TetraPond DHP3600 - Maintenance and Care; Maintenance Safety Precautions; Routine Cleaning and Checks; Hard Water Problem Solutions

Disassembly & Cleaning
Thereshouldbenoreasontoopenthecageorpump,unlessthepumping
performance has diminished or stopped working and you have performed
steps 1 & 2 in the maintenance & care section:
1. Turnoffthepowersupply.
2. Movethepumptoadrylocation.
 •Loosentheboltstoopenthecageandaccessthepump.
 •Removethescrewsfromtheimpellercover.
 •Removetheimpellercoverfromthepumpbodybygentlyshakingtheunit.
3. Pulltherotorassemblyoutofthepumpbody.
4. Carefullywashthepartswithfreshwater.
5. Carefullyreassembletherotorintothepumpbodyaftercleaning;makesure
the 2 holes on the impeller base and the 2 dowels on the pump body fit
together for proper assembly.
6. Turntherotorbyhand.Therotorshouldmovefreely.DONOTFORCEROTOR.
7. BesuretherubberO-ringofthepumpbodyisseatedproperly.
8. Replacetheimpellercoveronthepumpbodyandtightenthe
stainless steel screws.
9. Submergeinwaterbeforeoperating.Never run the pump dry!
Placepumpatthebottomofthepond.Pumptoanexternallter.
Note:Beawarethatltersreducetheowtowaterfallsandstreams.Typically
areductionof45%isexpectedinwaterowthroughapressurelter.
WARNING – THIS PUMP IS FITTED WITH A THERMAL CUT-OFF DEVICE
THAT TEMPORARILY SWITCHES OFF THE PUMP IN THE EVENT OF
OVERHEATING. THE PUMP MAY START AUTOMATICALLY AFTER THE PUMP
COOLS DOWN.
NEVER RUN THE PUMP OUT OF WATER as this may cause irreparable
damage to the pump!
Using TetraPond Debris Handling Pump to power lters
and waterfalls
Maintenance and Care
BEFORE CARRYING OUT ANY MAINTENANCE, THE PUMP MUST BE
DISCONNECTED FROM THE MAIN ELECTRICITY SUPPLY.
Whenremovingthepumpfromthepond,DONOTliftitbytheelectricalcable
asthismaycauseirreparabledamagetothecable,whichcannotbereplaced.
Usethehandletoliftthepumpfromthepond.
Aropemaybeattachedtothehandleofthepumpandtoaoat(notincluded),
to allow the pump to be easily located and raised to the water surface.
ThedesignfeaturesincorporatedintheTetraPondDHPPumpminimizethe
amountofmaintenance,however,ifowfromthepumpappearstodecline,
check the following:
1. Theltercagehasbecomecoveredwithalayerofdebris.Tocleancage,
simply remove the pump from the pond and clean the debris which has
collected around the outside the cage.
2. Ifthepumpdoesnotwork,checktheGFCI,circuitbreakerand
electricity supply.
3. Theimpellerhasbecomejammedorblocked(seesectionondisassembly
 &cleaning).
Hard Water Problems
WiththeTetraPondDHPpumpnewdesignandtechnologyitisuncommonto
haveanyinternalsedimentproblems,butinareaswithveryhardwater,itmay
be necessary to remove lime deposits from the rotor assembly annually. Follow
disassemblysteps1through4andthensoaktherotorassemblyovernightina
de-scaler(suchaswhitevinegar).After12hoursofsoaking,gentlycleanthe
rotor with a cloth and re-soak for an hour to remove any additional lime scale.
Rinsethoroughlywithwater.Repeatifnecessary.Thenreassemblethepump.
Winter Care
Aslongastheunitdoesnotbecomeicedup,itcanrunthroughoutthewinter.
However,ifthereisadangeroficing-up,theunitshouldberemovedfrom
the pond.
Ifthepumpisrequiredtorunthroughoutthewinter,itisadvisabletomove
ittoshallowerwater(onamarginalplantshelfforexample)tominimize
disturbance to the fish resting in the warmer water which collects at the
bottom of the pond during the colder weather.
©
2008TetraHolding(US)Inc.
3001CommerceStreetBlacksburg,VA24060-6671
WARRANTY
Tetra warranties the products listed below will be repaired or
replaced free of charge for the specied number of years from the
date of purchase if it fails to work because of defective material
or workmanship.
Debris Handling Pump DHP3600/DHP4200 3 Years
Thiswarrantyissubjecttothefollowingterms:
1.Shoulditbecomenecessarytoreturntheproductduringthe
warrantyperiod,sendtheproductdirectlytoTetra,Consumer
Services,3001CommerceStreet,Blacksburg,Virginia24060-6671.
2.Tetra’sdecisiononallquestionsrelatingtoallegeddefectsand
repair shall be conclusive.
3.Thiswarrantydoesnotinvalidateyourstatutoryrights,but
preserves your full benefits.
4.Repairpartsorreplacementproductwillbegivenonanexchange
basisandwilleitherbenew,equivalenttonew,orreconditioned.
All customer returned parts or products that we replace become the
propertyofTetra.
5.Thewarrantydoesnotcovernormalwearandtear,norany
deteriorationsufferedthroughoverloading,improperuse,
negligenceoraccident.Similarly,anymodicationmadebythe
purchaser to the appliance will invalidate the warranty.
6.ExceptassetforthinthisWarranty,Tetraexpresslydisclaimsany
and all liability for any loss or damage whatsoever sustained by the
purchasertothefullestextentpermittedbyapplicablelaw.
Warranty card
on reverse side.
Questions? Problems? Missing Parts?
Beforereturningtheproduct,pleasecallour
Customer Care Department at 800-526-0650,
Monday–Friday7:30a.m.to5:30p.m.,EasternUSATime
or email us at consumer@tetra-sh.com.
Our Customer Care Department is here to provide assistance
to help you solve your problem.
Please visit us at www.tetrapond.com!