Filter
Top Products
ELECTRICAL DIAGRAMS
G-2
PRECISION TIG® 225
WIRING DIAGRAM - COMPLETE MACHINE - ALL CODES (G5646)
R
CLEVELA
N
D , O
HI
O
G5646
A
S
CR
4
S
CR
2
S
CR
1
D
C
B
A
R
EAR GANG
L1
ELEC
TRO
DE
T3
NC
N
O
MI
CRO
-SWI
TC
H
T2
L2
L3
C3
S
CR
3
H1
H
G
311A
312A
OP
EN
CLOS
ED
C
LOS
E
D
G4
216
G3
2
1
8
G2
G1
217
220
AC
E
F
PC BO
ARD
CO
NT
R
OL PC BOA
RD
D1
S2
SV1
GAS
V
AL
VE
S2
A
BYPA
S
S/
STABI
LIZER
H1
X1
X2
R 222
W 221
WO
RK
R2
ARC
STARTER
A
S'BLY
237
C4
R3
235
J3
236A
SP
ARK
GAP
284A
285A
AC
DC+
D
C-
A-C, D-E
,
B-F
B-D, C-E
,
A-F
,
G-H
B
-D, A-
E
,
C
-F,
G
-H
POL
AR
ITY SWI
TCH
M
ICR
OSWI
TCH
(
REAR V
IEW,
SHOWN IN AC POSITION
)
115V
AC
18V
AC
18V
AC
78V
AC
T1
POL
ARITY
SWITCH
H3
H2
H3 (
HIGH
)
H2 (LO
W)
L4
POS
X4
X5
X
3
X
6
X7
X8
C2
C
1
201
204
2
09
210
231
2
32
AUTO
BALA
N
CE
LED
PULSE
F
REQ
LED
AC
B
ALA
N
CE
CO
NTRO
L
PULSE
CO
NTRO
L
POS
TFLO
W
CO
NTRO
L
ST
IC
K LE
D
T
I
G
LED
DIGITAL
DISPLAY
T
HER
M
A
L
LED
OUTPUT
CO
NTRO
L
M
ODE
S
W
I
TCH
B
(
L1
)
W
(L2
)
P
OWER
SWITCH
S1
G
FAN
115V
AC
+
(
)
(
)
_
DC
1
15V
A
C
238
239
210
209
201
313
314
1
2
3
4
6
5
7
11
12
R
222
W 221
1
2
89
10
RECEPTACL
E
C
A
B
B
10K
A-B
F
E
D
C
AT
MI
NI
MUM
D
REMO
TE
TM
AMPTROL
O
PTIONAL
A
E
REMO
TE
J2
J1
A
1
J5
2
3
4
5
6
C
B
D
E
216A
2
4
0
L5
204
2
36
231A
2
60
R4
220A
245
R
5
2
18A
244
T
RI
G
GER
POWER
R1
284B
285B
285
2
8
4
AC
X2
F
R
ON
T
GANG
RG
G
G
Y
220A
218A
231B
J4
3
1
1
312
245
244
216A
240
314
S4
CHOKE
313
S
EE RATING
P
LAT
E
FOR SPECIFIC VOLTAG
E
S
2
30 or 40
0
-415 or 575 V
O
LT CONNECTION
H
1 and H3 (
H
IGH
)
TO PO
W
E
R S
W
I
TCH.
208 or 38
0 or 460
VOLT
CON
NECTION
H1 and H2 (LO
W
) TO PO
W
ER S
W
ITCH.
H
3 NOT CON
N
ECTED; INSULATE.
H2 NOT CON
NECTED; INSULATE.
C1 AND C2 MUST AL
W
AYS BE CONNECTED
ACROSS TRANSFORMER PRIMARIES
VOLTAGE RECONNECTION
(AS SHO
W
N & AS SHIP
PED F
ROM FACTORY
)
B-BLACK R-RED
G-GREEN W-WH
IT
E
LEAD COLORIN
G
COD
E:
CONNE
CTO
R
PI
NNU
MB
ER
S:
VIEW
OF
CONNE
CTO
R
O
N
P
C
BO
ARD
123 7
8
14
LATC
H
EX
AM
PLE: THIS I
S PI
N
7
OF
CONNE
CTO
R
J4
COMPONEN
T
VALUE
UN
IT
S:
RE
SIS
TOR
S:
CAPAC
IT
OR
S:
OHM
S/
WATTS
MFD
/V
OLTS
J4
ELECTRICAL SYMBOL
S P
ER
E1
53
7.
4
3
2
1
235
260
G4
220
G2
G1
216
G3
218
217
1
2
3
45
6
7
8
DC
POS
S
HUN
T
X
1
236
232A
INPU
T
PLUG
(
208V/230V ONLY)
TO GROUND PER
NATIONAL ELECTRIC
CODE
285
284
G4
G2
1
2
3
4
G3
G1
P7
J7
1
2
3
J6
4
C
O
N
N
E
CT
GR
E
EN
L
E
A
D
T
O
G
R
O
U
N
D
PE
R
NA
TIO
NA
L
A
ND
LO
CA
L EL
ECT
RIC
A
L C
ODE
CO
NN
ECT
BL
A
CK
A
ND WHITE
LE
A
DS
TO S
UPP
LY
CIRCUI
T
B
(
L1
)
W
(L2
)
G
380V ANDABOVE
208V/230V ONLY
311
312
1
15
V
AC
231A
232
CB1
233
232A
231B
231
C1,C2 BY-PASS CAPACITORS, .0047/250VAC
C3
HIGH VOLTAGE CAPACITOR, .0025/10kV
C4
PHASE SHIFTCAPACITOR, 15/250VAC
C5,C6 BY-PASS CAPACITORS, .22/400VDC
CB1
20A CIRCUIT BREAKER(208V/230V ONLY)
6A CIRCUIT BREAKER (380V AND ABOVE)
D1
FREE WHEELING DIODE
L1
OUTPUT INDUCTOR (CHOKE)
L2,L3 HIGH FREQUENCY INDUCTORS
L4,L5 RF TOROID CHOKES
R1,R2 HOLDING RESISTORS, 100/100W
R3
PHASE SHIFT RESISTOR, 200/100W
R4,R5 MICRO START RESISTORS, 12/100W
S1
INPUTPOWER SWITCH
S2
POLARITY SWITCH
S2A
MICROSWITCH ON POLARITY SWITCH
S4
MAIN CHOKE THERMOSTAT
SCR1,2,3,4 MAIN POWERSCR'S
SV1
GASSOLENOIDVALVE, 115VAC
T1
MAINTRANSFORMER
T2
HIGH VOLTAGE TRANSFORMER
T3
HIGH FREQUENCY TRANSFORMER
R
ECE
P
TAC
L
E
(
BACK
V
I
EW)
C5
C6
G-2
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC