Vulcan-Hart ML-136058 Electric Steamer User Manual


 
MODEL C24EA - CONTROL BOARD
F35453 (July 2008)Page 37 of 68
Timers Reach Zero (Upper and lower Compartments)
Buzzer sounds until timer turned to off, constant or additional time is set.
Cook lights (2LT) (red) turn off and cooking compartment steam solenoids de-energize.
Heat exchanger heating elements de-energize.
LED 3 and 4 will cycle as described under Timers Set (Upper and lower Compartments).
LED
STATUS
COMPONENT DESCRIPTION
ON OFF
1 X Same as Starting Conditions
2 X Same as Water Level at LLCO Probe.
5X
Same as Steam generator at Operating
Pressure.
6 X Upper cavity relay (K8) de-energized.
3
Upper compartment timer timed out.
7 X Lower cavity relay (K9) energized.
3
Lower compartment timer timed out.
8X
Cavity condensate solenoid (2SOL) de-
energized.
Heat exchanger relay (K10) de-energized.
Cavity drain water cooling stops.
Power removed from heat exchanger
element (1).
All other LED's are off.
Power Switch (1S) off
Power light (3LT) (amber) and ready light (1LT) (green) off.
Drain valve energized (steam generator begins draining).
Condensate thermostat closes (1TAS) and drain cooling solenoid energized (1SOL).
HL LED off until water drops below L (low level) probe then turns on (water level control).
LLCO led lit until water level drops below LLCO probe (water level control). Fast fill/flush solenoid energized.
LED 2 remains lit until water level drops below LLCO probe then turns off. Limiting contactor (1CON) de-
energized.
LED 10 remains lit during 3 minute drain cycle then turns off.
LED
STATUS
COMPONENT DESCRIPTION
ON OFF
1 X Same as Starting Conditions
5 X Relay (K1) de-energized.
Pressure switch closed (1PAS). Power
removed from cooking compartment
controls.
9X
Drain time delay relay (TDR) energized. Steamer turned off and 3 minute drain cycle
started. Drain transformer (2T) powered.
Drain valve energized and opens.
12 X
Vacuum relief solenoid (2SOL) energized. Pressure switch closed (2PAS). Allows
venting of steam generator during draining.
13 X
Delime 1 time delay relay powered. Output from delime 1 (TDR) load terminal is
not active (delime 1 circuit not powered)
until input voltage trigger is received during
the delime cycle.
Drain Cycle Ends
LED's 1, 9, 12 and 13 remain lit.
All other LED's are off.
Steamer is off.