Tweco 1000 Merlin(Sept1999) User Manual download pdf (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.

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Tweco 1000 Merlin(Sept1999) User Manual Page 24

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