NOTE: |
This |
Pro-MIG 175 WIRING DIAGRAM
specific diagram for | diagram is for |
a |
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CUSTOMER VOLTAGE RECONNECTION FOR DUAL VOLTAGE MACHINE
MACHINES ARE SHIPPED FROM FACTORY CONNECTED FOR 230V AS SHOWN. TO CONNECT WELDER FOR 208V INPUT, DISCONNECT WELDER FROM INPUT POWER, REMOVE CASE SIDE, REMOVE LEAD MARKED "H1"
FROM CR1. REMOVE TAPE SECURING H3 TO LEAD SLEEVING AND CONNECT H3 TO CR1. INSULATE UNUSED H1 LEAD FOR 300V WITH ELECTRICAL TAPE AND SECURE TO LEAD SLEEVING. REINSTALL CASE SIDE BEFORE CONNECTING INPUT POWER. RECONNECTION TO 230V IS REVERSE OF ABOVE PROCEDURE. SEE INSTRUCTION MANUAL FOR DETAILS.
WARNING
HIGH VOLTAGE can kill
Do not operate with covers removed.
Disconnect input power by unplugging power cord before servicing.
Do not touch electrically live parts
Only qualified persons should install, use or service this machine.
particular code is pasted inside the | reference only. It may not be accurate | |
| machine | for all |
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| CONTROL P.C. BOARD | J1 |
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| H2 | LS1 |
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| J1 |
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| H2 | A |
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| 1 | 2 | 3 | 4 | 5 |
| H2 |
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| N.O. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
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| 6 | 7 | 8 | 9 10 | ||
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208V/60HZ |
| CR1 | 209 |
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| 213 | 208 | 203 |
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| LATCH | |||
GAS |
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| CAVITY NUMBERING SEQUENCE | ||||||||||||
H1 |
| 541 |
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| 204 |
| 539 |
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SOLENOID |
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| ( COMPONENT SIDE OF BOARD ) | |||||||||
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| H3 |
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| WIRE SPEED | N.C. | GUN TRIGGER |
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| THERMOSTAT | ||
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| 5K |
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| (MOUNTED TO | |||
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| H1 | H3 |
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| R2 |
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| SEC. COIL) | ||||
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| (230V) | (208V) |
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| 213 |
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| 208 | 209 |
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230V/60HZ | 24V |
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| 211 |
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FAN MOTOR | H2 |
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| WINDING |
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| THERMOSTAT |
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| AUXILIARY |
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| 539 |
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| (MOUNTED TO | - |
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TO EARTH GROUND |
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| DIODE HEATSINK) |
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PER NATIONAL, LOCAL | 211 |
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| 541 | + |
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OR OTHER APPLICABLE | 214 |
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| (B) |
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ELECTRICAL CODES. |
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WIRING DIAGRAMS
on one | machines |
of the enclosure panels. | covered by this manual. |
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| N.C. |
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| A |
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| G | S1 |
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| D1 | D5 |
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| H3 | H1 |
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CASE |
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| SWITCH |
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A |
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| X1 |
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GROUNDING |
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| X6 |
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STUD |
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| CIRCUIT |
| X5 X4 |
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| H2 | X3 |
| 202 |
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| BREAKER | X2 |
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| T1 | S2 |
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| SELECTOR |
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N.A. DIODES D1,D3,D5 & D7 ARE MOUNTED |
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| SWITCH | D3 | D7 | ||
ON THE OUTSIDE HEATSINK. |
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N.B. DIODES D2,D4,D6 & D8 ARE MOUNTED ON THE INSIDE |
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HEATSINK, WHICH IS CLOSEST TO THE CENTER PANEL. |
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N.C. COMPONENT VIEWED FROM REAR. |
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N.D. BOLTED ALUMINUM CONNECTIONS REQUIRE T12837 JOINT |
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COMPOUND (DOW CORNING 340) WHEN REATTACHING. |
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| 203 | 204 | OUTPUT | |
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| CHOKE | ||
204 |
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204 |
| 204 |
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| 204 |
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D2 | D6 | 204 |
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N.D. 93,000 u f | ||||
| C1 | |||
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N.D. |
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| 40V | |
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| 203 | ||
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N.B.
D4
D8
203
203
203
203
ELECTRICAL SYMBOLS PER E1537
LEAD COLOR CODE:
+
GUN CABLE
CONDUCTOR
BLOCK
-
TO
WORK
The |
B
M20143
