Lincoln 3240-2 Convection Oven User Manual


 
Impinger X2 – Digital Service Manual – Dom & Int’l
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2. To initialize a new control, hold the two center buttons in, then turn unit on.
Release buttons.
A. Select the correct oven model number (e.g. 3240, 3262, or 3270) by toggling the UP or DOWN
buttons. When correct model # is selected, press the TEMP button to store.
B. Select the proper belt configuration for this oven by toggling the UP or DOWN buttons. Press the
TEMP button to store.
C. Allow control sufficient time to update programming. Shut off main fan switch. Initialization of control
is now complete.
3. Set digital control for proper temperature scale – F or C
A. Press and hold the 2 RH buttons to enter Sub-Level program. A prompt will be displayed
“Technicians Only.” After a couple of seconds a second prompt will say “Please Release
Buttons.” After releasing the buttons, quickly press the TIME button and the UP button to enter the
program. After Sub Program Menu is displayed, press and release the TEMP button. Pressing the
UP or DOWN buttons will toggle choices between F and C. After desired scale is selected, allow
control to go into normal run mode.
B. Press and hold the 2 RH buttons to enter Sub-Level program. A prompt will be displayed
“Technicians Only.” After a couple of seconds a second prompt will say “Please Release
Buttons.” After releasing the buttons, quickly press the TIME button and the UP button to enter the
program. After Sub Program Menu is displayed, press temp. button in steps until BANDWITH
appears. Adjust with the UP and DOWN buttons to a BANDWITH setting of 6. Press the TEMP
button in steps until THE CUTOUT VOLTAGE appears. With the UP and DOWN buttons, adjust THE
CUTOUT VOLTAGE to 3.0. Press the TEMP button in steps until THE CUT IN VOLTAGE appears.
With the UP and DOWN buttons, adjust THE CUT IN VOLTAGE to 4.5.
4. Set bake time and oven temperature – Set Point Menu
A. Press and hold the 2 LH buttons to enter Set Point program. Once in Set Point program, press TEMP
button and adjust temperature using up or down arrows. Press TIME button while still in Set Point
program and adjust time using the UP or DOWN buttons. Pressing TIME or TEMP button will show
the respective setting. Once desired settings are programmed, allow control to go into normal
running mode.
B. While in this mode, continue to press the TIME button to toggle between different conveyors.
5. Adjust temperature offset – Sub Program Menu
A. Follow the instructions in Step 3 to enter the Sub-level program. After Sub Program Menu is
displayed, pressing the TEMP button will access the following temperature features:
SCALE (F or C), HI TEMP, LOW TEMP, OFFSET (+ or -), MANUFACTURE MODE (Inactive or
Active).
DO NOT change SCALE after it has been set in step 3A or settings will reset to default
values.
B. To adjust the temperature offset, access the OFFSET display in the Sub Program Menu. If cavity
temperature is above the set temperature, decrease (down button) the offset value. If cavity
temperature is below the set temperature, increase (up button) the offset value. The amount of offset
needed should be the difference between the cavity temperature and the set temperature. Allow
oven to reach set temperature and verify cavity temperature. Readjust offset as necessary.
C. HI TEMP and LOW TEMP are not normally changed unless requested by the customer. Accessing
these displays and pressing the UP or DOWN buttons will change each indicated setting accordingly.
D. MANUFACTURE MODE is not normally used, therefore, this feature should be set to “clear.”
E. While in the Sub Program Menu, pressing the TIME button will access the time features:
HI TIME and LOW TIME. These are not normally changed unless requested by the customer.
Accessing these displays and pressing the UP or DOWN buttons will change each indicated setting
accordingly.