Lennox G23 - Manuals

Page 2 G23 Parts Identification FIGURE 1 DURALOK TM HEAT EXCHANGER ASSEMBLY UPPER ACCESS PANEL BURNERS IGNITION CONTROL BLOWER MOTOR GAS MANIFOLD CABINET CONTROL BOX GAS VALVE COMBUSTION AIR PROVING (PRESSURE) SWITCH COMBUSTION AIR BLOWER BLOWER ACCESS PANEL VENT PIPE CONNECTION TOP CAP BLOWER CONTR...

Page 3 CAUTION Before attempting to perform any service or mainteĆ nance, turn the electrical power to unit OFF at disĆ connect switch. WARNING Do not use this furnace if any part has been under water. Immediately call a qualified service techniĆ cian to inspect the furnace and to replace any part o...

Page 4 Gas Valve Operation (Figure 3) 1- STOP ! Read the safety information at the beginning of this section. 2- Set thermostat to lowest setting. See figure 2. THERMOSTATS FIGURE 2 3- Turn off all electrical power to appliance. 4- This appliance is equipped with an ignition device which automatical...