Troubleshooting Circuit Diagram For 1.5 Kva (110 Or 220V) And 2.5 Kva (220V) Models - Miller MSW-41 Technical Manual

6-2. Troubleshooting Circuit Diagram For 1.5 KVA (110 Or 220V) And 2.5 KVA
(220V) Models
Resistance Values
a) Tolerance −

b) Turn Off unit and disconnect plug
before checking resistance
R1 0.4 ohms (110V, 1.5 kVA models)
R1 0.8 ohms (220V, 2.5 kVA models)
R1 1.1 ohms (220V, 1.5 kVA models)
V1
MSW And LMSW Series
10% unless specified
V2/R1
Voltage Readings
a) Tolerance − 10% unless specified

b) Reference − as indicated
c) Wiring Diagram − see Section 8
V1 115 or 230 volts AC
V2 115 or 230 volts AC with S1 closed
V3 1.6 volts AC open-circuit voltage (1.5 kVA)
V3 2.5 volts AC open-circuit voltage (2.5 kVA)
V3
Test Equipment Needed:
A,B
See Section
6-5 for
waveforms A,B
162 467-B
TM-716 Page 15