Centrifugal fan
Low noise, protection level IP54.
Water side heat exchanger
High efficiency tube in tube heat exchanger for ceiling series, shell and tube for floor standing series, factory insulated with flexible close cell material.
Refrigerant circuit
Copper tube connection with charge valves, filter, capillary tube; high pressure switch and low pressure switch. The heat pump units are complete also with 4-way valve and one way valve.