Table of Contents
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English (US) Installation and operating instructions
CONTENTS
1.
Limited warranty
2.
Installation - mechanical
2.1
Pump identification
2.2
Receiving
2.3
Temporary storage
2.4
Location
2.5
Vertical mounting instructions
2.6
Mechanical seals
3.
Installation-electrical
3.1
Motors general
3.2
Installation wiring
4.
Operation
4.1
Priming
4.2
Pre-start checklist
4.3
Motor rotation
4.4
Starting the pump
4.5
Voltage regulation
4.6
Pump shutdown
4.7
Short duration shutdown
4.8
Extended period shutdown
5.
Maintenance
5.1
Motor lubrication
5.2
Cross section and parts list for EB 20503-2
5.3
Cross section and parts list for EB 20501-5
5.4
Disassembly of pumps
5.4.1 Disassembly of liquid end
5.5
Reassembly of pumps
5.6
Ordering parts
5.7
Parts kit
Warning
Prior to installation, read these installation and
operating instructions. Installation and operation
must comply with local regulations and accepted
codes of good practice.
Warning
The use of this product requires experience with
and knowledge of the product. Persons with
reduced physical, sensory or mental
capabilities must not use this product, unless
they are under supervision or have been
instructed in the use of the product by a person
responsible for their safety. Children must not
use or play with this product.
1. Limited warranty
Page
Products manufactured by GRUNDFOS PUMPS CORPORATION
(Grundfos) are warranted to the original user only to be free of
3
defects in material and workmanship for a period of 24 months
4
from date of installation, but not more than 30 months from date
4
of manufacture. Grundfos' liability under this warranty shall be
4
limited to repairing or replacing at Grundfos' option, without
4
charge, F.O.B. Grundfos' factory or authorized service station,
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any product of Grundfos' manufacture. Grundfos will not be liable
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for any costs of removal, installation, transportation, or any other
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charges which may arise in connection with a warranty claim.
4
Products which are sold but not manufactured by Grundfos are
4
subject to the warranty provided by the manufacturer of said
4
products and not by Grundfos' warranty. Grundfos will not be
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liable for damage or wear to products caused by abnormal
5
operating conditions, accident, abuse, misuse, unauthorized
5
alteration or repair, or if the product was not installed in
5
accordance with Grundfos' printed installation and operating
5
instructions. To obtain service under this warranty, the defective
5
product must be returned to the distributor or dealer of Grundfos'
5
products from which it was purchased together with proof of
5
purchase and installation date, failure date, and supporting
5
installation data. Unless otherwise provided, the distributor or
5
dealer will contact Grundfos or an authorized service station for
5
instructions. Any defective product to be returned to Grundfos or
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a service station must be sent freight prepaid; documentation
6
supporting the warranty claim and/or a Return Material
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Authorization must be included if so instructed. GRUNDFOS
WILL NOT BE LIABLE FOR ANY INCIDENTAL OR
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CONSEQUENTIAL DAMAGES, LOSSES, OR EXPENSES
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ARISING FROM INSTALLATION, USE, OR ANY OTHER
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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 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.
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