IDEAL LOGIC+ Combi - Page 13

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ADVANCED FEATURES
B. TIMED PRE-HEAT
When Domestic Hot Water preheat is switched on the boiler control the boiler will preheat from the beginning of
the rst timed on central heating period of the day to the end of the last timed on central heating period of the
day, so as to provide more efcient water delivery. This function is disabled when the preheat switch is set to off.