CHAPTER 4: OPERATING INSTRUCTIONS
UNIFLOW
®
4 PULSED HEAT CONTROL
990-908 4-11
Section V: Operating Instructions
When the SYSTEM READY message displays after Power Up, the Control is ready for operation using
either of the following options:
Pre-Defined Reflow Profiles. For your convenience, you may quickly select a profile stored in
the Control that has been pre-defined for your most common reflow applications.
Direct Input. You may use the front panel controls to input the parameters for a reflow
application.
Pre-Defined Reflow Profiles
1. Push the PROFILE NUMBER up/down keys until the profile you
want (1 63) is displayed on the LCD screen.
NOTE:
The PROFILE NUMBER up/down keys are disabled
when any screen other than the graphic screen or data screen
displays on the LCD.
2. Set the HEAT/NO HEAT switch to HEAT. The Control is now
ready to use.
Direct Input
CAUTION
You can accidentally overwrite (erase) an existing stored profile when using the front
panel controls. Before you start Direct Input, use the
PROFILE NUMBER up/down
keys to select a profile number that is “blank” or “expendable” to prevent overwriting
a profile you want to keep.
1. Set the HEAT/NO HEAT switch to HEAT. In this position, the
Control will deliver heating energy to the thermode when you
initiate the heating cycle.
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