abc COMBO 25 Instructions For Use Manual page 8

Within each day there are three programs that can be used. Press the button P3
(selected field flashes) and set the time of ignition of the boiler (ON)
using the buttons P4 or P6. After setting the time press the button P3 to confirm.
Press the button P6 to move to the field for boiler shutdown. Press the button
P3 (selected field flashes) and using the buttons P4 or P6
set the boiler shutdown time.
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