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Kruger TDA Series - User Manual

Kruger TDA Series
71 pages
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IGB010.E8 – December 2020
1 of 71
Axial fans
Installation and Operating instructions

Table of Contents

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Summary

1 INTRODUCTION

1.1 Purpose of this manual

Explains the manual's purpose and importance for safe operation.

1.2 Safety symbols used in this manual

Details symbols indicating danger and general information for safe operation.

1.3 Safety symbols used on fans

Illustrates and explains safety symbols found directly on KRUGER fans.

2 GENERAL INFORMATION

2.1 Definitions, basic principles, terminology used and correlated documents

Defines key terms and principles for axial fans and lists related documents.

2.2 Construction details of axial fans

Presents different axial fan versions and their motor mounting configurations.

2.2.2 Flow indications

Illustrates the different flow directions (A, B, U, D) for axial fans.

2.3 Fan name plate

Explains the identification plate on the fan, its modification restrictions, and how to read it.

2.4 Fan Temperature types

Lists fan series with their temperature resistance capabilities (e.g., 250°C/2 hrs).

2.5 Description of fan

Details the components of the TDA series axial fan with a diagram.

2.5.2 TDA-V series

Details the components of the TDA-V series axial fan with a diagram.

2.5.3 TDB-II series

Details the components of the TDB-II series axial fan with a diagram.

2.5.4 MXA series

Details the components of the MXA series axial fan with a diagram.

2.5.5 TBE series

Details the components of the TBE series axial fan with a diagram.

2.5.6 MXC series

Details the components of the MXC series axial fan with a diagram.

2.6 Envisaged use and foreseeable uses according to experience, and prohibited uses

Defines the intended applications and lists prohibited uses for axial fans.

2.7 Life cycle of fan

Provides information on the expected lifespan of fan components and operating cautions.

3 WARNINGS AND MAIN SAFETY INDICATIONS

3.1 Installation instructions: general information

Covers general installation types (A, B, C, D) and safety precautions for protection nets.

3.2 Installation type A: Instructions for assembly, installation and connections

Details protection net requirements for Type A installations (free inlet/outlet).

3.3 Installation type B: Instructions for assembly, installation and connections

Details protection net requirements for Type B installations (free inlet, ducted outlet).

3.4 Installation type C: Instructions for assembly, installation and connections

Details protection net requirements for Type C installations (ducted inlet, free outlet).

3.5 Installation type D: Instructions for assembly, installation and connections

Details protection net requirements for Type D installations (ducted inlet/outlet) and flexible duct use.

3.6 Risks involved in foreseeable incorrect handling and;or abnormal uses based on experience

Lists risks from incorrect handling, unauthorized modifications, and improper use.

3.7 Other risks related to fans pursuant to UNI EN ISO 12499

Highlights risks during installation like improper leveling, electrical grounding, and protection net integrity.

3.7.2 Specific risks with fans during maintenance

Covers risks during maintenance, emphasizing safety precautions and prohibited actions.

3.7.3 Environmental risks

Discusses how environmental factors like vibrations and corrosive agents affect fan lifespan.

3.7.4 Vibration risks

Explains vibration risks, standards, and the importance of monitoring levels.

3.7.5 Operating speed risks

Details risks associated with operating speeds exceeding design limits, including causes and cautions.

3.7.6 Noise emission risks

Addresses noise generation, its dependence on fan characteristics, and correlation with vibrations.

3.7.7 General information on noise emission data

Explains Sound Power (LwA) and Sound Pressure (LpA) metrics for noise emissions.

4 TRANSPORT, MOVEMENT AND STORAGE

4.1 Lifting and movement

Provides guidelines for safe lifting and movement of fans, identifying lifting points.

4.2 General warnings for lifting separate fan parts

Offers general warnings for handling disassembled fan components during transport.

4.3 Fan lifting instructions

Gives specific instructions for lifting different fan versions and packed crates.

4.3.1 Lifting version 1 and 9 axial fans

Details lifting procedures for version 1 and 9 axial fans, including sling usage.

4.3.2 Lifting version 4 axial fans

Provides lifting instructions for version 4 axial fans, emphasizing correct hole usage.

4.3.3 Lifting fans packed in crate

Covers safe lifting practices for fans packaged in crates using forklifts.

4.4 Storage

Advises on protecting fans during storage and periodic checks to prevent damage.

5 INSTALLATION

5.1 General information

Discusses general installation principles, foundations, vibration reduction, and support requirements.

5.1.1 Minimum installation distances

Specifies minimum distances required for proper inlet airflow and fan installation.

5.2 Assembly of axial fans

Details the step-by-step assembly process for version 4 axial fans.

5.2.2 Version 1 axial fans

Details the step-by-step assembly process for version 1 axial fans.

5.2.3 Version 9 axial fans

Details the step-by-step assembly process for version 9 axial fans.

5.3 Mounting Configuration

Illustrates various horizontal mounting configurations for ceiling and floor applications.

5.4 Installing and adjusting drive belts and final checks

Guides on installing, tensioning drive belts, and performing final checks.

5.5 Vibration Isolator Installation

Provides instructions for correctly installing vibration isolators.

5.6 Blade adjustment

Directs users to contact the Technical Office for blade angle adjustments.

5.7 Electrical connections

Covers essential electrical connection procedures, grounding, and safety directives.

5.8 Connection to ducts

Explains how to connect fans to ducting, including alignment and flexible joint tolerances.

6 CHECKS TO BE MADE BEFORE AND AFTER STARTING

6.1 Preliminary checks

Lists essential checks to perform before the first fan start-up.

6.2 Checks to be made with fan fully operating

Details checks for power absorption, vibrations, noise, and bearing temperatures during operation.

6.2.1 Visual checks on protection net

Outlines visual checks for the condition and integrity of protection nets.

6.2.2 Checking and cleaning parts in contact with fluids

Recommends periodic cleaning of impellers to prevent vibrations and wear.

6.2.3 Visual checks on impeller and casing

Emphasizes visual inspection of impeller and casing for wear, damage, or corrosion.

6.2.4 Dimensional checks

Presents a checklist for dimensional checks on fan components like impeller, casing, and ducts.

7 AXIAL FAN OPERATING MALFUNCTIONS

7.1 Most frequent malfunctions

Lists common fan problems, their causes, and recommended solutions.

8 MAINTENANCE

8.1 Bearing lubrication

Provides guidance on bearing lubrication, including frame sizes and grease quantities.

8.2 Adjusting drive belt tension and cleaning belts

Explains methods for setting correct V-belt tension and cleaning belts.

8.3 Checking and cleaning parts in contact with fluids

Describes periodic cleaning of impellers to prevent dust accumulation and vibrations.

9 DISMANTLING AND REASSEMBLING ESSENTIAL COMPONENTS

9.1 Fan impellers with hub

Instructs to contact the Technical Office for impeller adjustments like blade angle.

9.2 Replacing drive belts

Details the process for replacing drive belts, including pulley assembly and dismantling.

9.2.1 Assembling and dismantling pulleys

Guides on fitting and dismantling pulleys, checking alignment, and tightening.

9.2.2 Assembling and dismantling drive belts

Covers fitting drive belts, checking tension, and adjusting motor position.

10 FINAL DISMANTLING AND DISPOSAL OF FANS

10.1 Version 4 axial fans

Details the dismantling sequence for version 4 axial fans.

10.2 Version 1 and 9 axial fans

Details the dismantling sequence for version 1 and 9 axial fans.

11 TECHNICAL APPENDICES

11.1 Tightening torques for nuts and bolts

Provides tightening torque values for various ISO metric bolts based on size and class.

11.2 Checklist before starting fans

Offers a checklist for essential checks before starting fans for safe operation.

11.3 Programmed maintenance intervals

Suggests maintenance intervals based on the intensity of use for various fan components.

Kruger TDA Series Specifications

General IconGeneral
TypeTower Fan
ModelTDA Series
OscillationYes
Remote ControlYes
TimerYes
Number of speeds3
Voltage220-240V
Speed SettingsLow/Medium/High

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