with the motion of atoms or molecules. Transferred from the objects at a higher temperature to objects at lower temperature Classification: Conduction is heat transfer by means of molecular...