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Figure 3-4.2, Wiring diagram, 200 volt unit, Service manual – Hypertherm Powermax350 Service Manual User Manual

Page 39: Aintenance

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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