Vulcan-Hart VPX3 Service Manual page 16

F. Door closed (door switch closed).
G. Timer "off".
H. Cooking compartment filled to the water
level mark and below standby temperature
of 168°F (+5/-8).
2. Select "continuous" on the cooking mode
switch.
A. Internal "pilot" light (top, amber) comes
on.
B. Internal "pilot" light (bottom, red) comes
on.
C. Relay "R1" energized.
1) R1-2A & R1-2B (both N.C.) open.
2) R1-3A & R1-3B (both N.O.) close.
3. Temperature control energized and evaluates
input from thermocouple.
A. With temperature below set point, internal
relay contacts close.
1) Heater light (green) comes on.
2) Contactor energized and heating
elements are powered.
4. Temperature reaches 168°F and standby
thermostat opens.
A. Internal "pilot" light (top, amber) goes out.
NOTE: Standby thermostat does not effect
continuous mode operation and the "cook"
timer is not used.
5. Temperature reaches set point and the
temperature control's internal relay contacts
open.
A. Contactor de-energized and power is
removed from heating elements.
6. Steamer continues to cycle on the temperature
control until the cooking mode switch is turned
to off or timed; or the door is opened.
NOTE: If water level becomes low during cycling,
high limit thermostat will open and low water light
(red) will come on.
F25111 (March 2002)
VPX SERIES STEAMER - ELECTRICAL OPERATION
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