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Changing the Controller
CHANGING THE CONTROLLER
1. Disconnect from the power source and remove cover plate from control box.
2. Tag and remove leads from back of controller.
3. The controller is held in place by mounting brackets on either side of controller. From the rear,
loosen mounting bracket screws, remove mounting brackets and slide controller from control box.
4. To reinstall, slide controller into control box, attach mounting brackets and tighten set screws.
5. Replace electrical leads on controller terminals as per wiring diagram. Note: When attaching
thermocouple leads to controller, the negative lead wire has red insulation and the positive lead
wire has white insulation.
6. Check to be sure all electrical leads are on proper terminals and are secure. Replace control box
cover plate.
CALILBRATION INSTRUCTIONS
For calibration procedure refer to the “Controller User’s Manual”. When using a remote
thermometer to check oven temperature against controller display, be sure the thermometer-sensing probe
is placed next to controller thermocouple to achieve proper temperature reading.