User Manual
Contents
1. problems while immediate switch on Page 12 of 15 5 The humidity adjusted at the hygrostat does not become achieved and or the device does not switch off automatic Is the hygrostat adjusted on a value lower than 40 45 r h Humidity values with a minimum of 40 45 r h can be achieved with a condensation dryer Adjust the hygrostat to a reachable value Is the unit with enough capacity for your application The air changing number of the persons in the room and open water surfaces decide on the humidity burden in the room Let calculate the necessary capacity from your dealer Is there a lot of water in the walls or the floor In that case the dryer needs some time to remove that water and to achieve an acceptable humidity in that room ATTENTION The appliance must be repaired by trained and expert personnel only In the case of interventions by unauthorized people any and all warranty claims shall become null and void If you have any questions regarding defects and malfunctions of AERIAL air dryers we recommend get in touch with your supplier The producer AERIAL GmbH you reach under 0049 40 526879 0 or www aerial de 10 Disposal Please do not dispose this unit with the domestic waste and please do not dispose this unit in the environment We dispose this unit for you free of charge and environment friendly Please contact us Alternative your local waste management enterprise takes this unit for envir2. 0082 1 97 Electromagnetic Compatibility EMC Basic Specification Emitted Interference EN 60335 2 40 98Safety of electric appliances for domestic use and similar purposes In the case of changings at the unit this manufacturer s declaration becomes void Norderstedt 02 01 2008 sign stamp 1g Karsten Meier General Manager AERIAL GmbH Oststrasse 128 22844 Norderstedt DEUTSCHLAND Niederlassung Schweiz AERIAL GmbH Tafernstrasse 20 5405 Baden Dattwill SCHWEIZ Page 15 of 15
3. CE AERIAL Instruction manual Dehumidifier AD 740 750 770 790 i a valid 02 2008 Page 1 of 15 Index 5 1 5 3 5 4 5 6 5 7 5 8 5 9 5 10 10 11 12 General advice Mode of functioning Safety Installation and transport Operation Electrical connection Putting into operation Operation panel AD 740 750 Operation panel AD 770 790 Description of operation panel Hygrostat control Condensate outlet AD 740 750 Condensate outlet AD 770 790 Condensate pump option Automatic defrosting Operating conditions Technical data Service and maintenance Trouble shooting Disposal Circuit diagram Manufacturer s declaration Page 2 of 15 ODDOONNNDOW 10 11 11 12 12 13 13 14 15 1 General advice You have bought an air dryer made by AERIAL thus deciding for a proven quality product Made in Germany If f there are any questions you will find some advice in this manual how to eliminate such difficulties as quickly as possible ATTENTION Immediately after receipt you should check your air dryer for transport damage In the case of damage you should inform the forwarding agent parcel service post office etc accordingly upon receipt and make a note of it on the forwarding documents If a transport damage should be noticed after unpacking the equipment please contact immediately your respective seller or specialized dea
4. dryer An adsorption dryer is to be employed if lower values are required For this purpose ask your technical consultant Optimal climate For living rooms environmental conditions of 20 25 C and 50 60 r h are recommended For building drying the hygrostat becomes turned at continues running POS 1 In the case of the drying rooms with wood equipment e g floors or paintings antiques and similar things should not be fallen below a humidity of 55 Ask your technical consultant in the case of special applications External humidity control We also deliver AD 7 optionally with connection option for an external On off switch e g through a dew point control or external hygrostat In that case the device is equipped with our SensorLogic which supplies a floating contact and a mains voltage of 24 V An Amphenol socket is then in the operating tableau instead of the hygrostat With an Amphenol plug accessory your external control can be connected very simply Page 8 of 15 5 7 Condensate outlet AD 740 AD 750 The dehumidifiers AD 740 AD 750 are provided with a water collecting bucket 12 I and a connection for hose 15 mm The water bucket is in the device on a balance The balance is activated by the weight of the full bucket and the device is switched off Switch off the unit at the on off switch and empty the bucket After the bucket is placed in the device again turn on the device at the on off switch A con
5. electrical connection Before connecting the air dryer the following items must be checked gt Does the mains voltage coincide with the voltage of the appliance gt Adequate fusing of socket and supply system gt Has the required residual current operated circuitbreaker r c c b been installed in case of swimming baths gt Ifa cable drum is used has it been unwound completely gt Is the appliance connector suitable for the building socket gt Is the socket provided with a earth connection ATTENTION Before putting the air dryer into operation the technical data of the appliance should be compared to the conditions prevailing in the room of installation Page 5 of 15 5 2 Putting into operation ATTENTION Before putting the air dryer into operation the instruction manual should be studied carefully Thus damages by a false or inappropriate operation as well as by inadequate environmental conditions can be avoided For using the air dryer please proceed as follows gt After having been transported the air dryer should rest for about 15 min During this period of time the oil inside the refrigerating system that was foamed during transport will return into the compressor We recommend this procedure since it extends the service life of the compressor Put the plug into the socket Check whether the bucket is placed in the unit AD 730 740 standard or a drain hose has been fastened and laid appr
6. ersons who were instructed from the operator The user is responsible in the field of action third parties compared to Responsibilities for different activities on the device must of course be determined and kept Unclear competences are a safety hazard The operator must make the operating instruction available for the user and make sure that the user did understand the manual Page 4 of 15 4 Installation and transport The AD 7 is planned for the mobile effort During the setting up and transportation of the dehumidifier the following items are to be considered gt That dehumidifier must be installed so that the air can circulate without obstruction through him The air filter and also the outlet grille of the front wall must not be covered The open space before the outlet grille and the air filter must at least conduct 1 meter Before every local alternation of the device switch off the device at the on off switch pull the power plug from the socket and empty the water tank The air dryer must be moved only using the provided wheels and handhold The air dryer must be installed on a plane base only as otherwise it must be secured against rolling off That dehumidifier can be transported upright or laid flat The upright transportation is to be preferred if possible gt The appliance must be used exclusively for air drying ATTENTION Do never pull or move the device at the power cable 5 Operation v Yv vy 5 1
7. h the heat pump effect the outlet air is some degrees warmer than the sucked room air Useful energy can conducted up to 3 fold of the electrical power consumption The absolute moisture of air is lowered continuously by the continuous circulation of the room air through the device The surplus moisture is removed safely and efficiently Page 3 of 15 1 wet room air 1 l ki ag 2 dry air l 3 evaporator f 71 4 condenser 3 4 A 4 5 water tank Saree Tek A 6 compressor z i i 7 fan TEN j ie xy be f 5 E 6 ae 4 y m 3 Safety The condensation dryers AD 7 are furnished with protective devices The devices were subjected to a safety examination Dangers threaten in the case of operating error or abuse for the user for the machine and other real values for the efficient work of the machine All persons who have to do with the installation service and maintenance of the devices must be qualified correspondingly and consider this operating manual precisely Using as directed The condensation dryers are intended for the drying of air with atmospheric pressure Risk by accessory Hoses for condensate removal and air filters must be fit expertly and must not take the protective devices of the condensation dryers out of operation The control elements must always remain freely amenable Authorized users The service of the condensation dryers AD 7 may only be carried out by p
8. ler Before putting your air dryer into operation for the very first time these instructions for operation should be studied very thoroughly Thus you can make sure that this appliance will operate perfectly for a long period of time saving yourselves unnecessary repairs and expenses In the case of malfunction disconnect your appliance and ensure that it is not connected again by taking the mains plug out of the socket Please keep the device wrapping in order to be able to send the device safe for guarantee repair In order to save space you open simply the adhesive tape with a knife and you fold the carton 2 Mode of functioning The AD air dryer is constructed exclusively for air drying in closed rooms That dehumidifier can prevent the formation of condensation eliminate too high air humidity and hold a specific air humidity constant The time which the dryer requires in order to achieve a specific humidity depends essentially on the environmental conditions The attainable humidity value is equally dependent on the environmental conditions The AD dehumidifier works according to the condensation principle with heat recovery The fan shown indicatively below suck the moist air through a cool register evaporator The air becomes so far chilled under the point of condensation here that the moist air condense as water and flows into the water collecting tank The chilled and dried air is warmed up at the condenser again Throug
9. m at the evaporator The volume of ice depends on the ambient conditions prevailing in the room to be dried The air dryer is equipped with an automatic hot gas defroster It ensures that depending on the extent of ice formation the appliance will be defrosted automatically according to the following principle gt A temperature sensor measures the condition existing in a critical area of the evaporator gt It transmits the signal for defrosting to the DryLogic electronic The DryLogic finds out if defrosting is necessary and it will start defrost mode on its own gt During defrosting the compressor works and the fan does not work When the ice is defrosted the dehumidifier will start again with dehumidifying Page 9 of 15 6 Operating conditions AD condensation dryers are suitable for the effort on construction sites in residential buildings in swimming halls in garages and storerooms AD condensation dryers work problem free at the temperature range of 3 to 32 C and in the case of relative humidity from 40 to 95 r h Optional the unit is deliverable with included ThermoLogic opt extra In this way the device turns off at inadmissible temperatures and on again at more permissibly temperatures automatically The use in rooms with higher temperatures leads to disadvantages at the compressor The use in rooms with lower temperatures is ineffective and can lead to icing Also the storage of the dehumidifier at inadmi
10. nection outlet 15 mm is placed above the bucket Remove the bucket provided that you would like to guide the condensate directly into a drain Attach a hose to the drain 15 mm and secure this with a hose clamp Proceed cautiously in order not to burst the drain from the condensate tub Guide the hose with slope of the device into the drain away at least 5 cm per meters slope 5 8 Condensate outlet AD 770 AD 790 The air dryer AD 770 790 are serially equipped with fitting for 15 mm hoses As an accessory a water tank 25 Itr optional extra is available which is put under the device at the back A piece of hose which is led into this bucket is already mounted ATTENTION Make sure that the condensate can always be handled safely The water tank at AD 770 790 optional extra does NOT disconnect the device in the case of full state During unattended using AD 770 790 with built in pump is advisable 5 9 Condensate pump optional Optional the devices are available with built in condensate pump In that case a connection piece is found at the back wall of the device for hose 12 mm A red pushbutton is also found at the back wall In this way the pump can be emptied manually for example before transportation of the device We recommend the manual pumping out before transportation since otherwise water from the pump can run onto the ground while tilting the device 5 10 Automatic defrosting During air drying ice may for
11. o not use aggressive Detergent Insert new or cleaned filter Insert filter holder Put main plug into the socket Switch on dehumidifier VVVVVV VVVVVV Page 11 of 15 This cleaning is without fail regularly required During construction site effort after every effort or once a week No other maintenance work is required for the air dryer 9 Trouble shooting Assign that dehumidifier a putative defect on please first check the following points If this should provide no relief please contact your technical consultant 1 The dehumidifier shows a bad or no drying capacity The humidity is lower than 40 r h or the temperature in that room is lower than 3 C The using of the dryer is uneconomical in the case of these conditions It is recommended to disconnect the dryer Tipp Put the built in hygrostat on an attainable value e g approx 50 r F with it the dryer punctually may switch off The air filter is soiled The dryer does not receive air sufficiently Clean the filter and or install a new one A soiled air filter can in the long run lead to disadvantages at the dryer Tipp Control the filter regularly 2 The fan of the dehumdifier does not work The unit is in defrost mode In this case the compressor still runs and the fan does not run The red neon in the operation panel lights up After some minutes the unit will start with regular working 3 The complete dryer is out of operation Fan and compressor d
12. oes not run Is the dryer switched on The On Off switch must be in position l and must light up Is the unit supplied with voltage The On Off switch must light up in Pos I Check the main cable an additional cable the socket and the main fuse The humidity value adjusted at the hygrostat is achieved The dryer will start again after exceeding the adjusted humidity Only at units with optional extra ThermoLogic gt gt Thermostat switch off lt lt red neon in the operation panel The ambient temperature in that room is lower than 3 C or higher than 32 C The red neon lights up see 5 3 5 4 5 5 operation panel The unit will start again when the temperature in that room has achieved normal conditions between 3 C and 32 C Only at AD 740 AD 750 gt gt water collecting bucket is full lt lt The red neon lights up see 5 3 5 4 5 5 operation panel Empty the water bucket and put it back into the unit see 5 7 condensate outlet 4 Strong icing up at the evaporator Put the dryer into a room with min 10 C room temperature and wait until complete ice is defrosted Switch on the unit again in that room with min 10 C and let work for approx 3 hours If there is icing up again please contact your dealer Otherwise make sure that the units is only been used in rooms with more than 3 C Also the storage of the dehumidifier at inadmissible temperature conditions can lead to damages
13. onment friendly disposal Page 13 of 15 11 Circuit diagram balance switch 2 only Hy at AD 740 and AD 750 NC x1 Line Bl BSZ x s5 H4 D ert xi XL N X 11 aN XI H3 x x a Arrprenok socket If ThermoLogic is installed wire B1 is removed IF SensorLegic is installed no hygrostat is built in Page 14 of 15 1 On Off switch S2 balance switch Hy hygrostat BD Dry Logic K1 switching relay K2 power relay C1 capacitor C2 capacitor M1 compressor M2 fan H1 defrost neon H2 hygrostat neon HS lt 2 C gt 32 C neon H4 tank full neon Y1 magnetic valve P1 plug for pump BSZ operation time counter 12 Manufacturer s declaration EU directive 98 37 EG EU directive 2004 108 EG EU directive 73 23 EWG manufacturer AERIAL GmbH Systeme zur Luftbehandlung OststraRe 128 D 22844 Norderstedt Product description dehumidifier type AD 740 AD 750 AD 770 AD 790 capacity 42 90 I day The product described above is an ambient air dryer ready for connection Related standards EN ISO 12100 Safety of Machinery EN 50081 1 92 Electromagnetic Compatibility EMC Basic Specification Emitted Interference EN 5
14. opriately AD 770 790 standard AD 730 750 option Switch on the unit by actuating the ON OFF switch Set the required humidity value at the hygrostat please refer in this respect to Hygrostat Control If the existing humidity is higher than the set value the air dryer will start to operate If the existing humidity is lower than the set value the air dryer will not start to operate 5 3 Operation panel AD 740 AD 750 CO www aerial de Page 6 of 15 5 4 Operation panel AD 770 AD 790 www aerial de 8 9 10 11 12 5 5 Description Operation panel 1 Operation time counter 2 red neon at AD 740 750 tank is full unit has switched off 3 red neon option ThermoLogic opt extra has switched off The ThermoLogic switches the unit off if the ambient temperature is higher lower than the allowed working range gt 32 C lt 3 C As soon as the allowed temperature has reached the unit switches on again automatically 4 green neon standard Unit is in defrost mode The compressor runs the fan does not run hot gas defrosting 5 orange neon standard The unit has switched off because the humidity in thet room is ok has achieved the requested value 6 Hygrostat see 5 6 Hygrostat control 7 On Off Switch 8 Make sure a free space in front of air inlet outlet 9 Don t switch on the unit in horizontal position 10 Make sure that the condensate can d
15. rain off reliable into a sump or bucket 11 Close doors and windows while using the dryer 12 Check and clean air filter regularly 5 6 Hygrostat control The air dryers of the AD series dispose of a hygrostat for setting the required humidity value This hygrostat is located in the operation panel It makes that the air dryer cuts in as soon as the ambient humidity exceeds the preset value If the humidity value falls below the set value the hygrostat will switch off the unit Page 7 of 15 Pos 0 Unit is switched off Pos 1 Continues operation 80 The dehumidifier switches off when a humidity of approx 80 r h has achieved And switches on again when humidity is higher than 80 60 The dehumidifier switches off when a humidity of approx 60 r h has achieved And switches on again when humidity is higher than 60 40 The dehumidifier switches off when a humidity of approx 40 r h has achieved And switches on again when humidity is higher than 40 20 The dehumidifier switches off when a humidity of approx 20 r h has achieved And switches on again when humidity is higher than 20 The smooth setting option of the hygrostat makes a very convenient humidity control possible for you If very precise values are requested you should match the hygrostat with the information on a precise hygrometer Please consider Humidity values of a minimum of 40 45 r h can be achieved with a condensation
16. ssible temperature conditions can lead to damages problems while immediate switch on Therefore make possible short time for adaptation for the device before switch on ATTENTION The appliance must not be used under the following conditions in rooms of potentially explosive atmosphere in rooms of aggressive atmospheres for example ammonia and wood acid In rooms with water which shows a pH value outside of 7 0 to 7 4 Remark In The case of lower pH value corrosion occurs at all metals and damages occurs at mortar containing materials In the case of higher pH value it comes to irritation of skin and eye mucous membrane and extreme lime deposits In rooms with salt or salty liquids Salt content gt 1 also sole baths In rooms of air treated with ozone in rooms featuring a high concentration of solvents in rooms of an extremely high ratio of dust In the case of doubtful operating conditions it is recommended to contact the Technical Department of Messrs AERIAL or a specialized dealer Using an AD air dryer under inadequate operating conditions will entail that the warranty becomes null and void 7 Technical data Among other things many different components which are installed in the condensation dryer decide on the capacity of the device Since these components can never be completely identical in accordance to DIN EN 810 the capacity may deviate up to 5 of specified capacity General Operational range 3 C up
17. to 32 C 40 r h up to 95 r h Protection class IP 44 Voltage 230 V 50 Hz Page 10 of 15 Type AD 740 AD 750 AD 770 AD 790 Air volume cbm h 710 710 900 1400 POWEL Max 800 900 1015 1700 consumption Watt Noise level dB A 53 53 53 65 Refrigerant charge see pag7 R407c R134a R407c type plate Capacity power consumption at 1 24h 42 0 55 0 70 8 90 0 o O 30 C 80 Watt 800 900 1015 1700 1 24h 26 8 34 1 44 58 3 o O 27 C 60 Watt 700 780 840 1400 1 24h 19 2 24 5 28 6 41 0 o O 20 C 60 Watt 600 660 710 1150 1 24h 11 0 14 0 17 5 20 0 o O 10 C 70 Watt 500 560 558 950 dimensions mm 880 x 520 x 495 1000 x 640 x 580 weight kg 40 42 55 61 8 Service amp maintenance ATTENTION When performing any repair or maintenance the general safety rules and provisions must be adhered to In order to guarantee a troublefree function of the dryer the device should be cleaned regularly The following procedure is recommended Switch OFF the air dryer Disconnect mains cable Remove filter holder Remove filter for cleaning or disposal Dismount front panel Blow out device cautiously with compressed air wear protective goggles In this case it might ensure that all components are cleaned Compressor evaporator condenser ect Check hose connector and connected hose Mount front panel Clean case with moist cloth D
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