Tweco 1000 Merlin(Sept1999) - Manual (Page 24)

INSTALLATION PROCEDURES 20 Manual 0-2731
f. After the system stays operational allow the
pump to operate for ten minutes to properly
purge any air from the coolant lines before us-
ing the system.
6. Remove the filler cap, re-fill the reservoir, place the
deionizer bag into the basket in the coolant reser-
voir and re-install the filler cap.
3.09 External Cable Connections
Depending on the options installed the Control Cable
must be connected to the Power Supply.
A. CNC Interface Cable
NOTE
Used when Standoff Control SC11 is not used.
The computer control interface (CNC) allows the
Power Supply to interface with a computer or other
control device.
Connect the supplied Power Supply/CNC Cable to
the Power Supply Torch Bulkhead connector.
NOTE
Refer to Appendix VI for CNC Interface Signal
Diagram.
A-02167
Control Cable
Connector
Standoff Control or CNC
Interface Cable
Power Supply
Torch Bulkhead
Figure 3-10 Control Cable Interface Connection
B. Optional SC11 Standoff Control Cable
The Standoff Control automatically finds height and
maintains torch standoff with a high speed torch lifter
motor. The unit consists of a remote operator’s con-
trol, torch lifter motor, and all cables required for in-
stallation. It is ordered and shipped separately.
NOTE
Refer to the SC11 Standoff Control Instruction
Manual, 0-2556, for more information.
The standoff control remote cable connects to the
Power Supply Torch Bulkhead connector.
When the Standoff Control SC11 is used with this sys-
tem the CNC Interface Cable is connected to the Stand-
off Control SC11. All Plasma Power Supply signals
are interfaced through the Standoff Control SC11.
C. Remote Hand Pendant
The Remote Hand Pendant allows the operator to start
the cutting operation from a remote location.
Connect the Control Cable attached to the Remote
hand Pendant to the Power Supply Torch Bulkhead
connector.
3.10 Lifting Options
WARNINGS
Do not touch live electrical parts.
Disconnect input power conductors from de-ener-
gized supply line before moving unit.
The recommended method for lifting the power supply
is to use the built in lifting eye located in the Top Panel.
The unit may also be lifted using a forklift per the follow-
ing procedure:
1. Approach from the front or rear of the unit.
2. Place the forks between the rear legs or the front
legs.
3. Center the forks under the unit and carefully check
for proper balance before lifting.
WARNING
FALLING EQUIPMENT can cause serious per-
sonal injury and equipment damage.
• Do NOT pull power supply by torch leads.