Hypertherm Powermax350 Service Manual - Manual (Page 37)

3-13 Service Manual
M
AINTENANCE
V13
V11 V12
V14
V10
Power-Up
Delay Relay
Requires 40
PSI (2.8 bar)
to close S3
Resistance Values
a) Tolerance
±
10 % unless specified
b) Turn Off (O) and remove input power
plug from receptacle before checking resistance.
R1 All values for T1 are less than 1 ohm
Voltage Readings
a) Tolerance
±
10 % unless specified
b) Reference - to circuit common, lead 43 unless noted
V1, V2, V3 115 VAC
V4 170 VAC
V5, V6, V7 18 VAC
V8 24 VAC
V9 255 VDC open-circuit voltage
V10 22.5 VDC during pilot arc
V11 12 VDC
V12, V13 24 VDC
V14 255 VDC open-circuit voltage
Figure 3-4.1 Wiring Diagram, 115/230 Volt
7-98