Profax AEC 200-3A - Manual (Page 2)

CONSTANT CURRENT POWER SOURCE WITH AEC 200-3A CONTROL
LIMITED WARRANTY - Subject to the terms and conditions hereof, PROFAX, Pearland, Texas warrants its control boxes to be
free from defect in workmanship and material at the time of delivery by PROFAX.
PROFAX will honor warranty claims on this equipment as a result of failure from a defect for a period of one year from date of
sale to the original user.
Upon the return of this unit at users expense, PROFAX reserves the right to either repair or replace as necessary.
This is the only warranty either expressed or implied covering this unit.
To install:
1. Remove top cover from control unit.
2. Install the multi-conductor cord from the AEC 200 Welding Gun through the access hole in
the front panel of the control box and connect the numbered wires to the corresponding
numbers on the 8 pole terminal strip TS1.
3. Connect the 115V power cord from the control box to a 115V AC or DC power source.
4. Connect a welding cable (1/0 or 2/0) from the positive output terminal on the power source
to the "Electrode" terminal on the control box.
5. Connect the small black sensor lead from the control box to the negative output terminal on
the power source. (Same terminal the work lead is connected to)
6. Connect the power cable of the AEC 200 Welding Gun to the "Gun" terminal on the
control box.
7. Ensure all connections are correct.
8. Replace top cover and tighten screws.
9. Ensure that power source is set for DC reverse polarity (electrode +) see warning.
DC REVERSE POLARITY (ELECTRODE +) ONLY
Unit will FAIL to operate if proper polarity is not observed when connecting to power source. Due to the design of the magnetic
blowout, welding current polarity must be properly connected or permanent damage to contactor contacts and PC board may
result. See installation diagram for proper cable connections.
CAUTION
Shut off engine and/or disconnect all electrical
power to the welding power source before
installing this control unit. Electrocution
may maim or kill.
AEC 200-3A
Warranty
AEC 200-3A AEC 200-3A
Warranty Warranty
Warning Warning Warning
GUN
W
TB4
110V DC RELAY
K1
C1
C2
23
RED
13
YEL
14
BLU
M
15
GRN
GUN RHEOSTAT
GUN MOTOR
GUN
TRIGGER
16
BLK
20 21 22
FLUX COLLECTOR
BLUE/WHITE
BROWN/WHITE
BLACK
F2
WELDER
(SENSOR LEAD)
WELDER
POS.
RED/BLACK
4 3 2 1
PROFAX INC.
MADE IN U.S.A.
WIRE FEEDER
CONTROL BOARD
6000B
ORG PUR
TB3
TB2
R6
PURPLE
GRAY
YELLOW/WHITE
ORANGE/BLACK
4
BLACK/WHITE
CONTACTOR
YELLOW
3
W
2 1
1
2
3
4
R5
WHITE
GRN
120V
AC/DC
F1
115 VOLT AC/DC
POWER CABLE
MODEL
AEC 200-3A
CONTROL
“GUN”
RECEPTACLE
SENSOR LEAD TO
NEGATIVE OUTPUT TERMINAL
ON POWER SOURCE
MULTI CONDUCTOR
CABLE TO TERMINAL
STRIP IN CONTROL BOX
POWER
SOURCE
POSITIVE
OUTPUT
TERMINAL
GAS CYLINDER
HOSE TO GAS
SUPPLY
CONNECTION
BLOCK
CABLE
BOOT
WELDING CABLE FROM
NEGATIVE OUTPUT TERMINAL
ON POWER SOURCE
MODEL
AEC 200
SPOOL GUN
WORK
GAS & WELDING
CABLE
“ELECTRODE”
RECEPTACLE
R11
WELDING CABLE FROM
POSITIVE OUTPUT TERMINAL
ON POWER SOURCE
WELDING CABLE TO
“GUN” STUD ASSEMBLY
ON CONTROL BOX