Despatch LCC1-87NV-2 - Manual (Page 31)

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7.
After heating cycle is complete, turn the heater toggle switch to the OFF position.
Do not turn the power off until the oven chamber temperature is below 100 C
(212 F).
Shut Down
1.
Push the heater switch to OFF after the heating cycle is complete.
2.
Do not turn the power off until the oven temperature is below 150 C (302 F). If
the oven is turned off before it is properly cooled, the fan shaft and motor
bearings may become overheated, shortening the life of the motor.
3.
Turn the nitrogen control valve to OFF (nitrogen models).
4.
Turn off the water supply to the cooling coil or the valve on the face of the
optional cooling water flowmeter (nitrogen models).
5.
Push the POWER switch to OFF.