2
3.3.2.
Operating.......................................................................................................25
3.3.3.
Explanation for Indication ............................................................................26
3.3.4.
Enabling/Disabling the Illumination for Operation Modes .........................27
3.3.5.
Operation Modes of Twist Control ...............................................................27
4. Maintenance and Repairs ...........................................................................................29
4.1. Maintenance of the Unit.......................................................................................29
4.1.1.
Filter ...............................................................................................................29
4.1.2.
Fan .................................................................................................................29
4.1.3.
Heat Exchanger.............................................................................................29
4.1.4.
Control ...........................................................................................................29
4.2. Troubleshooting...................................................................................................30
