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GRUNDFOS INSTRUCTIONS
VersaFlo® TP
Direct Coupled In-Line Single Stage
Circulator Pumps
Installation and operating instructions
L-TP-TL-001 10/06
PRINTED IN THE USA
www.grundfos.com
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.
U.S.A.
GRUNDFOS Pumps Corporation
17100 West 118th Terrace
Olathe, Kansas 66061
Phone: +1-913-227-3400
Telefax: +1-913-227-3500
Canada
GRUNDFOS Canada, Inc.
2941 Brighton Road
Oakville, Ontario
L6H 6C9
Phone: +1-905-829-9533
Telefax: +1-905-829-9512
Mexico
Bombas GRUNDFOS de Mexico S.A. de C.V.
Boulevard TLC No. 15
Parque Industrial Stiva Aeropuerto
C.P. 66600 Apodaca, N.L. Mexico
Phone: +1-52-81-8144 4000
Telefax: +1-52-81-8144 4010
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.
Please leave these instructions with the pump for future reference.
Notes
14
Contents
Page
1. Pre-Installation Checklist 4
1.1 Confirm You Have the 4
Right Pump
1.2 Check the Condition of 4
the Pump
1.3 Electrical Requirements 4
1.4 Is the Application Correct 4
for This Pump?
1.5 Read This Guide Thoroughly 5
2. Installation Procedures 5
2.1 Electrical Preparation 5
2.1.1 Terminal Box Position 5
2.1.2 Single-Phase Motors 5
2.1.3 Three-Phase Motors 5
2.1.4 Other Wiring Considerations 5
2.2 Piping Considerations 5
2.3 Installing the Pump 6
2.3.1 Pump Location 6
2.3.2 Position in Piping System 6
2.3.3 Proper Orientation 6
2.3.4 Direction of Flow for 6
Specific Applications
2.3.5 Suggested Accessories 6
2.4 Electrical Hookup 6
3. Starting the Pump the 6
First Time
3.1 Prime the Pump 6
3.1.1 In Closed/Open System 6
Where Water Source is
Above the Pump
3.1.2 In Open Systems 7
3.2 Check the Direction of 7
Rotation
3.3 Starting and Adjusting 7
4. Maintenance 7
4.1 Servicing the Pump Head 7
4.1.1 Step 1: Remove the Pump 7
Head
4.1.1.1 Assembly 8
4.1.2 Step 2: Re-Install the Pump 8
Head
4.1.3 Motor Replacement 9
4.1.3.1 Disassembly 9
Page
4.1.4 Pump Lubrication 9
4.1.5 Motor Lubrication 9
4.1.6 Lubrication Schedule 9
4.1.7 Periodic Safety Checks 9
4.1.8 Service Conditions 10
4.1.9 Rapid Cycling 10
4.1.10 Freeze Protection 10
5. Troubleshooting 10
5.1 Preliminary Checks 10
5.1.1 Supply Voltage 10
5.1.1.1 How to Measure 10
5.1.1.2 Evaluation 10
5.1.2 Current Measurement 10
5.1.2.1 How to Measure 10
5.1.2.2 Evaluation 10
5.1.3 Winding Resistance 11
5.1.3.1 How to Measure 11
5.1.3.2 Evaluation 11
5.1.4 Insulation Resistance 11
(Lead to Ground)
5.1.4.1 How to Measure 11
5.1.4.2 Evaluation 11
5.2 Diagnosing Specific Problems 12
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