Tweco 1000 Merlin(Sept1999) - Manual (Page 14)

INTRODUCTION 10 Manual 0-2731
B. Requirements to Complete System
To complete the system, the user needs to provide the
following:
• Primary input power
• Gas supplies
2.03 Specifications & Design
Features
The following specifications apply to the Power Supply
only:
1. Front Panel Controls
• ON/OFF and RUN/SET Switches
• Output Current Control
• Work Cable Connection
• Torch Leads Connection
2. Front Panel LED Indicators
• AC
• TEMP
• GAS Pressure/Coolant Flow
• DC Output
3. Gas Control Panel
• Plasma and Secondary Gas Pressure Controls and
Gauges
• Plasma Gas Flowmeter
• Secondary Lo-Flow Gas Flowmeter
• Secondary Mode Selector Switch
• Secondary Water Mist Flowmeter
4. Rear Panel
• Primary Input Power Cable Strain Relief
• Plasma Gas Supply Connection
• Secondary Gas Supply Connection
• Secondary Water Supply Connection
• Dual Stage Air Filter
5. Input Power (see NOTES)
380-415 VAC (±10%), 50/60 Hz, Three-Phase
NOTES
Refer to Appendix I for suggested input wiring size,
current ratings and circuit protection requirements.
6. Output Power
Continuously variable from 30 to 100 amps (±5%)
7. Duty Cycle
100% Duty Cycle @ 130V output at 100 amps
8. Cut Capacity
Pierce and Production Rating: 1/2 inch (12.7 mm)
9 Pilot Circuitry
Capacitive Discharge (CD), Pulsed DC (See Note)
NOTE
Optional Remote Arc Starter available.
10. CNC Interface Signals
Start/Stop and OK-To-Move
11. Coolant Pressure
Internal Service-adjustable
130 psi (8.8 bar) at zero flow
120 - 125 psi (8.2 - 8.5 bar) at 0.6 gpm (2.3 lpm)
12. Coolant Flow Rate
0.5 gpm (1.9 lpm) with 150 feet of total torch and torch
leads at 70°F (21°C)
NOTE
The flow rate varies with lead length, torch con-
figuration, ambient temperature, amperage level,
etc.
13. Cooling Capacity
4,000 to 10,000 BTU
NOTE
Maximum value based on “free flow” condition.
14. Coolant Reservoir Capacity
2 gallons (Use Thermal Arc ® coolant only)
Capable of handling a total of 150 feet of torch lead
length
15. Secondary Water
Clean drinking quality tap water can be used as a sec-
ondary and must be capable of delivering the follow-
ing minimums:
• Water pressure of 50 - 100 psi (3.5 - 6.9 bar)
• Flow of 9 gph (34 lph)