Grundfos CU 301 Instrucciones De Instalación Y Operación página 4

English (US) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. Limited warranty. . . . . . . . . . . . . . . 4
2. General information . . . . . . . . . . . . . 5
2.1 Hazard statements . . . . . . . . . . . . . . 5
2.2 Notes . . . . . . . . . . . . . . . . . . . . . 5
3. Installing the product . . . . . . . . . . . . 5
3.1 Mechanical installation . . . . . . . . . . . . 5
3.2 Electrical connection . . . . . . . . . . . . . 6
3.3 Positioning the pressure sensor . . . . . . . 7
3.4 Precharge pressure setting . . . . . . . . . . 8
3.5 Pressure relief valve . . . . . . . . . . . . . 8
4. Product introduction . . . . . . . . . . . . 8
4.1 Product description . . . . . . . . . . . . . . 8
4.2 System sizing . . . . . . . . . . . . . . . . . 10
4.3 Intended use . . . . . . . . . . . . . . . . . 11
5. Control functions . . . . . . . . . . . . . . 12
5.1 On/off button . . . . . . . . . . . . . . . . . 12
5.2 Indication of pump operation . . . . . . . . . 12
5.3 Pressure setting. . . . . . . . . . . . . . . . 12
5.4 Button locking . . . . . . . . . . . . . . . . . 13
5.5 Alarm functions . . . . . . . . . . . . . . . . 13
5.6 Service alarm . . . . . . . . . . . . . . . . . 13
5.7 Dry-running protection . . . . . . . . . . . . 14
5.8 Position of LEDs . . . . . . . . . . . . . . . 15
5.9 Grundfos GO Remote menu overview . . . . 16
6. Setting the product . . . . . . . . . . . . . 17
6.1 CU 301 with Grundfos GO Remote . . . . . 17
6.2 Status . . . . . . . . . . . . . . . . . . . . . 17
6.3 Settings . . . . . . . . . . . . . . . . . . . . 17
7. Servicing the product . . . . . . . . . . . . 20
8. Troubleshooting . . . . . . . . . . . . . . . 21
8.1 Troubleshooting with Grundfos GO
Remote . . . . . . . . . . . . . . . . . . . . 21
9. Technical data . . . . . . . . . . . . . . . . 26
10. Pressure sensor voltage chart . . . . . . . 28
11. Disposing of the product . . . . . . . . . . 29
12. Document quality feedback . . . . . . . . 29
4
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.