Grundfos CRN 125-7, Инструкция по установке и эксплуатации

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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
2.3 Safety information for the motor . . . . . . . 5
3. Product introduction . . . . . . . . . . . . 6
3.1 Applications . . . . . . . . . . . . . . . . . . 6
3.2 Intended use . . . . . . . . . . . . . . . . . 6
3.3 Identification. . . . . . . . . . . . . . . . . . 7
3.4 Type key. . . . . . . . . . . . . . . . . . . . 7
4. Receiving the product. . . . . . . . . . . . 9
4.1 Transporting the product . . . . . . . . . . . 9
4.2 Unpacking the product . . . . . . . . . . . . 9
4.3 Inspecting the product . . . . . . . . . . . . 9
4.4 Lifting the product . . . . . . . . . . . . . . . 9
5. Mechanical installation . . . . . . . . . . . 13
5.1 Drive-end motor bearing . . . . . . . . . . . 14
5.2 CRN 95, 125, 155 high-pressure range . . . 14
5.3 Motors for Variable Frequency Drive
(VFD) . . . . . . . . . . . . . . . . . . . . . 14
5.4 Installation guidelines . . . . . . . . . . . . . 14
5.5 Foundation . . . . . . . . . . . . . . . . . . 16
5.6 Vibration dampening . . . . . . . . . . . . . 17
5.7 Outdoor installation . . . . . . . . . . . . . . 17
5.8 Tightening torques . . . . . . . . . . . . . . 18
5.9 Flange forces and torques . . . . . . . . . . 19
6. Electrical connection . . . . . . . . . . . . 20
6.1 Maximum absorbed current . . . . . . . . . 20
7. Starting up the product . . . . . . . . . . . 21
7.1 Startup procedure. . . . . . . . . . . . . . . 21
7.2 Shaft seal run-in. . . . . . . . . . . . . . . . 22
7.3 Operating the product. . . . . . . . . . . . . 22
8. Servicing the product . . . . . . . . . . . . 23
8.1 Contaminated pumps . . . . . . . . . . . . . 24
8.2 Service documentation . . . . . . . . . . . . 24
8.3 Maintaining the product . . . . . . . . . . . . 24
9. Taking the product out of operation . . . . 25
9.1 Taking the product permanently out of
operation . . . . . . . . . . . . . . . . . . . 25
10. Storing the product . . . . . . . . . . . . . 26
10.1 Frost protection . . . . . . . . . . . . . . . . 26
11. Fault finding the product . . . . . . . . . . 27
11.1 The motor does not run when started . . . . 27
11.2 The motor-protective circuit breaker trips
immediately when the power supply is
switched on . . . . . . . . . . . . . . . . . . 27
11.3 The motor-protective circuit breaker trips
occasionally . . . . . . . . . . . . . . . . . . 28
11.4 The motor-protective circuit breaker has
not tripped, but the pump does not run. . . . 28
11.5 The pump performance is not constant . . . 28
11.6 The pump runs, but gives no water . . . . . 28
11.7 The pump runs backwards when
switched off . . . . . . . . . . . . . . . . . . 28
11.8 Leakage in the shaft seal . . . . . . . . . . . 28
11.9 Noise . . . . . . . . . . . . . . . . . . . . . 29
12. Technical data . . . . . . . . . . . . . . . . 30
12.1 Operating conditions . . . . . . . . . . . . . 30
12.2 Electrical data . . . . . . . . . . . . . . . . . 31
12.3 Dimensions and weights . . . . . . . . . . . 31
13. Disposing of the product . . . . . . . . . . 31
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
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English (US)