Installation and operating instruction
Gas condensing unit WTC-GB 15-B Compact and WTC-GB 25-B Compact
83309302 1/2018-05 La
3-196
5.2 Hydraulic connection ................................................................................................ 38
5.3 Gas supply .................................................................................................................. 40
5.4 Install condensing unit .............................................................................................. 41
5.5 Condensate connection ........................................................................................... 44
5.6 Air supply / flue gas duct ......................................................................................... 45
5.7 Electrical connection ................................................................................................. 46
5.7.1 Wiring diagram ................................................................................................... 47
5.7.2 Bus installation .................................................................................................... 50
5.7.3 Connect external pump .................................................................................... 51
5.7.4 Connect fresh water storage tank WAS 100 .............................................. 52
5.7.5 Connect fresh water storage tank WAS … Power .................................... 53
6.1 Operational display .................................................................................................... 54
6.2 Display and operating unit ....................................................................................... 55
6.3 Display .......................................................................................................................... 56
6.4 Favourites level ........................................................................................................... 57
6.5 User level ..................................................................................................................... 57
6.5.1 Info ......................................................................................................................... 58
6.5.2 System operating mode .................................................................................... 59
6.5.3 Heating circuits ................................................................................................... 60
6.5.4 Domestic hot water .......................................................................................... 62
6.5.5 Statistic ................................................................................................................. 62
6.5.6 Settings ................................................................................................................ 63
6.6.1.1 System ........................................................................................................... 65
6.6.1.2 WTC ............................................................................................................... 66
6.6.1.3 Remote control ............................................................................................ 69
6.6.1.4 Hydraulic ....................................................................................................... 69
6.6.1.5 Heating circuits ............................................................................................ 70
6.6.1.6 Domestic hot water ..................................................................................... 72
6.6.1.7 Fault memory ................................................................................................ 73
6.6.2.1 Boiler controller ............................................................................................ 74
6.6.2.2 Boiler circuit .................................................................................................. 75
6.6.2.3 Combustion .................................................................................................. 76
6.6.3 Remote control ................................................................................................... 77
6.6.4 Hydraulic .............................................................................................................. 78
6.6.5.1 Heating circuit settings .............................................................................. 79
6.6.5.2 Control behaviour ........................................................................................ 80
6.6.5.3 Mixer control ................................................................................................. 81
6.6.5.4 Screed program ........................................................................................... 82
6.6.6.1 DHW control ................................................................................................ 84
6.6.6.2 Legionella protection .................................................................................. 85
6.6.6.3 Circulation ..................................................................................................... 86