Maintenance
Thermocouple Replacement
9-8
Thermo Scientific
2. Note polarity and wire location. Disconnect the positive and negative
thermocouple lead wire extension leads from the terminal screws on the
thermocouple head.
3. Lift the thermocouple vertically out of its hole in the top insulation.
4. Replace the thermocouple and connect the new wires. Red is always negative.
(If the extension leads are black and white, white is negative),
5. Replace the furnace top access panel and replace the screws.
Figure 7. Thermocouple Replacement
Summary of Contents for BF51634BC-1
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Page 6: ...List of Figures ii Thermo Scientific...
Page 20: ...Safety Notes Standards and Directives 1 14 Thermo Scientific...
Page 48: ...Communication Option Auto Tuning the Controller 7 10 Thermo Scientific...
Page 64: ...Troubleshooting 10 4 Thermo Scientific...
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Page 69: ...Thermo Scientific 12 1 12 Error Codes This chapter is not applicable...
Page 70: ...Error Codes 12 2 Thermo Scientific...
Page 72: ...WEEE Compliance 13 2 Thermo Scientific...
Page 73: ...Thermo Scientific 14 1 14 14 Spare Parts and Accessories This chapter is not applicable...
Page 74: ...Spare Parts and Accessories 14 2 Thermo Scientific...