Thermo Scientific
5-1
5
Operation
Initial Start-up
1. Check to ensure that furnace is properly wired. Refer to the
2. Apply power to the furnace by closing the power circuit breaker on the base of
the furnace.
3. Lower the door and make sure that it is fully closed. A safety disconnect switch
is provided to turn power off when the door is not closed. Use both handles
when opening and closing the furnace.
Thermo Fisher Scientific recommends initially running the furnace at 1100°C
for 7·10 hours in order to burn off contaminants and to form a protective oxide
layer on the heating elements.
4. Adjust controller setpoint to 1100 °C. If the furnace has over-temperature
protection (option B), set that instrument above 1100 °C. Allow furnace to run
for 7-10 hours.
The furnace is now ready for normal operation. Refer to
and the UT150 manuals for more information on the controller.
Thermo Fisher Scientific recommends initially running the furnace at 1100 °C for
7-10 hours in order to burn off contaminants and to form a protective oxide layer
on the heating elements.
Idling Periods
Due to the fast heat-up and low thermal mass of the furnace, the furnace can be
turnes off when the furnace will not be in use for periods of times greater than a
few hours.
Vents
The vent provided at the top of the furnace is designed to help remove
contaminants from the furnace chamber. Whenever high amounts of
contaminants, (smoke, chemical vapors, etc.) are present, the vent should be
opened to aid in prolonging heating element life.
Содержание BF51841BC
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Страница 38: ...Correction of Temperature Overshoot 6 8 Thermo Scientific ...
Страница 42: ...Excess Temperature Option B Model Excess Temperature Controller Operation 7 4 Thermo Scientific ...
Страница 48: ...Communication Option Addresses for Multiple Controllers 8 6 Thermo Scientific ...
Страница 55: ...Maintenance Door Insulation Replacement Thermo Scientific 9 7 Figure 11 Door Insulation Replacement ...
Страница 57: ...Maintenance Right Hand Door Conversion Thermo Scientific 9 9 Figure 12 Door Hinge Sheet 2 2 ...
Страница 63: ...Replacement Parts Thermo Scientific 11 3 Figure 13 Wiring Diagram ...
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