Deliming Cycle Status (Led Indicators) - Vulcan-Hart C24EA Series Service Manual

C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD
Drain Cycle Ends
• LED's 1, 9, 12 and 13 remain lit.
• All other LED's are off.
• Steamer is off.

DELIMING CYCLE STATUS (LED INDICATORS)

• Conditions same as listed under STARTING CONDITIONS.
• Delime time delay relay 2 (TDR) and drain time delay relay (TDR) jumpers on the control board are set at their
default times as shown on the schematic.
• Delime valve closed.
• Delime solution added to steam generator.
NOTE: Heat exchanger elements are not energized during delime cycle.
Delime Switch On
• Delime switch pressed to DELIME position (momentary on - hold 2 sec).
• Power light (3LT) (amber) on.
• Delime light (4LT) (red) on.
• HL Led is on. Water level control powered.
• Water fills steam generator at fast fill rate.
STATUS
LED
ON OFF
1 X
12 X
13 X
14 X
F35453 Rev. A (0119)
COMPONENT
Same as starting conditions
Same as starting conditions
Power to delime 1 (TDR)
Delime Relay (K4) energized.
Relay timed out, no output to delime circuit. LED
remains lit as in Turning Steamer Off.
Delime 2 (TDR) powered thru K4-6/4 closed contacts
(N.O.). 120VAC output from delime 2 (TDR) load
terminal for 60 minutes.
Power to heating circuit, power light (3LT) and WLC
thru K4-5/3 closed contacts (N.O.).
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DESCRIPTION