Tweco PC-500 - Manual (Page 54)

APPENDIX A-6 Manual 0-4601
APPENDIX 6: SYSTEM SCHEMATIC
1
1
2
2
3
3
4
4
5
5
A
B
C
D
E
F
+18V
+18V
+12V
+18V
(2)
230V
THRU S CREW TERMINAL
SE
C
TO B IAS SUPPLY
MAIN BOARD
ASSY 19X2001
ON/OFF SW
CHASSIS
GND
CURRENT
CONTROL/
LED PCB
19X1604
W 1
CHA S SIS GND
W 1
(1)
PR
I
S W1
IGBT
HEATSINK
TEMP
TS2
INDUCTOR
TEMP
NTC
P IP
TORCH SW
P23 J23 TS1
J14
FAN1
M1
J26 P26
P8 J8
INP UT DIODE
A S S Y 19X2073
MAIN TRANSFORMER
E 14
J5
TEST
CONN
J4 P4
W1
PS1
SOL1
GAS
SOLENOID
PRESSURE
SWITCH
MAIN
CONTACTOR
T5
J22
J9
A TC CONNECTION
CONFIGURATION
208 / 230V
INPUT
CLOS ED WHEN
P RE S SURE OK
(FILTERING)
F1 (6/10A 600V)
T1
K4
K4
(E34)
(E17)
TEMP
AC
GAS
DC
CURRE NT ADJUST:
20 - 40 AMPS
S ET
RUN
S W2
21
22
23
D8
A S S Y 19X2000
P1
INV ON
24
25
26
27
28
29
30
31
32
33
34
35
36
(RED)
4
5
3
6
7
12
9
15
10
14
16
13
19
20
17
18
11
8
1
2
LOGIC
J1
4
5
3
6
7
12
9
15
10
14
16
13
19
20
17
18
11
8
1
2
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
2
1
2
P2
1
4
2
3
J2
1
4
2
3
8
6
7
1
4
5
2
3
8
6
7
1
4
5
2
3
+ 12V
P OT LOW
OV E RTEMP
P OT WIPER
P OT HIGH
DC
GAS
AC
J3 P3
(25)
(24)
(21)
(22)
(23)
(26)
8
6
7
1
4
5
2
3
8
6
7
1
4
5
2
3 28VAC B
28VAC A
1
4
2
3
2
1
4
3 (5)
(6)
4
1
2
3
4
1
2
3
(3)
(4)
8
7
6
9
10
1
5
4
3
2
+ 12V
CSR
IS ENSE
(11)
(12)
(10)
(9)
(7)
(8)
(20)
(13)
(14)
(19)
8
6
7
9
10
1
4
5
2
3
B A
1
2
3
TORCH SW
TORCH SW RTN
P IP
P IP RTN
4
1
3
2
(78)
(79)
(80)
(81)
4
1
3
2
3
4
2
1
8
CSR
TORCH SWITCH -
TORCH SWITCH +
Vo
1
2
1
2 GA TE DRIVE B RTN
GA TE DRIVE B
GA TE DRIVE A RTN
GA TE DRIVE A
J21
J20
1
2
1
2
P21
P20
(36)
(38)
(37)
8
6
5
2
3
1
4
7
8
P22 P14
3
5
2
7
1
4
6
(35)
(41)
(40)
(39)
(42)
3
4
2
1
8
A TC RECEIVER
A TC MA LE CONNECTOR
K3
R95
K2
K5
CONTA CTOR ON
S OLE NOID ON
K4
K3
FAN
INRUSH
28VAC B 28VAC A
28VAC B
28VAC A TO BIAS
S UPPLY
28VAC A
28VAC B
GND
F2, 0.9A,
(RE S ETABLE)
K5
K2
P RE S S GOOD
E22
MODE SW
RA R OFF
(46)
L1
L2
DC COMMON
CSR
P OT LOW
GA TE DRIVE B RTN
GA TE DRIVE B
GA TE DRIVE A RTN
GA TE DRIVE A
- OUT
CURRE NT SENSE
CURRE NT SENSE RTN
TIP
+ 12VDC
TORCH SWITCH
28VAC A
P RE S S GOOD
P OT WIPER
RUN/SET
GND SIGNAL
W 1
IS ENSE
CURRE NT SENSE RTN
CURRE NT SENSE
OV E RTEMP
OV TEMP
GND SIGNAL
+ 12VDC
RTN
CSR
DC OK
GA S ON
P OT HIGH
GND SIGNAL
GND SIGNAL
GND SIGNAL
+ 12VDC
GND SIGNAL
A C OK
GND SIGNAL
CURRENT
S E NSE
COPPER STRAP
(0 ohm)
P9
(P ILOT PCB) (F6)
(CSR)
(TS1)
(TS2)
(NEG)
E13
E20
E18
E23
E35
E16
E6
E28
E2
E24
E5
E6
E1
E5
E16
E8
E25
E15
E19
E11
E13
E14
E3
E7
t
E10
E34
E18
E26
E12
E8
E9
E17
E4
E21
Art # A-03695