5-4 powermax190c Service Manual
WIRING DIAGRAMS
3
WARNING
SHOCK HAZARD: Always turn off the power and
unplug the cord or set the line disconnect switch to
Off before servicing the unit or changing consumable
parts. In the U.S., use a “lock-out / tag-out” procedure
until the service or maintenance work is complete. In
other countries, follow appropriate national or local
safety procedures.
Voltage Readings
a) Tolerance ± 10 % unless specified
b) Reference - to circuit common, lead 43 unless noted
V1 120 VAC V7 24 VAC
V2 120 VAC V8 14 VDC
V3 227 VAC V9 320 VDC (OCV on 070784)
V4, V5, V6 20 VAC V9 335 VDC (OCV on 070786)
Figure 5-3 Powermax190c 120/230 VAC Wiring Diagram
Power Supplies 070784 and 070786
Refer to Powermax190c Troubleshooting Guide in Section 3.
V9
V8
V1
V2
V7
V6
V5
V3
V4
V1
V2
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