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11.1 Wiring diagram of THERM DUO 50 FT connection
Page 1: ...Manual for installation and maintenance DUO 50 FT...
Page 2: ...ents 7 Starting the boiler 7 Disconnecting the boiler 8 6 Regulations for control and maintenance 8 Use of the boiler 8 LCD display 9 Maintenance 10 7 Gas fitting SIT 845 SIGMA 10 8 Boiler hanging 11...
Page 3: ...removable Above the exchangers there is an exhaust rectifier There is an eighteen armed water cooled low NOX gas burner in the lower part of the combustion chamber The burner is a product of POLIDORO...
Page 4: ...rough which the combustion air will be supplied and another through which the flue gas will be exhausted 3 TECHNICAL SPECIFICATIONS units DUO 50 FT Flue natural gas Boiler category I2H Maximum heat in...
Page 5: ...g must follow valid technical regulations Important No flammable objects can be placed within the safe distance from the boiler i e 50 mm and within the safe distance from the exhaust pipe and check g...
Page 6: ...combustion air will be supplied and another through which the flue gas will be exhausted Given the wide range of possible solutions the exhaust components are not delivered as the standard boiler fix...
Page 7: ...ilers and features of IU 02Q interface communication with programmable QAA 73 110 This kind of communication offers more programmable options and it displays the operational modes of the boiler room m...
Page 8: ...for user s setting of water temperature in the heating system within 35 80o C the recommended range is 55 80o C If weather compensated regulation is used you can set the heating curve within 15 C from...
Page 9: ...gain Failure or operational values exceeding indication The LCD display shows E and failure code for codes see the following chart failure code meaning E01 ignition failure E02 insufficient heating wa...
Page 10: ...erm is signalled by top arrows in the display corners when it is a communication of a cascade IU04 10 and IU05Q it is signalled by bottom arrows Maintenance Regular maintenance is very important for r...
Page 11: ...e manual Important The system for the setting of gas pressure range on modulator is protected by a plastic cover That is removed for gas pressure setting and after the setting it is necessary to put i...
Page 12: ...es of heating water are done for Wilo 25 70 and Grundfos 15 60 pumps at the highest level of regulation We do not recommend lowering the pump output because of the boiler output and circulation featur...
Page 13: ...Graphs for boiler output setting Graph for output settings of THERM DUO 50 FT natural gas nozzles 1mm 0 2 4 6 8 10 12 14 25 27 29 31 33 35 37 39 41 43 45 Boiler output kW Gas pressure mbar Starting o...
Page 14: ...14 10 BOILER SETS 10 1 THERM DUO 50 FT set front view...
Page 15: ...15 10 2 THERM DUO 50 FT set side and top view...
Page 16: ...16 11 1 Wiring diagram of THERM DUO 50 FT connection...
Page 17: ...e outlet heating water temperature exceeds the set temperature by 5 o C At this moment the boiler stops burning but the pump is running and the re ignition is restricted for some time the factory sett...
Page 18: ...setting is to be set to a value a little higher than it is when a room thermostat is not used If the outside temperature sensor is not working the failure is signalled and the boiler works in the prev...
Page 19: ...rts of the boiler 13 GUARANTEE AND LIABILITY FOR DEFECTS The manufacturer is not to be held liable for any mechanical damage of individual components caused by malpractice for defects caused by unprof...
Page 20: ...sely to each other not further than 50 cm that they are exposed to the same climatic conditions C42 Separated connection to two pipelines within the same shaft The outlet of both shafts is either conc...
Page 21: ...duction correspond with the requirements of valid norms and regulations The product packaging is to be handed in the paper disposal area the foil in the disposal containers for plastics The boiler par...
Page 22: ...sic technical safety and hygienic requirements The product is certified by Engineering testing institute authorized person 202 THERM DUO 50 FT certificate for type testing according to EC guidelines f...
