User manual - INHECO Industrial Heating & Cooling GmbH
Contents
1. 10 4 2 estat feces tthe edie 10 43 RISK OF INJURY 10 5 NITIAL nnnm nnn nnn nnn nnn nnne nnne nnn nnns 11 5 1 SGOPEOE SUPPLY 5 erect E rete rre rt rene dre ed 11 5 2 USE FOR THE INTENDED PURPOSE ccccecsceesceesceeseeeececeeecaeecaeesaeesaaesaaeseaeeeaseeatens 12 INSTALLATION 2 irit asl es 13 7 _ 5 0 fetes cs 16 8 INITIAL OPERATION erreur nnn nnn nnn 17 9 SAFETY INSTRUCTIONS FOR OPERATION nennen 19 10 SERVICE INSTRUCTIONS 20 1021 OT S cp 20 10 2 FULL SERVICE A isses cerdo t ue Pe CE CERE RE 20 MM FUSE 20 11 TECHNICAL DATA nene 21 111 ce er eec elc et ek t e hn hh d 21 11 2 DIMENSIONAL DRAWING nennen rennen nennt 22 11 3 OPERATING CHARACTERISTIC CURVES 23 12 WIRING SCHEMATIC AND CIRCUIT 2 25 13 EC DECLARATION OF CONFORMITY eee nnnm nennen 27 14 NAME PLATE ERE te teri ce Deer Ee ceo ce eb re Erin Eo 22. jeuuau jeuiqe esn 4 jeuueu L jeuiqe e 6 apis O23HNI page 26 of 28 Version 002 INHECO GmbH inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 13 Declaration of Conformity on the basis of a voluntary test in accordance with Annex VIII of the Directive 94 9 EC of the council for equipment and protective systems intended for use in areas with potentially explosive atmospheres Product ACAC 1800BTU H Ex Proof Model 8700002 Marking II 3G Ex nA T5 Gc Approval EPS 11 ATEX 1 401 X Manufacturer INHECO Industrial Heating and Cooling GmbH 82152 Martinsried Germany The product mentioned above fulfils the basic requirements of the Directive 94 9 EC ATEX Directive 2006 95 EC Low Voltage Directive 2004 108 EC EMC Directive and conforms to the following standards EN 600079 0 2009 Potentially explosive atmospheres part 0 General requirements for equipment EN 600079 15 2010 Potentially explosive atmospheres part 15 Equipment protection by ignition n The product named is intended for incorporation into other equipment Operation is permitted only once the end product has satisfied the requirements of the Directives listed above This statement does not warrant any characteristics regarding product liabi
3. INHECO GmbH Version 002 page 12 of 28 Important inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 6 Installation The unit may be installed only by appropriately trained personnel Use only the correct tools for all types and sizes of screws Make sure that all air inlets and air outlets on both the ambient and cabinet sides are open so that air can circulate without obstruction Check whether the distance between the inlets and all walls are minimum 50mm at the ambient side and 40mm at the cabinet side Check also that the air flow that exits the heat sink does not strike the wall of the cabinet since otherwise turbulence will occur which may affect the reliability of operation Use flow channels or air shields to direct the air flow to areas where it is needed If the flow channels and shield plates for the unit at the installation location does not comply with the required minimum distances the heating and cooling performance of the unit cannot be guaranteed Each fan must be protected by an electrical fuse in accordance with the standard IEC 60127 2 as to limit the maximum current see section 12 Terminal diagram or the circuit diagram When the fuse is fitted within the zone 2 its installation must satisfy section 9 of EN 60079 15 Ensure that the Air Conditioner Heater is operated only when this fuse is in proper condition Never operate the Air Conditioner Heater with a fuse wh
4. do not use the Air Conditioner Heater connected to a power supply other than the specified DC voltage DANGER To avoid injuries by electric shock disconnect the unit from the power supply system before any work on the unit Only trained personnel are permitted to install and deinstall the unit Possible malfunctions of the Air Conditioner are Failure of the ambient side fans Failure of the cabinet side fans gt Failure of the temperature controller Failure of the power supply Operation above the specified ambient temperature condition All these malfunctions can lead to increased temperatures at the Air Conditioner especially at the ambient side These increased temperatures can damage parts of the Air Conditioner DANGER When the Air Conditioner or parts of the Air Conditioner are operated at temperatures higher than specified the Air Conditioner does not comply with ATEX rating Do not use the Air Conditioner after it has been operating under temperatures higher than specified in environments which require ATEX certificates INHECO GmbH Version 002 page 19 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 10 Service Instructions 101 Cleaning Regularly check that the fans and the heat sinks on the ambient and the cabinet side are free from dust and dirt If necessary blow out the fans and heat sinks with compressed air Take care that the compressed air does
5. 4100 4300 4500 4700 Capacity BTU Hr Picture 6 Heating Curves of the Air Conditioner in Metric and US Units at ideal conditions non condensing Example for calculating the heating capacity of the AC with given temperatures Definition delta T Tcabinet T ambient Teabinet 5 C Tambient 20 C Teabinet 41 F Tambient 4 F Heating Power 1060 W 3620 BTU HR calculation deltaT 5 C 20 C 25 C calculation deltaT 41 F 4 F 45 F INHECO GmbH Version 002 page 24 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 12 Wiring schematic and circuit diagram Table 3 Wiring of the Air Conditioner Description Wire No Power consumption AWG Color 132 Vdc at 1600 W PE GND 9 12 4 mm GN YE Breaks an electric contact when temperature rises Resets automatically when temperature drops Cooling mode wiring as shown in Table 3 Heating mode TEC polarity must be switched Cable length 10 foot 3 m End of cables End splices marked with permanent wire marker tags heat shrink covered clear INHECO GmbH Version 002 page 25 of 28 industrial heating amp cooling inheco Air Conditioner ACAC 18000BTU H Ex Proof SSdl apis quaiquiy pues epis juaiquiy T XuisjeeH jusrquiy esnj euusu p jueiquiy jeuueu
6. and labels that are no longer legible INHECO GmbH Version 002 page 9 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 4 Other Hazards 4 1 Electric shock hazard If the unit is not connected properly or if the unit is not disconnected from the power supply when working with the cabinet open or during installation you may suffer an electric shock Please observe the following measures in order to avoid muscle convulsions burns unconsciousness cessation of breathing and even death Do not work on the unit with the cabinet open when it is connected to the power supply The unit is operated at a voltage of up to 125V DC and takes a current of up to 12 ADC 4 2 Burn hazard You may burn your skin when touching the heat sinks of the AIR CONDITIONER HEATER These heat sinks can reach temperatures up to 75 C The heat sink cools down only slowly after the unit has been switched off 4 3 Risk of injury You may injure yourself if you touch the impeller by hand when it is running You may also be injured if you move items you are holding into the sweep of the impeller when it is CAUTION running Do not remove the finger guard until the power has been switched off INHECO GmbH Version 002 page 10 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 5 Initial Operation 5 1 Scope of supply Before commissioning check
7. permitted to operate this unit Only trained skilled personnel are permitted to install and operate this unit 2 3 Decommissioning and disposal The unit must be disposed of according to the applicable environmental directives INHECO GmbH Version 002 page 8 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 3 For your Own Safety Disconnect the unit from any power supply system when installing it By doing so accidents can be avoided 3 1 3 2 3 3 Technical modifications For reasons of safety no technical modifications to this unit are allowed Any modification or change which is not approved by the manufacturer will invalidate the warranty The original parts are designed especially for the AIR CONDITIONER HEATER Parts provided by other suppliers have not been tested and are therefore not approved by INHECO GmbH Using them can lead to impairment of the functionality of the unit INHECO GmbH accepts no liability for damage which may occur due to the use of parts other than original parts Malfunctions If any malfunction occurs report it immediately to the responsible person Make sure the unit is secured against vandalism and misuse If any safety relevant parts are removed they must be reinstalled and checked before restarting operation Name plate and labels Please check all name plates and labels and ensure they remain legible Replace any name plates
8. 250W 300W 350W 400W 450W 500W Capacity W Air Conditioner ACAC 1800BTU Ex Proof Cooling with Drip Pan 77 F ambient delta T F 40 50 60 70 0 200 400 600 800 1000 1200 1400 1600 Capacity BTU HR Picture 5 Cooling Curves of the Air Conditioner in Metric and US Units at ideal conditions non condensing Example for calculating the cooling capacity of the AC with given temperatures Definition deltaT Tcabinet Tambient Tambient 45 C Tcabinet 35 C calculation deltaT 35 C 45 C 10 C Tambient 113 Tcabinet 95 F calculation deltaT 95 F 113 F 18 F Cooling Power 350 W 1195 BTU HR INHECO GmbH Version 002 page 23 of 28 inheco industrial heating amp cooling Air Conditioner ACAC 18000BTU H Ex Proof Air Conditioner ACAC 1800BTU Ex Proof Heating with Drip Pan 10 C 5 C 0 C 0 C 5 C ambient 10 C E 415 C 5 om 20 C 40 C 75 25 ambient 30 C 35 1 40 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 Capacity W Air Conditioner ACAC 1800BTU Ex Proof Heating with Drip Pan 10 F 0 F 32 F 10 F ambient _ 20 F LL 30 F 8 40 F 40 F 50 F ambient 60 F 70 F 80 F 2900 3100 3300 3500 3700 3900
9. 8 INHECO GmbH Version 002 page 6 of 28 WARNING gt gt CAUTION Important 5 D inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 1 Explanation of symbols A high possible danger leading to serious bodily harm or even death is being pointed out to you A possible danger leading to serious bodily harm or even death is being pointed out to you A possible danger leading to less serious bodily harm is being pointed out to you A possible dangerous situation leading to material damage is being pointed out to you This sign refers to useful information as to installation etc Bullet points refer to enumeration These arrows are intended to give instructions These squares refer to procedures which run automatically and results which should be achieved INHECO GmbH Version 002 page 7 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 2 Safety Instructions 2 1 Conventional usage The AIR CONDITIONER HEATER units are state of the art devices and complies with today s standards The manufacturer attaches great importance to the user s safety The following rules apply to the user e Rules of accident prevention e General rules for technical safety EU and other national directives Conventional usage include usage as listed in this manual This unit is to be used only in the specified environment 2 2 Who is
10. EX certification do not use the Air Conditioner Heater without a fuse or with a fuse whose rating is different to that specified The fuse is part of the Air Conditioner and can be change from inside of the cabinet INHECO GmbH Version 002 page 20 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 11 Technical Data 11 4 Technical Data Table 2 Data of the ACAC 1800BTU H Ex Proof Max cooling power at 25 C 77 F ambient 528W temperature and delta T OK 55 68 9 dBA Overall dimensions H x W x D 265 mm x 579 mm x 294 mm 10 4 x 22 8 x 11 6 See Initial Operation on page 11 for more detailed information INHECO GmbH Version 002 page 21 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof 11 2 Dimensional drawing Dimensions in rnm inch Mounting Flange Insuation be removed Pan nth Mounting bore holes Picture 4 Dimensional Drawings of the Air Conditioner INHECO GmbH Version 002 industrial heating amp cooling page 22 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 113 Operating characteristic curves Air Conditioner ACAC 1800BTU Ex Proof Cooling with Drip Pan 0 C 25 C ambient 10 C 20 C 60 C 30 C ambient delta T C 40 C 50 C OW SOW 100W 150W 200W
11. dge or insufficient knowledge of the manual will invalidate claims against INHECO GmbH The operator should therefore ask for confirmation from the manufacturer that instruction has been given INHECO GmbH Version 002 page 5 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling Content 1 EXPLANATION OF SYMBOLS 7 2 8 2 1 CONVENTIONAL USAGE 0 000 ener eere eer tnn 8 22 WHO IS PERMITTED TO OPERATE THIS 0 6 8 23 DECOMMISSIONING AND 5 5 00 0 0 6 8 32 5 22 2 9 3 1 TECHNICAL 5 00 0 0 9 3 2 ABI Nero foes eee tite 9 3 3 NAME PLATE AND 1 5 0 0 9 4 OTHER 5 10 4 1 ELECTRIC SHOCK HAZARD 000 00 6
12. e cabinet wall Before mounting the unit again check the screws the screw threads and the gasket for damages DANGER Do not use damaged or not original parts for mounting the unit DANGER When screws or and the gasket are damaged the Air Conditioner does not comply with ATEX rating Do not use the Air Conditioner with damaged screws or gasket in environments which require ATEX certificates Replace damaged parts according the replacement parts list Note inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 8 Initial Operation For the exact specifications of the Temperature Controller for the Air Conditioner please refer to the corresponding manual Please check the temperature controller must ensure that even during the worst case the voltage does not exceed 5 6 of the specified maximum nominal voltage The controller is not included in the Air Conditioner package and for this reason the device is marked with the symbol X accordingly to the ATEX standard 60075 15 section 13 gt Turn on the power for the AIR CONDITIONER HEATER Check the proper operation of the ambient side fan When connected correctly the air flows through the fan and exits from both ends of the ambient side heat sink gt Check the correct operation of the cabinet side fan When connected correctly the air flows through the fan and exits from both ends of the cabinet side heat sink To av
13. et wall by using the ends of the 20 pcs M5 or 10 threaded bolts to position the gasket Check the fit and position of the gasket Both sides of the gasket and opposite surface of the mounting frame must be clean flat undamaged and free from grease or separator INHECO GmbH Version 002 page 14 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling Take the Air Conditioner the Air Conditioner weighs about 30 0 kg and hold it in upright position and fit in the cabinet side of the Air Conditioner through the cut out in the cabinet wall Fix it with 20 pcs M5 or 10 nuts and washers The nuts should be tightened crosswise in three rounds to assure a proper press fit of the gasket During the first round apply 50 of the torque during the second round 8096 and during the third round apply the full torque The torque should be 4 2Nm to ensure the gasket functions correctly Please check whether the applied torque does not damage the screw thread Make sure that the cabinet wall is tightly sealed against the gasket and is not deformed Check the torque 24 hours after mounting Cabinet Wall D Gasket Mounting Flange SA Nut Washer Threaded bolt amp Cabinet Fan Picture 3 Mounting of the AIR CONDITIONER HEATER Check visually that the gasket between the ambient side heat sink base and the cabinet fits properly and is not damaged Swi
14. inheco industrial heating amp cooling Air Conditioner ACAC 1800BTU H Ex Proof Explosion Proof Rating ATEX Zone 2 T5 Protected against dust and water to IP55 Part number 8700002 User Manual Part no 900308 002 May 2015 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling INHECO Industrial Heating and Cooling GmbH reserves the right to modify their products for quality improvement Please note that such modifications may not be documented in this manual This manual and the information herein have been assembled with due diligence INHECO GmbH does not assume liability for any misprints or cases of damage resulting from misprints in this manual If there are any uncertainties please feel free to contact sales inheco com How to contact INHECO page 4 The brand and product names within this manual are registered trademarks and belong to the respective titleholders INHECO GmbH Version 002 page 2 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling Table 1 Version Management 001 July 2012 Use for intended purpose added Note on stability of the switch cabinet wall Torque for installation specified Each of the fans requires an electrical fuse Technical data higher ambient temperature Technical data ambient side satisfies IP55 Circuit diagram fuse added Name plate added EC Declaration of Conformity Certificate dele
15. lity The safety instructions stated in the User Manual must be adhered to G nter Tenzler Managing Director May 2015 INHECO GmbH Version 002 page 27 of 28 Air Conditioner ACAC 18000BTU H Ex Proof 14 plate inheco industrial heating amp cooling INHECO GmbH 82152 Martinsried Manufacturer ul Germany Module name ACAC 1800BTU H Ex Proof Item number INHECO PN 8700002 Serial number SN XXXX Date of manufacture YYYY MM Rati Equipment group category 136 Ex nA T5 Gc Ambient conditions Ambient 49 C 40 F lt Ta lt 55 131 F temperatures TEC Pi 1600W 0 132V DC Max power consumption Power supply Fan Ambient 56W 24V DC Fan Cabinet Pi 35W 0 24V DC CE mark C RoHS kite mark 090 CE conformity certificate number Certificate no EPS 11 ATEX 1 401 X INHECO GmbH Version 002 page 28 of 28
16. not damage the impeller bearing Also check the leak tightness of the gasket and check that all screws are tightened to the correct torque 10 2 Full Service Provided the AIR CONDITIONER HEATER is operated within the specified ambient conditions a FULL SERVICE of the unit is recommended after 5 years of operation 43 500 hours The FULL SERVICE of the AIR CONDITIONER HEATER must be performed by INHECO GmbH or by authorized partners from INHECO GmbH DANGER If after 5 years of operation the unit has not been given a FULL SERVICE by an authorized person the Air Conditioner Heater may no longer conform to ATEX certification In environments which require ATEX certification do not use the Air Conditioner Heater after 5 years 43 500 hours of operation unless the unit has been given a FULL SERVICE Please contact us for further information on authorized partners of INHECO GmbH 10 3 Fuse Each fan must be protected by an electrical fuse in accordance with the standard IEC 60127 2 as to limit the maximum current see section 12 Terminal diagram or the circuit diagram Ensure that the Air Conditioner Heater is operated only when this fuse is in proper condition Never operate the Air Conditioner Heater with a fuse whose rating is different to this DANGER If the unit is operated without a fuse or with a fuse whose rating is different to that specified the Air Conditioner Heater is no longer ATEX certified In environments which require AT
17. not run the unit without testing the proper function of the heating cooling mode and the proper function of the open loop detection for the ambient and cabinet side temperature Otherwise overheating and damage of the unit and surrounding equipment can occur When the heating and cooling mode and the ambient and cabinet side temperature sensors do not work properly the Air Conditioner does not comply with ATEX rating Do not use the Air Conditioner without proper function of the heating and cooling mode and proper function of ambient and cabinet side temperature sensors in environments which require ATEX certificates INHECO GmbH Version 002 page 18 of 28 CAUTION BP gt p inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 9 Safety instructions for operation To avoid injuries and damage an unimpeded air supply must be ensured at both heat sinks To prevent damage to the AIR CONDITIONER HEATER the specified ambient temperature must not be exceeded see 11 1 Lift the unit carefully To prevent damage to the thermoelectric modules avoid side loads or pressure on the heat sinks Use the unit only within the specified range of DC voltage and current see 11 1 The unit operates only on DC and not on AC DANGER If the unit is connected to a power supply other than the specified DC voltage the Air Conditioner Heater is no longer ATEX certified In environments which require ATEX certification
18. oid malfunction of the Air Conditioner all 6 fans have to work in the cooling mode To avoid malfunction of the Air Conditioner the cabinet fans have to work in the heating mode Check the operation of the heating or cooling function In cooling mode the heat sinks inside of the cabinet are cold the heat sinks outside the cabinet are hot In heating mode the heat sinks inside of the cabinet are hot the heat sinks outside the cabinet are cold To avoid malfunction of the Air Conditioner the heating mode the cabinet temperature must be below 20 C The cabinet temperature must be controlled by the user to avoid malfunction of the unit At 75 5 C 167 F heat sink temperature the Air Conditioner must shut off The AC is equipped with thermal fuses on all heatsinks If one heat sink is too hot an open loop will be detected The user has to make sure that the AC is shut off immediately after an open loop temperature above 75 C 5K was detected INHECO GmbH Version 002 page 17 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling To start up 1st time or restart during ambient temperature conditions below 4 C 40 F gt Cabinet side fan has to be warmed up above 20 C 68 F Ensure this temperature with a short run in the heating mode before switching on or connection to electricity power Otherwise damage cannot be excluded DANGER Do
19. ose rating is different to this DANGER If the unit is operated without a fuse or with a fuse whose rating is different to that specified the Air Conditioner Heater is no longer ATEX certified In environments which require ATEX certification do not use the Air Conditioner Heater without a fuse or with a fuse whose rating is different to that specified The unit must be provided with a device for suppression of transient surges The device for suppression of transient surges must reduce surges to a maximum of 140 33 6 V DC of the operating voltage DANGER If the overvoltage is higher than 40 the Air Conditioner Heater no longer complies with the ATEX rating INHECO GmbH Version 002 page 13 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling Installation procedure Cabinet Wall 20pcs Threaded Bolt 5 or 10 Gasket Picture 2 Mounting of the AIR CONDITIONER HEATER from inside the cabinet The cabinet wall must have 20 pcs threaded bolts M5 or 10 for mounting the Air Conditioner The Air Conditioner is mounted from inside of the cabinet The Drip Pan should be mounted after the Air Conditioner is fixed to the cabinet wall Check whether the area for the gasket around the cutout in the cabinet wall is properly finished and free from any dirt dust or any other materials Recommended surface roughness Rt 50 160um Place the gasket inside the cabin
20. tch off all electricity power for the cabinet Connect the 9 leads to the power supply controller inside of the cabinet as DANGER specified see also the Wiring scheme in chapter 12 The sensor loop must be connected and detected Otherwise the Air Conditioner does not compl with ATEX rating The sensor loop detects over temperature at the surfaces of the Air Conditioner Incase of a malfunction the overvoltage must be limited to max 5 6 of the value shown in the chapter Technical Data DANGER If the Overvoltage is higher than 5 6 the Air Conditioner does not comply with ATEX rating INHECO GmbH Version 002 page 15 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 7 Dismounting The unit may be installed or reinstalled only by appropriately trained personnel Use only the correct tools for all screws gt gt gt INHECO GmbH Version 002 page 16 of 28 Shut down the main power for the AIR CONDITIONER HEATER Disconnect the 9 leads to the power supply Controller inside of the cabinet as specified in the corresponding manual see page 19 Dismantle the 20 pcs M5 or 10 nuts and washers Be careful to prevent the unit from falling down as there are no additional safeguards when the screws are removed Take out the unit through the cutout of the cabinet wall If necessary take off the gasket from the base of the ambient side heat sink or th
21. ted 002 May 2015 Explanation of symbols symbols changed Technical data cabinet fan INHECO GmbH Version 002 page 3 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling How to reach INHECO INHECO GmbH 82152 Martinsried Germany Telephone Sales 089 899593 101 E Mail Sales sales INHECO com Telephone Technical Hotline 089 899593 201 E mail Technical Hotline techhotline INHECO com Fax 089 899593 149 Website www INHECO com This manual belongs to Type Serial Year of manufacture Order To be filled in by customer Inventory No Place of installation INHECO GmbH Version 002 page 4 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling About this manual This manual is part of the Air Conditioner Heater ACAC 180 W Ex Proof and must be e retained until the Air Conditioner Heater is disposed of e passed on when the Air Conditioner Heater is sold or lent Contact INHECO in case there are any uncertainties of how to operate or how to handle the Aid Conditioner Your opinion about this manual provides us with valuable insights on how we can improve this document Please do not hesitate to send your comments to us at the address or the phone numbers on page 4 The safety instructions must be read very carefully They must be understood and observed in order to ensure safe working Lack of knowle
22. that the device was delivered complete and undamaged The following components are included in the scope of supply Air Conditioner Heater incl gasket e Handling instruction e This Manual 2 EE JN C Picture 1 Scope of supply INHECO GmbH Version 002 page 11 of 28 inheco Air Conditioner ACAC 18000BTU H Ex Proof industrial heating amp cooling 5 2 Use for the intended purpose The Air Conditioner Heater is intended for heating and cooling of switch cabinets which are located in zone 2 potentially explosive atmospheres in accordance with Directive 94 9EC The switch cabinet may be installed either in a protected environment or in the open air A precondition for the use of the Air Conditioner Heater in Zone 2 is that the switch cabinet satisfies at least the requirements of Index of Protection 54 and is also approved for Ex zone 2 When correctly installed the gasket supplied with the Air Conditioner Heater offers IP55 protection Correct installation is described on the following pages Enclosing Zone 2 IP54 protection Degree of dirt 4 Gomponent Zone 2 Component Zone 2 IP55 protection Degree of dirt 3 Figure 1 sectional view there is no air flow between the module and the inside and outside of the switch cabinet The cabinet with IP54 protection is not part of the module and is provided by the operator The appropriate degree of dirt on the module side is stated in DIN IEC 60664 1
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