Tweco XTTM-300 - Manual (Page 17)

Manual 0-2912 3-5 INSTALLATION
3.03 Oxygen Plasma Pre-Charge Unit Switch Setting
1. Turn the Oxygen Plasma Pre-Charge Unit upside down. The bottom of the assembly includes a label and a
cut-out. There is a toggle switch inside the cut-out.
2. Compare the label on the bottom of the Oxygen Plasma Pre-Charge Unit to the switches on the Gas Console.
For installations with Gas Consoles with switches as shown on the lower half of the label, set the toggle switch
on the Oxygen Plasma Pre-Charge Unit to position 'A'. For installations with Gas Consoles with switches as
shown on the upper half of the label, set the toggle switch on the Pre-Charge Unit to position 'B'. Use a pencil
or similar tool to set the switch. Do not open the Oxygen Plasma Pre-Charge Unit.
Art # A-04447
Cut-out
Toggle Switch (in 'A' Position)
PLASMA GAS SELECTOR
AIR
O 2 H35&N 2
ALL MANUAL GAS BOXES
AUTO GAS BOX VERSION
INCLUDES
INCLUDES AUTO GAS BOX VERSION
PLASMA SHIELD
O 2 N2
AUX
A
AUX
B
A
B
View of Bottom of Pre-Charge Unit
3. Turn the Oxygen Plasma Pre-Charge Unit right side up. Set the unit securely on the Gas Control.
4. Turn on the oxygen (O
2
) gas supply and check all connections for leaks.
5. This completes the installation of the Oxygen Plasma Pre-Charge Unit.