Service Manual
Page 12
... Open at 370°F ((Maximum) Close at 320°F Resistance value ∞ Resistance value < 1Ω • Gas type 11 Heater 8. Igniter valve 2 Measure resistance of terminal to terminal Resistance value : 100~800Ω • Gas type 12. Component 7. Gas valve valve 1 Measure resistance of the following terminal Terminal : 1 (COM) - 2 Terminal : 1 (COM) - 3 Terminal : 2 - 3 Check result Resistance value : 10...
... Open at 370°F ((Maximum) Close at 320°F Resistance value ∞ Resistance value < 1Ω • Gas type 11 Heater 8. Igniter valve 2 Measure resistance of terminal to terminal Resistance value : 100~800Ω • Gas type 12. Component 7. Gas valve valve 1 Measure resistance of the following terminal Terminal : 1 (COM) - 2 Terminal : 1 (COM) - 3 Terminal : 2 - 3 Check result Resistance value : 10...
Service Manual
Page 24
.... YES NO • Check thermostat Hi limit Safety Igniter operates? (after 1 min, Igniter becomes reddish) YES NO • Check Igniter & Frame detect When measuring Valve 2 voltage, Value is more than1.5 ~ 2.5kΩ? (Measure after Igniter off) YES NO • Check Gas connection or Gas supply When measuring terminal resistance on Valve 1 Igniter Valve 2 Power On & Start (Normal Cycle) NO When...
.... YES NO • Check thermostat Hi limit Safety Igniter operates? (after 1 min, Igniter becomes reddish) YES NO • Check Igniter & Frame detect When measuring Valve 2 voltage, Value is more than1.5 ~ 2.5kΩ? (Measure after Igniter off) YES NO • Check Gas connection or Gas supply When measuring terminal resistance on Valve 1 Igniter Valve 2 Power On & Start (Normal Cycle) NO When...
Service Manual
Page 26
GAS VALVE FLOW START KEY PUSH "VALVE 1" ON IGNITE ON IGNITE TEMPERATURE ABOUT 370"F YES FRAME DETECT OPEN IGNITE OFF "VALVE 2" ON GAS IGNITION YES DRYING NO NO FRAME DETECT CLOSE "VALVE 2" OFF GAS IGNITION START VALVE 1 IGNITER FRAME DETECT VALVE 2 ON ON CLOSE OFF OFF OPEN ON GAS IGNITION GAS VALVE STRUCTURE 25
GAS VALVE FLOW START KEY PUSH "VALVE 1" ON IGNITE ON IGNITE TEMPERATURE ABOUT 370"F YES FRAME DETECT OPEN IGNITE OFF "VALVE 2" ON GAS IGNITION YES DRYING NO NO FRAME DETECT CLOSE "VALVE 2" OFF GAS IGNITION START VALVE 1 IGNITER FRAME DETECT VALVE 2 ON ON CLOSE OFF OFF OPEN ON GAS IGNITION GAS VALVE STRUCTURE 25