Operation; Introduction; Section 4 Operation; Functional Overview - Firepower FP-78 Operating Manual

SECTION 4:

OPERATION

4.01 Introduction

This section provides a description of the Power Supply
operating controls and procedures. Identification of the
Front and Rear Panel components is followed by oper-
ating procedures.

4.02 Functional Overview

The Firepower FP-78 provides a degree of operating flex-
ibility and the use of simple controls.

4.03 Operating Controls

This subsection provides specific functional descriptions
of the Power Supply operating controls and indicators.
A. Front Panel
1. Control Panel
All operator controls, except gas pressure adjustment,
are located on this panel. Power ON/OFF; CUR-
RENT control; LED indicators for AC Power and
TEMP.
A-01687
Figure 4-1 Front Panel Controls
Manual 0-2700
4
5
1
2
3
2. Torch Leads Input
Torch leads boot and hole in the front panel to allow
feeding the torch leads through to an internal bulk-
head for connecting the torch leads.
3. Work Cable and Clamp
Work cable with clamp (factory installed).
4. Handle
Handle used to lift and transport the power supply.
5. Leads Wrap
Bracket connected to the Cover of the unit for use in
storing the torch, torch leads and work cable when
not in use. The torch leads and work cable wrap
around the bracket for easy storage.
B. Control Panel
CURRENT
1
A
15
ON
2
OFF
Figure 4-2 Operating Controls
1. Current Control
Adjustment to set the desired output current between
15-60 amps. For drag cutting applications set the con-
trol between 15 - 35 amps.
2. ON/OFF Power Switch
ON position supplies AC power to activate all sys-
tem control circuits. OFF position deactivates con-
trol circuits.
3. 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
operating power is present in the unit..
17
3
4
AC
TEMP
60
OUTPUT CURRENT
Drag Cutting 15-35A
Standoff Cutting 15-60A
& Gouging
A-01688
OPERATION