Half Off Ponds Piranha Series User manual

Piranha Series
Submersible Water Pump
Operation Manual
Models:
PN3000 PN4200 PN5500 PN6300

Piranha Series
Flow Rate Chart
PN3000
PN4200
PN5500
PN6300
PN3000
PN4200
PN5500
PN6300

LIMITED WARRANTY
Products manufactured by HALF OFF PONDS are warranted to the original user only to be free of defects
in material and workmanship for a period of 24 months from date of purchase, but not more than 30
months from date of manufacture. HALF OFF PONDS liability under this warranty shall be limited to
repairing or replacing at HALF OFF PONDS's option, without charge, F.O.B. HALF OFF PONDS's factory or
authorized service station, any product of HALF OFF PONDS's manufacture. HALF OFF PONDS will not be
liable for any costs of removal, installation, transportation, or any other charges which may arise in
connection with a warranty claim. Products which are sold but not manufactured by HALF OFF PONDS are
subject to the warranty provided by the manufacturer of said products and not by HALF OFF PONDS's
warranty. HALF OFF PONDS will not be liable for damage or wear to products caused by abnormal
operating conditions, accident, abuse, misuse, unauthorized alteration or repair, or if the product was not
installed in accordance with HALF OFF PONDS's printed installation and operating instructions.
To obtain service under this warranty, the defective product must be returned to the distributor or dealer
of HALF OFF PONDS's products from which it was purchased together with proof of purchase and
installation date, failure date, and supporting installation data. Unless otherwise provided, the distributor
or dealer will contact HALF OFF PONDS or an authorized service station for instructions. Any defective
product to be returned to HALF OFF PONDS or a service station must be sent freight prepaid;
documentation supporting the warranty claim and/or a Return Material Authorization must be included if
so instructed. In the absence of suitable proof of purchase date, the effective date of this warranty will be
based upon the date of manufacture.
Any replacement product may be either new or like-new, provided that it has functionality at least equal
to that of the product being replaced. No requests for service under this warranty will be accepted if
received more than 30 days after the term of the warranty. Correction of defects, in the manner and for
the duration of the warranty described in this warranty, shall constitute complete fulfillment of all liabilities
and responsibilities of HALF OFF PONDS to the user with respect to the product, and shall constitute full
satisfaction of all claims, whether based on contract, negligence, strict liability or otherwise. Except for the
obligations specifically set forth in this warranty, in no event shall HALF OFF PONDS be liable for direct,
indirect, special, incidental, or consequential damages, whether based on contract, tort, or any other legal
theory and whether advised of the possibility of such damages.
HALF OFF PONDS reserves the right to change or improve its products or any portions thereof without
being obligated to provide such a change or improvement for units sold and/or shipped prior to such a
change or improvement.
THERE ARE NO EXPRESS OR IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE, WHICH EXTEND BEYOND THOSE WARRANTIES DESCRIBED OR REFERRED TO
ABOVE. EXCEPT AS EXPRESSLY HEREIN PROVIDED THE GOODS ARE SOLD "AS IS", THE ENTIRE RISK AS
TO QUALITY AND FITNESS FOR A PARTICULAR PURPOSE, AND PERFORMANCE OF THE GOODS IS WITH
THE BUYER, AND SHOULD THE GOODS PROVE DEFECTIVE FOLLOWING THEIR PURCHASE, THE BUYER
AND NOT THE MANUFACTURER, DISTRIBUTOR, OR RETAILER ASSUMES THE ENTIRE RISK OF ALL
NECESSARY SERVICING AND REPAIR.
Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages and some
jurisdictions do not allow limitations on how long implied warranties may last or require you to pay certain
expenses as set forth above. Therefore, the above limitations or exclusions may not apply to you. This
warranty gives you specific legal rights and you may also have other rights which vary from jurisdiction to
jurisdiction.

SAFETY WARNING
To avoid serious or fatal personal injury, read and follow all safety instructions in manual and on pump.
Inspect the pump when unpacking. Check for any damage to pump and power cable during shipment, and
make sure all bolts and nuts are tightened properly. Lift or lower the pump only by the handle, never with
power cable. Check the power supply that is adequate to handle the voltage and current rating of this
pump.
Use water pump only for circulation, transfer or removal of water or wastewater. Do not pump oil, brine,
liquid with high degree of acid or alkaline, organic solvents, or water containing high level of sand or silt.
Do not operate in water temperatures outside the range of 32°F ~ 104°F, failure to do so may lead to
thermal overload and premature pump failure. Do not use the pump in the vicinity of explosive or
flammable materials. Do not tamper with the pump; operate only in fully assembled state.
The pump generates high fluid suction and discharge velocity. Do not cover or block any openings on this
pump. While pump operates, never place your hand or any object in or near the inlet opening. Disconnect
from power source before attempting any inspection.
ELECTRICAL SAFETY
All electrical works should be performed by a qualified electrician in accordance with the latest edition of
the National Electrical Code, local codes and regulations.
For your protection, always disconnect the pump from its power source before handling. Single phase
115V pumps are supplied with a 3-prong grounded plug to help protect you against the possibility of
electrical shock. DO NOT UNDER ANY CIRCUMSTANCE REMOVE THE GROUND PIN. The 3-prong plug
MUST be inserted into a compatible 3-prong grounded receptacle. If the installation does not have such a
receptacle, it must be changed to the proper type, wired and grounded in accordance with the National
Electrical Code and all applicable local codes and ordinances.
The electrical supply must be a separate branch circuit with fuses or circuit breakers for short-circuit
protection. Use dedicated power outlet rated at 15 Ampere or above with a ground leakage circuit
breaker or Ground Fault Circuit Interrupter (GFCI). Attach power supply plug securely into the outlet,
receptacle or terminal to reduce the probability of electrical shock, shorting or fire. Power outlet,
receptacle or terminal should be protected and shield from weather or water discharge from the pump,
reducing possibility of accidental electric shock or short circuit.
GROUND FAULT CIRCUIT INTERRUPTER
The pump must be connected to a Ground Fault Circuit Interrupter (GFCI) or Earth Leakage Circuit Breaker
(ELCB) with a tripping current < 30 mA. A good quality heavy duty GFCI with over 15A tolerance should
be used. Do not connect more than one electrical application to the GFCI outlet when using with pump.
A working GFCI can protect and reduce the probability of a person from getting shocked or electrocuted,
caution should still be applied when operating an electrical equipment. Please do not develop a false
sense of security with GFCI. Check and verify the GFCI is operating within normal parameters on a regular
monthly basis. When GFCI is tripped regularly, check for moisture and make sure GFCI is working
properly, faulty GFCI should be replaced at once.
Plug with
grounding pin
Electrical Outlet with GFCI

POWER CABLE
Protect power cable from damage during handling, installation or removal. If a cable, with cut insulation
or other damage is submerged in the water or exposed to weather, there is a danger of water seeping
into the motor causing a short. This may result in damage to the pump, electrical leakage, electrical shock
or fire.
Make sure the power cable does not become excessively bent or twisted, does not rub against a structure
in a way that may damage it, and does not come in contact with heated surfaces. Do not use extension
cord.
MOTOR PROTECTION
The pump has a built-in thermal protector which opens the circuit when overload condition is encountered.
Protector automatically resets when motor cools.
INSTALLATION AND OPERATION GUIDELINES
Do not paint over the pump’s stainless steel motor housing. Reduced cooling capacity can cause thermal
damage, undesirable performance reductions, periodic auto shut-off and other malfunctions.
Remove any sludge, pebbles or large solid debris from where the pump is to be installed.
Care should be taken with the pump’s weight and center of gravity during installation to prevent
personal injury and equipment damage.
Situate pump in location with sufficient water level, where water collects and flow readily.
If the pump is installed in a pump basin or pit, the area must have sufficient space to allow amble of
water circulation around the pump at all levels. Basin or pit with at least 2 feet diameter is
recommended; furthermore, it should be dimensioned according to the relation between the water flow
to the pit and the pump performance. When placing in a pond skimmer box, the pump basin is defined
as the compartment where the pump is located, not the entire skimmer box.
Place pump in upright position, on a stable base, barred from tilting or submerged in sludge, mud or
similar materials.
When a flexible pipe is used, make sure that the pipe does not buckle and that the inside diameter of
the pipe matches that of the discharge port or the supplied adapter fitting only.
When a rigid pipe is used, the union or coupling, non-return valve and isolating valve should be fitted
in the sequence mentioned, as seen from the pump side.
Always attach the hose or secure pipe fitting as far as they will go, then secure tightly with hose band
or bond the pipes with adhesive.
Fit a non-return valve in the discharge pipe to prevent siphon or back-flow when power is turn off or
during a power outage.

PRIOR TO OPERATION
CAUTION: Turn off power supply or circuit breaker before connecting the power plug to avoid
electrical sparks, or unexpected starting of the pump, leading to injury. NEVER turn on the
pump while it is suspended in air or water, the recoil may result in injury or other major
accident.
DURING OPERATION
CAUTION: DO NOT PHYSICALLY FEEL FOR THE IMPELLER ROTATION.
SERIOUS INJURY COULD RESULT.
Pay careful attention to the water level while the pump is operating. Dry operation may cause the
pump motor to overheat and malfunction. In dry operation or operation with lack of water cooling,
pump motor can become very hot, do not come in contact with pump to avoid being burned.
(Refer to Operating Water Level)
Make sure no extraneous objects such as pins, nails or other metal objects are sucked into the pump.
In case of a power outage, turn off the power to the pump to avoid having it start unexpectedly when
the power is restored, presenting serious danger to people in the vicinity.
OPERATING WATER LEVEL
Do not operate the pump below the Minimum Water Level (MWL).
Model
MWL
PN3000
13
Inches
PN4200
14
Inches
PN5500
15
Inches
PN6300
16
Inches

Failure to observe the operating water level may result in pump overheat, malfunctions or abnormal pump
behaviors.
REGULAR INSPECTION
Regular inspections are a necessity for continued efficient functioning of the pump. It is recommended that
a spare pump be kept ready in case of any problems.
Check for any drop-in performance. This may indicate plugged pump inlet, clogging in the pipe line, or
significant wear or damage to the impeller. Turn off the power first before inspection. Remove the
clogged matter or debris and replace damaged or worn impeller. Contact HALF OFF PONDS to order a
new impeller.
Remove all mineral or algae deposits from the surface of the pump motor and wash pump with clean
water.
STORAGE
When the pump is not in use for an extended period, wash it and dry it thoroughly, then store it indoors. If
water is expected to freeze during winter, remove pump from installation and store indoors. In certain
conditions it is recommended that the pump be submerged in a bucket of water and stored at room
temperature.
NOTE: Always, run a test operation before putting the pump back into service.
When the pump is left installed under water, it should be run at regular intervals (about once a week).
TROUBLESHOOTING
WARNING: FAILURE TO DISCONNECT AND LOCKOUT ELECTRICAL POWER BEFORE HANDLING CAN
CAUSE SHOCK, BURNS OR DEATH.
Symptoms and Probable Solutions
Pump does not start
•Electrical problem Check for blown fuse or tripped circuit breaker.
•Power cord damage Contact HALF OFF PONDS for repair service.
•GFCI tripped Check for moisture on plug. Reset GFCI or try another GFCI protected AC outlet.
Replace any faulty GFCI.
•Motor start capacitor damage (possible lightning damage) Contact HALF OFF PONDS for repair
service. Consult qualified electrician for proper in wall wiring and surge protection.
Pump stops operating after starting
•Motor thermal protector tripped Allow motor to cool. Ensure pump always operates above
Minimum Water Level. Clear any mineral and algae deposit on surface of motor housing.

•Obstacle builds in the flow chamber Remove debris and clog matter by running clean water
through the flow chamber. Allow protection circuit to reset after motor cooling.
Ground Fault Interrupter triggers
•Faulty GFI Replace faulty GFI and/or try another GFI outlet.
•Water leak into motor, electrical shorts, motor damage Repair required.
Contact HALF OFF PONDS for assistance.
Reduced flow rate or performance
•Pump inlet plugged Inspect and clear as required. If necessary, disassemble low composite
pump body only and disassemble impeller from motor shaft to remove fibrous matters that wrap
around the impeller.
•Impeller is worn or damaged Inspect impeller, replace as required.
•Pump is air locked or inlet is exposed to air Shut off pump for approximately one minute, then
restart. Repeat until air lock clears. Do not operate the pump below the Minimum Water Level. If air
locking persist in a system with a check valve, a 3/16" hole may be drilled in the discharge pipe
approximately 2" above the discharge connection.
•Excessive system head loss Reduce pipe length, avoid long and winding upward slopes, check for
clog inside the pipeline.
1004 Liberty Industrial Drive
O’Fallon, MO 63366
[phone] │www.halfoffponds.com