Vulcan-Hart ECO2C, Руководство по обслуживанию

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HALF-SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS
13
ELECTRONIC CONTROL
SPECIAL KEY FUNCTIONS - To activate these
functions press the specified keys while turning the
oven on. You can not toggle between functions.
Each function has to be entered from the off
position.
NOTE: There are four hidden keys on the control.
See diagram following the table.
HOLD KEYS 1 & 3 4 & 9 6 & 8
FUNCTION Calibration Mode Change between
(
C &
(
F Display test
CALIBRATE OVEN - Perform Calibration at 350
(
F
1. Place a thermocouple near the geometric
center of the oven cavity.
2. Cycle oven until the cavity temperature stabiliz-
es. (usually 3 cycles)
3. Turn the oven off.
4. Enter the calibration mode.
5. Compare the set temperature to the measured
temperature.
6. Adjust the temperature on the display to match
the measured temperature.
7. Press key 3 to store the calibration information.
DISPLAY TEST - The control will cycle through a
continuous test until the oven is turned off. Each
segment of the displays will be lit in sequence, each
LED in order and then each digit will light.
ERROR CODES
CODES CONDITIONS
E-01 High Limit Error - Check open probe.
E-02 Low Limit Error - check for 6 VAC from transformer.
Check control pins 1-2 for 12 VAC & pins 2-3.
E-03 Control compartment ambient temperature is above 215
(
F
E-04 Control compartment ambient temperature is below 32
(
F