Weishaupt WTC-GB 90-A, Installation And Operating Instruction

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10.3 Rectifying faults ................................................................................................. 74
10.3.1 Warning codes .................................................................................................. 74
10.3.2 Error codes ......................................................................................................... 76
10.3.3 Operating problems ......................................................................................... 77
11 Spares ......................................................................................................................................... 78
12 Technical documentation ................................................................................................. 90
12.1 Internal boiler wiring ......................................................................................... 90
12.2 Sensor variables ................................................................................................ 91
12.3 Pneumatic control lines ................................................................................... 92
12.3.1 Air pressure switch connection diagram ..................................................... 92
12.3.2 Flue gas pressure switch connection diagram .......................................... 92
12.4 Conversion table O2/CO2 ............................................................................. 93
13 Key word index ...................................................................................................................... 94
Installation and operating instruction
Gas condensing boiler WTC-GB 90-A
83266502 • 1/2010-08 • La
5-95