Instruction Manual -Brazed plate heat exchangers

AC, AXP, CB, CD, DOC

EN

3450021401-EN 2017-06Original manual

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Table of contents

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Name plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Lifting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Installation in general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Installation as evaporator or condenser . . . . . . . . . . . . . 17Leak test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Unit in operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Shut-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23General guidelines regarding maintenance . . . . . . . . . . 23Cleaning-In-Place . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Fault tracing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Pressure drop problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Heat transfer problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

How to contact Alfa LavalContact details for all countries arecontinually updated on our website.Please visit www.alfalaval.com to access the information directly.

Alfa Laval Corporate ABThis document and its contents is owned by Alfa Laval Corporate AB and protectedby laws governing intellectual property and thereto related rights. It is theresponsibility of the user of this document to comply with all applicable intellectualproperty laws. Without limiting any rights related to this document, no part of thisdocument may be copied, reproduced or transmitted in any form or by any means(electronic, mechanical, photocopying, recording, or otherwise), or for any purpose,without the expressed permission of Alfa Laval Corporate AB. Alfa Laval CorporateAB will enforce its rights related to this document to the fullest extent of the law,including the seeking of criminal prosecution.

Document ID Language Edition

3450021401 EN 2017-06Instruction Manual -

Brazed plate heat exchangers 7

EN

Preface

Preface

This manual provides information needed to install, operateand carry out the maintenance of the plate heat exchanger.

Intended useThe plate heat exchanger has been designed to meet therequirement for a wide range of heat transfer applications suchas refrigeration, comfort heating, industrial heating and cooling,and the process industry.

Safety considerationsThe plate heat exchanger must be used and maintainedin accordance with the instructions in this manual. Faultyhandling of the plate heat exchanger may result in serious withinjuries and/or property damage. Alfa Laval will not acceptresponsibility for any damage or injury caused as a result ofnot following the instructions in this manual.

The plate heat exchanger must be used in accordance with thespecified configuration of material, media, temperatures andpressure for the specific plate heat exchangers.

Prior knowledgeThe plate heat exchanger must be operated by individualswho have studied the instructions in this manual and haveknowledge of the process. This includes knowledge of theprecautions regarding media, pressures, the temperaturesin the plate heat exchanger as well as specific precautionsrequired for the process.

Maintenance and installation of the plate heat exchangermust be performed by individuals who have knowledge andauthorization according to the local regulations. This includesperformance work such as piping, welding and maintenance.

For maintenance work not described in this manual, pleasecontact an Alfa Laval Representative for advice.

Document ID Language Edition

8

Instruction Manual -

Brazed plate heat exchangers 3450021401 EN 2017-06

Preface

Definitions of expressions

Warning!Type of hazardWARNING indicates a potentially hazardous situationthat, if not avoided, may result in death or seriousinjury.

Caution!Type of hazardCAUTION indicates a potentially hazardous situationthat, if not avoided, may result in minor or moderateinjury.

Note!NOTE indicates a potentially hazardous situation that,if not avoided, may result in property damage.

Warranty conditionsUnless altered by written agreement, Alfa Laval standardwarranty applies.

Storage of the plate heat exchangersAlfa Laval delivers the plate heat exchanger ready foroperation, unless agreed otherwise. Keep the plate heatexchanger in the packing box until it is ready to be installed.

If there is any uncertainty with regard to the storage of the plateheat exchanger, please consult an Alfa Laval Representative.

For longer storage periods, keep the heat exchanger in aprotective environment away from corrosive substances anddust which may affects its performance.

Keep the plastic plugs or caps for the connections in placeduring storage.

Document ID Language Edition

3450021401 EN 2017-06Instruction Manual -

Brazed plate heat exchangers 9

EN

Preface

Environmental complianceAlfa Laval endeavours to perform its own operations as cleanlyand efficiently as possible. Environmental aspects are takeninto consideration when developing, designing, manufacturing,servicing and marketing the companys products.

Brazed Plate Heat Exchangers (BHE) consist of stainless steelchannel plates and frame elements and bonded stainless steelor carbon steel connections. Bolts, which are stainless steelor carbon steel with different surface treatments, are usuallywelded onto the product. Additionally, feet and lifting lugs canbe