•
With the contactor (CA) closed, power is sent to both the damper system relay (RS)
and the heat circuit through the chamber thermostat (F1).
•
The power will remain at the chamber thermostat (F1) until no time is left on the timer
and the buzzer (N) is energized.
8.
If the meat probe (SS) is selected the heat circuit is controlled by the temperature set at the
core temperature thermostat (indicated by the dotted lines).
•
When the temperature of the product is the same as entered, the buzzer (N) is energized
shutting off the heat circuit.
9.
While the heat circuit is energized through the timer (B8) or core temperature thermostat the
chamber thermostat (F1) controls it.
10.
With the chamber thermostat (F1) set, power is sent to the heat indicator light (H1) and the
water level control (PL).
•
When water reaches the low probe and it is grounded, the water level control (PL) will
send power to the steam thermostat (F4).
•
Until the steam thermostat (F4) is satisfied (149 degrees Fahrenheit at the vent pipe)
power will be sent to the Boiler relays (RB1 and RB2), closing the RB1 and RB2
contacts.
•
This will energize the boiler ignition module (Z2). After the surface igniter, located
above the burner in the boiler burner chamber, has been energized for 4.5 seconds the
ignition module (Z2) energizes the main valve coil of the gas valve (S4).
•
The timer (TE) is energized and after 8 seconds the HI coil of the gas valve is
energized from the timer (TE).
•
The burner circuit will remain energized until the unit cycles.
11.
The condensate solenoid (S5) is controlled by the condensate thermostat (F5).
•
When the temperature in the drain exceeds 158 degrees Fahrenheit it closes and the
condensate solenoid (S5) is energized.