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Alliance Laundry Systems Drying Tumblers 175 Pound Capacity User Manual

Page 23

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Page 20

DIRECT SPARK

IGNITION OPERATION

FLOW CHART

The DSI module is powered by a 24 volts AC suppled by a step-down transformer in
series with eight safety interlocks:

A. Timer switching device (1)
B. Main door and lint door switches (2)
C. Sail switch (1)
D. Under basket and burner housing thermal safety switches (2)
E. Variable thermostat (1)
F.

Push to start switch (1)

THERMOSTAT CALLS

FOR HEAT

IGNITION CYCLE BE-

GINS, GAS VALVE ON

MAIN BURNER FLAME

DETECTED

CONTROL LOC-OUT

RESET POWER

REQUIRES A MANUAL

RESET (Opening/closing

door, power switch ON/OFF)

SPARK IGNITION OFF

FLAME MONITOR ON

GAS VALVE ON

FLAME IS LOST DUE TO

POWER OUTAGE, DOOR

OPEN

NO

YES

NO

FLAME IS ON UNTIL

THERMOSTAT OR TIMER

IS SATISFIED

YES