G-3
ELECTRICAL DIAGRAMS
INVERTEC STT & STT II
R
32A
32B
15
1 6
J22
R
B
18V
32C
43A
R
U
3
18V
501
B
504
W
4
5
5
275
1
8
6
3
311
10
J6
1
212A
9
7
212
352
212B
503A
Y
301
305
245
223
8
11
3
1
3
503
2 4V
351
244
CASE
CASE
BACK
PL ATFORM
4 AMP
S
BOTTOM
S
OUTSIDE
I
Y
Y
4,5
12D
N
O
O
12
H3
H1
FAN
SLOW
12B
RIGHT
MOTOR
BLOW
H1
1
J 11
6 5
379
2
J9
CR2
H3
3
4
2W
10K
CW (MAX)
353
362
363
CONTROL
BACKGROUND
2
12
6
7
4
10
3
ASSEMBLY
INPUT
LINE
POWER
LINE
LOAD
N.L.
D
C
B
A
F
S1
POWER
OFF
W
ON
U
A
INPUT
PER
R
N.A.
V
B
B
W
C
G
C
B
C
A
B
FILTER
A
52
TRIGGER
CORE
3
1
7
5
6
8
2
4
8
7
14
12C
12D
- ARC
+ ARC
CURRENT
METER
VAC
12D
A
378
11
363
J4
CW (MAX)
11
2
2
33
44
5
6
5
359
358
2W
10KR11
3
5
377
5
6
6
TRANSFORMER
D1
O
374
N
I
O
T3
CURRENT
N
2
5
N.E.
4
371
1
3
4
3
10
J5
R
210
211A
502
246
212C
J3
6
B
Y
9
364
365
366
2
5
1
367
369
368
W
B
2
4
12
9
1
5
7
8
9
13
10
1
J28
10
11
8
9
7
5
8
10
5
3
1
4
2
4
6
6
J33
2
372
372
4
371
5
J1
6
7
J27
2
376
R
1
1
4
370
370
376
374
371
B
3
8
12
11 5 V
374
10
1
32
2
33B
8
7
33A
J26
B
3
E
R
B
W
4
290A
1
10
367A
369
.045
502
(-)
INDICATOR
J25
115
223
357
356
5
355
6
354
6
2
1
CB2
J37
403
504
TRANSFORMER
AUXILIARY
T1
AUXILIARY
T4
N.D.
TRANSFORMER
13
1
501
220-
212A
150 5W
4
0V
H3
H2
H1
H1
9A
9A
9D
9A
PROTECTION
1 3
9C
R
W
S7
RECONNECT
1
12B
12B
212C
287
43A
R
18V
4
13
359
7
14
2
356
358
355
354
357
352
16
10
351
360
15
353
361
2
1
362
244
303
303
242
302
371A
302
374A
304
304
275
305
243
2
301
4
240
241
DARLINGTON
12
52
2
12D
2
4
W
1
D3
4
S
F
5
D4
1
BOARD
3
J16
TOP
D5
5
7
DRIVER
F
1 2B
MOTOR
FAN
LEFT
H1
MOTOR
TOP
H3
FAN
H1 H3
H1
D13
RECTIFIER
TP2
TP1
-
TP3
9D
J16, J28
J34
A
N.K.
413
416
405
408
406
VAC
1
VAC
7
3
4
3
2
1
F
8
52
314
315
J13
ELECTRODE SENSE LEAD
360
367
S2
VAC
368
367A
STAINLESS
R12
42
S3
.035
INTERFACE
503
TRIGGER
MILD
378
PEAK
377
PEAK
METER
BACKGROUND
CONTROL
HOT START
CW
WIRE TYPE
2W
500K
TAILOUT
CONTROL
R14
N.J.
REMOTE
1
5
407
2
6
6
3
115
350
J35
9
12
11
6
J17
J23
J24
METER PINOUT (VIEWED FROM BACK OF METER)
ELECTRICAL SYMBOLS PER E1537
W
18V
N
J2
2
J23
Y
380-
4
415V
H3
1
H2
H3
230V
200-
208V
N.M.
BACK
FOR SINGLE PHASE INPU T: CONNEC T GREEN LEAD TO GROUND PER N ATION A L E LECTRIC CODE.
6V
10V
J24
18V
T HERMOSTAT
COLOR CODE:
U
FAN
U
Y
WRA P RED LEAD WITH TAP E TO PROVIDE 600V. INSUL ATION.
J26
CONNEC T BLACK & WHI T E LEADS TO SUPP LY CIRCUI T.
B = BLACK
CASE
TR AY
G = GREEN
N = BROWN
FRONT
NOTES:
O = ORANGE
R = RED
W = WHITE
N.A.
J25
Y = YE LLOW
U = BLUE
1. FOR MACHINES SUPPLIED WITH INPUT CABLE
N.M. PRESEN T ON EUROPEAN VERSIONS, CODE 10383 AN D HIGHER.
FOR SINGLE PHASE INPU T: GROUND MACHINE PER NATIONA L AND LOCAL ELECTRICAL CODES.
CONNEC T TERMINALS U, V & W TO SUPP LY CIRCUI T.
CONNEC T TERMINALS U & W TO SUPP LY CIRCUI T.
FOR THREE PHASE INPU T: GROUND MACHINE PER NATIONA L AND LOCAL ELECTRIC A L CODES.
N.B. SINCE COMPONENTS OR CIRCUITRY O F A PRINTED CIRCUI T BOARD MAY C HANGE WITHOUT AF FECTING
COMPONENTS OR CIRCUITR Y H AVI NG A COMMON CODE NUMBER.
THE INTERCHANGEABILIT Y OF A C OMPLETE BOARD, THIS DIAGRAM MAY N O T SHOW THE EXACT
CONNECTION SHOWN IS FOR 440-460V O PERATION.
N.D. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VO LTAGE.
N.E. D1 THRU D5 OUTPUT DIODES ARE A M ATCHED SET.
D7 THRU D 11 OUTPUT DIODES ARE A M ATCHED SET.
9
N. F. R1, R9 BLEEDER RESIST ORS ARE A M ATCHED SET.
J21
1
N.G. C1, C2 CA PACITORS ARE A M ATCHED SET.
P21
2
PINOU T OF FRON T PANE L CONNECT ORS (REAR VIEW)
3
4
3
5
J29. J31
2
CONNECTION SHOWN IS FOR 380-460V O PERATION.
6
N.H. PLACE SWITCH IN APPROPRIATE POSITION FOR INPUT VO LTAGE.
1
6
N.I. DENOTES A T WISTED WIRE PAIR OR GROU P.
1
5
P29, P31
2
4
3
J30
4
3
5
2
6
1
P30
6
1
1
5
J22
9
FOR THREE PHASE INPU T: CONNEC T GREEN LEAD TO GROUND P ER NATIONA L E L ECTRIC CODE.
2
2
4
3
2
N.K. NO T PRESEN T ON EUROPEAN VERSIONS, CODE 10309 AND HIGHER.
4
1
10
5
3
11
4
6
12
N.L. PRESEN T ON EUROPEAN VERSIONS, CODE 10309 AN D HIGHER.
4
13
8
3
14
P22
15
8
16
7
6
5
16
4
15
3
14
2
13
1
12
11
1 0
7
J38
J19
N.J. NO T PRESEN T ON EUROPEAN VERSION.
2. FOR MACHINES NO T SUPPLIED WI T H INPU T CABLE
CONNEC T BLACK, RED & WHI T E LEADS TO SUPP LY CIRCUI T.
J39
1 2 3 4
3 10
309
310A
3 10
3 09A
309A
3 10A
2
6
J7
224A
1 0
2W
309
INSIDE
12B
25W
+
2200 F
C1
-
BOARD
25
450V
R4
(RIGHT)
3
4
1
5
307
2
3
6
308
J10
8
9 D
4
52
52
2
B
2
9
J34
J36
C4
2W R3
1 0
.001/400
N.E.
5
W
12C
12A
S
F
OUTSIDE
TOP
CHOKE
BOARD
3
12A
J12
J8
14
N.H.
BOARD
224
R
310
J15
316
9B
9B
12B
401, 403
1, 8
8
371
J22
51
12B
12B
TOP
12B
.001/400
CR1
25 2200 F
450V
9A
25W
-
+
53
9A
+
N.G.
9
R6
12A
R7
12A
12
R W
R W
401, 403
402, 404
(LEFT)
BOARD
SWITCH
1, 8
25W
25
4, 5
I
21
WIRE
81
82
GND
4
2
42
41
FEEDER
32
31
J39
N
B
H
L
M
42
414
B
H1
+
C
4
3
2
J
A
8
12
TRANSFORMER
C8
288
4
2 3 0 0W
289
R16
288A
SENSE
C2
L3
4
MAIN
1
3
289A
2 0/40 0
D11
T2
2
J18 4
F
S
4
313
3
3
2 J14
210A
210
THERMOSTAT
CHOKE
FAN
C ASE
BOTTOM
1
1
S
I NSIDE
F
BOTTOM
D9
BOTTOM
D10
1
14
311
53
3
4
33C
N
J30
33
1
2
6
6
224
H6
H4
A
440-
460V
A
5
9
J31
42V
H5
H4
11 5 V
J21
R15
C
E
2 3 0 0W
G
J38
409 A
412 D
404
CURRENT
F
411
291
H
GND
B
MODULE
B
R
DRIVEBOARD
14
317
9
9B
9B
402, 404
+
N.G.
N.F.
R5
25
25W
25W
7500
R
9
9B
SWITCH
G3136
INLINE CONNEC TOR CAVIT Y NUMBERING SEQUENCE
(VIEWED FROM WIRE SIDE OF CONNEC TOR)
DARLINGTON
E
B
B
402
W
401
W
C
J
410
10K
PB
10K
OPTIONAL
D
CB1
C
76
75
6AMP
F
G
43B
42
9A
9D
9C
3
4
5
BOARD
POWER
8
309
7
308
307
W
1 4
THERMOSTAT
W
HEATSINK
J22
503A
DARLINGTON
503B
242
243
241
240
374A
371A
11
211A
9
350
5
R1
25W
7500
N.F.
D7
D8
R2
1
2
W
D2
C3
3
53
14
J10, J13,
J15, J35
J3, J9,
J2, J36
J4, J17
(VIEWED FROM COMPONEN T SIDE OF BOARD)
J5, J7,
E
1
I
3
4
77
K
Y
R13
(+)
10K
2
2W
CW (MAX)
3
361
CONTROL
366
503A
WIRE SIZE
THERMAL
OVERLOAD
364
365
7
6
8
5
16
13
15
14
4
12
11
CONTROL
CURRENT
BOARD
415
31A
33D
6AMP
4
6
246
245
212
2
SHROUD
212B
32C
33C
D12
313
J6, J27, J33
J18, J37
J 11 , J12, J14
P.C . BOARD CONNEC TOR CAVIT Y NUMBERING SEQUENCE
J1, J8,
BG
SENSE
(-)
VOLTAGE
CONNECTION
(+)
2
1
J19
290
PROTECTION BOARD
REMOTE
288B
TOROIDAL
289B
374
3
51
H5
6
51
9B
N.L.
D-RW
G-3
R
e
tu
rn
to
S
e
c
ti
o
n
T
O
C
R
e
tu
rn
to
S
e
c
ti
o
n
T
O
C
R
e
tu
rn
to
S
e
c
ti
o
n
T
O
C
R
e
tu
rn
to
S
e
c
ti
o
n
T
O
C
R
e
tu
rn
to
M
a
s
te
r
T
O
C
R
e
tu
rn
to
M
a
s
te
r
T
O
C
R
e
tu
rn
to
M
a
s
te
r
T
O
C
R
e
tu
rn
to
M
a
s
te
r
T
O
C
Wiring Diagram - Entire Machine - Codes 10381 - 10383 - (G3136)
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.
