08 gas connections – Tweco PakMaster 75XL Plus User Manual

Page 20

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SECTION 3: INSTALLATION PROCEDURES

14

Manual 0-2746

Single-Phase Operation

Single-phase operation requires a 2-conductor cable
with ground.

a. Locate the single-phase jumper wire connected

between the two L3 terminal lugs on the input
contactor.

b. Move one end of the jumper wire from termi-

nal lug L3 to L2 at the contactor.

NOTE

The jumper wire from L1 to L4 must not be re-
moved.

Single Phase

Jumper Wire

(L2 to L3)

Input Contactor

A-00914

L3

L2

Figure 3-5 Single Phase Jumper Wire Installation

c. Locate the ground stud and remove the top nut

and washer.

d. Install a lug terminal on the ground wire.

e. Place the ground wire onto the ground stud

and secure with the nut and washer.

f. Insert the other two wires into the L1 and L2

terminals on the contactor.

g. Tighten all set screws.

AC Input

Power Cable

L1

L2

GND

Input Contactor

A-00915

Figure 3-6 Primary Power Cable Connections -

Single-Phase Operation

3.08 Gas Connections

A. Gas Requirements

WARNING

This unit not to be used with oxygen (O

2

).

Gases: Compressed Air or Nitrogen (N

2

) Only

Pressure: 60 psi (4.1 bar)

CAUTION

Maximum input gas pressure must not exceed 125
psi (8.6 bar)

Flow:

Cutting - 300 scfh (142 lpm)

Gouging - 300 scfh (142 lpm)

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