Digital user guides

Challenge - 5K Air Conditioner — 337/7424
- Getting to know the remote control
- After use and storage
- Fitting the exhaust hose
- Getting to know the operational panel
- What are the different function modes used for?
- Adjusting the temperature setting
- Setting an on timer
- Setting an off timer
- Portable air conditioning unit will not start
- How to lock the keyboard on the remote control