INSTALLATION Electrical diagram For increased safety, ask a qualified technician to perform a thorough check of the electrical system. The manufacturer is not responsible for any damage caused by the lack of a suitable earthing system or by the malfunctioning of the electricity mains supply. E-COMBI ONE N L Detection/Ignition electrode 230 V 230 V T B 230 V 230 V 230 V 230 V TA2 BUS FLOOR SE TNK SOL TA1 N L Bl C.H. return temperature probe C.H. flow temperature probe Bl Bl Rd Rd GAS VALVE D.H.W. flow switch Switch ON/OFF Bk Gry Bk Bl Br Bk Bk Modulating fan Br Bl Rd Wh Diverter valve Br Bk Modulating circulation pump 28 /
INSTALLATION E-SYSTEM ONE N L Detection/Ignition electrode 230 V 230 V T B 230 V 230 V 230 V 230 V TA2 BUS FLOOR SE TNK SOL TA1 N L Bl C.H. return temperature probe C.H. flow temperature probe Bl Bl Rd Rd GAS VALVE Switch ON/OFF Bl Br Bk Bk Modulating fan Br Bk Modulating circulation pump / 29
SERVICE RECORD It is recommended th
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ELCO Heating Solutions - Commercial Heating and Hot Water