TROUBLE GUIDE CAUSE REMEDY
1.FUSES BLOWN.
1.REPLACE FUSES
2.CABLE DAMAGED
2.SHORTEN/REPLACE CABLE
PUMP DOES NOT START
3.NO POWER
3.CHECK POWER SUPPLY
4.BLOCKED IMPELLER 4.CLEAN WET END
5.STATOR WINDING BURNT. 5.REPLACE STATOR.
6.CONTACTOR COIL BURNT 6.REPLACE COIL
7.SEAL PROBE SENSOR
7.CHANGE OIL/MECH. SEALS
1.BLOCKED IMPELLER. 1.CLEAN BOTTOM PARTS.
2.IMPELLER ROT.WRONG 2.SHIFT TWO PHASE CONN.
PUMP STARTS BUT
3.CONNECTED FOR WRONG 3.CHECK & RECONNECT.
BUT STOPS
VOLTAGE.
4.VOLTAGE TOO LOW/HIGH. 4.APPROACH POWER CO.
5.PUMP RUNNING DRY 5.SWITCH OFF POWER
6.WATER TOO WARM 6.SWITCH OFF POWER
(ABOVE 60 DEGREES C)
1.IMPELLER ROT.BACKWARD. 1.SHIFT TWO PHASE CONN.
2.PUMP WORN DOWN. 2.REPLACE IMPELLER.
PUMP OUTPUT LOW
3.LONG HOSE AND DIAMETER 3.CHECK PRESSURE LOSSES
TOO SMALL.
4.PRESSURE HEAD TOO HIGH 4.INSTALL BIGGER PUMP.
5.LEAKING/CRACKED OUTLET 5.REPLACE OUTLET/GASKET
MOTOR PROTECTION
IT IS ESSENTIAL THAT THE PUMP BE USED WITH A STARTER AND PREFERABLY A PANEL
BOARD. PANEL BOARDS INCORPORATING ALL PROTECTIVE DEVICES ARE AVAILABLE WITH US.
THE FULL LOAD AMPERE RATINGS OF THE THREE MODELS ARE AS PER TABLE BELOW. THE
OVERLOAD RELAY IN THE STARTER SHOULD CHOSEN ACCORDINGLY AND AMPERES SET AT THE
FULL LOAD SETTING FOR THE PARTICULAR MODEL OF THE PUMP.(DETAILS BELOW ARE FOR
460 VOLT PUMPS. CHECK FULL LOAD AMPERES FOR DIFFERENT VOLTAGES ON PUMP NAME
PLATE)
MODEL FULL LOAD AMPERES
.
230v
415v
460v
NC 06360M
20 AMPS
10.8 AMPS
9.8 AMPS
NC 08360M
24 AMPS
13.3 AMPS
12 AMPS
NC 10360M
31 AMPS
15.5 AMPS
14 AMPS
