Table Des Matières; General Information; Limited Warranty - Grundfos NBS Serie Notice D'installation Et De Fonctionnement

English (US) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Limited warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Hazard statements . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.3 Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.4 Target group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2. Product introduction. . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Product description . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Pumped liquids . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3. Receiving the product . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Performance test . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Transporting the product . . . . . . . . . . . . . . . . . . . . . 10
3.3 Inspecting the product. . . . . . . . . . . . . . . . . . . . . . . 10
3.4 Storage after delivery . . . . . . . . . . . . . . . . . . . . . . . 10
3.5 Lifting the product . . . . . . . . . . . . . . . . . . . . . . . . . 10
4. Installation requirements . . . . . . . . . . . . . . . . . . . . 11
4.1 Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2 Installation positions . . . . . . . . . . . . . . . . . . . . . . . . 11
5. Mechanical installation . . . . . . . . . . . . . . . . . . . . . 11
5.1 Foundation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2 Pipes and connections . . . . . . . . . . . . . . . . . . . . . . 13
5.3 Expansion joints . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.4 Measuring instruments . . . . . . . . . . . . . . . . . . . . . . 14
6. Electrical connection . . . . . . . . . . . . . . . . . . . . . . 14
6.1 Voltage and frequency variation . . . . . . . . . . . . . . . . . 14
6.2 Motor protection . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.3 Frequency converter operation . . . . . . . . . . . . . . . . . 15
7. Startup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.1 Flushing the pipe system . . . . . . . . . . . . . . . . . . . . . 15
7.2 Priming the product . . . . . . . . . . . . . . . . . . . . . . . . 15
7.3 Checking the direction of rotation . . . . . . . . . . . . . . . . 16
7.4 Starting up the pump . . . . . . . . . . . . . . . . . . . . . . . 16
7.5 Shaft seal run-in period . . . . . . . . . . . . . . . . . . . . . . 16
7.6 Reference readings of monitoring equipment . . . . . . . . . 16
8. Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8.1 Contaminated products . . . . . . . . . . . . . . . . . . . . . . 17
8.2 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8.3 Service kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9. Taking the product out of operation . . . . . . . . . . . . . 18
9.1 Protecting the pump during periods of inactivity and
frost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9.2 Short-term shutdown . . . . . . . . . . . . . . . . . . . . . . . 18
9.3 Long-term shutdown. . . . . . . . . . . . . . . . . . . . . . . . 18
9.4 Storing the product. . . . . . . . . . . . . . . . . . . . . . . . . 18
10. Fault finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
11. Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
11.1 Operating conditions. . . . . . . . . . . . . . . . . . . . . . . . 21
11.2 Electrical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
12. Disposing of the product . . . . . . . . . . . . . . . . . . . . 22
4

1. General information

Read this document before you install the product.
Installation and operation must comply with local
regulations and accepted codes of good practice.

1.1 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 from date 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 charges that 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 not installed
in accordance with Grundfos' printed installation and operating
instructions and accepted codes of good practice. The warranty
does not cover normal wear and tear. 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 or dealer 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 expenses arising 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
limitations on how long implied warranties 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. Products which are
repaired or replaced by Grundfos or authorized service center
under the provisions of these limited warranty terms will continue to
be covered by Grundfos warranty only through the remainder of the
original warranty period set forth by the original purchase date.