Cutmaster 52, 01 front panel controls / features – Tweco 52 CutMaster User Manual

Page 29

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CUTMASTER 52

Manual 0-4961

OPERATION

4-1

SECTION 4 SYSTEM:

OPERATION

4.01 Front Panel Controls / Features

See Illustration for numbering Identification

1. Output Current Control

Sets the desired output current. Output settings up

to 60 Amps may be used for drag cutting (with the

torch tip contacting the workpiece) or for standoff

cutting.

2. Function Control

Function Control Knob; Used to select between the

different operating modes.

SET

Used to purge the air through the unit

and torch and leads and to adjust gas pressure.

RUN

Used for general cutting operations

RAPID AUTO RESTART

Allows for faster

restarting of the Pilot Arc for uninterrupted cutting.

LATCH

Used for longer hand held cuts.

Once a cutting arc is established, the torch switch can

be released. The cutting arc will remain ON until the

torch is lifted away from the work piece, the torch

leaves the edge of the work piece the torch switch

is activated again or if one of the system interlocks

is activated.

3. ON OFF Power Switch

ON / OFF

Switch controls input power to the

power supply. Up is ON, down is OFF.

4. Air/Gas Pressure Control

The Pressure

+

Control is used in the "SET"

mode to adjust the air/gas pressure. Pull the knob

OUT to adjust and push IN to lock.

5.

AC Indicator

Steady light indicates power supply is ready for

operation. Blinking light indicates unit is in pro-

tective interlock mode. Shut unit OFF, shut OFF or

disconnect input power, correct the fault, and restart

the unit. Refer to Section 5 for details.

A

+

PSI

BAR

MAX

MAX

MIN

MIN

!

1

2

3

4

5 6 7 8 9

Art# A-07886

MIN

MAX

10

6.

Temp Indicator

Indicator is normally OFF. Indicator is ON when

internal temperature exceeds normal limits. Let the

unit cool before continuing operation.

7.

Gas Indicator

Indicator is ON when minimum input gas pressure

for power supply operation is present. Minimum

pressure for power supply operation is not sufficient

for torch operation.

8.

DC Indicator

Indicator is ON when DC output circuit is active.

9.

!

Fault Error Indicator

Indicator is ON when Fault circuit is active. See Sec-

tion 5 for explanations of fault lights.

10. Pressure Indicators

PSI

BAR

MAX

MAX

MIN

MIN

80
75
70
65

5.5

85

5.9

90

6.3

5.2
4.8
4.5

Art # A-08170

The Indicators will illuminate according to the pres-

sure set by the Pressure Control Knob (number 4).

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