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MODEL C24EA - ELECTRICAL OPERATION
F35453 (July 2008) Page 48 of 68
Relay (K9), Cavity ...................... Controlled by lower cooking compartment timer. When timer is
set, relay is energized and power is provided thru K8-1/5 N.C.
contacts to cavity condensate solenoid and heat exchanger
relay (K11). Heat exchanger element (2) energized.
Relay (K11), High Limit .................. Controlled by high limit thermostat (2TAS). Relay is energized if
high limit thermostat opens. When high limit closes, relay
remains energized thru K11-5/3 contacts until power is removed
from steamer.
COOKING COMPARTMENT CONTROLS
The upper section of the steamer consists of two separate cooking compartments. Each compartment functions
independently with its own set of controls. Power is supplied to the compartment controls after steam generator
reaches operating pressure.
Switch (1S), Power ..................... Controls 120VAC to steam generator control circuit in the on
position. The switch must be in the off position to provide
120VAC to power delime control circuit.
Switch (2S), Delime ..................... Controls 120VAC to initially energize delime control circuit
(momentary on). Press and hold switch for approximately 2
seconds to energize external time delay relay and start delime
cycle.
Switch, Door .......................... Plunger activated switch wired in series with timer. When switch
is closed and timer is set, regulating contactor(s) are energized
after ready light is on (pressure switch 1PAS satisfied).
Timer, Cooking ......................... Used to set cooking time between 0-60 minutes or select
constant steam. When timer is set, energizes the steam
solenoid valve to allow steam into the cooking compartment.
When time expires, energizes buzzer until timer is turned off.
Buzzer ................................ Creates audible signal when timed cook cycle is complete.
Lamp (1LT), Ready ..................... Green (GN) colored lamp. On when door is closed and steam
generator is pressurized (pressure switch 1PAS operated).
Lamp (2LT), Cook ...................... Red (RD) colored lamp. On when door is closed and timer is
set.
Lamp (3LT), Power ..................... Amber (AM) colored lamp. On when power switch is on and
steam generator high limits are closed.
Lamp (4LT), Delime ..................... Red (RD) colored lamp. On when power switch is off and delime
switch is operated.
Solenoid, Compartment Steam ............ When energized by timer, steam solenoid opens to allow steam
into cooking compartment (normally closed valve).