A.O. Smith TWI 35-200 Installation, User And Service Manual page 12

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11.3.2 Clean the condensate drain................................................ 68
11.4 Gas-side maintenance....................................................... 68
11.4.1 Clean the burner.............................................................. 69
11.4.2 Assemble the burner......................................................... 70
11.4.3 Clean the air inlet filter......................................................70
11.5 Finalization...................................................................... 71
Troubleshooting........................................................................ 73
12.1 Errors and warnings..........................................................73
12.1.1 General errors..................................................................73
12.1.2 Displayed errors............................................................... 75
12.1.3 Warnings......................................................................... 79
Appendices................................................................................ 81
13.1 Technical details............................................................... 81
13.2 Dimensions......................................................................82
13.3 Gas details...................................................................... 84
13.4 Energy labeling................................................................ 85
13.5 Electrical wiring diagram....................................................86
13.6 Declaration of conformity...................................................87
13.7 Warranty......................................................................... 88
Index........................................................................................ 91