MAINTENANCE GUIDE 3.16 Manual Air vent 3.17 Main heat exchanger Tools Tools TIME 5 min TIME 20 min Drain boiler (see 3.3) Unscrew and lift the manual air vent from the exchanger Drain boiler (see 3.3) Remove the silencer 1 1 Isolate the gas supply and disconnect the gas pipe. 2 2 50 /
MAINTENANCE GUIDE Disconnect the cable of the electrode. Remove the four nuts and remove the burner unit Disconnect the palstic pipes from the manual air vent. 6 3 Disconnect the heating flow pipe 7 4 Disconnect the condensate pipe Remove the two clips to disconnet the exhanger on the heating flow side 8 5 / 51
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ELCO Heating Solutions - Commercial Heating and Hot Water