Vulcan-Hart C24EO3 Service Manual page 21

C24EO SERIES ELECTRIC COUNTERTOP STEAMERS - ELECTRICAL OPERATION
B. K1 N.C. contacts close and N.O. contacts
open.
NOTE: Steamer will maintain hold temperature until
a cook time is dialed on timer, door is opened, or
power switch is turned off.
4. Set cook timer to constant.
A. Timer contacts 21 & 23 close, cook light
(3LT, red) comes on.
B. Temperature controller energized and
evaluates input from thermocouple.
1) If temperature is below set point,
temperature controller internal N.O.
contacts close and energize regulating
contactor (2CON) coil thru K1 N.C.
contacts.
a. Line voltage is supplied to other
side of heating elements.
Elements heat.
5. Temperature reaches set point and the
temperature control's internal N.O. contacts
open.
A. Regulating contactor (2CON) coil
deenergized and power is removed from
heating elements.
6. Steamer cycles on the temperature control until
cook timer turned off.
7. Turn cook timer off.
A. Timer contacts 21 & 23 open, cook light
(3LT, red) goes out and temperature
controller is de-energized.
B. Steamer reverts to hold temperature and
continues to cycle until a cook time is dialed
on timer, power switch is turned to off, or the
door is opened.
NOTE: If water level becomes low during cycling, low
water thermostat (2TAS) will open and low water light
(1LT, amber) will come on and buzzer will sound.
Page 21 of 27 F25386 (0415)