Welch Vacuum 2028 Self-Cleaning Dry Vacuum System - Manual (Page 13)

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MAXIMUM VACUUM MODE
Press MAXIMUM VACUUM button to enter MAXIMUM VACUUM mode MAXIMUM
VACUUM mode closes the valve and sets the pump to the maximum vacuum level.
To adjust the vacuum level in MAXIMUM VACUUM mode you can press the MANUAL
mode button and use Vacuum Control knob to open/close the variable valve (see manual
mode) or press the Anti-BUMPING/FOAMING button to decrease the vacuum level by
several torr.
Note: Selecting MANUAL mode while in MAXIMUM VACUUM sets the unit in MANUAL
mode with the valve in the closed (maximum vacuum) position.
Anti-BUMPING/FOAMING MODE
Press Anti-BUMPING/FOAMING button to enter Anti-BUMPING/FOAMING mode The
anti-BUMPING/FOAMING functions will decrease the set vacuum level by several torr.
Continual pressing of the Anti-BUMPING/FOAMING button will decrease the vacuum
setting an equally additional several torr, mbar or kPa.
The anti-BUMPING/FOAMING is only enabled in AUTO mode. Press once and the
vacuum decreases, press a second time and the unit goes back to MAXIMUM VACUUM.
MENU MODE
Press MENU to access all program functions
1) Repeat
2) Program
3) Setup
4) About
5) Exit
Use the Vacuum Control knob to scroll through all the MENU options. Push the Vacuum
Control knob to select a highlighted MENU option
- 1) REPEAT
Repeat displays the previous run vacuum setting or program number. Use the Vacuum
Control knob to scroll to the Repeat option and press to repeat previous setting.
Note: The Repeat option is quickly accessible in VENT mode by pressing number “0”.