U20
U22
(VISIBLE FOR 10 SEC. AFTER EVENT)
TORCH STUCK OPEN
40 POSITION RIBBON CABLE
(VISIBLE FOR 10 SEC. AFTER EVENT)
7050STATUS
GAS
45 6055 65 75 80 85
TSO
SP SPARE
0.10uF
009994
33
J4
108171
39
40
37
38
35
36
34
008924
0.01uF
100VDC
009990
TP1
IFB
ITF
VACR
C42
50V
R47
100
009073
C32
32
30
31
28
29
26
27
22
25
24
23
21
19
20
009994
HST1
+5
C2
0.10uF
50V
+5
/IOC
009115
10
R5
R4
10
009115
TEMP
PCB4
SENSOR BD
HEATSINK
SENSOR
SA
PRESSURE
1
32
BY
J5
R
TEMP
SENSOR IN
XFMR
T2
J21
2
BR
1
3
B
2
SA
FAN
Y
1
J2
1
R
2
B
J1
GAS SOLENOID
SA
B
32
R
1
J20
X
+24
10
R107
10
009115
009115
R106
+5
+5
DIAGNOSTIC LED'S
START SIGNAL VALID
INVERTER INTERLOCK
(BLINKING @ 1 SEC. RATE)
SELF DIAGNOSTICS FAILURE
PCB3
CPA
NORMAL
GOUGE
CURRENT
DOWN
MID
UP
CONTROL BD
P1
XFR
SDF
IF
TRANSFER
START
(PE)
BRN
GRN/YEL
BLK
BLU
CE UNIT
CORD
S1
J2
AUX
FILTER
PCB1
J5
(PE)
RED
GRN
AUX
DOMESTIC UNIT
BLK
WHT
S1
CORD
3
107
11
18
17
15
16
13
14
12
10
8
9
6
7
4
5
D8C20
50V
0.10uF
009994
5.1V
1N5231B
109109
OUTB
R16 R6
009883
1/2W
2.21K
009414
499
009036
OUTA
8
+V
7B
-V
7C
9
R12
2.0K
3
1
109223
55V
IRLZ44N
0.022ohm
C10
0.10uF
50V
009994
2
/MM
+24
Q1
2
3
1
J3
B
Y
1
+24
PE
2
MTG-9
1
3
2
4
5
6
3B 3C
4B 4C
6B 6C
5C5B
13
12
11
1C1B
2B 2C
16
14
15
042188
ULN2003A
U2
/PREFLOW
/SSR
/PA
t
60V 0.20A
RT9
109024
BRIDGE
~
-
~
~
D24
INPUT
+
GND
CONTROL
-6
COMT
18REG
18T
-6INV
18INV
FLYBACK
SUPPLY
POWER
SYSTEM
T1
18PA
COMPA
+5
+10
+24
PE
CKT
PFC
CONTROL
POWER BD PCB2
SOFT START
K1, K2
VacR I Vbus
1
3
2
J8
PFC
IGBT
Q14
C92
+
2
1
J6
3
2
Vbus
J9
PFC CHOKE
C100
+
J7
1
POWER
TRANSFORMER
30 OHM
YEL
J13
YEL
P2
100W
BRN
BRN
INVERTER
IGBT
Q13
T2
ITF
SENSOR
J19
/MM
+24
4
3
COMT
18T
2
1
12
10
11
INTERFACE
GND
CHASSIS
BLK
GRN/YEL
YEL
12
13
14
MACHINE
START
WHT
RED
3
4
CAP
1
COMT
8
9
6
7
4
5
2
3
J18
J17
CKT
J14
WHT
RED
NOZZLE
ELECTRODE
WORK LEAD
TRANSFER
IFB
CURRENT
SENSOR
FEEDBACK
J12
IGBT
PILOT ARC
NC
INDUCTOR
OUTPUT
B
R
OUTPUT
DIODES
J11
15 ohm
100W
129775WIRE GROUP 129772
123603
005259
NA
041783
POWER SWITCH (S1)
MACHINE INTERFACE CABLE
POWER BD (PCB2)
FILTER (PCB1)
CONTROL BD (PCB3)
123603
041779
005259
041783
041790 041790
100 AMP UNIT
1.41 X Vac
200-600vac
750
INPUT VOLTAGE
Vbus (Vac>541vac)
Vbus (Vac<540vac) 750
NA
059266(DOMESTIC) 059267(CE)
3PH
230-400vac
3PH
TEMP SENSOR BD (PCB4) 041789 041789
TIMING DIAGRAM 013353 013353
LOCKOUT
VIO
ORG
BLUE
NOTES:
1. PIN 7 IS KEYING FEATURE
2. PIN 9 IS LOCKOUT FEATURE
6
5
+
-
+24
24VDC @100MA MAX
J1
J3
J4
J6
129773
7.5 ohm
100W
009115
R9
10
C12
0.10uF
R
15 ohm
100W
KEY
J10
HST
013352
ELEC SCHEM:100A SYS
1 OF 1
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