Mody Pumps M 304 T - Manual (Page 5)

INSTALLATION.
• CHECK THAT THE SITE VOLTAGE CORRESPONDS WITH THAT OF THE PUMP.
• CHECK THAT FUSES ARE INTACT.
• USE SHORTEST POSSIBLE HOSE IN RECOMMENDED DIMENSION. AVOID SHARP BENDS,
CREASES, AND CONTRACTIONS.
• NEVER LIFT OR PULL THE PUMP BY MEANS OF THE CABLE. SUSPEND THE PUMP BY A
ROPE OR PREFERABLY PLACE IT ON A SOLID BASE.
• THE MAXIMUM PUMP SUBMERGENCE RECOMMENDED IS 50 Feet.
• THE SPECIFIC GRAVITY OF THE PUMPED FLUID SHOULD NOT EXCEED 1.1 UNDER ANY
CIRCUMSTANCES.
• WINDING WITH RESPECT TO EARTH: MINIMUM INSULATION RESISTANCE SHOULD BE 5
MEGOHMS. WIRE THE PUMP TO THE MAINS CORRECTLY. ALWAYS USE A STARTER OR A
PANEL BOARD. SEE INSTRUCTIONS UNDER "MOTOR PROTECTION" BELOW.
• AT THE STARTING MOMENT, THE PUMP SHALL MAKE A KICK, WHICH IS OPPOSITE TO THE
DIRECTION OF ROTATION OF THE IMPELLER. SHIFT TWO PHASES IN THE POWER
CONNECTION IF THE KICK IS IN THE WRONG DIRECTION. THE CORRECT DIRECTION IS
INDICATED ON THE PUMP COVER AT THE TOP OF THE PUMP. (THIS IS NOT NECESSARY
WITH SINGLE PHASE PUMPS, AS THEIR DIRECTION OF ROTATION IS FIXED AND CANNOT
BE CHANGED. HOWEVER, ENSURE THAT THE CONNECTIONS WITH THE PANEL BOARD
SUPPLIED WITH THE UNIT ARE DONE AS PER COLOR CODE INDICATED IN THE
PANEL/MOTOR LEADS). SINGLE PHASE MOTOR LEADS: RED-STARTING, BLUE-RUNNING,
YELLOW/WHITE-COMMON, GREEN-GROUND.
• THE DIRECTION OF ROTATION CAN BE ESTABLISHED BEFORE IMMERSING THE PUMP IN
WATER. DO NOT HOWEVER, RUN THE PUMP FOR MORE THAN 60 SECONDS OUTSIDE THE
WATER. IMMERSE THE PUMP AND ENERGISE THE UNIT. CHECK THE AMPERES DRAWN BY
THE UNIT. THE AMPERAGE SHOULD BE LESS THAN OR EQUAL TO THE FULL LOAD AMPS AS
INDICATED ON THE NAMEPLATE.
H.R.C. FUSES ARE RECOMMENDED STRONGLY AS PER TABLE BELOW
.
MAINS VOLTAGE AT SITE HRC FUSE RECOMMENDED
M304T M204T M154T
230 VOLTS 3 PHASE 25 AMPS 16 AMPS 10 AMPS
460 VOLTS 3 PHASE 16 AMPS 10 AMPS 10 AMPS
230 VOLTS 1 PHASE 30 AMPS 20 AMPS 20 AMPS
MOTOR PROTECTION
ADEQUATE MOTOR PROTECTION MUST BE PROVIDED FOR THE PUMPSET. THIS IS MOST
IMPORTANT. OVERLOAD, SHORT CIRCUIT & SINGLE PHASING PROTECTION ARE A VITAL FOR
ANY INSTALLATION. WE STRONGLY RECOMMEND PANEL BOARDS AVAILABLE WITH US
INCORPORATING ALL NECESSARY PROTECTION AS ABOVE. PLEASE CONTACT OUR SALES DEPT.
FOR PRICES AND DETAILS. WARRANTY IS VOID IF PUMPS ARE OPERATED WITHOUT
ADEQUATE MOTOR PROTECTION.