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Xylem Bell & Gossett NRF-25 User Manual

Xylem Bell & Gossett NRF-25
20 pages
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Table of Contents
Introduction and Safety..................................................................................................................2
Introduction..................................................................................................................................2
Safety.............................................................................................................................................2
Safety terminology and symbols........................................................................................... 2
User safety................................................................................................................................ 3
Environmental safety...............................................................................................................4
Product warranty......................................................................................................................5
Transportation and Storage.......................................................................................................... 6
Inspect the delivery.....................................................................................................................6
Inspect the package................................................................................................................6
Inspect the unit........................................................................................................................ 6
Pump storage requirements...................................................................................................... 6
Product Description........................................................................................................................7
General description.................................................................................................................... 7
Operational specifications......................................................................................................... 7
Installation........................................................................................................................................8
Pump location guidelines...........................................................................................................8
Pump orientation.........................................................................................................................8
Change the conduit position..................................................................................................... 8
Install suction and discharge flange connectors on the pipe ends...................................... 9
Connect the wiring......................................................................................................................9
Wiring diagram......................................................................................................................10
Install a check valve...................................................................................................................10
Commissioning, Startup, Operation, and Shutdown...............................................................12
Pump operation precautions...................................................................................................12
Prepare the system................................................................................................................... 12
Start the pump...........................................................................................................................12
Select the speed........................................................................................................................12
Performance characteristic curve............................................................................................13
Maintenance..................................................................................................................................15
Periodic inspection................................................................................................................... 15
Remove the pump from an existing system...........................................................................15
Troubleshooting........................................................................................................................... 16
Pumping system troubleshooting...........................................................................................16
Table of Contents
NRF
-25,36,45/NBF
-25,36, and 45 Circulator Installation, Operation, and Maintenance Manual 1

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Xylem Bell & Gossett NRF-25 Specifications

General IconGeneral
BrandXylem
ModelBell & Gossett NRF-25
CategoryWater System
LanguageEnglish

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