Gas Valve Flow - LG W3S1 Series Service Manual

9-2. Gas Valve Flow

START KEY PUSH
VALVE 1 ON (VALVE 2 OFF)
TEMPERATURE ABOUT
FLAME DETECT OPEN
IGNITER OFF 374˚C (190˚C)
GAS IGNITION
START
ON
ON
CLOSE
OFF
IGNITER ON
IGNITER
2499˚F (1343˚C)
YES
VALVE 2 ON
GAS IGNITION
YES
DRYING
OFF
OPEN
ON
GAS IGNITION
NO
NO
FLAME DETECT CLOSE
VALVE 2 OFF
GAS VALVE STRUCTURE
Adjustment Screw
- 91 -
Valve1
Valve2