TRAINING MANUAL
DLEX8377WM
DLEX8388WM
Page 44
STEAM DRYER
GAS VALVE OPERATION
The gas valve is a two-stage valve. When the ignition sequence begins, the igniter is
turned on and valve one opens. When the igniter reaches 374° F (190° C), the igniter is
turned off and valve two is opened. If the flame detector does not detect ignition, valve
one is closed and the process is restarted. If ignition occurs as planned, the drying cycle
will operate.
GAS IGNITION SEQUENCE GAS VALVE CONSTRUCTION
IGNITION FLOW CHART
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