Individual Split Systems:

In which a single ‘outdoor unit’ containing refrigeration and heat rejection equipment is connected to an individual ‘indoor unit’ delivering cooling. These may also be called ‘split package units’.

A single indoor unit is connected by refrigerant pipework to a single outdoor unit. The indoor unit may be floor, wall or ceiling mounted. The unit may be reversible allowing operation as a heat pump, or electric resistance heating may be included.

These types of systems are categorised as Level 3 and simple procedure generally considered suitable for these systems.