Pentair SC Series Manual

4 Inch (100mm) Submersible Pumps
Installation and
Operation Manual
"SC" Series All Stainless Steel
"SD" Composite/Stainless Steel
General Information and Precautions
Submersible pumps are precision equipment designed for years of
trouble free service, provided that they are properly installed and maintained.
The pump package includes pump, motor, motor tail lead, and cable splicing
kit on all units. A control box (which contains the start capacitor(s) and thermal
overload relay) is shipped as standard equipment on all three wire, single phase
units. The two wire, single phase units do not require a control box as the start
capacitor and thermal overload is built into the motor. Magnetic starters, equipped
with the correct quick trip thermal overloads, are required for three phase units.
Properly grounded lightning arrestors are recommended on all installations that
do not have built-in lightning protection in the motor.
WARNINGS:
1.
working in accordance with National and Local Electrical Codes. Failure
to comply with these codes could result in serious injury or death from
electrical shock, or cause serious damage to the pump unit.
2. The bore must be clean and straight. Submersible pumps are designed
to allow the passage of a small amount of sand; however, pumping sand
for a prolonged period will shorten the life of any pump.
3. The pump should be installed at least 3 metres (10 feet) above the
bottom of the bore to prevent sediment from covering the motor, which
could result in overheating and damage to the motor windings. Where
possible, the pump should be installed at least 4.5 metres (15 feet)
below the lowest pumping water level. A motor cooling shroud is
recommended.
4. Never support the weight of the pump on the electrical cable. Support
it with the rising main or an auxiliary rope during installation. Throughout
installation, take care not to damage the insulation on the cable.
Instructions for Coupling Pump End Assembly to Motor
shaft protrusion. To assemble the pump and motor:
1. Make sure that the pump and motor rotors rotate freely.
2. Carefully clean the surfaces to be joined.
3. For motors with separate leads clean and dry any moisture from both the cavity on the motor and the rubber end
of the electrical cable connection. Insert the cable connection (using no lubrication) and tighten with a torque wrench
set at 27Nm (20 ft.lbs).
4. Align cable with cable protector and push the motor lead through the suction inlet and under the cable guard. Do
not slacken nuts on pump straps (all stainless steel SC Series units).
5. Couple the pump to the motor making sure that the motor shaft freely enters the splined slot on pump coupling.
A layer of waterproof grease should be applied to the coupling splines to help with this operation and to protect
against wear caused by any abrasive particles remaining.
6. Tighten the four motor bolts with a torque wrench set at 18Nm (14 ft.lbs).
Pre-Installation Tests
Complete as many pr e-installation tests as possible prior to taking the pump to the installation site.
1. Be car eful not to damage the motor, pump, and motor lead. Visually inspect for possible damage. Check the lead
for abrasions or cuts. Make certain the check valve operates freely.
2. Check the motor, pump, and control equipment to be certain they are matched. If using a three phase motor, check
quick trip thermal overloads in the magnetic starter against motor requir
3. Mount the pump end on the motor, if needed (see previous section). Splice the cable to the furnished lead with
the supplied splice kit, following the splice kit instructions. Use only the size cable recommended in the Cable
Selection Table (Page 6) to assure adequate voltage at the motor.
IMPORTANT
For future reference, record details
of your pump unit here.
Date installed ....../ ....../ ......
Submersible Pump
Model: ......................
Serial No: .................
Q. ...... m /hr
3
(@BEP)
H. ............ m
(@BEP)
P. ......... kW
RPM ............
A division of Pentair Flow Control
(if not assembled)
........... Hz
Max H .......... m
Pty Ltd
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