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EN

3

Index

INDEX

Declaration of conformity to ASME

4

Preliminary remarks 

5

Introduction

6

Material inspection 

7

Handling and transportation 

8

Storage

9

Installation

10

Set-up

18

Start-up and utilization 

18

Maintenance and controls by the user

 

19

Safety

25

Disposal

25

Warranty

26

Appendix

28

Summary of Contents for Provides

Page 1: ...Flooded Heat Exchangers Operating Instructions...

Page 2: ...2 OUR PRODUCTS...

Page 3: ...ASME 4 Preliminary remarks 5 Introduction 6 Material inspection 7 Handling and transportation 8 Storage 9 Installation 10 Set up 18 Start up and utilization 18 Maintenance and controls by the user 19...

Page 4: ...IDES US INC MEET ALL OF THE REQUIREMENTS OF ASME BOILER AND PRESSURE VESSEL CODE THE DATA PLATE ON EACH VESSEL WILL BE MARKED WITH THE APPROPRIATE CODE MARKINGS AND REQUIRED INFORMATION THE APPROPRIAT...

Page 5: ...vides US Inc DECLINES ALL RESPONSIBILITIES in case of non observance of laws in force regarding safety and accident prevention inadequate utilization of the pressure equipment modifcations to or tampe...

Page 6: ...the primary fluid transfers heat to the secondary fluid generally water condensing or evaporating itself Primary fluid gets in the shell of the flooded and is totally distributed around the tube bund...

Page 7: ...what you have ordered verifying the correctness of the nameplate The general nameplate is located onto the shell and it is possible to read the model of the heat exchanger the serial number the year...

Page 8: ...delivering country The heat exchanger may be pre charged with nitrogen in both water and refgerant side circuits make sure to relieve pressure from all circuits before opening Verify on the catalog t...

Page 9: ...doors and prevented from atmospheric conditions In case of outdoor storage sunlight and cooling during the night may cause the formation of moisture inside the heat exchanger and or inside the plastic...

Page 10: ...cessories in order to prevent any overpressure risks In case of outdoor installation protect the pressure equipment from accidental impacts The heat exchanger must be installed in horizontal position...

Page 11: ...with a series of welded fittings for safety and service accessories The connections can be positioned according to client request and constructive feasibility Refrigerant connections may be different...

Page 12: ...rs Water side connections are available on flooded vessel heads and can have a variable number of steps The type of connection on the water side can be considered from cast iron shells or from carbon...

Page 13: ...d flanges Before installation always remove plastic caps and silica gel bags from openings 7 Installation 2 CIRCUITS DUAL FITTINGS FOR ACCESSORIES FITTINGS FOR ACCESSORIES GAS INLET GAS INLET LIQUID O...

Page 14: ...inlet connection is placed on one header and the outlet is on the opposite header The water inlet is located on the opposite side compared to refrigerant inlet that is on the same side as the refriger...

Page 15: ...condenser On models with both condensing and heat recovery circuits 2 Passes 2 Passes inlet connections of both circuits are on the same lower side outlet connections are on the opposite header in th...

Page 16: ...ion of the gasket in order to avoid leakage 7 Installation 7 3 Protect from vibrations We recommend to avoid the transmission of vibrations that may cause damage to the flooded vessel through anti vib...

Page 17: ...the heat exchanger using suitable safety systems e g flow switch pressure switch heating resistance etc head could damage it Do not expose the heat exchanger to bending stress Always install a filter...

Page 18: ...ure equipments Please contact your Notified Body in order to draft a report with positive result for the start up In the case of SILICONE FREE units PROVIDES declares that to the best of it s knowledg...

Page 19: ...efly described can be present together and lead to more serious effects For all these reasons we recommend to DO NOT REMOVE REFRIGERANT FROM PRIMARY CIRCUIT WITHOUT HAVING A FLOW IN THE SECONDARY CIRC...

Page 20: ...circuit in order to reduce the entry of solid particles Drain totally the vessel before doing any maintenance operations Do not clean the flooded with non suitable mechanical systems e g drills or too...

Page 21: ...o mg l COPPER CuNi pH Value 6 6 8 8 0 Chloride CI 10 10 100 100 1000 1000 0 Sulphate 50 50 200 200 0 Nitrates 100 Free aggressive Carbonic Acid 5 5 20 20 0 0 Oxygen 1 1 8 8 0 Ammonium 2 2 20 20 0 0 F...

Page 22: ...2 and with the appropriate 10 2 Header assembly and gasket replacement Proceed as follow in order to disassemble the header Remove pipeline Always be sure to totally drain the water before removing th...

Page 23: ...6 8 9 3 14 13 4 10 7 5 12 10 Maintenance and controls by the user FIG 10 2 2 TORQUE FOR BOLTS M8 20 Nm 14 8 ft lbf M10 35 Nm 25 8 ft lbf M14 140 Nm 103 3 ft lbf M16 180 Nm 132 8 ft lbf M20 200 Nm 147...

Page 24: ...on and damage Every 3 years Check the tightening of screws Every 3 years Inspection of thickness where applicable see tabs for minimum thicknesses Every 10 years Pneumatic test pressure 1 1 x PS with...

Page 25: ...clable materials carbon steel copper plastics etc At the end of its useful lifetime get information about the laws in force in your country regarding recycling PROVIDES pressure equipment is supplied...

Page 26: ...y are designed unsuited use or application thermal overexposure even when occasional electrical or mechanical over stress operations of repairing or modifications not authorized or agreed in advance b...

Page 27: ...ate of transmission of their confirmation order by Provides US Inc under letter H and I above In the case of the contrary the Client shall exclude any liability for Provides US Inc for any damage or l...

Page 28: ...EN 28 Fig 14 2 VICTAULIC CONNECTION BOLTS GASKET COUPLINGS 14 Appendix APPENDIX...

Page 29: ...EN 29 14 Appendix...

Page 30: ......

Page 31: ......

Page 32: ...Provides US Inc P O Box 917 45 Sutton Road Verona Va 24482 Tel 540 569 3434 Fax 540 466 5831 e mail sales providesus com www providesus com...

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