Tweco Thermal Arc TA 500 - Manual (Page 24)

Installation 2-4 Manual No 0-0470
HE 200
CAUTION
Do not attempt to run the HE 200 until the torch
leads are connected to the Control Console (steps
28-33). Refer to step 38.
NOTE
Refer to the instruction manual packed with the
HE 200 for installation instructions.
16. Add coolant supplied to the reservoir of the HE
200. Fill to the crosswires in the bottom of the
round neck.
17. The Supply and Return hoses should already
be connected per step 13. If not, connect hoses
to the correct fittings.
18. Connect 3-phase power source to the starter box
on the outside of the unit per the HE 200 in-
struction manual.
19. Connect the starter cable to the Power
Supply receptacle marked COOLANT
RECIRCULATOR.
CAUTION
The 115 VAC power from the TA-500 Power
Supply is to operate the starter of the
Recirculator only, it will not operate the motor.
Control Panel - TA-500
20. Mount the Control Panel in a convenient spot.
21. Connect the Control Panel cable (YELLOW/
ORANGE) to the upper receptacle (color-coded
YELLOW/ORANGE) on the rear of the Con-
trol Panel. The connections are keyed on each
end. Connect the other end to the Power Sup-
ply receptacle marked REMOTE PANEL CON-
TROL.
Computer Interface Option
22. To interface the Control Panel with a Computer
Control connect the Computer Interface Cable
(BLUE/ORANGE) to the middle receptacle
(color-coded the same) on the rear of the Con-
trol Panel. Figure 2-H shows the direct rela-
tionship of the Computer Interface Cable with
the Control Panel. The dotted lines indicate
input and output signals required from a com-
puter to operate the TA500 System. The Con-
trol Panel Station Select signal is optional and
must be jumpered if not used.
NOTE
Refer to the Interface diagram at the back of
this manual for a more detailed description of
the inter-connections and functions.
Control
Panel Line
No. P29
Pin No. CNC Signals
(input)
NOTE: When signals marked
are not used the lines must be jumpered
.
SW2 START
SW3
SW1
STOP
ON/OFF
Start
Stop
Station Select
Ground
42
125
118
138
119
G
2
3
6
5
8
9
7
Figure 2-H
Standoff Control
The Standoff Control Panel is shipped separately. Re-
fer to Instruction Manual for Standoff Control Installa-
tion.
Gas Connections
WARNING
Do Not Stand In Front of the Valve Outlet When
Executing Step 23.
23. Examine the cylinder valve and ensure that it
is clean and free of oil, grease and other foreign
matter. Momentarily open the cylinder valve
to blow out any dust which may be present.
24. Connect the appropriate regulator on the cyl-
inder valve. The gas supplies must be equipped
with adjustable pressure regulators capable of
being set between 0 and 60 psi (0-4.1 bar) and
of delivering 150 Standard Cubic Feet per Hour
(SCFH) of N2 and 400 SCFH of CO
2
or com-
pressed air.
Pressure regulators for use with TDC units and
specifically calibrated for use with nitrogen
(Cat. No. 9-2722) and carbon dioxide (Cat. No.
9-2759) are supplied when a TA-500 System is or-
dered. They are also available from Thermal Dynam-
ics as accessories, as are regulators for argon/hy-
drogen (Cat. No. 9-3053) and compressed air (Cat.
No. 9-3022).