Flowserve Pump Division - 16
WARNING: ALWAYS CONNECT MULTIPLE POWER CABLES IN PARALLEL. FAILURE TO
HEED THIS WARNING MAY CAUSE SERIOUS PERSONAL INJURY.
Dual Voltage Motors
Dual voltage motors are connected at the factory according to the purchase order and are labeled with
the voltage connection. A change in voltage requires rewiring of the motor and can only be done by
authorized Flowserve Pump Division Service Personnel.
CAUTION: A CHANGE IN VOLTAGE REQUIRES REWIRING OF THE MOTOR. REWIRING BY
NON-FLOWSERVE PUMP DIVISION SERVICE PERSONNEL WILL VOID THE
FACTORY WARRANTY AND NEGATE THE EXPLOSION PROOF CERTIFICATION.
Figure 5: Motor Connection Diagram
Checking Rotation
After connection of the electric service and prior to installing the unit, the rotation must be checked.
Incorrect rotation will result in poor performance of the unit and can cause damage to the pump. Check
rotation by bumping the motor starter for rotation and viewing the impeller rotation through the discharge;
a flashlight may be required. The correct rotation is clockwise when viewed from the top.
CAUTION: ENSURE THE PUMP’S STABILITY ON A LEVEL SURFACE. LOOSLY STRAP THE
MOTOR LIFTING BAIL TO AN OVERHEAD LIFTING DEVICE TO PREVENT TIPPING.
DO NOT BUMP THE MOTOR WHILE THE UNIT IS SUSPENDED FROM CHAINS, AS
IT COULD HAVE A CONSIDERABLE REACTION FORCE.
WARNING: DO NOT PLACE HANDS, LOOSE ARTICLES OF CLOTHING, ETC. NEAR THE PUMP
DISCHARGE. WEAR SAFETY GOGGLES. FAILURE TO HEED THIS WARNING MAY
CAUSE SERIOUS PERSONAL INJURY.
If the pump rotation is wrong, make sure that the power is off and interchange the L1 and L2 motor lead
connections at the control panel. Verify the pump rotation direction before you continue.
To Next Page
Loading...
