The control unit for the MAN wet heater is an essential device for managing heating systems. It features a digital display at the top and five functional buttons at the bottom, each with a specific icon:

• Buttons with a clock symbol for timer control.
• Button with a “P” symbol for activating or deactivating the heater.
• Button with a thermal wave symbol for activating the heating function.
• Arrow buttons for navigation and settings.

This controller is compatible with MAN models 81619900093, 8161990-0093, 81619900090, and 8191990-0090, ensuring efficient and precise operation of the heating system.