Vulcan C24EA6 User Manual download pdf (Page 34)

MODEL C24EA - CONTROL BOARD

F35453 (July 2008) Page 34 of 68

STEAM GENERATOR OPERATIONAL STATUS

(LED INDICATORS)

Use the tables below to determine the operational status of a component or condition by utilizing the LED

indicators on the board. The sections are divided according to their operational step.

NOTE: If steamer power switch is off when line voltage applied, the steamer enters a timed drain cycle then shuts

off.

Starting Conditions

• Power and water supplied to steamer.

• Power switch (1S) off.

• Delime switch (2S) off (center position).

• Steamer previously operated and drain cycle timed out.

LED

STATUS

COMPONENT DESCRIPTION

ON OFF

1 X Power to control board (120V) Main transformer (1T) powered.

9 X Power to drain (TDR) Relay timed out, no output to drain circuit.

12 X Vacuum relief solenoid (2SOL) energized.

Pressure switch closed (2PAS). Allows

venting of steam generator during fill.

13 X Power to delime 1 (TDR) Relay timed out, no output to delime circuit.

All other LED's are off.

Power Switch on

• Power light (3LT) (amber) on.

• HL LED is on. Water level control powered.

• Water fills steam generator at fast fill rate.

LED

STATUS

COMPONENT DESCRIPTION

ON OFF

1 X Same as starting conditions

9 X Power removed from drain (TDR) K4 relay energized. K4-6/2 contacts open.

12 X Same as starting conditions

13 X Power removed from delime 1 (TDR) K4 relay energized. K4-6/2 contacts open.

All other LED's are off.

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Vulcan C24EA6 User Manual Page 34