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6
Circuit Breaker
There is a circuit breaker on the left-hand side of the rear panel, please turn it ON
prior to the operation.
3 Power Switch
There is a power switch on the front panel, please turn ON after turning ON the circuit
breaker.
4 Security Key Switch
A key switch is provided to prevent unauthorized access to the profile parameters and
the profile storage memory. The key must be in place and turned in the clockwise
direction “ON” before starting the oven or changing a profile. The key can only be
removed in the “OFF” position. Two keys are provided. One key is a spare, please
keep it in a safe place.
5 Display Contrast
The display contrast is adjusted by turning the round knob next to the display.
6
Nitrogen connection & Operation Procedure (Please refer to Illus. 1)
I.
Attach the Nitrogen source(0.5 1 /
2
) to the Nitrogen input port on the rear
panel of the oven.
II.
Be sure that Nitrogen switch is set in the up position on the rear panel of the
oven.
III.
Start the temperature profile running and the Nitrogen valve within the oven
can be heard to activate and Nitrogen is then released into the oven heating
area. The LED (GAS VALVE) on the front panel should light.
Note:
The nitrogen valve will open at the beginning of the profile (Preheat 1). To allow
enough time to purge the oven, Preheat 1 should be set for 3 to 4 minutes.