KNF N96 User Manual

N96
TRANSLATION OF ORIGINAL OPERATING AND
INSTALLATION INSTRUCTION
ENGLISH
KNF 316836-316838 01/20
EN-US
OEM
Notice!
Before operating the pump and the accessories, read the operating and installation instructions and observe
the safety notices!
DIAPHRAGM PUMP

KNF N96 Specifications

General

Brand	KNF
Model	N96
Category	Water Pump
Language	English

Summary

1 About this document

1.1 Using the operating and installation instructions

Instructions on how to use the operating and installation manual for the pump.

1.2 Exclusion of liability

Manufacturer's disclaimer for damages resulting from improper use or modifications.

1.3 Symbols and markings

Explanation of danger levels and warning symbols used in the document.

Document Symbols and Notices

Explanations of pictograms

Explanation of various warning pictograms and their meanings.

Other notices and symbols

Explanation of additional symbols indicating activities and important information.

2 Use

2.1 Proper use

Details on the intended use, operating parameters, and requirements for the transferred medium.

2.2 Improper use

Prohibitions and restrictions on operating the pumps in certain atmospheres or with specific media.

3 Safety - General and Specific Hazards

Personnel Safety and Operation

Guidelines for trained personnel, safe operation, and handling of hazardous and combustible media.

Handling Hazardous and Combustible Media

Precautions for pumping hazardous media and safety measures for handling combustible media.

3 Safety - Compliance and Service

Environmental Protection and Compliance

Information on environmental regulations, EU/EC directives, and harmonized standards.

Customer Service and Repairs

Recommendations for pump inspection, servicing, and using original KNF parts for repairs.

4 Technical data - Materials and Pneumatics

Pump Materials

Details on materials used for pump head, diaphragm, and valves for different variants.

Pneumatic Values and Connections

Technical specifications for pneumatic performance, including pressure, flow rate, and connection types.

4 Technical data - Electrical and Environmental

Electrical Data

Specifications for voltage, frequency, power, current, and motor protection class.

Other Parameters

Details on weight, permissible ambient/media temperature, humidity, altitude, and gas tightness.

5 Design and function

Pump Design Overview

Diagram illustrating the main components of the N96 diaphragm pump.

Diaphragm Pump Functionality

Explanation of how the diaphragm pump transfers, compresses, and evacuates gases and vapors.

6 Transport

General Transport Precautions

Safety warnings and guidelines for handling and transporting the pump to prevent injury or damage.

Transport Parameters

Specifications for storage and transport temperature, and permissible humidity.

7 Installation and connection - General

General Installation and Safety

Guidelines for pump installation, general safety, and preventing hazardous gas mixtures.

Pump Mounting and Dimensions

Instructions for pump mounting, dimensions, and selecting the installation location.

7 Installation and connection - Location and Protection

Installation Location and Cooling

Requirements for the installation location, including dryness, protection, and ensuring adequate cooling air supply.

Protection Against Foreign Objects

Measures to protect the pump from dust, vibration, impact, and ingress of foreign bodies.

7 Installation and connection - Gas Connections

Aligning Gas Connections

Procedure for rotating the pump head to orient gas connections and align direction of rotation.

7 Installation and connection - Electrical

Electrical Connection Safety

Safety precautions and requirements for connecting the pump to the power supply and grounding.

Cable Fastening and Wiring

Guidelines for fastening connection cables and potential equalization for safe electrical installation.

7 Installation and connection - Electrical Connection

Connecting the Pump

Steps for connecting the pump, including voltage checks, polarity, and direction of rotation.

7 Installation and connection - Wiring Diagram

Connection diagram for motor controller

Detailed wiring diagram and pin assignment for the motor controller.

7 Installation and connection - Pneumatic

Pneumatic Connection Precautions

Safety warnings for pneumatic connections, including removing plugs and using appropriate components.

Pump Discharge and Decoupling

Guidelines for safe pump discharge and recommended mechanical decoupling for vibration reduction.

7 Installation and connection - Line Connections

Connecting the Pump Lines

Procedure for connecting suction and pressure lines, including descent for condensate and securing connections.

8 Operation - General Safety

General Operation Safety and Precautions

Safety warnings regarding hot parts, bursting hoses, eye injury, and rotating shaft ends during operation.

Proper Operation and Usage

Ensuring proper use, eliminating improper use, and observing safety instructions during operation.

8 Operation - Pressure and Stoppage

Pressure Monitoring and Safety

Preventing pump head bursting by monitoring pressure and avoiding closed outlets.

Diaphragm Break Precautions

Actions to take if the diaphragm breaks to prevent hazardous gas mixtures.

Pump Stoppage and Media Handling

Procedures for pump stoppage, handling vapors, and flushing for extended diaphragm life.

8 Operation - Control Functions

Switching Pump On and Off

Procedures for switching the pump on and off, including atmospheric pressure and recommissioning checks.

Control functions DC-B-M

Details on speed specification, output, motor rotation, and ON/OFF signals for the DC-B-M controller.

9 Servicing - Precautions and Schedule

Servicing Precautions

Safety warnings regarding ESD-sensitive parts, genuine spare parts, and injury prevention during servicing.

Servicing Schedule

Recommended intervals for inspecting pump components like head, connections, and diaphragm/valve plates.

9 Servicing - Cleaning

Flushing the Pump

Procedure for flushing the pump with inert gas when handling hazardous media.

Pump Cleaning Procedures

Safety precautions and methods for cleaning the pump, including handling hot parts and hazardous substances.

9 Servicing - Diaphragm and Valve Plates

Replacement Requirements and Parts

Prerequisites and spare parts needed for replacing diaphragm and valve plates.

Diaphragm and Valve Plate Replacement Procedure

Step-by-step guide for replacing the diaphragm and valve plates/seals.

9 Servicing - Replacement Steps

Exploded View and Preparatory Steps

Diagram of pump components and initial steps for replacing diaphragm and valve plates.

Replacing Diaphragm

Detailed steps for removing and installing the diaphragm.

9 Servicing - Reassembly

Replacing Valve Plates

Steps for removing and installing valve plates/seals.

Mounting Pump Head and Final Steps

Procedure for reassembling the pump head and final checks before recommissioning.

10 Troubleshooting - Electrical and Delivery Issues

Electrical Safety During Troubleshooting

Safety precautions for electrical work during troubleshooting, emphasizing authorized specialists.

Pump Not Delivering Issues

Common causes and remedies for the pump not delivering, including connection and voltage checks.

10 Troubleshooting - Performance Issues

Low Delivery Rate or Vacuum Issues

Troubleshooting for pumps not achieving specified delivery rates or vacuum, and handling leaks.

Noise and Vibration Issues

Identifying and resolving issues related to changed running noises and vibrations.

Unrectifiable Faults

Procedure for sending the pump for service when faults cannot be rectified.

11 Spare parts and accessories

11.1 Spare Parts

List of available spare parts, including diaphragm, valve plates, and part sets with item and order numbers.

11.2 Accessories

List of accessories such as suction filters, hose connectors, silencers, base plates, and rubber-bonded metals.

12 Returns

Pump Return Procedure

Prerequisites and procedure for returning pumps for repair, including the Decontamination Form.