Hypertherm Powermax350 Service Manual - Manual (Page 39)

3-15 Service Manual
M
AINTENANCE
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 115 VAC
V2 200 VAC
V4 170 VAC
V5, V6, V7 18 VAC
V8 24 VAC
V9 265 VDC open-circuit voltage
V10 22.5 VDC during pilot arc
V11 12 VDC
V12, V13 24 VDC
V14 265 VDC open-circuit voltage
Figure 3-4.2 Wiring Diagram, 200 Volt
V11 V12
V14
V10
Power-Up
Delay Relay
Requires 40
PSI (2.8 bar)
to close S3
V13
7-98