Profax AEC 200-4D - Manual (Page 6)

4 5
TESTING INFORMATION
1. Input Voltage Red - Term. 1 & 2 24VAC Primary power input to PC board.
2. Return Voltage Red - Term. 1 & 3 24VAC w/trigger activated 24VAC return for contactor operation.
3. Potentiometer Yellow - Term. 1 & 3 2.5K Gives reference value to PC board for speed control.
Yellow - Term. 2 & 3 0 to 2.5K Should give smooth reading 0 through 2.5K when
potentiometer is turned.
4. Motor Blue - Term. 1 & 2 1 to 27VDC DC power output to motor from PC board with
Resistance 4.0 ohms reference to potentiometer setting.
5. Trigger Switch White - Term. 1 & 3 Norm. Closed Brakes motor when trigger is released. Opens to
release brake when trigger is activated.
White - Term. 2 & 4 Norm. Open Closes when trigger is activated completing circuit
to motor. Also completes circuit from P1 - Term. 4
to P1 - Term. 5 for power source contactor activation.
TEST ITEM TEST POINT VALUE READING DESCRIPTION
TROUBLESHOOTING
Figure 1
AEC 200-4D DIRECT CONNECT SPOOL GUN WIRING DIAGRAM
Min.
NO
NO NC
NC
14
15
13
WHITE
WHITE
YELLOW
2.5K
POT
D9
D10
R15
D11
R14
C38
R12
R13
R11
C36
C37
R9
R10
R7
R6
R5
R3
R4
C44
C43
R1
C1 C3 C5 C7 C9 C11 C12 C15 C17 C19
C2 C4 C6 C8 C10 C12 C14 C16 C18 C20 C21 C22
C23
C25
C27
C29
C31
C33
C34 C35
C32
C30
C28
C26
C24
R8
C39
C44
C40
C42
M
CW
YELLOW
B
A J
K I
C
G D
E F
M
L H N
A
E
K
F D G
H
B C
J B
C
A
E
F
H I
D
G
J
Comparc, Miller
Powcon,Thermal Arc
14 Pin Miller
10 Pin
(MM250X)
only PROFAX
10 Pin
(P250SG & P300SG)
only
REAR VIEWS
Std.
AEC 200-4DM Opt.
AEC 200-4DMX Opt.
AEC 200-DP
U2
Trigger
(shown off)
Motor
Speed
Control
U1
1 2 3
1 2
3 2 1
4 2
3 1
RED
BLACK
Red
White
Yellow
Blue
BLACK
WHITE
GREEN
3123 .023 Hard .031
3356 .030-.035 Hard .044
3299 .045-3/64” Alum. .060
3300 1/16” Alum. .078
45-070 3/64” Alum. .073
3793 .030-.035 Hard .040
3839 .045 Hard .053
3150 .030-.035 Hard .040
3223 .045 Hard .053
3455 3/64” Alum. .061
3456 1/16” Alum. .081
3067 .030-.035 Hard .060
3068 .045-3/64” Alum. .084
3069 1/16” Alum. .120
3136 .030 Alum. .040
3115 .035-.047 Alum. .064
3135 1/16” Alum. .084
4552 9/16” Brass
4270 11/16” Brass
4269 11/16” Brass
4572 11/16” Copper
4268 7/16” Brass
PART NO. WIRE SIZE I.D.
4”
6-1/8”
4”
1-5/8”
1-27/32”
1-5/8”
1-1/2”
1-1/2”
1-5/8”
1/4”
1/4”
1/4”
1/4”
1”
1”
1”
1”
1”
1/4”
1/4 - 20 Thd.
1/4 - 20 Thd.
1 - 14 Thd.
7/8 - 14 Thd.
7/8 - 14 Thd.
7/8 - 14 Thd.
7/8 - 14 Thd.
PART NO. I.D. MATERIAL
NO. PART NO. DESCRIPTION
1 4119 Bent nozzle kit
2 4346 Nut
3 4137 Nozzle
4 4300 Slip ring
NO. PART NO. DESCRIPTION
1 4638 New style assembly
2 4268 Nozzle
3 4269 Nozzle
NO. PART NO. DESCRIPTION
1 4124 Old style assembly
2 4105 Adapter
3 4108 Barrel
NO. PART NO. DESCRIPTION
1 4925 Flexible barrel
2 4580 Tip holder (included)
NO. PART NO. DESCRIPTION
5 4139 Adapter
6 4108 Barrel
7 4138 Assembly (5 & 6)
NO. PART NO. DESCRIPTION
4 4147 Nozzle body
5 4641 Spacer
6 4640 Adapter sleeve
NO. PART NO. DESCRIPTION
4 4117 1/2” nozzle
4118 3/4” nozzle
4110 5/8” nozzle
NO. PART NO. DESCRIPTION
3 9635-8¼ Liner (cut to length)
Included
2 4
2 3 4
1 2
3
4
2 5
3
6
3 5 6
Note: Additional 4137 nozzle included
1
1
1
1-1/2”
10-3/4”