INTRODUCTION
EN
This instruction sheet provides you with the information required
to safely own and operate your product. Retain these instructions
for future reference.
The product you have purchased is of the highest quality work-
manship and material, and has been engineered to give you
long and reliable service. This product has been carefully tested,
inspected, and packaged to ensure safe delivery and operation.
Please examine your item(s) carefully to ensure that no damage
occurred during shipment. If damage has occurred, please con-
tact the place of purchase. They will assist you in replacement or
repair, if required.
READ THESE INSTRUCTIONS CAREFULLY BEFORE
ATTEMPTING TO INSTALL, OPERATE, OR SERVICE
YOUR PRODUCT. KNOW THE PRODUCT’S APPLICATION,
LIMITATIONS, AND POTENTIAL HAZARDS. PROTECT
YOURSELF AND OTHERS BY OBSERVING ALL SAFETY
INFORMATION. FAILURE TO COMPLY WITH THESE
INSTRUCTIONS COULD RESULT IN PERSONAL INJURY
AND/OR PROPERTY DAMAGE!
DESCRIPTION
This is a magnetic drive pump intended to move water through
aquarium filtration systems. The pump should be installed external
to the aquarium and filtration systems, and is usually mounted
below the aquarium in the cabinet that houses the filtration sys-
tems. The pump head parts are made of glass filled polypropylene.
The spindle shaft and thrust washers are ceramic. The impeller
driven magnet is coated ceramagnet A (barium ferrite) type ceram-
ic. O-ring seals are nitrile. The motor is thermally protected.
SAFETY GUIDELINES
DANGER: To avoid possible electric shock, special care
should be taken in the use of aquarium equipment. For each
of the following situations, do not attempt repairs yourself;
return the appliance to an authorized service facility for service
or discard the pump.
1. Do not handle the pump with wet hands or when standing on
a wet or damp surface or in water.
2. If the appliance falls into the water, DO NOT reach for it! First
unplug it and then retrieve it. If electrical components of the
appliance get wet, unplug the appliance immediately. (nonim-
mersible equipment only)
3. Carefully examine the appliance after installation. It should
not be plugged in if there is water on parts not intended to be
wet.
4. Do not operate the pump if it has a damaged cord or plug, or if
it is malfunctioning or if it is dropped or damaged in any manner.
5. To avoid the possibility of the pump plug or receptacle get-
ting wet, position aquarium stand and tank to one side of a
wall-mounted receptacle to prevent water from dripping onto
the receptacle or plug. Arrange a drip loop for each cord con-
necting an aquarium pump to a receptacle (Figure 1). The drip
loop is that part of the cord below the level of the receptacle
(or the connector if an extension cord is used) that prevents
water from traveling along the cord and coming in contact with
the receptacle. If the plug or receptacle does get wet, DO NOT
unplug the cord. Disconnect the fuse or circuit breaker that
supplies power to the pump. Then unplug and examine for
presence of water in the receptacle.
6. Close supervision is necessary when any pump is used by or
near children.
7. Always unplug the pump from the outlet when not in use,
before putting on or taking off parts, and before cleaning. Never
yank cord to pull plug from outlet. Grasp the plug and pull to
disconnect.
8. Do not use the pump for other than intended use.
9. Do not install or store the pump where it will be exposed to the
weather or to temperatures below freezing.
1
MAGNETIC DRIVE
AQUARIUM PUMP
2-MDQ-SC 2-MDQX-SC
3-MDQ-SC 3-MDQX-SC
4-MDQ-SC 4-MDQX-SC
Figure 1 • Figure 1 • Figura 1
Franklin Electric Co., Inc.
P. O. Box 12010
Oklahoma City, OK 73157-2010
405.947.2511 • Fax: 405.947.8720
www.LittleGiantPump.com
10. Make sure the pump is securely installed before operating it.
11. Read and observe all the important notices on the pump.
12. If an extension cord is necessary, a cord with a proper rating
should be used. A cord rated for less amperes or watts than the
pump rating may overheat. Care should be taken to arrange
the cord so that it will not be tripped over or pulled.
13. DO NOT USE TO PUMP FLAMMABLE OR EXPLOSIVE FLUIDS
SUCH AS GASOLINE, FUEL OIL, KEROSENE, ETC. DO
NOT USE IN EXPLOSIVE ATMOSPHERES. PUMP SHOULD
ONLY BE USED WITH LIQUIDS COMPATIBLE WITH PUMP
COMPONENT MATERIALS.
14. IN ANY INSTALLATIONS WHERE PROPERTY DAMAGE AND/OR
PERSONAL INJURY MIGHT RESULT FROM AN INOPERATIVE
OR LEAKING PUMP DUE TO POWER OUTAGES, DISCHARGE
LINE BLOCKAGE, OR ANY OTHER REASON, BACKUP SYSTEM(S)
AND/OR ALARM SHOULD BE USED.
15. THIS PUMP IS SUPPLIED WITH A GROUNDING CONDUCTOR
AND/OR GROUNDING TYPE ATTACHMENT PLUG. TO REDUCE
THE RISK OF ELECTRICAL SHOCK, BE CERTAIN THAT IT IS
CONNECTED TO A PROPERLY GROUNDED GROUNDING-
TYPE RECEPTACLE.
16. SUPPORT PUMP AND PIPING WHEN ASSEMBLING AND
WHEN INSTALLED. FAILURE TO DO SO MAY CAUSE PIPING
TO BREAK, PUMP TO FAIL, MOTOR BEARING FAILURES, ETC.
ELECTRICAL CONNECTIONS
Check the pump label for proper voltage required. Do not connect
to voltage other than that shown.
GROUNDING INSTRUCTIONS: This appliance should be ground-
ed to minimize the possibility of electric shock. This appliance is
equipped with an electric cord having an equipment grounding
conductor and a grounding-type plug. The plug must be plugged
into an outlet that is installed and grounded in accordance with all
appropriate codes and ordinances. This appliance is for use on a
normal 120 volt circuit, and has a grounding plug that looks like
the plug illustrated in Figure 2. This pump should not be used with
a three to two grounding adaptor.
OPERATION
1. The pump is supplied completely preassembled and pretested
from the factory. Make sure the nuts (Figure 3, item 13) are
tight before operating the pump.
2. Use a thread sealer on all pipe connections and hand-tighten
only.
3. The pump is not self-priming. It must be operated with the
volute intake below the liquid level.
4. This pump is not submersible. Operate the pump only in the
in-line mode. DO NOT put the pump in liquid. Pump should be
located in a well ventilated area and away from where accidental
water spillage would cause wetting of the pump.
5. The weight of the pump must be supported adequately. DO
NOT support the pump by the intake and discharge connec-
tions alone.
6. Do not allow the pump to run dry (without liquid). Heat buildup
caused by friction will damage the pump parts when dry.
7. Do not attempt to restrict the intake side of these pumps.
Restricting the intake may cause damage to the pump head.
If you require reduced flow rates, then place a valve on the
discharge side of the pump or if flexible vinyl tubing is used, a
clamp can be used on the tubing to restrict the flow.
8. If the pump is to be idle for a period of time, follow the cleaning
instructions outlined in the next section. Do not let the pump
freeze in the wintertime. This may cause cracking or distortion
that may destroy the pump.
AQUARIUM APPLICATIONS
When using this pump for aquarium filter applications, refer to the
instructions and owner’s manual supplied by the filter manufacturer.
SERVICE INSTRUCTIONS
MAKE CERTAIN THAT THE PUMP IS DISCONNECTED FROM
THE POWER SOURCE BEFORE ATTEMPTING TO SERVICE
OR REMOVE ANY COMPONENT!
1. The motor’s sleeve bearings should be lubricated every six
months with two to three drops of S.A.E. 20 weight non-detergent
oil. The oil holes are located on top at each end of the motor.
2. All wetted parts can be serviced by removing the 4 nuts
(Figure 3, item 13) which hold the volute to the housing. The
pump head components can easily be replaced in the field if
necessary.
3. Lightly clean any corrosion or debris which may clog the
impeller.
4. If pump is tripping circuit breakers or GFCI, or not operating prop-
erly after cleaning, return it to Little Giant or its authorized
service center. DO NOT attempt repairs yourself.
INTRODUCTION
FR
Cette feuille d’instructions vous fournit les informations néces-
saires pour entretenir et faire fonctionner votre produit. Conserver
ces directives afin de pouvoir les consulter plus tard.
Le produit que vous avez acheté a été soigneusement fabriqué
avec des matériaux de la plus haute qualité et a été conçu pour
durer longtemps et offrir un service fiable. Les produits sont soi-
gneusement testés, inspectés et emballés afin d’en assurer la
sécurité de fonctionnement et une livraison en bonne condition.
Vérifier attentivement le produit afin de vous assurer qu’il n’a
pas été endommagé pendant le transport. S’il est endommagé,
veuillez contacter l’entreprise qui vous l’a vendu. Si une répara-
tion ou un remplacement est requis, elle vous prêtera assistance.
LIRE ATTENTIVEMENT CES DIRECTIVES AVANT DE
PROCÉDER À L’INSTALLATION, À L’UTILISATION OU À
L’ENTRETIEN DU PRODUIT. SE FAMILIARISER AVEC LES
APPLICATIONS, LES LIMITES ET LES RISQUES POTENTIELS
DU PRODUIT. ASSURER SA PROPRE PROTECTION ET
CELLE DES AUTRES EN SUIVANT TOUTES LES RÈGLES
DE SÉCURITÉ. LE NON-RESPECT DE CES DIRECTIVES
PEUT ENTRAÎNER DES BLESSURES ET/OU DES DOMMAGES
MATÉRIELS!
2
Figure 2 • Figure 2 • Figura 2
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Figure 3 • Figure 3 • Figura 3
CATALOG NO./MODEL • CATALOGUER NON./MODELE • CATALOGE NO./MODELO
ITEM
ARTICLE
ARTÍCULO
PART NO.
PARTIE NO.
PARTE NO.
DESCRIPTION
DESCRIPTION
DESCRIPCION
580506
2-MDQ-SC
580507
2-MDQX-SC
581506
3-MDQ-SC
581903
3-MDQ-SC
581507
3-MDQX-SC
581517
3-MDQX-SC
582506
4-MDQ-SC
582507
4-MDQX-SC
1 977447 MOTOR, 115V
1 1 -- -- -- -- -- --
1 977459 MOTOR, 115V
-- -- 1 1 1 -- -- --
1 977861 MOTOR, 230V
-- -- -- -- -- 1 -- --
1 977446 MOTOR, 115V
-- -- -- -- -- -- 1 1
2 180037 ADAPTOR, MOUNTING
11111111
3 921075 WASHER, FLAT, #8
44444444
4 901424 SCREW, #8-32 x 1/2"
44444444
5 180602 DRIVE MAGNET ASSEMBLY
1 1 -- -- -- -- -- --
5 182602 DRIVE MAGNET ASSEMBLY
----1111----
5 183602 DRIVE MAGNET ASSEMBLY
-- -- -- -- -- -- 1 1
6 180059 SHAFT, CERAMIC
1 1 -- -- -- -- -- --
6 180057 SHAFT, CERAMIC
----111111
7 180004 HOUSING, MAGNET
1 1 -- -- -- -- -- --
7 182005 HOUSING, MAGNET
----111111
8 911403 STUD, COLLARED
44444444
9 921077 WASHER, THRUST, CERAMIC
22222222
10 180100 IMPELLER ASSEMBLY
1--------------
10 180138 IMPELLER ASSEMBLY
--1------------
10 181144 IMPELLER ASSEMBLY
-- -- 1 1 -- -- -- --
10 181153 IMPELLER ASSEMBLY
-- -- -- -- 1 1 -- --
10 182132 IMPELLER ASSEMBLY
-- -- -- -- -- -- 1 --
10 182153 IMPELLER ASSEMBLY
-- -- -- -- -- -- -- 1
11 924007 O-RING, NITRILE, 2-040
11111111
12 180079 VOLUTE
1--------------
12 182012 VOLUTE
--1----11--1
12 181203 VOLUTE
-- -- 1 1 -- -- -- --
12 182010 VOLUTE
-- -- -- -- -- -- 1 --
13 920003 WING NUT, #8-32
4--44----4--
13 920020 HEX NUT, #8-32
--4----44--4
14 180801* PAD, MOUNTING, RUBBER
44444444
*Not shown • Non illustré • No se muestra
MODEL
MODÈLE
MODELO
INTAKE
PRISE
TOMA
DISCHARGE
DÉCHARGE
DESCARGA
2-MDQ-SC ½" FNPT ½" MNPT
2-MDQX-SC 1" FNPT 1" MNPT
3-MDQ-SC ¾" FNPT ½" MNPT
3-MDQX-SC 1" FNPT 1" MNPT
4-MDQ-SC 1" FNPT ½" MNPT
4-MDQX-SC 1" FNPT 1" MNPT
7
LIMITED WARRANTY
Your Little Giant product is guaranteed to be in perfect condition
when it leaves our Factory. It is warranted against defective materials
and workmanship for a period of 12 months from date of purchase
by the user. Any product that should fail for either of the above two
reasons and is still withing the warranty period, will be repaired or
replaced if returned prepaid to our Factory. All defective products
returned under warranty will be fully inspected to determine “CAUSE
OF FAILURE” before warranty is approved. Little Giant will honor
the warranty within the warranty time period specified on satisfac-
tory written proof of purchase.
DISCLAIMER: Any oral statements about the product made by the
seller, the manufacturer, the representatives or any other parties, do
not constitute warranties, shall not be relied upon by the user, and
are not part of the contract for sale. Seller’s and manufacturer’s
only obligation, and buyer’s only remedy, shall be the replacement
and/or repair by the manufacturer of the product as described
above. Neither seller nor the manufacturer shall be liable for any
injury, loss or damage, direct, incidental or consequential (including,
but not limited to, incidental or consequential damages for lost
profits, lost sales, injury to person or property, or any other incidental
or consequential loss), arising out of the use or the inability to use
the product, and the user agrees that no other remedy shall be
available to it. Before using, the user shall determine the suitability
of the product for his intended use, and user assumes all risk of
liability whatsoever in connection therewith. The warranty and
remedy described in this limited warranty is an EXCLUSIVE warranty
and remedy and is IN LIEU OF any other warranty or remedy,
expressed or implied, which other warranties and remedies are hereby
expressly EXCLUDED, including but not limited to any implied
warranty of MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. Some states do not allow the exclusive or limitation of
incidental or consequential damages, so the above limitation or
exclusion may not apply to you. This warranty gives you specific
legal rights, and you may also have other rights which vary from
state to state.
Warranty will be VOID if any of the following conditions are
found:
1. Sealed motor housing opened
2. Product connected to voltage other than indicated on nameplate
3. Cord cut off to a length less than three feet
4. Pump allowed to operate dry (fluid supply cut off)
5. Pump used to circulate anything other than fresh water, light
oils, or other mild liquids at approximately room temperature
6. Product abuse by customer
The National Electric Code requires a Ground Fault Circiut Interrupter
(GFCI) be installed in the branch circuit supplying fountain equip-
ment rated above 15 volts. Little Giant Pump Company offers a
variety of GFCIs and recommends each pump be used with a GFCI.
GARANTIE LIMITÉE
La présente garantit que votre pompe Little Giant est en parfaite
condition à sa sortie de l’usine. La pompe est garantie contre tout
défaut de matériau ou de fabrication pendant une période de 12 mois
à partir de la date d’achat initial. N’importe quel produit défectueux
pour l’une des deux raisons susmentionnées sera remplacé ou
réparé si retourné payé à l’avance à l’usine. Tous les produits
garantis retournés feront l’objet d’une inspection complète afin
de déterminer si la défectuosité est couverte par la garantie. Little
Giant va honorer la garantie dans la période de temps spécifiée.
Une preuve d’achat écrite doit être présentée.
DÉNÉGATION : Toute déclaration sur la pompe faite oralement
par le vendeur, le fabricant, le représentant ou par toute autre
partie ne constitue pas une garantie et, par conséquent, ne peut
ni servir à l’utilisateur ni faire partie du contrat de vente. L’unique
obligation du vendeur et du fabricant, et l’unique recours de
l’acheteur, est le remplacement ou la réparation de la pompe
selon les modalités décrites précédemment. Ni le vendeur ni le
fabricant ne peuvent être tenus responsables de toute blessure,
toute perte ou tout dommage , direct, indirect ou accessoire
(incluant, mais non exclusivement, les ventes ou profits perdus,
les atteintes aux personnes ou à la propriété ou toute autre perte
indirecte ou accessoire) résultant de l’utilisation ou de l’incapacité
d’utilisation de la pompe, et l’acheteur convient qu’il ne dispose
d’aucun autre recours. Avant d’utiliser la pompe, il incombe à
l’acheteur de déterminer si la pompe choisie convient à l’usage
anticipé. L’acheteur accepte tout risque relié au choix de la
pompe. La garantie et les recours énoncés dans les présentes
sont EXCLUSIFS et REMPLACENT toute autre garantie ou recours
explicite ou implicite. Tout autre recours ou garantie est donc
expressément EXCLU. Cela comprend, mais non exclusivement,
toute garantie implicite D’APTITUDE À LA COMMERCIALISATION
OU D’APTITUDE PARTICULIÈRE. Certaines juridictions ne
permettent pas l’exclusion ou la limitation pour des dom-
mages indirects ou accessoires. Par conséquent, la limitation ou
l’exclusion indiquée précédemment peut ne pas être applicable.
Cette garantie vous donne des droits particuliers et peut-être
d’autres, dépendamment des juridictions en vigueur.
La présente garantie sera ANNULÉE si :
1. Le boîtier scellé du moteur a été ouvert
2. Le branchement à une tension autre que celle indiquée sur la
plaque du fabricant a été effectué
3. Le fil d’alimentation a été coupé à une longueur inférieure à
0,91 m (trois pieds)
4. La pompe a tourné à vide (l’alimentation en liquide a été coupée)
5. La pompe a été utilisée pour faire circuler des liquides autres
que de l’eau fraîche, des huiles légères ou d’autres liquides
non corrosifs et ce, à la température ambiante;
6. La pompe a été mal utilisée
Le code national de l’électricité et autres codes semblables d’autres
pays exigent l’installation d’un interrupteur avec mise à la terre (GFCI)
sur le circuit d’alimentation de la fontaine pour toute installation
dont la tension est supérieure à 15 volts. Little Giant Pump Company
offre une assortiment de GFCI et recommande chaque pompe est
utilisé avec un GFCI.
GARANTIA LIMITADA
El producto que Little Giant le ofrece está garantizado a estar en
perfectas condiciones al momento de salir de la fábrica. El producto
está garantizado contra materiales y fabricación defectuosa por un
período de 12 meses desde la fecha en la cual fue comprada por
el usuario. Cualquier bomba que falle por cualquiera de estas dos
causas y aún esté dentro del período de garantía especificado,
será reparada o reemplazada si se devuelve a la fábrica con los
gastos de envío prepagados. Todas las bombas defectuosas
devueltas a la fábrica bajo garantía serán inspeccionadas debi-
damente para determinar la “CAUSA DE FALLA” antes de aprobar
cualquier garantía. Little Giant cumplirá con la garantía dentro del
período de garantía especificado en una prueba de compra escrita
satisfactoria.
DESAUTORIZACION: Cualesquiera afirmaciones orales acerca
del producto hechas por el vendedor, el fabricante, los represent-
antes o cualesquiera otros, no constituyen garantías, no deberán
ser objeto de confianza por parte del usuario, y no son parte del
contrato de venta. La única obligación del vendedor y del fabricante,
y el único recurso del comprador, será el reemplazo y/o la reparación
por el fabricante del producto como se describe arriba. Ni el vendedor
ni el fabricante serán responsables por cualquier lesión, pérdida
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Little GIANT 4-MDQX-SC User manual
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