Blodgett MT2136 Series, Service And Repair Manual

Page: 26 / 94

OPERATION
3-2
ATHENA TEMPERATURE CONTROLLER WITH OPEN LOOP DC DRIVE SYSTEM
10
TEMPERATURE
ON OFF
HEAT
6
ON OFF
BLOWER
9
COOK TIME
ON OFF
CONVEYOR
1 2
ACTUAL SETPOINT HEAT
8 3 4 5 7
FIGURE 2
CONTROL DESCRIPTION
1. COOK TIME DISPLAY - Gives the belt speed.
2. CONVEYOR ADJUSTMENT KNOB - Turn to
adjust the conveyor speed.
3. ACTUAL TEMPERATURE KEY - Press to disĆ
play the actual oven temperature.
4. ACTUAL TEMPERATURE LIGHT - When lit inĆ
dicates the control is displaying the actual
oven temperature.
5. SETPOINT LIGHT - When lit indicates control
is displaying desired cook temperature.
6. HEAT LIGHT - When lit indicates that the conĆ
trol is calling for heat.
7. UP and DOWN ARROW KEYS - Used to inĆ
crease/decrease desired cook temperature.
8. HEAT SWITCH - Controls power to the burner.
9. BLOWER SWITCH - Controls power to the
blowers.
10. CONVEYOR SWITCH - Controls power to the
conveyor motor.
CONTROL OPERATION
1. Turn the manual gas valve to the OPEN posiĆ
tion. This is only necessary on initial startĆup.
2. Turn the BLOWER SWITCH (9) to ON .
3. Press the UP or DOWN ARROW keys (7) to enĆ
ter the desired cook temperature.
4. Turn the HEAT SWITCH (8) to ON .
NOTE: If the oven fails to ignite after the thirty
(30) second purge, turn the blower
switch OFF and wait 5 minutes before
turning back ON.
5. Press the ACTUAL TEMPERATURE KEY (3). If
the actual temperature matches the setpoint
the oven is ready to cook.
NOTE: The display will flash until the actual
temperature is within the preset deviĆ
ation alarm band. The default setting is
20 F of the setpoint.
6. Turn the CONVEYOR SWITCH (10) to ON . The
conveyor belt starts to move. Turn the CONĆ
VEYOR ADJUSTMENT KNOB (2) clockwise to
increase speed, counterĆclockwise to deĆ
crease speed. Turn the knobĆlock behind the
control knob to hold the desired belt speed
7. Turn the BLOWER (6), CONVEYOR (7) and
HEAT (8) SWITCHES to OFF . The Cool Down
circuit is energized. The blower motor(s) conĆ
tinue to run until the oven temperature is beĆ
tween 135-170 F (57-77 C). The digital
temperature display remains lit until the cool
down circuit deĆenergizes.
The oven will hold these parameters daily and will
require no further adjustments unless a different
product is placed in the oven.
NOTE: Each oven contains different components
and must be adjusted individually.