Installation; Connecting The Power Source To The Power Supply; Power Supply; Preparing For Use - Air Liquide FRO PRACTIC 191/2 User Manual

4.0 INSTALLATION

IMPORTANT: Always read chapter 1.0 SAFETY
STANDARDS carefully prior to connecting, pre-
paring or using the equipment.
4.1 CONNECTING THE POWER SOURCE TO THE

POWER SUPPLY

THE FOLLOWING OPERATION MUST BE
PERFORMED BY A QUALIFIED TECHNICIAN.
BEFORE CONNECTING THE POWER SOURCE,
check that the power supply corresponds to
machine Amp and voltage specifications (see
technical data table).
Always earth the equipment using the YELLOW-
GREEN wire.
Any extension cords connected to power wiring
must be at least equal to the machine wiring size.
CHECK that the socket is sufficiently protected
by fuses and circuit breakers.
Connect an approved type plug to the machine
power leads commensurate to the machine type.
4.2 POWER SUPPLY
The preset power supply specifications of the
machine are shown on the adhesive label near
the power supply cable, as well as on the table
on the power source.
4.3

PREPARING FOR USE

In concomitance with the critical conditions of
the mains supply, the power supply to the wel-
der could cause interference to the supply of
other electrical equipment in the vicinity.
Always assess the extent and consequences of
interference (e.g. to computer and general
electronic equipment malfunctioning) prior to
commencing work.
INSTALLATION
5.0 DESCRIPTION OF FRONT PANEL
CONTROLS
FRONT PANEL
FIGURE 1.
1 2
2
1
1 Machine overheating indicator lamp.
2 Power button. / Power switch
Welding tension regulation switch
3 Welding tension regulation switch
4 Spot welding time control potentiometer.
5 Control potentiometer to regulate time during
which welding power is maintained after the
relative shutdown signal.
6 Wire feed motor acceleration time control
potentiometer.
7 Wire feed speed control potentiometer.
4
5
6
7
4
3
5
6
7
GB
23