Bombas Grunfos

Grundfos.book Page 1 Monday, May 23, 2011 10:17 AM

GRUNDFOS INSTRUCTIONS

MQ
Installation and operating instructions

C

US

Grundfos.book Page 2 Monday, May 23, 2011 10:17 AM

LIMITED WARRANTY
Products manufactured by GRUNDFOS PUMPS CORPORATION (Grundfos) are
warranted to the original user only to be free of defects in material and workmanship
for a period of 24 months fromdate of installation, but not more than 30 months from
date of manufacture. Grundfos' liability under this warranty shall be limited to repairing or replacing at Grundfos' option, without charge, F.O.B. Grundfos' factory or
authorized service station, any product of Grundfos' manufacture. Grundfos will not
be liable for any costs of removal, installation, transportation, or any other chargeswhich may arise in connection with a warranty claim. Products which are sold but
not manufactured by Grundfos are subject to the warranty provided by the manufacturer of said products and not by Grundfos' warranty. Grundfos 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 notinstalled
in accordance with Grundfos' printed installation and operating instructions.
To obtain service under this warranty, the defective product must be returned to the
distributor or dealer of Grundfos' 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 ordealer will contact Grundfos or
an authorized service station for instructions. Any defective product to be returned
to Grundfos 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.
GRUNDFOS WILL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES, LOSSES, OR EXPENSESARISING FROM INSTALLATION,
USE, OR ANY OTHER CAUSES. 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.
Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages and some jurisdictions do not allow limit actions on how long
impliedwarranties may last. 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.

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Contents

Grundfos.book Page 3 Monday, May 23, 2011 10:17 AM

MQ
English (US)
Installation and operating instructions . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . .4
Español (MX)
Instrucciones de instalación y funcionamiento. . . . . . . . . . . . . . . . . . . . . . . . . .23
Français (CA)
Notice d'installation et de fonctionnement . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

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Grundfos.book Page 4Monday, May 23, 2011 10:17 AM

English (US)

English (US) Installation and operating instructions
CONTENTS

WARNING
Page

1.

Introduction

2.

Items supplied

3.

Symbols used in this document

4.
4.1

Applications
Pumped liquids

5.
5.1

Identification
Type key

6.
6.1

Operating conditions
Suction lift

7.
7.1
7.2
7.3
7.4
7.5

Mechanicalinstallation
Location
Foundation
Space requirement
Pipework
Protective cover

8.
8.1
8.2
8.3
8.4
8.5

Electrical connection
Generator or inverter
Wiring diagram
Winding resistance measurement
Winding resistance measurement
Start-up

9.
9.1
9.2

Functions
Control panel
Pump stop

10.
10.1
10.2

Maintenance
Service kits
Start-up after a long period of inactivity

11....