START-UP
4.Start-up
4.1 Introduction
After the furnace is installed and leveled correctly, the start-up may begin.
Definition of Chapter Contents:
• Pre-operation checks.
• Burn in elements.
• Tube installation.
• As this is a general start-up procedure for diffusion furnaces, some items are
optional. These items are also marked as optional in the following sections.
NOTE: the start-up of the system is the AMTECH/tempress -field-service
engineersresponsibility.
In case of emergency or system failure, press the EMO-button for a complete system
power down. These red EMO buttons are placed on the upper front of the Remotes
Control Console or loadstation and on the back of the furnace (Optional).
4.2 Start-up
Materials requirement:
• Quartz wool.
• Digital Voltmeter (=D.V.M.).
• Accurate room temperature meter, 1 Decimal Point (=1 D.P.).
• Propan-2-ol (I.P.A.)
• Clean room gloves.
• Clean wipes.
• Clamp type Ampere meter 0-200 Amperes minimum range.
Actual Start-up:
• Place and connect TC's. Note that red is negative. Each ceramic housing for the
thermocouple has two pairs of Thermocouples within it. The wires for each
thermocouple are twisted together.
• Adjust the Thermocouples so that they are just visible (only 2 mm) from inside the
heating element.
FURNACE REFERENCE MANUAL
4-1
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