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Bell & Gossett NRF-25
Xylem Bell & Gossett NRF-25 User Manual
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Installation, Operation,
and Maintenance Manual
NRF
™
-25,36,45/
NBF
™
-25,36, and 45
Circulator
2
Table of Contents
Table of Contents
3
Introduction and Safety
4
Introduction
4
Safety
4
Safety Terminology and Symbols
4
User Safety
5
Environmental Safety
6
Product Warranty
7
Transportation and Storage
8
Inspect the Delivery
8
Inspect the Package
8
Inspect the Unit
8
Pump Storage Requirements
8
Product Description
9
General Description
9
Operational Specifications
9
Installation
10
Pump Location Guidelines
10
Pump Orientation
10
Change the Conduit Position
10
Install Suction and Discharge Flange Connectors on the Pipe Ends
11
Connect the Wiring
11
Wiring Diagram
12
Install a Check Valve
12
Commissioning, Startup, Operation, and Shutdown
14
Pump Operation Precautions
14
Prepare the System
14
Start the Pump
14
Select the Speed
14
Performance Characteristic Curve
15
Maintenance
17
Periodic Inspection
17
Remove the Pump from an Existing System
17
Troubleshooting
18
Pumping System Troubleshooting
18
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Xylem Bell & Gossett NRF-25 Specifications
General
Brand
Xylem
Model
Bell & Gossett NRF-25
Category
Water System
Language
English
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