Tweco CE Ultima 150 - Manual (Page 25)

Manual 0-2530 19 SECTION 4: OPERATION
C. Rear Panel
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A-00824
Figure 4-4 Rear Panel
15. Quick Disconnect Torch Connector
Connects a PWH/M quick disconnect torch to the
power supply (or an older model torch that has been
retrofitted with the Adapter Kit).
16. Power Input Connector
Fitting on the rear panel through which the Primary
AC Input power cable is fed and wired to the main
circuit breaker and ground.
17. Work Cable Connector
Fitting on the rear panel which connects to the inside
of the unit. The work clamp on the other end should
be securely attached to the work piece or machine.
18. Gas Connectors
Plasma (black) and shield (yellow) gas hoses connect
from the gas solenoids inside the unit on the front
panel through the back panel of the unit to the gas
regulators on the gas cylinders.
19. Standard Remote Interface Connector (J20)
Connects any remote device with 14-pin amp plug for
remote interface to the unit. Factory-wired to connect
to the TB1 terminal strip on the Logic Board inside the
unit, for Arc on and remote weld current.
20. Interface Knock-Out
Connects user's own remote interface to the unit. User
must make own connections to TB1. (See Appendix
III, Remote Wiring, for Control Signal Assignments.)
21. Coolant Filter
Coolant Filter connects to rear of unit by a bracket.
22. Coolant Reservoir
Coolant Reservoir is accessible from rear of unit. The
user can fill the Coolant Reservoir, check coolant con-
ductivity, and replace Deionizer Bag without remov-
ing Enclosure cover.