Lincoln Electric IDEALARC SP-255 Service Manual page 15

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ALL MACHINES ARE SHIPPED FROM THE FACTORY CONNECTED FOR THE HIGHER OF THE TWO
INPUT VOLTAGES LISTED ON THE NAMEPLATE. TO CHANGE VOLTAGE CONNECTION PROCEED AS
FOLLOWS:
1. REMOVE THE OUTER STEEL HEX NUT FROM THE TERMINAL WHERE THE TRANSFORMER
INPUT LEAD IS CONNECTED.
2. SHIFT THE TRANSFORMER INPUT LEAD TO THE TERMINAL THAT THE UNIT IS TO OPERATE
ON AND FASTEN SECURELY WITH THE HEX NUT REMOVED IN STEP1. (MAKE CERTAIN THAT
BRASS NUTS ARE TIGHT.)
FIGURE A.4 - Reconnect Diagram For 208/230/1/60 Machines.
1. ALL MACHINES ARE SHIPPED FROM THE FACTORY CONNECTED FOR THE HIGHEST NAME-
PLATED SINGLE PHASE INPUT VOLTAGE. TO CHANGE CONNECTIONS FOR A DIFFERENT INPUT
VOLTAGE, RECONNECT BOTH COPPER JUMPERS PER DIAGRAM BELOW. ALWAYS CONNECT
JUMPERS BETWEEN OUTER STEEL NUT AND INNER BRASS NUT ON TERMINAL STUDS.
2. CONNECT THE INPUT POWER TO THE INPUT TERMINAL BLOCK, L1 AND L2 AT THE UPPER COR-
NER OF THE PANEL. (TORQUE TO 16 IN-LBS)
3. CONNECT A GROUNDING LEAD TO THE GROUND STUD (
MINAL BLOCK.
FIGURE A.5 - Reconnect Diagram For 230/460/575/1/60 Machines.
INSTALLATION
IDEALARC SP-255
®
) ON THE MACHINE NEAR THE TER-
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