Alteas ONE Net - Installation Manual

MAINTENANCE GUIDE 3.13

MAINTENANCE GUIDE 3.13 Safety valve 3.14 Temperature sensors Tools Tools TIME Drain the boiler (see 3.3). Disconnect the discharge pipe. Remove the fist clip on the left and pull the safety valve towards you 5 min NTC1 : Black NTC2: Red TIME 5 min NTC1 1 1 NTC2 2 Unplug the electrical connectors 2 Remove the clip and the temperature sensor IMPORTANT ! Do not use conducting paste for the contact sensors because it will alter the resistance value. TEMPERATURE RESISTANCE (kOhm) 0 27 10 17 20 12 25 10 30 8 40 5 50 4 56 /

MAINTENANCE GUIDE 3.15 Manual Air vent 3.16 Main heat exchanger Tools Tools TIME Drain boiler (see 3.3) Unscrew and lift the manual air vent from the exchanger 5 min Drain boiler (see 3.3) Remove the silencer TIME 20 min 1 1 Isolate the gas supply and disconnect the gas pipe. 2 2 / 57