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DEHACO B.V. 
Kruisbaak 25, 2165 AJ Lisserbroek (NL) 
PO box 189, 2160 AD Lisse (NL) 
Tel.:+31(0)252 417 950, fax: +31 (0) 252 418 531 

www.dehaco.nl

 

[email protected]

 

 

 
Negative pressure units manual DEH 500 

– DEH 30000            

2014 v1.0en

 

-page 

8

pressure, besides negative pressure units. Easy to operate and reliable 
equipment.  

 

 

 

 

4.   Intended use  

The Dehaco negative pressure units have been developed for:  

 

   The creation of negative pressure and filtration of air in a 

hermetically sealed-off space. Of course the capacity of the fan and 
the applied filter need to be adapted to the specific purpose.  

   The application is limited only to:  

 

 

Asbestos removal  

 

WARNING! 

The Dehaco negative pressure machines may under no 

circumstances be used in an explosion hazardous environment! 

 

ATTENTION 

Every applicationother than described above exempts Dehaco from any 

liability 

Summary of Contents for DEH 2000

Page 1: ...ive pressure units manual DEH 500 DEH 30000 2014 v1 0en page 1 Users manual DEHACO Negative Pressure Unit Specifications Safety Use Maintenance This manual is for the following types DEH 500 DEH 750 DEH 2000 DEH 5000 DEH 7500 DEH 30000 A copy of this manual must be handed out to all those involved in the commissioning operation maintenance and repair ...

Page 2: ... read and understood this user manual obey all safety regulations if necessary possess sufficient and appropriate tools of good quality Store this manual carefully and include it in any resale of the negative pressure unit The following symbols and attention texts are used in this manual WARNING This text provides information relating to safety Non compliance can result directly in physical injury...

Page 3: ...ehaco MODEL Negative Pressure Unit TYPE DEH 500 DEH 750 DEH 2000 DEH 5000 DEH 7500 DEH 30000 SERIAL NO TO WHICH THIS STATEMENT APPLIES IS IN ACCORDANCE WITH THE PROVISIONS OF THE FOLLOWING DIRECTIVES Machinery Directive 2006 42 EC ROHS Directive 2011 65 EU EMC Directive 2004 108 EC Low voltage Directive 2006 95 EC AND IN ACCORDANCE WITH THE FOLLOWING STANDARDS AND OR OTHER NORMATIVE DOCUMENTS NEN ...

Page 4: ...nded use 8 5 Technical specifications 9 a Single piece negative pressure units 9 b Two piece negative pressure units 10 6 Safety 11 7 Storage 12 8 Transportation 12 9 Operation 13 a Overview of the unit 13 b Installing the negative pressure unit 14 c Starting up 17 d Operational monitoring 18 e Shutdown 18 10 Maintenance 19 a Preventive maintenace 19 b Changing the pre filter 19 11 Malfunctions 20...

Page 5: ...e you know the contents of this manual before you start working with your Dehaco negative pressure unit so you can make the best use of it This user manual the information plate and the safety stickers on the negative pressure unit contain important information about the negative pressure unit and are as such part of the delivery In case of damage or loss they should be re attached or made availab...

Page 6: ... equipment is used in jobsites where the airflow has to be controlled For example with activities where hazardous or irritating dust particles are released such as asbestos remediation activities By using a negative pressure unit a vacuum is created inside the workspace that prevents contaminated air from escaping In addition the concentration of particles in the air is reduced and the polluted ai...

Page 7: ...er the filter the degree of contamination of the filter is indicated The fan speed is adjustable which makes the capacity adjustable depending on the workspace volume and the pollution of the filter At the backside of the machine return valves have been installed so in case of a stoppage of the machine no reverse air current will be created This prevents contaminated particles which are loosened b...

Page 8: ... The Dehaco negative pressure units have been developed for The creation of negative pressure and filtration of air in a hermetically sealed off space Of course the capacity of the fan and the applied filter need to be adapted to the specific purpose The application is limited only to Asbestos removal WARNING The Dehaco negative pressure machines may under no circumstances be used in an explosion ...

Page 9: ...x570 1060x740x 830 1420x740x 840 1530x1410x 1560 Noise dBA dB A 78 80 86 90 83 85 Pre filter μm 95 5μm 95 5μm 95 5μm 95 5μm 95 5μm 95 5μm 3 pcs LxWxH mm 290x290x45 290x290x45 375x375x95 595x595x95 595x595x95 595x595x95 Absolute filter μm 99 997 0 3μm 99 997 0 3μm 99 997 0 3μm 99 997 0 3μm 99 997 0 3μm 99 997 0 3μm 3 pcs LxWxH mm 305x305x69 305x305x69 381x381x292 610x610x292 610x610x292 610x610x292...

Page 10: ...lm and concentrated WARNING Keep bystanders at a safe distance from the machine WARNING Use hearing protection when working close to the machine WARNING Instructions described in this user manual apply to the negative pressure unit but make sure also you re also aware of the requirements for Personal Protective Equipment PPE in your specific work situation WARNING The unit comes with a transit cov...

Page 11: ...ke place after permission from the local authorities Additional instructions from local authorities and facilities for personal protection are required 7 Storage If the machine is not going to be used for a long time store the unit in a dry lockable space The unit contains contaminated material and must be closed off for non authorized personnel 8 Transportation The negative pressure units are rel...

Page 12: ...ve pressure units manual DEH 500 DEH 30000 2014 v1 0en page 12 9 Operation a Overview of the unit Depending on the type the position of the components may vary slightly Type plate Switch Hour gauge Pressure gauge Speed control not for DEH 500 and DEH 30000 Power plug Connection air exhaust hose 1 Transit cover plate 2 Pre filter 3 HEPA absolute filter ...

Page 13: ...tart immediately when the power plug is inserted ATTENTION Take care of all PPE s required for the job before you start to work The unit has to be placed outside the contaminated zone In no case may the unit be placed inside the zone In case of doubt consult the technically responsible person first ATTENTION If the unit is placed wrongly it will not function properly the unit as well as the clean ...

Page 14: ...m and therefore much effect arises on these fixations 8 Enter the zone with your complete individual personal protective equipment and cut a hole in the plastic at the height of the unit This hole should be smaller in size than the filter 9 Remove the transit cover 10 Remove any glue remains from the inside of the filter opening 11 Fix the foil airtight with duct tape to the inside of the filter o...

Page 15: ...eplaced see Chapter 10 b If after replacing the pre filter the gauge is indicating more than 750 Pascal the HEPA filter will need to be replaced Warning Only an authorized person should replace the HEPA filter Please check with your dealer or with Dehaco e Shutdown Warning The instructions described here only apply to the unit Discontinuation should only take place after permission from the local ...

Page 16: ...uch a manner that the power cannot be interrupted easily Keep the unit clean and dry With a clean unit there is no confusion about contamination Change the pre filter regularly The gauge and visual inspections determine the frequency Check the unit casing regularly for damage cracks etc b Changing the pre filter ATTENTION The pre filter is polluted with contaminated material and should be treated ...

Page 17: ...the table below if the negative pressure unit is not functioning properly If this does not result in a satisfactory solution call your dealer or Dehaco The fan is not running 1 Make sure the power cord is plugged in and not damaged 2 Make sure the on off switch is positioned on on 3 The unit has a technical problem contact the dealer The fan is running but the required pressure cannot be reached 1...

Page 18: ...responsible disposal that are applicable at the time If after prolonged use the negative pressure unit reaches its technical end the last HEPA filter has to be removed by an authorized person Consult with him on the current state of the legal regulations on waste recycling machinery 13 Warranty Dehaco B V offers a warranty on material and construction defects for 12 months after delivery of the ne...

Page 19: ...0 252 418 531 www dehaco nl info dehaco nl Negative pressure units manual DEH 500 DEH 30000 2014 v1 0en page 19 Registration list for maintenance and filter replacement PROJECT BRAND SERIAL NO NAME MECHANIC Time Date Replacement 1st pre filter Replacement 2nd pre filter Neg press zone pressure vac gauge ...

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