Firepower FP-80, Operating Manual

Page: 20 / 42

INSTALLATION PROCEDURES 14 Manual 0-2803
AC Input
Power Cable
L1
L2
L3
GND
Input Contactor
Unused Jumper
L2 to L2 (Storage)
A-00913
Figure 3-5 Primary Power Cable Connections -
Three-Phase Operation
Single-Phase Operation
Single-phase operation requires a 2-conductor cable
with ground.
a. Locate the single-phase jumper wire connected
between the two L2 terminal lugs on the input
contactor.
b. Move one end of the jumper wire from termi-
nal lug L2 to L3 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 3-6 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 3-7 Primary Power Cable Connections -
Single-Phase Operation
CAUTION
The primary power source, power cable, and plug
all must conform to local electric code and the rec-
ommended circuit protection and wiring require-
ments (refer to Appendix I).
3.08 Gas Connections
A. Gas Requirements
WARNING
This unit not to be used with oxygen (O
2
).
Gases: Compressed Air or Nitrogen (N2) Only
Pressure: 60 psi (4.1 bar)
CAUTION
Maximum input gas pressure must not exceed 125
psi (8.6 bar)
Flow: Cutting and Gouging - 300 scfh (141.5 lpm)