KNF NFB 30 Operating And Installation Instructions

KNF NFB 30 Operating And Installation Instructions

Diaphragm liquid pump

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DIAPHRAGM LIQUID PUMP
NF 30, NFB 30
NF 30 KP .51 .27 DC 12V
.51 / - [Ch. 2]
KP / KT / TT / FT [Ch. 4]
30
NF / JNF / NFB
- / PMLxxxx / PLxxxx [Ch. 1]
Operating and
Installation
Instructions
Read and observe these
operating and installation
instructions!
An additional letter prefixing
the NF model code is a
country-specific designation,
with no technical relevance.
KNF Flodos AG
Wassermatte 2
6210 Sursee, Switzerland
Tel. +41 (0)41 925 00 25
Fax +41 (0)41 925 00 35
www.knf-flodos.ch
info@knf-flodos.ch
KNF Flodos AG BA_NF30_EN_05_069206.docx
Translated from the Original Operating and Installation Instructions
Supply voltage [Ch. 4]
E / DC / DCB-B / DCB-4B
.27 / - [Ch. 5]
Contents
1. About this document ................................................................. 2
2. Use ........................................................................................... 3
3. Safety ....................................................................................... 5
4. Technical data .......................................................................... 7
5. Assembly and function ........................................................... 10
6. Installation and connection ..................................................... 11
7. Operation ................................................................................ 18
8. Servicing ................................................................................. 21
9. Troubleshooting ...................................................................... 25
10. Decontamination declaration .................................................. 27
Page
Keep for future reference!

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Summarization of Contents

About This Document
Use of Operating and Installation Instructions
Explains the purpose and scope of the manual.
Symbols and Markings
Details warning symbols, signal words, and danger levels.
Use
Proper Use
Defines the intended application and owner responsibilities for pump usage.
.51* Version - Food Grade Approval
Details NSF certification and suitability for foodstuff applications.
Improper Use
Outlines prohibited operating conditions and modifications.
Safety
Personnel and Safety Practices
Emphasizes trained personnel, safety regulations, and handling dangerous media.
Environmental Protection and Disposal
Covers proper storage, disposal of parts, and packaging.
EU Directives and Standards
Lists relevant EU directives and harmonised standards the pumps comply with.
Customer Service and Repairs
States that repairs must be performed by KNF Customer Service.
Technical Data
Pump Materials
Details the materials used for different pump types (KP, KT, TT, FT).
Hydraulic Ratings
Provides flow rate, pressure, and suction head specifications.
Hydraulic Connections
Specifies recommended hose size for connections.
Specifications NF 30 DC
Lists electrical and physical specs for NF 30 DC models.
Specifications NF 30 DCB-B / DCB-4B
Lists electrical and physical specs for NF 30 DCB-B/DCB-4B models.
Specifications NFB 30 DCB-B / DCB-4B
Lists electrical and physical specs for NFB 30 DCB-B/DCB-4B models.
Specifications 30 E
Lists electrical and physical specs for NF 30 E models.
Various Parameters
Details ambient/media temperature ranges and viscosity limits.
Assembly and Function
Assembly Overview
Illustrates pump components and their assembly.
Operating Principle
Explains how the diaphragm pump mechanism works.
Pump Model Variants
Describes NF 30 and NF 30.27 versions and overpressure limiting.
Installation and Connection
6.1. Installation
General installation procedures and initial setup.
Mounting Dimensions NF 30 DC
Detailed mounting dimensions for the NF 30 DC pump model.
Mounting Dimensions NF 30.27 DC
Detailed mounting dimensions for the NF 30.27 DC pump model.
Mounting Dimensions NF 30 DCB-B
Detailed mounting dimensions for the NF 30 DCB-B pump model.
Mounting Dimensions NF 30 DCB-4B
Detailed mounting dimensions for the NF 30 DCB-4B pump model.
Mounting Dimensions NF 30.27 DCB-B
Detailed mounting dimensions for the NF 30.27 DCB-B pump model.
Mounting Dimensions NF 30.27 DCB-4B
Detailed mounting dimensions for the NF 30.27 DCB-4B pump model.
Mounting Dimensions NF 30 E
Detailed mounting dimensions for the NF 30 E pump model.
Mounting Dimensions NF 30.27 E
Detailed mounting dimensions for the NF 30.27 E pump model.
Mounting Dimensions NFB 30 DCB-B
Detailed mounting dimensions for the NFB 30 DCB-B pump model.
Mounting Dimensions NFB 30 DCB-4B
Detailed mounting dimensions for the NFB 30 DCB-4B pump model.
Cooling Air Supply
Guidance on ensuring adequate cooling air for the motor.
Installation Location & Orientation
Requirements for site selection and optimal pump mounting positions.
Decoupling
Advice on mechanically decoupling the pump from pipework.
Touch and Foreign Object Protection
Safety precautions against electrical hazards and foreign ingress.
6.2. Electrical Connection
Instructions and safety guidelines for electrical pump connections.
6.3. Hydraulic Connection
Procedures and guidelines for connecting pump hydraulic lines.
6.3.1. Connecting the Pump
Steps for connecting inlet/outlet lines and leak testing.
Operation
Pump Standstill and Speed Control
Advice on pump behavior when stopped and motor speed adjustment.
Switching Pumps On and Off
Basic procedures for operating the pump's power state.
Duty Cycle and Impulse Operation
Discusses continuous vs. impulse operation and its effect on motor life.
Pump Start-up and Shutdown
Guidance on starting and stopping the pump, including rinsing.
Flow Rate Performance Graphs
Presents performance curves for various pump models under different conditions.
Servicing
8.1. Servicing Schedule
Outlines recommended maintenance intervals for pump components.
8.2. Cleaning Procedures
Provides information and warnings regarding pump cleaning and flushing.
Pump Head Disassembly
Step-by-step guide for dismantling pump heads and internal components.
Component Cleaning and Reassembly
Instructions for cleaning parts and reassembling the pump head.
Pump Head Reassembly Variants
Specific assembly steps for NF 30/KP.51 and NF 30.27 pump heads.
8.3. Replacing Parts
Explains the procedure for replacing worn or damaged pump components.
8.4. Adjusting the Overflow
Describes how to adjust the overflow valve pressure using test setup.
Troubleshooting
Pump Not Working or Priming
Lists common causes and remedies for pump failure or priming issues.
Low Flow Rate or Performance
Addresses problems with reduced performance and their causes.
Fault Rectification and Service
Instructions for sending the pump for service if issues persist.

Table of Contents