Grundfos CMBE 3-93 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. Product introduction . . . . . . . . . . . . 6
3.1 Intended use . . . . . . . . . . . . . . . . . 6
3.2 Pumped liquids . . . . . . . . . . . . . . . . 6
3.3 Identification. . . . . . . . . . . . . . . . . . 6
3.4 Approvals . . . . . . . . . . . . . . . . . . . 7
4. Receiving the product. . . . . . . . . . . . 7
4.1 Handling the product . . . . . . . . . . . . . 7
5. Mechanical installation . . . . . . . . . . . 7
5.1 Mounting the product . . . . . . . . . . . . . 7
5.2 Cable entries . . . . . . . . . . . . . . . . . 8
5.3 Motor cooling . . . . . . . . . . . . . . . . . 8
5.4 Outdoor installation . . . . . . . . . . . . . . 8
5.5 Drain holes . . . . . . . . . . . . . . . . . . 8
6. Electrical connection . . . . . . . . . . . . 9
6.1 Protection against electric shock, indirect
contact. . . . . . . . . . . . . . . . . . . . . 9
6.2 Mains supply . . . . . . . . . . . . . . . . . 9
6.3 Wiring diagram . . . . . . . . . . . . . . . . 10
7. Starting up the product . . . . . . . . . . . 16
7.1 Flushing the system. . . . . . . . . . . . . . 16
7.2 Positive inlet pressure startup procedure . . 16
7.3 Flooded suction and suction lift startup
procedures . . . . . . . . . . . . . . . . . . 16
8. Control functions . . . . . . . . . . . . . . 17
8.1 Constant pressure . . . . . . . . . . . . . . 17
8.2 Dry-running protection . . . . . . . . . . . . 17
8.3 Bus signal . . . . . . . . . . . . . . . . . . . 17
8.4 Fault and warning signals . . . . . . . . . . 18
8.5 Standard operating panel . . . . . . . . . . . 20
8.6 Setting by means of the operating panel . . 21
8.7 Priority of Settings . . . . . . . . . . . . . . 22
9. Servicing the product . . . . . . . . . . . . 23
9.1 Maintenance . . . . . . . . . . . . . . . . . 23
9.2 Motor cleaning . . . . . . . . . . . . . . . . 23
9.3 Refilling of the diaphragm tank . . . . . . . . 23
10. Taking the product out of operation . . . . 23
10.1 Maintaining the product during standstill . . 23
11. Fault finding the product . . . . . . . . . . 24
11.1 The pump is not running and there is no
indicator light . . . . . . . . . . . . . . . . . 24
11.2 The pump rotates backwards. . . . . . . . . 24
11.3 The pump can be reset but runs only for
a few seconds. . . . . . . . . . . . . . . . . 24
4
11.4 The performance is unstable and there is
a green indicator light . . . . . . . . . . . . . 25
11.5 The pump is not running and the motor
shows a red indicator light . . . . . . . . . . 25
12. Setting by means of the operating
panel . . . . . . . . . . . . . . . . . . . . . 26
12.1 Operating conditions . . . . . . . . . . . . . 26
13. Disposing of the product . . . . . . . . . . 27
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 which 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.
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.