Tweco 400 XT Ultra-Cut Plasma Cutting System - Manual (Page 45)

ULTRA-CUT 400 XT
Manual 0-5275 INSTALLATION 3-23
3.17 HE400 COOLER
Used in series with the existing cooling system of the Ultra-Cut XT™ series power supplies, the HE400 Cooler provides additional
cooling when ambient temperatures exceed the units rated temperature. The HE400 fan is thermally controlled to operate whenever
the Ultra-Cut fan and pump is on and the coolant temperature is above a predetermined level. It may come on anytime while the
main pump is operating.
!
WARNING
Do not disassemble the Cooler with the power applied or the coolant flowing. Dangerous 220 AC voltages and high
pressure liquid are present.
Locate the Cooler so that there is adequate ventilation in front of and behind the unit and do not place or stack anything on top
of the unit.
2’ (0.6 m)
2’ (0.6 m)
3”
76 mm
3”
76 mm
Art # A-09623
NOTE
Ensure the four coolant lines described below are connected and leak free before connecting power to J71.