04 sequence of operation – Tweco PakMaster 50XL Plus (CE) User Manual

Page 26

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SECTION 4: OPERATION

20

Manual 0-2780

4. AC Power Indicator

Green LED indicator will blink ON then OFF for ap-
proximately eight seconds and then stay ON after the
ON/OFF power switch is set to ON. Indicates oper-
ating power is present in the unit.

5. TEMP Indicator

Normally OFF. Yellow LED indicator will come ON
when the internal temperature sensors detect tempera-
tures above normal limits. The unit should be allowed
to cool before continuing operation.

6. GAS Indicator

Green LED indicator will come ON when the input
gas pressure is set to 35 psi (2.4 bar) or higher. Indica-
tor will be OFF when the pressure falls below 35 psi
(2.4 bar).

7. DC Indicator

Green LED indicator will come ON while the torch
switch is pressed.

C. Torch Panel Bulkhead

The torch panel bulkhead is located under the access
panel.

1. Pilot Lead Stud

Connects the pilot control wire on the torch to the unit.

2

1

3

A-01490

Figure 4-3 Torch Panel Connections

2. Control Cable Connector

Connects the torch switch to the unit. In machine torch
applications connects the torch switch on the pendant
to the unit.

3. Gas/Power Lead Connection

Connects the torch gas/negative lead to the unit.

D. Rear Panel

1. Gas Input

Input connection for air or nitrogen (N2) input.

WARNING

This unit not to be used with oxygen (O

2

).

1

2

3

A-02605

Figure 4-4 Rear Panel

2. Primary Input Power Cable Strain Relief

NOTE

Input power cable is supplied on units when or-
dered for 230V single-phase operation.

Primary input power cable strain relief for the pri-
mary power cable (see Note above) capable of han-
dling the input voltage designed for this unit.

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