3For the installer - 15 - EN3 For the InstallerThis chapter describes how to fi t the ComfoAir.3.1 ComfoAirThe standard ComfoAir configuration consists of:• External casing (A) of coated sheeting;• Interior (B) of high-quality, expanded polypropylene (E)PP;• 4 connections (C) for the air ducts;• 2 G4 fi lters (D) for air purification;• 2 energy-efficient DC motors (E) with high-efficient fan;• HE (High Efficient) heat exchanger (with optional moisture exchanger) (F);• Electronics compartment (H) for connecting external switches and controllers;• Removable PCB unit (H2 );• Identifi cation plate (I) detailing information on the ComfoAir (not visible);• Condensation drain connector (J);• Sticker (K) detailing air connections;• 3-core, 230V connection (L).