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Installation instruction for radial blowers for areas subject to gas and dust explosion hazards

07/2019 KARL KLEIN Ventilatorenbau GmbH

Page 14

GB

5

Description

Standard configuration

KLEIN blowers are radial blowers with a ball-bearing mounted electrical drive.

The respective medium is ingested axially and exhausted radially in the desired direction
(see illustration).

Flow direction of the medium

00

3_

KL

01

_0

1

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Summary of Contents for DHV Series

Page 1: ...GB 001_KL01_01 Installation instruction For all radial blowers for use in category 1 and 2 21 and 22 explosive atmospheres ...

Page 2: ...made as a result of technical advancements The reprint translation and reproduction of any kind including excerpts require the manufacturer s written approval This Installation instruction is not subject to update services You may inquire with the manufacturer for the most current revision KARL KLEIN Ventilatorenbau GmbH Waldstraße 24D 73773 Aichwald Phone 49 7 11 36 90 6 0 Fax 49 7 11 36 90 6 950...

Page 3: ...ssions 11 3 1 1 Dust 11 3 1 2 Noise 11 3 1 3 Vibrations 11 3 2 Overheating protection 12 4 Transportation and storage 13 5 Description 14 6 Assembly installation 15 6 1 General safety instructions for assembly and operation 15 6 2 Hook up installation 16 6 3 Assembly and installation specifications for explosive areas 16 6 4 Blower mounting 17 7 Maintenance care and repair instructions 18 7 1 Main...

Page 4: ...ned in this Installation instruction with care Familiarize yourself with the operation of the blower before placing it into service It will be too late to do so when doing the work Never permit someone without the proper technical knowledge to install and operate this blower Applicability This Installation instruction applies to all blowers with the following model designations ENG DNG EMV DMV EMV...

Page 5: ...r supervisory and reporting duties operating specific maintenance and care schedules in particular to establish special cleaning intervals to remove dust deposits on the motors Symbols used in this Installation instruction The graphic representations and drawings are basic illustrations of a blower They are not to scale and do not correspond to the proportions of all blowers in the product range T...

Page 6: ... is to be used This assessment is intended to recognize and to take into consideration hazards that may arise when using the machinery in combination with the production materials and the environment Pursuant to 4 Operational Safety Directive BetrSichV or equivalent other national regulations the operating entity is responsible for taking any required steps and for selecting the equipment that is ...

Page 7: ... procedures described in this Installation instruction in particular the designated uses are not complied with Any unauthorized reconfiguration or modification of the blower is prohibited Only use replacement parts and accessories that were approved by KARL KLEIN Ventilatorenbau GmbH The use of other parts may impair the function The operating entity is liable for any resulting damages KARL KLEIN ...

Page 8: ...ty and damage prevention instructions Attention Electrical Power Shock Designates potentially occurring hazardous situations Not observing these warning labels can result in death serious injuries or property damage Attention Designates a potentially occurring hazardous situation Not observing these labels can result in injuries or property damage Instruction Application instructions for the optim...

Page 9: ... All labels and plates must be legible at all times Illegible or lost type plates and warning labels must be replaced immediately G The information on the type plates identifies the respectively desired blower type and rating The information on the type plate corresponds to the performance ratings that were ordered These may be subject to change Instruction The values shown on the type plate take ...

Page 10: ...eference to EN 1127 1 this means for Zone 22 that under normal operating conditions an atmosphere capable of producing an explosion in the form of a combustible dust cloud mixed with air normally does not form or only forms for brief periods The designated use encompasses observing and complying with the specifications and instructions in this Installation instruction 2 1 Limitations to the use an...

Page 11: ...gnated uses and which will result in a hazardous condition 3 Safety 3 1 Basic safety instructions Klein blowers are designed and produced in accordance with generally accepted technology occupational and accident prevention practices and in accordance with the requirements of the ATEX directive for machines and protective systems for the designated use in explosive environments as well as the requ...

Page 12: ...blowers may not be repaired by the customer To maintain the explosion protection blowers may only be repaired or maintained for preventive purposes by the manufacturer To avoid combustion hazards from dust deposits cleaning intervals must be rigorously complied with The cleaning operation must be performed with diligence The dust buildup must not exceed a thickness of 5mm 3 2 Emissions 3 1 1 Dust ...

Page 13: ...ed from being transferred to the blower The blower must not be exposed to dynamic forces 3 2 Overheating protection To avoid potential overheating the operating entity can request a thermal winding protector when placing the order Under all circumstances the operating entity must avoid excessive dust buildup on the surface by timely cleaning The dust buildup must not exceed a thickness of 5mm ...

Page 14: ...ing The lifting eyes on the blower housing are not intended as the sole means of lifting the entire blower The motor must always be secured separately Attention During transport body parts are subject to a crushing hazard between the blower and the surroundings Instruction Dispose of packaging materials properly Do not burn them Storage instructions Before transporting the blower to the installati...

Page 15: ...KARL KLEIN Ventilatorenbau GmbH Page 14 GB 5 Description Standard configuration KLEIN blowers are radial blowers with a ball bearing mounted electrical drive The respective medium is ingested axially and exhausted radially in the desired direction see illustration Flow direction of the medium 003_KL01_01 ...

Page 16: ... performed by a qualified and trained electrician who is trained in installation procedures in explosive environments Trained electricians are persons who are familiar with the assembly installation initial startup and operation of the equipment machine and possess an appropriate qualification or who are familiar with safety technology standards in the maintenance and use of appropriate protective...

Page 17: ...s Additional mandatory requirements Instruction The blower may only be mounted at one location Either at the exhaust flange the blower base and or motor console or at the intake mounting flange Instruction The operating entity must install a suitable motor cut off switch The minimum specifications for this nominal current and te period is shown on the type plate Attention During installation body ...

Page 18: ... must be avoided This can result in damage and failure of blower components Decouple the structure bound sound by installing a canvas expansion sleeve The blower may only be mounted using one location Either at the exhaust flange the blower base and or motor console or at the intake mounting flange Installation examples 004_KL01_01 At the exhaust flange at the motor console At the intake mounting ...

Page 19: ...e must not exceed a thickness of 5mm The blower wheel must be regularly inspected for contamination and cleaned to identify imbalances of the blower wheel early and to prevent imbalances 7 2 Inspect and exchange bearings Inspect the unimpeded operation of bearings in regular intervals by monitoring the operating noises replace as needed The ball bearings must be replaced by the manufacturer or an ...

Page 20: ... consideration Only vibration sensors that are certified for zone 21 may be used The vibration sensor should preferably be installed on the A side bearing enclosure of the drive motor in a horizontal orientation to the installation orientation The nominal sensor signal must be transmitted to a control or monitoring device that is located outside of the explosive area The control must shut the blow...

Page 21: ...he gravity influences positioning along the Y axis should be preferred assuming installation positioning as shown in the illustration Offset between sensor and A side bearing should be as small as possible in order to minimize measuring errors caused by prying effects Sensor should be positioned as near as possible to the A side bearing see illustration Screw thread of the sensor should be secured...

Page 22: ...llation instruction for radial blowers for areas subject to gas and dust explosion hazards 07 2019 KARL KLEIN Ventilatorenbau GmbH Page 21 GB 11 EC Declaration of incorporation of partly completed machinery ...

Page 23: ...allation instruction for radial blowers for areas subject to gas and dust explosion hazards 07 2019 KARL KLEIN Ventilatorenbau GmbH Page 22 GB 12 EC Declaration of Conformity ATEX for the nonelectrical part ...

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