Alde Touchscreen Panel for Compact 3030 BoilerControl panel with a 3. 5 touchscreen and a new user friendly interface. Ability to control a heating system with two temperature zones. This touchscreen panel is required if upgrading from a 3020 to a 3030 boiler system. Alde Compact 3030 3030 Plus can be connected to various Truma AC* models to provide fully automatic climate control (ACC). The control panel controls the AC and its lighting. The control panel is divided into two menu categories: