Tweco 3000 Merlin - Manual (Page 32)

INSTALLATION 3-14 Manual 0-2532
E. Optional Gas Control Connection
The optional GS3000 Gas Control allows the connection
of various multiple plasma and secondary gases to be
connected to the Power Supply. The proper plasma and
secondary gas is selected with switches on the front panel
of the Gas Control Option.
NOTE
The secondary selection switch on the front
panel of the Power Supply must always be
set to GAS for all secondary gases when the
Gas Control Option is installed.
1. Connect the Gas Control control cable to the con-
nector marked GAS CONTROL (J63) on the rear
panel of the Power Supply.
2. Connect the other end of the cable to the Gas
Control Option rear panel.
NOTE
Refer to the Gas Control Instruction Manual
0-2477 for more information on the GS3000
Gas Control Option.
OUTPUT TO CONTROL CONTROL
MODULE MODULE
AIR PLASMA INPUT INPUT
N 2 PLASMA INPUT INPUT
O 2 PLASMA INPUT INPUT
PLASMA GAS
Ar/H 2 PLASMA INPUT INPUT
Cable From
Gas Select Option
GAS CONTROL
Connector (J63)
A-01003
Figure 3-20 Optional Gas Control Interface
Connection
3.13 Lifting Options
WARNING
Do not lift the power supply by the handles.
CAUTION
Do not lift a power supply equipped with a cyl-
inder rack running gear.
The recommended method for lifting the power supply is
to use a forklift per the following procedure:
1. Approach from the front or rear of the unit.
2. Place the forks between the rear wheels or the
front casters.
3. Center the forks under the unit and carefully check
for proper balance before lifting.
Approach From Front Or Rear
Do Not Lift From Sides
A-00873
Figure 3-21 Lifting the Power Supply