Vulcan-Hart C24EA Series Service Manual page 48

C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD
STATUS
LED
ON OFF
Vacuum relief solenoid (5SOL)
12 X
energized.
13 X Same as Delime Switch On
14 X Delime Relay (K4) de-energized.
15 X Delime Relay (K2) de-energized.
17 X Same as Delime Switch On
All other LED's are off.
Delime Cycle Ends
• LED's 1, 9, 12 and 13 remain lit.
• All other LED's are off.
• Steamer is off.
F35453 Rev. A (0119)
COMPONENT
Page 48 of 75
DESCRIPTION
Pressure switch (2PAS) contacts close. Solenoid
valve opens to provide air vent and allow steam
generator to drain.
K4-5/3 contacts open. Power light off.
K4-6/4 contacts open. Power removed from delime
2 (TDR).
K2-6/4 contacts open. Delime light off.
Power removed from delime 1 (TDR) input trigger,
delime 1 (TDR) remains powered thru K7-5/3 N.O.
contacts to hold delime relay (K7) energized for a
delay on dropout (120VAC output from load
terminal remains on). Allows heat exchanger to
drain (along with steam generator during the 3
minute drain cycle time.
K2-5/1 contacts open. Power to cooking
compartment controls no longer locked out.