Hypertherm HT4400 HySpeed Plasma Arc Cutting System - Manual (Page 126)

MAINTENANCE
5-36 HT4400 Instruction Manual
3
Pressure switch Settings
KPa
OUT1 OUT2
SE T
PG1 Plasma Pressure Switch PG2 Shield Pressure Switch
Output 1 - Plasma Cutflow (Green LED) Output 1 - Shield Cutflow (Green LED)
P1 = 30 psi P1 = 10 psi
P2 = 140 psi P2 = 140 psi
Output 2 - Plasma Preflow (Red LED) Output 2 - Shield Preflow (Red LED)
P3 = 10 psi P3 = 15 psi
P4 = 140 psi P4 = 140 psi