Tweco 1000 Merlin(Dec2004) - Manual (Page 17)

Manual 0-2708 2-3 INTRODUCTION
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 second-
ary and must be capable of delivering the following mini-
mums:
• Water pressure of 50 - 100 psi (3.5 - 6.9 bar)
• Flow of 9 gph (34 lph)
16. Overall Dimensions
Height: 40-1/2 inches (1.03 m)
Width: 20-1/2 in (0.52 m)
Depth: 30-1/4 inches (0.77 m)
17. Weight
Power Supply with Torch: 275 lbs (125 kg)
2.04 Power Supply Options and
Accessories
The following accessories are available for this Power Sup-
ply. Refer to Section 6, Parts Lists, for part numbers and
ordering information.
A. High Pressure Regulators
High pressure regulators are available for air, oxygen,
argon-hydrogen and nitrogen. The regulators are used
to set the proper pressure for the type of gas being
used.
B. 575V Transformer
This 575 VAC to 460 VAC step-down Transformer al-
lows the power supply to operate with 575 VAC three-
phase input power.
C. Standoff Control (SC11)
Optional Standoff Control automatically finds height
and maintains torch standoff with a high speed torch
lifter motor. Refer to Standoff Control (SC11) Manual,
0-2556, for more information.
D. Remote Arc Starter
Option available to remote the arc starting circuits
closer to the Torch Head Assembly. The option in-
cludes a Remote Arc Starter and Torch Supply Leads.
The Torch Supply Leads are available in 25 ft (7.6 m)
to 100 ft (30.5 m) lengths.
E. Remote Pendant Control
Control used to manually start and stop cutting op-
erations from a location up to 20 ft (6.1 m) from the
Plasma Power Supply.