APPLICATION: Flat heat storage tank for wall or floor installation as full heating for homes and businesses for the use of low-tariff models with blocking times. EQUIPMENT/COMFORT: Flat heat storage tank with a construction depth of 218 mm including 21 mm wall clearance grille. Integrated electronic charging and room temperature controller. Operation via display with simple programming. Adjustable room temperature from +5 to +30°C. Room temperature controller with programmable weekly timer with 2 preset and 1 individually programmable time program. Adaptive control as a learning function for timer operation. Selectable function for detecting an open window. Programmable comfort and reduction temperatures. Connected load can be reduced in four stages (100/91.6/83.3/75%). Control input for AC signals (230V alternating current). Control input for DC signals (0.91 - 1.43V direct current) available as optional accessory. Optional additional heating can be integrated. High-quality thermal insulation technology for high heat retention capacity. Supplied as standard with lint filter in the air intake. Particularly quiet with tangential fans. INSTALLATION/SERVICE: Installation as a wall unit with wall brackets included as standard, directly on the floor or free of the floor with brackets. Optional support brackets for non-load-bearing walls. (Unit sizes 4.2kW and 4.8kW wall installation only in conjunction with support brackets). Only one type of core brick (2 bricks/package). Easily accessible electrical connection with fold-out connection panel for niches. Direct connection with NYM. Permanent control voltage required. SAFETY: Protection class I, protective temperature limiter