User manual DEHACO Negative pressure unit single
Contents
1. aD PO box 189 2160 AD Lisse NL wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl 5 Technical specifications a Single piece negative pressure units DEH gt gt 500 750 2000 1 5000 1 7500 1 30000 Capacity m3 hr 500 750 2000 5000 7500 30000 Voltage V 220 240 380 400 Current A 2 2 T 14 12 21 Plug EEC 10A 2p A 10A 2p A 16A 2p A 16A 2p A 16A 2pt A 16A 5p A Gauge Pa 0 1000 Material Polypropylene black Weight kg 19 19 40 80 92 300 Dim Ixwxh mm 370x440x490 370x440x490 910x500x570 1060x740x 1420x740x 1530x1410x 830 840 1560 Noise dBA dB A 78 80 86 90 83 85 Pre filter um 95 5um 95 5um 95 5um 95 5um 95 5um I95 5um 3 pcs Lxwxh mm 290x290x45 290x290x45 375x3 75x95 595x595x95 595x595x95 595x595x95 Absolute um 99 997 0 3um 99 997 0 3um 99 997 0 3um 99 997 0 3um 99 997 0 3uUm 99 997 0 3um filter 3 pcs Lxwxh mm 305x305x69 305x305x69 381x381x292 610x610x292 610x610x292 610x610x292 Stepless No 30 100 30 100 50 100 30 100 33 67 100 Exhaust side Bottom Sideways Rear Rear Rear Rear the DEH 30000 has no free adjustable speed but 3 steps 33 66 100 Surrounding conditions eThe unit has to be placed on a hardened vibration free floor foundation eThe unit can only be used in indoor spaces eThe unit should remain dry eAppropriate tem2. Safety Warning Almost all accidents are a result of diminishing of concentration inattention negligence wrong estimations Work calmly and focused You have been warned ATTENTION You must under all occurring circumstances also follow the local safety rules WARNING There is an imminent danger of bodily injury damage to machinery and the environment as a result of inexperienced and incompetent use At work keep bystanders at a safe distance WARNING Use hearing protection when working close to the machine Warning Instructions described in this user manual apply to the negative pressure unit Inquire also about the requirements for Personal Protective Equipment PPE in your specific work situation Warning The unit comes with a transit plate for closing off the front side with the contaminated filters during transport If the unit is being used this plate may only be removed under controlled conditions Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 11 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL A a wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl Other safety instructions included in this manual are Warning
3. NL PO box 189 2160 AD Lisse NL Ca Tel 31 0 252 417 950 fax 31 0 252 418 531 maid dehaco nl info dehaco nl 9 Operation a Overview of the unit Depending on the type the position of the components may vary slightly Hour counter Switch Type plate Pressure gauge Speed control not for DEH 500 and DEH 30000 Power connection Connection air exhaust hose lt DEHACO y 1 Transit plate 2 Pre filter 3 HEPA absolute filter Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 13 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL A SA wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl 2d lt _ 1 Transit plate 2 Pre filter 3 HEPA absolute filter 4 Filter compartment 5 Motor compartment b Installing the negative pressure unit ATTENTION Check first if the switch is Off If the negative pressure unit was stopped the last time by removing the power cable it will start 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 Negative pressure units
4. manual DEH 500 DEH 30000 03 2009 v1 0en page 14 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL A ap PO box 189 2160 AD Lisse NL wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl ATTENTION If the unit is placed wrongly it will not function properly the unit as well as the clean zone will be contaminated Warning The output side of the unit produces excessive noise Applying an exhaust hose can reduce it In the close proximity in the clean zone PPE s will have to be used The two parts are linked by means of 4 clamps If the unit is used as a single unit the rules are similar to single piece units Check whether the clamps are locked properly Is the unit to be used as a split version proceed as follows Undo the four clamps Pull the filter compartment and motor compartment apart Attach a flexible hose to the filter compartment NOTE Connect airtight Pull the hose connector out of the motor compartment in order to connect the hose Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 15 DEHACO B V A Kruisbaak 25 2165 AJ Lisserbroek NL mA PO box 189 2160 AD Lisse NL T Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl pictures right compartment hose connector pulled in and out
5. waste 3 Remove all pollution visible from the inside of the unit with a vacuum cleaner or a dust cloth 4 Do not install a new pre filter 5 Place the transit plate on the unit 6 Tape the seams airtight all around 7 Turn the unit off with the on off switch 8 Remove the power cable Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 18 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL A SA wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl 10 Maintenance a Preventative maintenace ATTENTION Regular preventative maintenance reduces the risk of disruptions during work Repair identified damage or abnormalities first before starting to work in order to prevent greater damage Check daily whether the cover of the fan is present and not damaged Check daily whether the power cables have not been damaged and placed in such 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 as such The pre tilter may only be chan
6. 2009 v1 0en page 17 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL A SA wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl d Operational monitoring The negative pressure unit can be controlled during its use by means of a monitor Dehaco has several monitors in its programme The pressure in the sealed off zone should remain below the value that is prescribed by the local authorities Check the negative pressure at regular intervals and make a note on the registration form The frequency depends on the amount of dust released If the pressure drops in comparison to the initial value the filter may have been congested and needs to be replaced 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 authorities Additional instructions from local authorities and facilities for personal protection are required 1 You are in the contaminated zone with your complete personal protection equipment 2 Remove the dirty pre filter Treat it as contaminated
7. 9 2160 AD Lisse NL A SA wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl EC declaration of conformity ACCORDING TO ANNEX IIA OF THE MACHINE DIRECTIVE We Dehaco B V Kruisbaak 25 NL 2165 AJ Lisserbroek DECLARE ENTIRELEY WITHIN THEIR OWN AREA OF RESPONSIBILITY THAT THE PRODUCT Negative pressure unit with filter unit BRAND Dehaco Mobe Negative Pressure Unit TYPE o DEH 500 o DEH 750 o DEH 2000 1 o DEH 2000 2 o DEH 5000 1 o DEH 5000 2 o DEH 7500 1 o DEH 7500 2 o DEH 30000 SERIAL NO TO WHICH THIS STATEMENT APPLIES IS IN ACCORDANCE WITH THE PROVISIONS OF THE FOLLOWING DIRECTIVES Machinery Directive 98 37 EC ROHS Directive 2002 95 EC EMC Directive 2004 108 EC Low voltage Directive 2006 95 EC AND IN ACCORDANCE WITH THE FOLLOWING STANDARDS AND OR OTHER NORMATIVE DOCUMENTS NEN EN 292 1 Safety of machinery primary NEN EN 292 2 Safety of machinery technical NEN EN 1050 Safety of machinery risk analysis NEN EN 60204 1 Safety of machinery electrical equipment NEN EN 1822 class HEPA H13 ULPA filters NEN EN 5509 User manuals DRAWN UP AT Lisserbroek date Dehaco B V Ing Anco Doeswijk Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 3 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL A aD PO box 189 2160 AD Lisse NL wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl T
8. DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL A SA wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl User manual DEHACO Negative pressure unit single piece Negative pressure unit two piece Specifications Satety Use Maintenance This manual ts for the following types DEH 500 DEH 750 DEH 2000 1 DEH 2000 2 DEH 5000 7 DEH 5000 2 DEH 7500 1 DEH 7500 2 DEH 30000 ATTENTION All persons involved in the initialisation operation maintenance and repairs of this product should receive a copy of these instructions Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 1 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL A SA wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl 1 Foreword This manual is compiled for all individuals involved in the installation initialisation operation and maintenance of the negative pressure unit All persons involved in the installation initialisation operation maintenance and repair activities must e have the knowledge and qualifications required for their tasks e have read and understood this user manual e obey all safety regulations e if necessary possess sufficient and appropriate tools of good quality Store this manual carefully and include it in any resale of the nega
9. Place the filter compartment in the desired position near the sealed off zone CONT RO Ae be py Fe l E ae n noe PEN eH GAPE PRR ETC Ry 7 gi pen anew A nas 7 Se at ee dee eae A n rn E Ei e J lt ff a Reape T E von peer A cece 73 5i DFH Maa Pou ft I LALA DERACO JEE RASI JEHACO yy pA DERACO RESA SN a i GAS I ee a OS NY A Ta Sie oe aie Kog y x Sea CE eT E ee AR E ea A R VY SENN Sy EE EA S erga eee DYA AA AE E TR a Position the motor compartment in such a way that the exhaust air and or the noise do not cause any nuisance Connect the flexible hose to the motor compartment NOTE Connect airtight ATTENTION When using the unit in the separated version the suction capacity will diminish depending on the length of the hose Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 16 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL A aD PO box 189 2160 AD Lisse NL wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl c Starting up Make sure the unit is placed properly Make sure the exhaust hose for the clean air is properly connected and causes no nuisance Check the sealed off zone visually for leaks Make sure the on off switch is on the position off Connect the power cable to the unit Start the unit at low
10. The output side of the unit produces excessive noise Applying an exhaust hose can reduce it In the close proximity in the clean zone PPE s will have to be used Warning Only an authorized person is allowed to replace the HEPA filter Please check with your dealer or Dehaco Warning The instructions described here only apply to the unit Discontinuation should only take place after permission from the local authorities Additional instructions from local authorities and facilities for personal protection are required 7 Storage If the unit 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 relatively light in weight and equipped with casters with brakes and handles Warning Avoid damage Always be cautious when transporting the negative pressure units Have damages always repaired directly The machines are designed to be transported by means of a fork lift The forks must be placed in between the unit wheels When transporting the negative pressure unit on a lorry or trailer always secure it with sufficient tie down straps Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 12 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek
11. able of contents TPO WO Reet ne ne eh ee E ee ee eee 2 Ze WCPO UIC ie a once nada canard es oiataaicied anon casisuncanounid sagas indaneninesssass sansepammensenead 5 2 General GSSCr ID WOU eeren EE nent aunats 6 a giks 0 210 USE ee ee 8 5 Technical SP CIFICATIONS cccceecceecceeeeteeeeee cece eeseeeteeeeeaeeteeeteueeueeeeteeeeetaess 9 a Single piece negative pressure units n nnnnnnennnennnnnennonrennernrnrrnrnene 9 b Two piece negative pressure units cc ecccceeccseeeceeeeeeseeeeeeaeeseeeseeness 10 oS 12 gt e E E eee eee 11 TAE ieee e en on ee a ae ee 12 Ba TANS DOAN OM a ae TE S 12 T 8 ON re eer enn ee en E ee ce een eee eee 13 a Overview Of the UNI cccccccccceeeceeseceeeesseeeseeesaeseseeeeseeseeeseeseesegess 13 b Installing the negative pressure unit c cece ceeccceeeeeeeeeeeeeeaeeseeeeeenees 14 Sir VAI UD oa E coer sfedeoseonse E R 17 d Operational MONIOLING cccceccceeecceececeeeeeeeeeseeeeseeeeseeesseetsneesaeeegees 18 b gt 8 0 OWI enn ore ein ert eee tee ee 18 Fy RAUI CC AIG Oe esgic ve sasecetan oastes oun sve tnednte A 19 a Preventive MAINTENACE ccccccccccseeceeeecceeeceeeeseeceeeaeeceeseeeaeeseeseeesees 19 b Changing the pre filter ccccccccccccseeeeeseeceeceeeeeaeeseeesesessueesueeseaees 19 C MUN ells nn a ees 20 12 SOF US e a E S easnauece S 21 EEL AE A E EA A EE E E E E E soeeeneeens eae 21 Registration list fo
12. dditional local safety instructions and are monitored by the responsible authorities Failing to follow safety regulations can have serious health consequences Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 5 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL Ca Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl 3 General description Dehaco provides an extensive range of negative pressure units This equipment is used in workplaces where the airflow has to be controlled This is the case for activities where hazardous or irritating dust particles are released such as asbestos clean up operations 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 air is filtered The required capacity of the device depends on the volume of the workspace and the number of leaks in the sheathing When creating negative pressure at least 6 to 8 air changes per hour have to be assumed and a pressure of 30 40 Pascal Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 6 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL A aD PO box 189 2160 AD Lisse NL wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl A powerful fan cr
13. eates a negative pressure which aspires polluted air from the workspace through a HEPA absolute filter A pre filter is applied as well which considerably extends the lifespan of the HEPA filter The pre filter can be replaced in the infected area without having to shut down the unit By means of a pressure difference measurement over the filter unit the degree of contamination of the filter is indicated The fan speed can be set which makes the capacity adjustable depending on the workspace volume and the pollution of the filter At the backside of the unit check valves have been installed so that in case of a standstill no reverse air current can be developed This prevents contaminated particles which are loosened by the dirty side of the filter from getting back into the sealed off zone The valves also reduce the risk of drawing in false air when using one fan These are important elements that contribute to the collective safety ill E I r r A SPE IGREBHEERES N BEERERESE SVS SES N Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 7 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL A ap PO box 189 2160 AD Lisse NL wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl In order to work as efficiently and safely as possible with negative pressure units Dehaco also offers advanced tools for monitoring and maintai
14. ged if the unit is linked to a contaminated zone on the site 1 Make sure the unit is located in a suitable space 2 Check whether the unit is switched on 3 Remove the transit plate if it is still present 4 Remove the dirty pre filter Treat it as contaminated waste 5 Remove all pollution visible from the inside of the unit with a vacuum cleaner or dust cloth Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 19 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL A aD PO box 189 2160 AD Lisse NL wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl P an 6 Insert a new pre filter in the unit Make sure the folds are positioned vertically see figure 7 Tape the seams with suitable tape all around see figure 8 The unit is now ready to be used again 11 Malfunctions Follow the instructions in 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 The transit plate is stil
15. l positioned in front of the filter Remove the transit plate 2 The pre filter is dirty blocked Replace the pre filter 3 The absolute filter is dirty blocked Have the absolute filter replaced by the dealer or an authorized person Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 20 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL A SA wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl 12 End of life Electrical tools accessories and packaging have to be reused in an environmentally sound manner Do not discard electrical tools with the garbage Under the European directive 2002 96 EC on obsolete electrical and electronic equipment and the implementation of the directive into national law power tools that are no longer usable have to be collected separately and reused in an environmentally sound manner ATTENTION You always have to comply with the local regulatory requirements and guidelines on safe working and responsible disposal that are applicable at the time lf 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 m
16. ning pressure besides negative pressure units Easy to operate and reliable equipment C J www torchcross co uk In two piece units the motor compartment with the fan can be separated from the filter compartment Depending on the situation the filter compartment can be placed closer to the workplace or the motor compartment further away from the workplace to cause less inconvenience due to air flowing out and noise The filter compartment and motor compartment need to be connected by means of a hose Coupled together without a hose the two piece unit will function like a single piece unit The DEH 30000 is a two piece unit but can only function if connected The division of the DEH 30000 is only for purposes of transport 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 scope is limited to gt Asbestos removal Warning The Dehaco negative pressure machines may under no circumstances be used in an explosion hazardous environment ATTENTION Each use other than described above exempts Dehaco from any liability Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 8 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL A
17. onths after delivery of the negative pressure unit For the terms of warranty we refer to our general terms of delivery Dehaco B V accepts no responsibility for the direct or indirect damage caused by the temporary failure of the negative pressure unit but will do its utmost to keep the standstill period to a minimum The warranty on the negative pressure unit is considered null and void if elt turns out modifications have been carried out without written permission by Dehaco B V elnstructions in this manual have not been followed elt is a matter of demonstrably incompetent use Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 21 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL A SA wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl Registration list for maintenance and filter replacement PROJECT BRAND SERIAL NO NAME MECHANIC Time Date Replacement Replacement Neg press pressure 1 pre filter 2 pre filter zone vac gauge Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 22
18. perature range 5 C to 40 C Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 9 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 info dehaco nl b Two piece negative pressure units DEHAC DEH gt gt 2000 2 5000 2 7500 2 Capacity m3 hr 2000 5000 7500 Voltage V 220 240 Current A 7 14 12 Plug EEC 16A 2p A 16A 2p A 16A 2p A Gauge Pa 0 1000 Material Polypropylene black Weight kg 48 96 98 Dim Ixwxh mm 1100x500x570 1250x740x830 1550x740x840 Noise dBA dB A 86 90 83 Pre filter um 95 5um 95 5um 95 5um Lxwxh mm 375x375x95 595x595x95 595x595x95 Absolute filter um 99 997 0 3um 99 997 0 3um 99 997 0 3um Lxwxh mm 381x381x292 610x610x292 610x610x292 Stepless 30 100 50 100 30 100 Exhaust side Rear Rear Rear Surrounding conditions The unit has to be placed on a hardened vibration free floor foundation The unit can only be used in indoor spaces The unit should remain dry Appropriate temperature range 5 C to 40 C Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 10 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL ON SA wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl 6
19. r maintenance and filter replacement cceceeeeeees 22 Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 4 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 189 2160 AD Lisse NL A SA wa Tel 31 0 252 417 950 fax 31 0 252 418 531 www dehaco nl info dehaco nl 2 Introduction Thank you for the purchase of a Dehaco Negative Pressure Unit Consequently you own a state of the art unit that you when used correctly can operate for years without breakdowns This manual is intended to familiarize you with the operation to give instructions for safe use and guidelines for regular maintenance Make sure 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 MODEL SERIAL No VOLT YEAR FREQ CURRENT CAPACITY WEIGHT MANUFACTURER DEHACO B V LISSE HOLLAND www dehaco nl O 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 available again These parts may also be post delivered through your supplier or Dehaco ATTENTION The safety regulations in this manual are the minimal instructions to be followed These safety regulations are often supplemented with a
20. speed with the on off switch Make sure the unit is actually working No oe ATTENTION After positioning and starting outside the sealed off zone the machine has to be fixed airtight to the zone by means of a Suitable tape This connection has to be perfect because the zone will be under vacuum 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 plate 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 opening of the unit 12 Check whether the pre filter has been installed correctly 13 Set the desired pressure with aid of the rotary knob and in accordance with the standard prescribed by the local authorities ATTENTION If the required negative pressure is not reached check the construction of the zone and the airlock first Check also whether the required volume of air is removed from the zone You can increase the number of negative pressure units up to the point where you reach the right negative pressure and are able to sustain it These units can be connected electrically to an automatic start up system Negative pressure units manual DEH 500 DEH 30000 03
21. tive 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 and or machine damage ATTENTION This text provides instructions tips and information for optimal use This manual has been drawn up for the one and two piece negative pressure units of the 2 p type printed on the front page The additional information specific to the two piece version is added in a customized font with a double line and 2p in the margin When you are using a single piece unit these parts of the manual do not apply to you Write down in the table below the data from the information plate of the negative pressure unit delivered to you You need the type and serial number to order parts at your dealer or Dehaco MODEL MOT a E E ere SERIAL No VOLT Serial NO cece cceccccecccccccccaceccccacececcsuecusceeucecueauesuuens YEAR FREQ CURRENT VoL epee ems hceceosiwen anecueceeaeeaentes ae CAPACITY WEIGHT Ya ee cee ee eee Be DEHACO B V LISSE HOLLAND FRSC CG eceeecee cee teeeeeeerceeseesceyeteeeeenere eee O DEHACO www dehaco nl O Sa Capaill y psrereesseror oire ES RSE A ia WVGIOIN E Negative pressure units manual DEH 500 DEH 30000 03 2009 v1 0en page 2 DEHACO B V Kruisbaak 25 2165 AJ Lisserbroek NL PO box 18
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