KNF NF 100 - User Manual

KNF Flodos BA_NF100_EN_10_067676.docx
Translation of original Operating and Installation Instructions Keep for future reference!
DIAPHRAGM LIQUID PUMP
NF 100, NF 1.100, NFB 100
Operating and
Installation
Instructions
Read and observe these
Operating and Installation
Instructions!
An additional letter prefixing
the NF model code is a coun-
try-specific designation, with
no technical relevance.
Contents Page
1. About this document ................................................................. 2
2. Use ........................................................................................... 3
3. Safety ....................................................................................... 5
4. Technical data .......................................................................... 7
5. Assembly and function ........................................................... 10
6. Installation and connection ..................................................... 12
7. Operation ................................................................................ 20
8. Servicing ................................................................................. 25
9. Troubleshooting ...................................................................... 29
10. Spare parts and accessories .................................................. 31
11. Return of the pump ................................................................. 32
KNF Flodos AG
Wassermatte 2
6210 Sursee, Switzerland
Tel +41 (0)41 925 00 25
Fax +41 (0)41 925 00 35
www.knf.com
info.flodos@knf.com
NF 100 KP .51 .27 DC 12V
AA / DC / DCB / DCB
-
4
.51 / - [Ch. 2]
KP / KT / TT / FT [Ch. 4]
NF / UNF / JNF / NFB / UNFB
Supply voltage [Ch. 4]
100 / 1.100
- / PMLxxxx / PLxxxx [Ch. 1]
.27 / - [Ch. 5]

Summary

About this document

Manual Usage and Project Pumps

Details how to use the manual and specific considerations for customer-specific project pumps.

Document Symbols and Markings

Explains warning symbols, signal words, and other important markings used throughout the document.

Use

Intended Use and Owner Responsibility

Defines the pump's intended applications and outlines the owner's responsibilities for correct operation.

Prohibited Use Cases

Warns against operating the pump in potentially explosive atmospheres, highlighting improper use scenarios.

Safety

General Safety and Handling Guidelines

Covers personnel safety, handling hazardous media, environmental protection, and proper disposal of pump components.

EU Standards and Service Requirements

Details compliance with EU directives and standards, plus customer service and repair guidelines.

Technical data

Pump Material Specifications

Lists the materials used for pump heads, diaphragms, and other parts for different pump models (KP, KT, TT, FT).

Hydraulic Ratings and Connections

Covers hydraulic ratings, connections, and NF 100 AA electrical/weight specs.

NF 1.100 and NFB 100 DCB-4 Specifications

Details electrical, weight, and operational parameters for NF 1.100 and NFB 100 DCB-4 pump models.

Assembly and function

Pump Operating Principle

Explains the reciprocating displacement mechanism and the function of key components like the diaphragm and valves.

NF 100 and NFB 100 Pump Versions

Describes the fixed flow rate operation of NF 100 and the dual-head functionality of the NFB 100 pump.

NF 100.27 Version Features

Details the NF 100.27 model, which includes overpressure limiting via an integrated overflow valve.

Installation and connection

Pump Mounting Dimensions

Provides detailed mounting dimensions for various NF pump models through figures and diagrams.

Installation Location and Position

Advises on optimal installation location, position, cooling air supply, and protection against environmental factors.

Electrical Safety and Motor Connections

Covers electrical safety precautions, connecting AC/DC motors, and using supplemental circuits for DCB motors.

Supplemental Circuit for DCB Motors

Explains the necessity and wiring diagram for a supplemental circuit to ensure emission compliance for DCB motors.

Connecting Hydraulic Components and Hoses

Guides on connecting components, selecting hoses, and ensuring system leak-tightness.

NFB Pump Hose Configuration

Details hose connection options for NFB versions to reduce pulsation and avoid pump damage.

Operation

Pump Operation Safety Precautions

Covers safety warnings for heat, overpressure, hot media, and automatic pump restarts during operation.

Switching and Duty Cycle Operation

Explains how to switch pumps on/off, duty cycle considerations for motor longevity.

Pump Flow Rate Performance

Presents flow rate performance graphs for NF and NFB pump models under various suction and pressure conditions.

Servicing

Maintenance Schedule and Cleaning

Outlines recommended servicing intervals and procedures for cleaning the pump and its components.

Pump Head Disassembly and Part Cleaning

Provides steps for disassembling the pump head, cleaning or replacing parts, and handling dangerous substances.

Pump Head Reassembly and Leak Testing

Details the process of reassembling the pump head for NF/NFB and NF 100.27 versions and leak testing.

Overflow Adjustment Procedure

Explains the method for adjusting the pump's overflow valve using a test setup and instrumentation.

Troubleshooting

Pump Operation and Priming Issues

Addresses common problems like pump not working or not priming, listing causes and remedies.

Performance and Unresolvable Faults

Covers issues like low flow rate, high resistance, and procedures for pumps that cannot be rectified.

Spare parts and accessories

Spare Parts Kits and Accessories Listing

Lists available spare parts kits and accessories with their corresponding order numbers for purchasing.

Return of the pump

Pump Repair and Return Process

Details the requirements and procedures for returning a pump for repair, including necessary documentation.

KNF NF 100 Specifications

General

Brand	KNF
Model	NF 100
Category	Water Pump
Language	English