Rotex A1 BO Installation And Maintenance Instructions Manual

28, 5 x Control 28 FA ROTEX A1 B0 - 10/2007 5 Control unit 5.1 Controls on the boiler control panel 5.1.1 Control THETA 23R Mains switch Switches the oil condensing boiler on and off. When the heating system is on, the mains switch is illuminated green. Burner malfunction indicator During norm…

48, Rotex A1 BO 7 x Hydraulic connection 48 FA ROTEX A1 BO - 10/2007 7 Hydraulic connection 7.1 Integrated connection group 7.1.1 Design and function The integrated connection group is a compact unit for connecting a heating circuit and a hot water tank to the oil condensing boiler ROTEX A1 BO. The integrat…

21, 3 x Set-up and Installation 21 FA ROTEX A1 BO - 10/2007 3.8 Connect the 3-way diverter valve The oil condensing boiler is fitted with an integrated circulation pump and a 3-way diverter valve (3W-UV) as standard. The circulation pump is already factory-connected; the 3-way diverter valve …

69, 11 xTechnical data 69 FA ROTEX A1 BO - 10/2007 SW1 Main switch S1 STL fault S2 Burner fault P K Pump P K P Z Circulation pump 3W-UV 3 way diverter valve P L Storage tank charging pump P MI Mixer circuit pump MI Mixer motor MK Mixer circuit BUS Connection for THETA room station or other THETA cont…

61, 9 x Faults and malfunctions 61 FA ROTEX A1 BO - 10/2007 Tab. 9-2 Possible malfunctions on the A1 BO (Part 2) Malfunction Possible cause Possible solution Burner motor not running despite burner demand Plug connections of the control unit are loose • Check/insert plug connections …

57, 8 x Inspection and maintenance 57 FA ROTEX A1 BO - 10/2007 • Disconnect the oil condensing boiler from the power supply (fuse, main switch off) and secure against unintentional restart. • Remove four Allan screws M10 (see fig. 8-12). • Tilt the combustion chamber upwards (see fi…