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OV500 SERIES RACK OVEN - SERVICE PROCEDURES AND ADJUSTMENTS
A. After the desired time is set and the
Up/Down Arrows have not been pressed
for 5 seconds, the colon will start to flash
indicating the clock has continued running.
PARAMETER SETTINGS
1. Press the Power On/Off keypad to turn the
oven off.
2. Access set-up mode by pressing and holding
Start while pressing Power On/Off for 3
seconds.
3. Press Set Temp Up Arrow to select set-up
item shown in set temp display.
4. Use the Bake Timer Arrows to adjust set-up
values in the bake timer display.
5. Use the following chart to restore default
settings.
CONTROLLER DEFAULT SETTINGS
Set
Temp
Display
Set-Up Item Descriptions
Settings Shown In
Bake Timer Display
P1 Maximum temperature set point
This is the maximum temperature at which the
oven can be set.
Set for 525EF (range 50 to 525EF.)
or (10 to 274EC.)
P2 Preheat temperature
This is the default temperature set point when
the oven is first turned on (program 0). The
preheat temperature cannot be set higher than
the value in P1.
Set for 375EF (range 50 to 525EF.)
or (10 to 274EC.)
P3 Minimum temperature set point
This is the minimum temperature at which the
oven can be set.
Set for 50EF (range 50 to 200EF.)
or (10 to 93EC.)
P4 Temperature offset
This value permits an offset or correction
between the temperature probe and the real
baking chamber temperature.
Default setting 0 (range ± 50)
P5 Heat OFF offset
This value adjusts the temperature difference
between the set point and stopping the heating
system.
Default setting -2 (range ± 20)
P6 Heat difference hysteresis
This value adjusts the temperature difference
between the on temperature and off temperature
of the heating system.
Default setting 4 (range 0 to 20)
P7 Maximum steam time (in seconds)
Time set is the maximum time (in seconds) that
water is supplied during the STEAM TIMER
operation.
Set for 20 (range 0 to 30 max when
P20 set for 0 = standard) 60 max
when P20 set for 1 = restricted
operator mode)
P8 EF or EC
The oven can be set to display temperature in
Fahrenheit or Celsius.
EF
P9
Bake time mode
0= minutes, 1= hours & minutes
The BAKE TIMER cab be set up to display
minutes set/minutes remaining or hours and
minutes. Select 0 for minutes set/minutes
remaining or 1 for hours and minutes.
Set for 0
P10 Vent evacuate time (in seconds)
Time set is the time (in seconds) that the vent is
100% open at the beginning of the venting cycle.
Set for 90 (range 0 to 180)
P11 Vent open percentage
This value is the percentage the bake chamber
vent is open after the vent evacuate time has
expired.
Set for 15% (range 5 to 100%)
P12
End of bake time auto vent enable
0= disable , 1= enable
This value enables the automatic vent cycle.
Set for 0
P13
End of bake time auto vent
(in minutes)
This is the number of minutes before the end of
the bake cycle that the vent is open.
Set for 1 (range 0 to 99)
P14
Steam time in seconds or Food
Service Mode Steam Interval
0= seconds,
300 to 900= Food Service Mode
Displays steam time in seconds or operation in
Food Service Mode. The number of seconds set
is the steam interval. See FOOD SERVICE
STEAM MODE as outlined in this section.
Steam time in seconds = 0
Food service Mode (range 300 to
990 seconds)
P15 Interior light brightness
This value is the brightness of the interior lights.
The higher the number, the brighter the lights.
Set for 90 (range 50 to 100)
P16 Clock operation
This selects either 12 hour (AM/PM) or 24 hours
real time display. Press the bake time UP button
to switch between the two types of displays.
Set for A P= 12 hour AM/PM
Set for 24 = 24 hour
P17
Temperature setback time
(in minutes)
This selects the elapsed time from the last timed
bake to when the oven will lower the oven set
temperature to the value set in P18.
Set for 180 (range 10 to 180)
P18 Setback temperature
This selects the oven set temperature that the
oven will change to when the temperature
setback time has been exceeded in P17.
Set for 300EF (range 50 to 300EF.)
or (10 to 149EC.)
F25361 (January 2010) Page 30 of 60