Introduction; Section 2 Introduction; Scope Of Manual; General Description - Firepower FP-78 Operating Manual

SECTION 2:

INTRODUCTION

2.01 Scope of Manual

This manual contains descriptions, operating instructions
and basic maintenance procedures for the FP-78 Air
Plasma Cutting Power Supply. Service of this equip-
ment is restricted to Firepower® trained personnel; un-
qualified personnel are strictly cautioned against at-
tempting repairs or adjustments not covered in this
manual, at the risk of voiding the Warranty.
Read this manual thoroughly. A complete understand-
ing of the characteristics and capabilities of this equip-
ment will assure the dependable operation for which it
was designed.

2.02 General Description

The power supply provides 60 amp maximum output
and includes all control circuitry, electrical and gas in-
puts and outputs, pilot circuitry, torch leads receptacle
and a work cable with clamp.
NOTE
The power supply can be ordered in various con-
figurations with various options factory installed.
Work Cable
With Clamp
Figure 2-1 FP-78 Power Supply
The power supply is designed to work with the Model
FP78-1 Hand Plasma Torches.
Torches will provide a maximum 7/8 inch (22.2 mm)
cut capacity. Hand torches are available in 70° and 90°
configurations. Torch leads are available in 20 ft (6.1 m),
Manual 0-2700
A-01679
Power Supply
Torch and
Leads
or 50 ft (15.2 m) lengths with fittings for simple installa-
tion. The torch includes a spare parts kit which provides
an assortment of replacement torch parts.
Refer to Section 2.04 for list of power supply op-
tions and accessories.

2.03 Specifications/Design Features

A. Power Supply Technical Specifications
The following specifications apply to the Power Supply
only:
1. Front Panel Controls
ON/OFF Switch and Output Current Control
2. Front Panel LED Indicators
AC, TEMP
3. Rear Panel
Input power cable with strain relief, gas connection,
Gas Regulator Assembly, optional Filter Assembly
4. Input Power
Available for the following input power:
208/230 VAC (±8%), 50/60 Hz, Single
5. Output Power
Continuously variable from 15 to 60 Amps maximum
6. Duty Cycle
40% Duty Cycle @ 120V output with 60 Hz input
40% Duty Cycle @ 120V output with 50 Hz input
7. Cut Capacity
7/8 inch (22.2 mm); 1 1/4 inch (31.8 mm) severance
8. Pilot Circuitry
High Frequency (HF), Pulsed DC
9. Weight
72 lbs (32.7 kg)
10. Overall Dimensions (with handle installed)
18.9" (480 mm) High x 10" (330 mm) Wide x 23.5"
(597 mm) Long
9
NOTE
INTRODUCTION