GE DC-30311 Installation Operation & Maintenance page 2

SIMPLIFIED START-UP AND CHECKOUT PROCEDURE
IF ANY DIFFICULTIES ARE ENCOUNTERED DURING START·UP AND CHECKOUT, REFER
TO SECTION 4 OF INSTRUCTION BOOK FOR DETAILED START-UP AND CHECKOUT PRO-
CEDURE.
WARNING
ELECTRIC SHOCK CAN CAUSE PERSONAL INJURY OR LOSS
OF LIFE. WHETHER THE A.C. SUPPLY IS GROUNDED OR
NOT, HIGH VOLTAGES TO GROUND WILL BE PRESENT AT
MANY POINTS THROUGHOUT THE DRIVE.
1. VERIFY THAT THE 3-PHASE A.C. POWER INPUT TO THE DRIVE IS OF THE PROPER
VALUE AS LISTED ON THE EQUIPMENT DATA NAMEPLATE (-5, +10%).
2. SeT TEST REFERENCE POTENTIOMETER TO ZERO, SWITCH No. 1 TO CENTER,
SWITCH No.2 TO CENTER; THIS DISCONNECTS POWER FROM SCR MODULE AND
DISCONNECTS ALL REFERENCE INPUTS.
3. APPL Y MAIN A.C. POWER TO THE DRIVE SYSTEM. "READY·ON!FAUL T-OFF" INDI·
CATOR ILLUMINATES (THE A.C. CIRCUIT BREAKER IN THE TOP HALF OF THE
DRIVE SYSTEM MUST BE SWITCHED ON - WHEN SUPPLIED). THIS INDICATOR WHEN
ILLUMINATED INDICATES THE FOLLOWING:
A. THREE PHASE POWER IS APPLIED AND IS IN THE PROPER PHASE SEQUENCE.
B. DRIVE FUSES ARE NOT OPEN.
C. MOTOR FIELD IS ENERGIZED AND FIELD LOSS RELAY IS PICKED·UP.
NOTE
IF THE INDICATOR FAILS TO ILLUMINATE, INTERCHANGE
ANY TWO TRANSFORMER INPUT PHASES ONCE: IF INDI·
CATOR ISSTILLOUT PROCEED TO THE TROUBLE-5HOOTING
TABLE 6-1.
4. VERIFY TEST REFERENCE POTENTIOMETER IS SET TO 0, PLACE SWITCH No.1 TO
DOWN AND SWITCH No.2 TO UP SWITCH POSITION. USE TEST REFERENCE POTEN·
TIOMETER IN CW AND CCW DIRECTION TO VERIFY PROPER MOTOR OPERATION.
6. SET TEST REFERENCE POTENTIOMETER TO 0, SWITCH No.1 TO UP SWITCH POSI-
TION, SWITCH No. 2 TO CENTER; THIS PROVIDES NORMAL SYSTEM OPERATION.