AL-KO AT4F Series Operating And Assembly Instruction Manual Download Page 1

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CENTRAL VENTILATION AND AIR HANDLING UNITS

OPERATING AND ASSEMBLY INSTRUCTIONS

FOR CENTRAL VENTILATION UNITS

AT4F ATEX SERIES

Summary of Contents for AT4F Series

Page 1: ...CENTRAL VENTILATION AND AIR HANDLING UNITS OPERATING AND ASSEMBLY INSTRUCTIONS FOR CENTRAL VENTILATION UNITS AT4F ATEX SERIES EN...

Page 2: ...X Legal AL KO THERM GMBH Hauptstra e 248 250 D 89343 Jettingen Scheppach Germany Fon 49 8225 39 0 Fax 49 8225 39 2113 E mail klima technik al ko com Revision history Version Description Date 1 0 30824...

Page 3: ...gas 22 3 3 1 2 ATEX type plate dust 24 4 Delivery transport storage 26 4 1 Delivery 26 4 2 Transport 26 4 2 1 Transport under challenging conditions 27 4 2 2 Fork lift truck pallet truck 27 4 2 3 Cran...

Page 4: ...s cold water air cooler option 64 5 8 4 Steam register 66 5 8 5 Circulating coil system CCS recuperative energy recovery 68 5 8 6 Direct evaporator condenser 69 5 9 Mechanical connection 70 5 9 1 Duct...

Page 5: ...7 3 4 2 Cleaning 112 7 3 5 Sound absorber 112 7 3 5 1 Maintenance 113 7 3 5 2 Cleaning 113 7 3 6 Droplet eliminator 114 7 3 6 1 Maintenance 115 7 3 6 2 Cleaning 115 7 3 7 Electric motor 116 7 3 7 1 Ma...

Page 6: ...tling 131 9 3 Disposal 132 10 Spare parts 133 11 Certifications 134 11 1 EC Declaration of Incorporation conforming to 2006 42 EC 135 11 2 EU Declaration of Conformity in accordance with 2014 34 EC wi...

Page 7: ...on is a permanent part of the described product and must be handed over to the buyer if the product is sold 1 1 Explanation of symbols 1 1 1 Safety instructions DANGER This signal word is used to indi...

Page 8: ...s are not observed this can lead to death or severe injuries due to falling Warning of danger of slipping If the required safety instructions are not observed this can lead to death or severe injuries...

Page 9: ...uired safety instructions are not observed this can lead to death severe injuries and property damage due to an explosive atmosphere particularly in potentially explosive atmosphere according to the A...

Page 10: ...r PSA Personal protective equipment such as cut proof gloves safety goggles work gloves ear protection safety helmet breathing mask AC unit Air handling unit SUP Supply air TA Droplet eliminator TRGS...

Page 11: ...gen content normally 21 v v Please note there that the ATEX standard version is for the temperature range from 20 C to 40 C A unit for temper atures up to 60 C is a special version and is marked accor...

Page 12: ...atic limits customer supplied Installing unsuitable components ATEX components with inadmissible ATEX marking Use of unit in an unapproved ATEX area In case of fire use the unit as a smoke extraction...

Page 13: ...ll poles and secure it to prevent restart before starting repair or maintenance work Integrate weatherproof units into the lightning protection concept when installed out doors Avoid naked flames and...

Page 14: ...with the Ordi nance on Hazardous Substances Use personal protective equipment during all work on the installation WARNING Risk of injury from falling from ladders scaffolding or work platforms Only u...

Page 15: ...ntladung Explosionsgefahr besteht RLT Ger t nur mit feuchten T chern abwischen Sicherheits und Reinigungshinweise der Betriebsanleitung beachten 3457845 WARNING Danger of explosion Danger due to elect...

Page 16: ...ance Ensure that work on in the AT4F ATEX unit takes place during ATEX zone freedom Observe the applicable standards and directives in particular the ATEX standards and the ATEX directives 2014 34 EU...

Page 17: ...omote the AT4F ATEX unit tipping over There is a risk of stumbling slipping falling and falling down when installing the AT4F ATEX unit and the accessory parts There is a danger of electric shock due...

Page 18: ...utside the following point must be observed among others If no ATEX zone has been defined in the outdoor area of the AT4F ATEX unit the operator must ensure that the installation room installation sit...

Page 19: ...ceuticals marine hygiene swimming pools recreational facilities and many other sectors as well as in the mod ernisation of old existing installations using highly efficient state of the art heat recov...

Page 20: ...2 1 Area for on site connections bushings 1 1 Exterior view ATTENTION Holes for connections bushings may only be inserted in the cross hatched area Non compli ance leads to constructional damage to th...

Page 21: ...level EPL EN 60079 10 1 EN 60079 10 2 EU Directive 2014 34 EU EN 60079 0 Zones Equipment group Unit category Group EPL 1 II 2G II Gb 2 3G Gc 21 2D III Db 22 3D Dc Zone 1 Area in which an explosive ga...

Page 22: ...2 748 X Order Nr Pos xx Supply Air x Exhaust Air Typ AT4F Date 20xx 3327336 24132xxxxx II 2G Ex h IIB T4 Gb inside II 3G Ex h IIB T4 Gc outside Fig 5 Example for ATEX type plate zone 1 inside zone 2 o...

Page 23: ...subdivided into groups IIA IIB and IIC according to the standard gap width NSW and or the minimum ignition current ratio MIC ratio The ignition sensitivity increases from group IIA to IIC In Ger many...

Page 24: ...side II 3D Ex h IIIA T150 C Dc outside Fig 7 ATEX type plate zone 21 inside zone 22 outside AL KO THERM GMBH Hauptstra e 248 250 D 89343 Jettingen Scheppach Cert Nr EPS 14 ATEX 2 748 X Order Nr Pos xx...

Page 25: ...types of ignition protection such as c constructive safety or k liquid encapsulation etc 7 Dust group units in group III IIIA IIIB Classification into dust groups groups for dusts subdivided into grou...

Page 26: ...spended loads For crane transport all valid safety conditions according to DGUV regulation 52 Cranes and DGUV Control unit 100 500 chapter 2 8 must be observed Do not walk under suspended loads Use th...

Page 27: ...ety aspects If transport devices are used that require a driving licence the personnel operating these devices must have an ap plicable valid driving licence for this During transport observe the inst...

Page 28: ...tach suitable load securing equipment before lifting the load Wear personal protective equipment 4 2 3 1 Crane transport using transport tube Transporting the unit using the transport tube is permissi...

Page 29: ...rt tube Projection of transport tube on each side 08 688 5 mm 1100 mm 200 mm 12 994 5 mm 1400 mm 16 1300 5 mm 1700 mm 20 1606 5 mm 2000 mm 24 1912 5 mm 2300 mm 28 2218 5 mm 2600 mm 32 2524 5 mm 2900 m...

Page 30: ...ackle 6 Borehole for shackle 4 2 3 3 Crane transport using a base frame bracket The AT4F ATEX unit is supplied with a base frame that is suitable for crane transport Transporting the unit using the ba...

Page 31: ...e component is not tilted during transport additional protection The angle between the two traction ropes chains or lifting slings may not exceed 60 and the angle between the vertical frame profile an...

Page 32: ...he crane eyelets the openings are to be sealed airtight with sealing plugs d 12 mm included as accessories Horizontal pulling on the crane eyelets is not permitted 1 2 3 4 5 Fig 14 Crane eyelets 1 Hex...

Page 33: ...68161 Delivery transport storage 4 4 Disposal of packaging When disposing of the packaging comply with the relevant local environmental and recycling regulations in your country and community that are...

Page 34: ...EX zone freedom WARNING Risk of injury due to impact cutting or stabbing during assembly installation of the modules Have installation commissioning servicing and maintenance work carried out only by...

Page 35: ...ding on the size and design of AT4F ATEX unit this can be supplied in different disassembly conditions 5 2 Preparations If no ATEX zone has been defined in the outdoor area the operator must ensure th...

Page 36: ...optional Secure any loosened assemblies The fresh air intake must be designed in accordance with the applicable standards and should be located away from exhaust air outlets or exhaust openings kitche...

Page 37: ...estored every time this connection is disconnected oth erwise the installation must not be operated Housing cover Fig 18 Connection of the housing cover for integration into the equipotential bonding...

Page 38: ...to account when setting up the AT4F ATEX unit see chapter 5 9 3 Condensate drain connection via siphon on page 71 5 2 2 Foundation ATTENTION The installation site must be designed for the loads of the...

Page 39: ...e the specifications from the insulation strip manufacturer Make sure that the natural frequency of the sub construction is sufficiently far away from the excitation frequency of certain components su...

Page 40: ...nit 2 5 3 2 Housing separation point sealing for outdoor installation weather proof Also observe the instructions in chapter 5 5 Outdoor installation on page 47 With outdoor installation an additional...

Page 41: ...raw the aligned unit modules together using suitable equipment e g belts NOTE The unit connections are used exclusively to fix the final housing position 4 After pulling the units together connect the...

Page 42: ...d lower unit ATTENTION With a length offset between the upper and lower unit components the base frame cross profile must be screwed onto the housing cover For AT4F ATEX units in a weatherproof versio...

Page 43: ...ame 4 Floor top unit 2 Microbially inert sealing material with weatherproof units 5 Panel 3 Roof lower unit Step Action 1 With weatherproof units install the microbially inert sealing material 2 aroun...

Page 44: ...other without mixing chamber 1 Spacer rail 3 Panel side 2 Panel roof 4 Countersunk drilling screw Unit arrangement next to one another with mixing chamber ATTENTION A sealing strip 3 must be adhered a...

Page 45: ...is All metallic conductive discharging parts of the unit must be included in the local equipotential bonding measure 5 4 2 2 Version of floor roof assembly without unit frame profile Unit arrangement...

Page 46: ...ive discharging parts of the unit must be included in the local equipotential bonding measure Length offset of unit components ATTENTION With a length offset between the left and right unit components...

Page 47: ...frame preassembled on site Step Action 1 Place the roof frame onto the foundation 2 Screw the roof frame to the foundation and tie it into the building potential 3 Seal the transport openings in the...

Page 48: ...d base frame Step Action 1 Seal the transport openings in the base frame roof frame with the covering caps 2 Pull up the on site roofing membrane for sealing on the base frame roof frame and glue the...

Page 49: ...f frame and integrate the AT4F ATEX unit into the building potential 6 Screw the supplied Z bracket 7 to the base frame 4 7 Attach the on site insulation 6 in the area of the roof frame 2 and base fra...

Page 50: ...e unit modules as close to each other as possible 2 Align the unit modules in the final housing position 3 Draw the aligned unit modules together using suitable equipment e g belts NOTE The unit conne...

Page 51: ...d light headedness Use suitable respiratory protection and safety goggles when working with the solvent welding agent Observe the safety instructions on the containers For further information you can...

Page 52: ...ata sheets from AL KO THERM ATTENTION Welding of the roof membrane must be started immediately after the unit installation to avoid damage Unit separation point straight 1 2 Fig 34 Unit separation poi...

Page 53: ...Drip edge 8 Unit separation line 4 Free roof membrane flaps 9 Solvent welding agent application area 5 Roof membrane Step Action 1 Check that the seal is correctly attached See chapter 5 5 Outdoor ins...

Page 54: ...osition the lower component 2 3 Align the components 4 Screw the components together see chapter 5 3 Assembly of separated housing on page 39 5 Insert the foil bracket 5 under the roof membrane 6 and...

Page 55: ...e chapter 5 3 Assembly of separated housing on page 39 4 Insert the foil bracket 5 under the roof membrane 6 and then onto the component 3 5 Weld the foil bracket 5 to the roof membrane 6 see chapter...

Page 56: ...edge corner the roof membrane is welded on site see chapter 5 5 2 3 Sealing of the unit separation points with solvent welding agent for weatherproof units on page 51 If a crane eyelet is fitted remov...

Page 57: ...C angled and approx 40 mm wide Silicone or metal Hot air welding of sheets The sheets are continuously seal welded backwards in one operation Hot air welding of blanks up to approx 33 cm wide Blanks...

Page 58: ...upplied in a split or disassembled version for ease of handling and transport In this case the plate exchangers can be supplied in one piece split into slies or split into cubes Howev er this depends...

Page 59: ...missible components and due to electrostatic charging If inadmissible components are used for the ATEX version the unit can be electrostatically charged This can lead to an explosion The heat exchange...

Page 60: ...5 3 4 5 Fig 44 2 way valve and 3 way valve connection versions 1 PWW heater 4 Valve 2 Frost monitor 5 Recirculation pump on site 3 Valve actuator Counterflow principle for heat exchanger connection 6...

Page 61: ...ater air cooler PCW can be provided for the additional heating and cooling of the supply air To avoid condensate transfer into the duct a droplet eliminator TA is installed behind the cooler If the ai...

Page 62: ...t be installed professionally It should be noted here whether a version with 2 way valves 3 way valves or with a combination of 2 way and 3 way valves is used For the electrical connection of the actu...

Page 63: ...r the valve nor the valve actuator are sup plied In this case these are on site services NOTE The figure shows schematics only of the hydraulic connection of the heater and the cooler The exact hydrau...

Page 64: ...n be electrostatically charged This can lead to an explosion The heat exchanger used must be suitable for the required ATEX marking The valves and actuators optionally supplied by AL KO THERM may only...

Page 65: ...eat exchanger connection 6 Air inlet 8 Media inlet 7 Air outlet 9 Media outlet Step Action 1 Connect the heat exchanger using the counterflow principle water flow direction opposite the air flow direc...

Page 66: ...in must be fitted with a separate siphon 5 8 4 Steam register WARNING Risk of explosion due to impermissibly high temperatures and due to electrostatic charging If inadmissible components are used for...

Page 67: ...re Secure the hazardous areas Only trained persons are permitted in this area Operate the heat exchanger and the steam register only at the permissible operating points Integrate the heat exchanger in...

Page 68: ...the manufacturer s operating instructions ATTENTION During commissioning observe chapter 5 9 4 Filling and venting on page 73 Step Action 1 Connect the heat exchanger using the counterflow principle w...

Page 69: ...ischarge The direct evaporator must be suitable for the required ATEX marking Integrate the direct evaporator into the equipotential bonding of the unit ATTENTION For the refrigerant supply line the c...

Page 70: ...is passed through the unit and to the outside as exhaust air for heat recovery The duct connection of the air handling unit is to be integrated into the building potential Duct connectors option For t...

Page 71: ...connection via siphon In accordance with VDI 6022 a water drain and siphon is provided on a condensate pan recommended with back flow protection Condensate drain lines must be connected to the drain...

Page 72: ...ht H3 Fig 53 Connection of the condensate drain with ball siphon with overpressure Dimensioning of snake siphon overpressure or vacuum and ball siphon overpressure Below 600 Pa observe min dimensions...

Page 73: ...rmation Clean away puddles and even small spills immediately Use suitable absorbent materials such as cloths or binders Dispose of the used cloths or binders in accordance with the applicable regulati...

Page 74: ...the AT4F ATEX unit with defective or damaged cables or plugs Regularly check the connection cables for damaged areas Use only the permissible tool Shut off the power supply for maintenance work and s...

Page 75: ...consumption may only be measured with the maintenance doors and main tenance panels closed due to the risk of overloading the motor The power consumption must not exceed the specified nominal current...

Page 76: ...r motors with PTC thermistor or thermal contact Circuit for one speed Schaltung der Wicklungsstr nge Schaltung am Klemmenbrett Schaltung Y Schaltung Y Schalter Die Enden der drei Wicklungsstr nge gehe...

Page 77: ...Polumschalter Wicklungsausf hrung f r eine Leistungsstufe entsprechend einem Momentenverlauf f r L fterantriebe Winding design for power level according to a torque progression for ventilator drive un...

Page 78: ...ine terminals are required here Version for ventilator drive units 750 1000 1500 rpm or 8 6 4 pole 750 1500 rpm in Dahlander pole changing Sch tzsteuerung Polumschalter Wicklungsausf hrung 750U min 15...

Page 79: ...12 plug in card in the FC Fig 59 Circuit of three phase motors with frequency converter FC 102 and external repair switch without ATEX requirements outside M 2 4 6 PE 14 13 PE 5 3 1 FU Verdrahtung Ex...

Page 80: ...rcuit must be selected ATTENTION The connection diagrams are intended for illustration only The actual connection diagram for the specific installation is to be found in the installation documentation...

Page 81: ...electric air heater DIN VDE 0100 420 must be observed A separate mains supply is required for the electric air heater Always carry out the electrical connection of the air heater according to the circ...

Page 82: ...The electrical control switch cabinet of the air handling units is available as an option for operation outside the ATEX zones In this version the switch cabinet must be installed outside the ATEX zon...

Page 83: ...rk Wear personal protective equipment Personal protective equipment conforming to TRGS 727 is required for work on the AT4F ATEX unit The maintenance instructions in the operating and assembly instruc...

Page 84: ...ents suitable for the required ATEX marking have been used that no impermissible changes have been made to components that work on in the AT4F ATEX unit takes place during ATEX zone freedom 6 2 Before...

Page 85: ...sing an object WARNING Risk of explosion due to electrostatic discharge electrical ignition sparks or friction and grinding sparks or overheating during fan test run Electrostatic charging ignition fr...

Page 86: ...filters after a short period of operation of the AC unit to remove any dirt that may have entered the filters during the installation phase and after commissioning see chapter 7 4 Replacing component...

Page 87: ...at the heating coil during testing Air temperatures above 40 C Ensure that the air temperatures do not exceed 40 C at any time The air temperature in normal operation continuous operation must not exc...

Page 88: ...nductor test Check for loose components correctly tightened taper lock clamping bushes screws on the motor substructure pressure bulkhead see chapter 7 3 8 4 Fan with belt drive on page 120 Check that...

Page 89: ...mension between the inlet nozzle and impeller must be checked all the way around Depending on the fan manufacturer and fan design there are fixed values that must be observed These must be checked bef...

Page 90: ...otation direction Measure the power consumption with closed maintenance doors and compare to the nominal current specified on the motor type plate Perform a protective earthing conductor test Check fo...

Page 91: ...nderrun during any phase of the rotary movement turning by hand For the valid measured values see the documentation of the fan manufacturer 2 Measure the gap dimension at four points m circumference o...

Page 92: ...ersion the circu lation pump must be installed outside the ATEX area Heat exchangers must be connected in the counterflow principle In the case of two part heat exchangers their pipe or screw connecti...

Page 93: ...t NOTE Further information on the control of AT4F ATEX unit can be found in the AL KO THERM op erating manual for Control ART TECH LEVEL II WARNING Risk of injuries due to run on of fans Only open the...

Page 94: ...ements of DIN EN 1127 1 may be used After carrying out the work ensure that there are no longer any persons in the installation After carrying out the work ensure that all maintenance doors inspection...

Page 95: ...media plate heat exchanger heat exchanger and electric heating coil Wait until the hot surfaces have cooled down Wear personal protective equipment NOTE The owner of an RLT installation is obliged to...

Page 96: ...ed use specialists qualified persons Specialists qualified persons Required hygiene training according to VDI 6022 Sheet 4 Required hygiene training according to VDI 6022 Sheet 4 Required hygiene trai...

Page 97: ...or hygiene deficiencies such as e g microbial growth or soiling rust for mation calcium deposits and damage Check of the total colony count in the circulated water of air humidifiers Table 6 in Sectio...

Page 98: ...heck filter for in tegration into the equipotential bonding and document X 1 filter stage X 2 filter stage X 4 4 Check the hygiene condition X 4 5 Check integrations of the air filter into the unit po...

Page 99: ...g and document it X 6 3 2 Clean to preserve function air side X 6 3 3 Check functionality Repair X 6 3 4 Check control and safety equipment for correct function Repair X 6 3 5 Check integrations of th...

Page 100: ...t and outdoor air supply Repair After installation integrate into the unit potential check the equipoten tial bonding and document it X 7 1 3 Inspect condensate pan and droplet elim inator for soiling...

Page 101: ...e back into the unit potential check the equi potential bonding and document it X 8 2 Inspect the inner air line surface for soiling and corrosion at two to three representative points Determine the c...

Page 102: ...corrosion Clean and repair X 12 1 2 Check the direction of rotation initial commissioning 12 1 3 Re tighten connection terminals X 12 1 4 Measure tension Measured data must be documented in the measur...

Page 103: ...es etc ATTENTION Only lukewarm water possibly with a mild detergent without perfume should be used for cleaning of the inspection glass No cleaning agents and disinfectants that attack the materials u...

Page 104: ...sealing material 7 3 1 Finned heat exchanger These include the pump hot water and pump cold water heat exchangers as well as the evaporators condensers and steam registers WARNING Risk of cuts During...

Page 105: ...em CCS recuperative energy recovery on page 68 7 3 1 1 Maintenance Inspect the heat exchangers on the air side for soiling damage and corrosion Check connections and screw fittings Check function of f...

Page 106: ...ses a lack of hygiene odours material attack etc The use of high pressure water cleaners using conventional spray nozzles is not permitted as these can damage the delicate fins and thorough cleaning p...

Page 107: ...the heat exchangers must be carried out at regular intervals Antifreeze concentration must correspond to the specifications on the technical data sheet We recommend the use of the antifrogen N with a...

Page 108: ...essurised Damage to the heat exchanger can cause a risk of bursting and an explosion This is associated with a loud bang Observe the operating and assembly instructions as well as the working instruct...

Page 109: ...equipment cut proof gloves WARNING Risk of explosion Due to electrostatic charging of the heat exchanger there is a risk of explosion Integrate the heat exchanger back into the unit potential after e...

Page 110: ...at jet nozzle Pressure max 20 bar Water volume max 450 l h Water temperature max 70 C Distance to heat exchanger min 30 cm Nozzle direction 90 offset to foil embossing or fins The minimum distance to...

Page 111: ...Action 1 Pull the filter element with the mounting frame including the collecting troughs out of the AT4F ATEX unit 2 Unfasten the clamping bracket on the filter frame and clean the filter element inc...

Page 112: ...ants Check the end position of the damper adjusting actuators and adjust if necessary 7 3 4 2 Cleaning Clean the multi leaf dampers at regular intervals 7 3 5 Sound absorber WARNING Risk of cuts Durin...

Page 113: ...ial bonding on the sound attenuator splitters 7 3 5 1 Maintenance Check the sound absorbers for soiling and damage at regular intervals 7 3 5 2 Cleaning Sound attenuator splitters optional can be take...

Page 114: ...Due to electrostatic charging of the droplet eliminator there is a risk of explosion Integrate the droplet eliminator back into the unit potential after each unfastening of the equipotential bonding...

Page 115: ...Inspect the water drain and odour trap Check water drain and siphon of the drain tray and top up if necessary Check integration of the droplet eliminator into the unit equipotential bonding ATTENTION...

Page 116: ...arly check the connection cables for damaged areas Use only the permissible tool Shut off the power supply for maintenance work and secure it to prevent restart Observe the electrical safety regulatio...

Page 117: ...pass safety installations Work with care Remove any loose parts in the air handling unit Eliminate tripping hazards Maintain the safety distance Remain in the debris shadow when the fan starts up Wait...

Page 118: ...estart Only open the inspection doors only when the fans are switched off and stationary Observe the delay time of the fans Observe a waiting time of at least 3 minutes until the fan impellers are sta...

Page 119: ...ce purposes Unfasten the fastening screws of the fan unit Unfasten the equipotential bonding connections Unfasten the antistatic canvas nozzle Take out the fan unit out of the housing to the side Afte...

Page 120: ...elt tension is achieved when with the individual test force Fp a belt deflection b according to the technical data sheet has been reached Alternatively it can also be adjusted using frequency measurem...

Page 121: ...n gauge NW Nominal width nozzle D1 Inner diameter cover disc nozzle of the impeller D2 Outer diameter inlet nozzle smin With test gauge for gap width to be ensured Coverage Step Action 1 Check the gap...

Page 122: ...ermodulation Do not operate fans in the range of the resonance speed and its multiples of the fan motor system ATTENTION Observe the manufacturer s documentation NOTE AL KO recommends continuous monit...

Page 123: ...ed via a pressure measuring point on the inlet nozzle This differential pressure effective pressure has a fixed relationship to the volume flow Detailed description on request EHA ETA SUP ODA Atmosphe...

Page 124: ...etween inlet nozzle and impeller Step Action 1 Before commissioning check the gap dimension between the impeller edge and the measuring nipple of the volumetric flow measuring device and between the i...

Page 125: ...cylinder screws size 3535 5050 are lightly covered with threadlocker and screwed in do not tighten the screws yet Clean and degrease shaft Slide the disc onto the shaft using a taper lock clamping bu...

Page 126: ...correct commissioning Checking the electric heater without sufficient air flow due to closed flaps or false air for example Ensure that there is always a sufficient air volume flow at the heating coil...

Page 127: ...ww al ko com The filter elements must be approved according to ISO 16890 The filter elements must be monitored for the final pressures and checked for damage on a regular basis Use only original spare...

Page 128: ...ter bags out individually 3 Check the filter gaskets inspect and replace any damaged gaskets 4 Check the new filter bags for damage compare the ATEX marking of the filter with the ATEX marking on the...

Page 129: ...ATTENTION The particulate air filters should generally be replaced when the permissible end pressure difference indicated on the type plate is reached Only ATEX filters that match the required ATEX m...

Page 130: ...e g test work replacement of fuses to be carried out by qualified staff Only allow diagnosis troubleshooting and recommissioning to be carried out by author ised persons Use the personal protective e...

Page 131: ...the installation is decommissioned for a long period of time the instructions for the individual components must be observed The information from the component manufacturers must also be followed requ...

Page 132: ...st mask Use other protective equipment according to the work carried out Avoid contact with the dust 9 3 Disposal WARNING Risk of poisoning when disposing of the media The unit may contain media that...

Page 133: ...lidated in the event of a modification to the AC unit that is not coordinated with AL KO THERM The warranty may also be invalidated ATTENTION Only use original consumables and spare parts This is the...

Page 134: ...U Declaration of Conformity will be issued per order according to their validity The ATEX markings specified here are only by way of example The documents always receive the valid ATEX marking for eac...

Page 135: ...Subject to changes in line with technical progress 135 3468161 Certifications 11 1 EC Declaration of Incorporation conforming to 2006 42 EC...

Page 136: ...Non electrical equipment for explosive atmospheres Basic method and requirements Atmosph res explosives Paties 36 Appareils non lectriques destin s tre utilis s en atmosph res explosives M thodologie...

Page 137: ...Subject to changes in line with technical progress 137 3468161 11 3 EU Declaration of Conformity in accordance with 2014 34 EC with dust ATEX marking...

Page 138: ...Translation of original operating instructions 138 AL KO AT4F ATEX Notes...

Page 139: ......

Page 140: ...KO THERM GMBH l Jettingen Scheppach l Germany All rights reserved for AL KO THERM GMBH as well as in the event of applications for industrial property rights This documentation or excerpts thereof ma...

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AL-KO AT4F Series, Operating And Assembly Instruction Manual

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