Miller Syncrowave 250 DX Technical Manual page 71

See Section 3-7
for RC1
information
Syncrowave 250 DX
R2
V8
V9
V10
See Section 6-8 for
PC2 information
a)
b)
c)
c)
V1
See Section 6-5
V2
for waveforms
V3
V4
V5
V11 V6
V7
V8
R3
V9
V10
V11
V12
R4/V12
V13
V13
a) Tolerance −
b) Turn Off unit and disconnect input
power before checking resistance
R1 All values for T1 are less than 1 ohm
R2 Less than 1 ohm
R3 6.1 k ohms
R4 5.1 ohms
See Section 6-10
for PC3 data
Voltage Readings
±
Tolerance − 10% unless
specified
Reference − to circuit common
(lead 4) unless noted
Reference − single arrow:
reference to circuit common (lead
42); double arrow: reference to
points indicated
Wiring Diagram − see Section 9
84 volts AC
230 volts AC
230 volts AC
115 volts AC
104 volts AC
19 volts AC
19 volts AC
+15 volts dc
-15 volts dc
+2.0 volts DC per 100 amperes of
weld output
75 volts AC open-circuit voltage
75 volts DC open-circuit voltage
115 volts AC with high frequency on
+24 volts DC with contactor on and
in GTAW mode
Resistance Values
±
10% unless specified
194 381-K
TM-359 Page 67