- 87 -
MAINTENANCE
MAINTENANCE
at maximum output in domestic hot water
mode" (Fig. 9.25).
Fig. 9.25
• Press keys 14 - 17 - 18 (Fig. 9.20) at the
same time again to exit the "chimney sweep
mode" and return to the previously set boiler
status (Fig. 9.26).
Fig. 9.26
Winter
Summer