OM-542 Page 3
5. Connections And Circuit Breaker CB1
Ref. ST-143 353-C / ST-159 932 / Ref. ST-143 353-C
! Disconnect power before in-
stalling.
Standard Connections
1 115 Volts AC/Remote Contac-
tor Plug
Use to make 115 volts AC/remote
contactor connections.
2 Remote 14 Receptacle
Use to make 24 volts AC input pow-
er connection to wire feeder.
Pin Information:
A 24 volts AC with respect to
socket G.
B Contact closure to A com-
pletes 24 volts AC contac-
tor control circuit.
G Circuit common for 24
volts AC circuit.
The remaining pins are not used.
3 Circuit Breaker CB1
If CB1 opens, the wire feeder does
not work. Reset breaker.
4 Remote Contactor Plug
5 115 Volts AC Plug
Connect plugs to matching remote
contactor and 115 volts AC recep-
tacles on welding power source.
If 115 volts AC plug does not match
welding power source receptacle,
replace plug as shown.
Replacing 115 Volts AC Plug
Obtain plug to match 115 volts AC
receptacle.
Connect leads to new 115 volts AC
plug as follows:
Green: Ground.
White: 115 volts AC common.
Black: 115 volts AC hot.
Connect plug to 115 volts AC
receptacle.
Contactor Control Connections
! Do not apply 115 volts AC to
welding power source re-
quiring only a contact clo-
sure for contactor operation.
Disconnect power before in-
stalling.
If welding power source only needs
contact closure to activate contac-
tor, replace existing plug with a suit-
able plug as follows:
Cut off plug, and strip cord jacket
enough to separate leads.
Strip insulation and connect leads
to new plug according to table
below.
Connect plug to matching recep-
tacle on welding power source.
4
5
Tools Needed:
Replacing 115
Volts AC Plug
3
2
1
Connections For 115 Volts AC/Remote Contactor Plug And Cord
Connections For Contact Closure-Type Contactor Control
Leads
White
Orange And Green
Black
Red
Connect To
115 volts AC common.
Continuity closure for power source contactor closure.
115 volts AC hot.
Not used. Tape end to insulate from other connections.
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