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Subject to changes in line with technical progress!

119

3468161

Servicing and maintenance

7.3.8.3 Removing the fan for maintenance purposes

Fig. 70 Removal opening for fan, in this case, fan with belt drive

The fan unit can be removed laterally for maintenance 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.

After re-installation, the fan must be integrated back into the device potential.

ATTENTION

Avoid damage to the housing coating by carefully pulling out the fan unit.

NOTE

For easier removal and installation of fans, motor removal rails are available as options.

Содержание AT4F Series

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

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

Страница 139: ......

Страница 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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