Home

User Manual

image

Contents

1. 21 19 Whatto do EE 22 16 eiecit 268 279 17 Declaration of conformity ele cese eed led ana re nen errnaange rende 280 288 Safety instructions Please read these operating and maintenance instructions through carefully and also pass them on to other people who are entrusted with handling and using this cabinet Check the cabinet for transport damage immediately after delivery The cabinet may only be used in the position in which it is to be operated level horizontal with the opening to the top Please observe the instructions for set up The cabinet is used for the storage of foods that have already been chilled or frozen Therefore any other use is not considered as use as intended Freezers may only be operated with the lid on The cabinet starts to work as soon as the operating voltage is switched on Observe the ratings on the rating plate and the relevant local regulations for electrical safety before you connect the cabinet to the power supply In all effective refrigeration condensation water is precipitated or the moisture held in the air is frozen onto refrigerated surfaces The operator must therefore defrost the cabinet regularly Do not heat the cabinet over 70 C 158 F Do not expose the cabinet to direct sunlight and do not use any heaters or sharp objects when defrosting Do not spray high pressure cleaners or steam jet cleaners into the machine space Sharp objects can scratch and as a conseque
2. Otherwise there is the risk that the cabinets will be switched off when the supermarket lights are switched off 6 2 Power supply details An FI circuit breaker is provided to install AHT cabinets in the supermarket when the electrical installation is done No more than 2 cabinets must be connected to a safety device like this One safety device for each cabinet is preferable 2 cabinets can be supplied for each safety device with a combination of a fuse and circuit breaker LS FI circuit breaker AHT strongly recommends use of an LS FI combination for each appliance for USA a CB GFI combination with C characteristic 10 A nominal current and 30 mA tripping current Type G surge current resistant Should this suggestion not be acceptable the following maximum specifications must be used Fuse For AHT appliances a circuit breaker with a 16 A for USA 15 A characteristic C fuse is to be provided No more than 2 cabinets are permitted on 1 fuse However in order to achieve the highest possible operational safety we suggest that each chest has its own fuse FI circuit breakers It is strongly recommended that you use FI circuit breakers You must ensure that the type G circuit breaker used is be surge protected We suggest that the circuit breaker has the following capacity AHT Cooling Systems GmbH Rated current Release current 40A 30mA no more than 2 cabinets to 1 FI As prescribed by VDE100 410 in its curren
3. 13 F are possible Even if colder temperatures are displayed this does not mean that the cabinet is set at too cold a temperature as the product temperature at the loading limit is clearly warmer than at floor level 19 AHT Cooling Systems GmbH 9 1 10 10 Warning device As an option the cabinets are equipped with a socket connection so that an external warning device can be added on This can be found on the back of the AD cabinets The potential free contacts can be loaded with a protective extra low voltage of max 24 V 2 A If the permitted deviation from the required temperature set is exceeded warmer the contact pair 3 and 6 closes and the contact pair 3 and 5 opens OOO 9 0 Pin assignment of the socket for the warning device view from the rear of the cabinet A suitable plug can be obtained as an accessory You can get further information about additional remote monitoring options from your dealer Maintenance defrosting and cleaning 1 Maintenance ATTENTION Do not heat cabinets over 70 C 158 F and do not expose to excessive heat radiant heaters etc The cabinets are essentially maintenance free There is a discharge channel on the cabinet s inner container for the defrost water which accumulates during automatic de icing Any contamination of this discharge channel must always be cleared 10 2 Defrosting instructions For units with automatic defrost
4. AD If water appears un der the unit after defrosting check the seal tightness of the defrosting tray AD cabinets are fitted with an automatic defrosting system This ensures that only a fine layer of ice can form above the drain channel This is removed twice a week by the automatic defrosting system However should it be necessary to defrost the cabinet this can be done by pressing the v def or MAN DEFROST button This will start the automatic defrosting cycle When the cycle has ended the cabinet returns to normal operation After each defrosting cycle it is not possible to defrost manually for 24 hours During this time the defrosting process cannot be started manually If the cabinet does not respond to pressing the def or MAN DEFROST button it has probably undergone a scheduled defrost process during the night Although automatic defrosting is recommended completely defrost the cabinet once or twice a year to remove the remaining ice build up and to clean the inside of the cabinet 10 3 Cleaning WARNING when cleaning the appliance except for the glass panes in the lid do not use any commercial cleaning agents The appliance is only to be cleaned with a dry cloth Use a dry cloth to wipe down the outside of the casing from time to time Clean the panes of glass with a standard window cleaning agent WARNING since window cleaning agents contain a proportion of solv
5. SECOP DANFOSS electronic temperature control unit The DANFOSS electronic temperature control unit is designed to control and regulate AHT refrigerators and freezers with automatic de icing The control unit can be used both for standalone operation and for cabinets with bus networking The start times for the automatic de icing are set in the factory De icing takes place during the night Before operating for the first time check correctness and contact of all cable connections and the voltage supply one more time Operation Once the voltage has been switched on the cabinet starts automatically During normal operation the cabinet s average interior temperature is displayed in C If you press the Standby Reset button for at least 1 second the cabinet will switch to standby mode The display shows If you press the Standby Reset button once more the cabinet will switch on again and the internal temperature will be displayed This procedure may take a few seconds Button m STANDBY RESET button button Selection of the temperature range parameter and address assignment MAN DEFROST button icing process STANDBY RESET button Main switch for switching to Stand By from normal operation and for cancelling the alarm when there is an alarm Setting a required value The temperature range in which the cabinet is to work can be selected by the following pa
6. can be cleaned Defrost start times with networking via bus Defrosting is performed according to the factory setting beginning at 21 30 The defrosting day is allocated to a group depending on the bus address and automatically calculated by the control unit This prevents all cabinets de icing at the same time The de icing cycles are scheduled at 3 day intervals Handling alarms and cancelling alarms In the event of an error the following is displayed in the 7 segment display After an error has occurred the actual value flashes alternately with the error message In the case of excessive temperature only the actual value flashes After a few minutes only a dot below the actual value continues to flash And every hour the current error message is displayed again The error messages are listed below Actual value Bus Bus error missing address Actual value Col Address collision Actual value F1 Sensor error F1 Actual value F2 Sensor error F2 Actual value F3 Actual value d Fr F3 Actual value Clock Actual value EE Flashing actual value Excessive temperature alarm Sensor error F3 Defrosting system error Time Date not valid Data fault Once an error has been remedied the error message goes out automatically Switching on off using the STANDBY button see section Switching the control unit on and off can be used to cancel the error message If the error is still active the current error message is displayed again
7. designed for storing pre packaged frozen foods which have already been frozen to the appropriate temperature and pre packaged frozen ice cream or frozen ice cream stored in suitable containers The cabinets are not suitable for freezing fresh products ATTENTION A use of the cabinet other than this or one which goes beyond this is considered as not as intended The storage of any type of bottles is considered to be im proper use for freezers There is a danger of injury from breakage The flawless condition of the refrigeration unit and its proper use must be monitored regularly by the in structed operating staff To that effect the units must be checked to make sure that products that have been stored there by third parties improperly are removed fe Detail A EI p m Minimum distances for the cabinets E Uii Detail B Distance A Omm Distance B 155mm 100 mm In all effective refrigeration condensation water is precipitated or the moisture held in the air is frozen onto the refrigerated surfaces This build up of ice is automatically defrosted by the AD cabinets in regular cycles The defrost water which accumulates is led via a drainage channel out of the inside of the cabinet into the machine space and evaporated The build up of i
8. exactly as described in points 1 to 4 always selecting the next free address Alarm and Alarm Reset An alarm is shown by the display of an error message This error code is displayed alternately with the temperature flashing display In addition there is the option of emitting an acoustic signal from a buzzer built in as an extra One short press of the Stand By Reset button A single press of the Stand By Reset button cancels the acoustic alarm if connected and the error code is no longer displayed in the display A red dot remains in front of the Tool symbol in the display ATTENTION When there is no alarm a brief press of the Stand By Reset button switches the cabinet off display Error code table F1 F2 F3 F4 Sensor failure floor 1 air 2 condenser sensor 4 Clock Battery dead E20 Temperature alarm E21 Excessive temperature on F4 E70 Electronic error E75 Excessive electronic system temperature E99 Compressor error and all other errors Err MMI no communication with system De icing In addition to the automatic de icing a manual de icing cycle can also be initiated To do this the MAN DEFROST button must be pressed briefly DEF appears in the display and the manual de icing starts It takes around 10 mins until the ice on the inner wall of the container starts to melt beginning at the top After the de icing cycle has run the cabinet retur
9. for glass splinters Specification of the florescent tubes The cabinet type can be seen from the rating plate Remove the lighting cable black or light grey Loosen the light cover transparent part from the housing by pressing together lightly and remove See pictures Remove defective florescent tube Replace with a new special florescent tube of the same type according to the specifications given below Replace the light cover PARIS 145 1 off 16 x 1149 mm 28W T5 PARIS 175 ATHEN 175 1 off 16 x 1449 mm 35W T5 PARIS 185 ATHEN XL 175 PARIS 210 MALTA 145 2 off 16 x 849 mm 21W T5 ATHEN 210 ATHEN XL 210 ATHEN XL 207 ATHEN XL 207 7 BOSTON 210 PARIS 250 MALTA 185 2 off 16 x 1149 mm 28W T5 Appliances with LED strips The LED strips may only be replaced by an authorised specialist Please contact our AHT customer service centre or our Coolpoint partner 21 AHT Cooling Systems GmbH 12 Taking the cabinet out of operation for a period of time Remove all food Open lid let cabinet come back to room temperature and clean Leave lid open at least a crack approx 2 3 cm Ventilation prevents smells and mould building up in the inner chamber On no account expose cabinet to sunlight with the lid closed Risk of damage due to high inside temperature If the cabinets are not used for longer than 6 months it is possible that the time
10. 15 7 Using the cabinet for the first time and function ssssssssee eene eene nennen nenne 16 8 Operating the AD cablnets reser td ee Ene re FR Eze eR EAA RUE e Re nn an nee Fol anta eae Haare antes 16 8 1 Electronic temperature control unit AHT x01 C F ssssssssssssssse eene nenne ennemi en nennen nnne 16 8 2 SECOP DANFOSS electronic temperature control unit nennen 18 9 Temperature adjustment and control system sssssssssssseeeeee nennen nemen nnnm nennen nennen ns 19 SMEs mm 20 10 Maintenance defrosting and cleaning nnne enne enne nre nennen nennen nnns 20 10 1 VIDET 20 10 2 Defrosting INStrUCTIONS 000 0 cc rn nennen nennen nnne rete nh nnne enne nnns nen AAEE AER nnne enne 20 Een LEE ES 20 11 Replacing the UDE 21 11 1 Appliances with fluorescent tubes 00 0 ccc cece eee ceeecee cee ce ee ee eee tee tec ae eae ae eeeeeeeeees ce caaeaaeceeeeeeeeeeesecseccuecaeeeeeeeeeeesenees 21 11 2 Appliances with LED Sti PS iiion i sin a nn ann ne a ann ddoaveevansennidandectsandecadenadeed 21 12 Taking the cabinet out of operation for a period of time uusurserssssssnnnnnnnnnnnennnnnnnnnnennnnnnnnnnnannnnnnnrnnnennennen 21 UC EMBIDII P c 21 TA ACCOSSOMES
11. AHT Cooling Systems GmbH Verkaufsk hlmobel Gefrieren K hlen Refrigerated Display Cabinet Freezing Cooling PARIS 145 AD VS Typ B823 B823B B823N PARIS 175 AD VS Typ B824 B824B B824N PARIS 185 AD VS Typ B824 B824B B824N PARIS 210 AD VS Typ B829 B829B B825N PARIS 250 AD VS Typ B826 B826B B826N ATHEN 175 AD VS Typ B842 B842B B842N ATHEN 210 AD VS Typ B844 B844B B844N ATHEN XL 175 AD VS Typ B843 B843B B843N ATHEN XL 207 7 AD VS Typ B846 B846B B846N ATHEN XL 210 AD VS Typ B845 B845B B845N MALTA 145 AD VS Typ B822 B822B B822N MALTA 185 AD VS Typ B828 B828B B828N BOSTON 210 AD VS Typ B848 B848B B848N AHT Cooling Systems GmbH LIST OF CONTENTS 1 General SpecifiCatiOlls dace sec ernannt ces xa acere End E A ERI E ER RE enge a ER Ec ERR BUE ERA dure ca nad ale a ER 14 2 Ratings plate and serial NMUMDED 0 ccc eer een ee nrnnnen nennen ener nnne nenne ener 14 3 Peel R MR REN 14 4 Unpacking and handling 14 5 SUM EEEERMMIMRTSUTMT 14 6 Connecting to the electrical supply acne ne qunded cus nnne anne dera nnd exh ancha cu dea de deu er run 15 6 1 Intemal lighting iot a age n rect Rae qu ne nbi dg a aoc HER pet ucutn are RR CHER Rs 15 0 2 Powersupply details asac ree nee aee aen pet Ene eene e leere ra neni en eee tre degno nu 08 ek UR ne FACE ere ana nero ehe
12. If the inside temperature is too warm Were the lids open for a long time Was warm food put in by mistake Has there previously been a longish interruption to the voltage supply If the fault is not caused by any of these please call your customer service department If an error message occurs please call your customer service department 22
13. atings given on the cabinet s rating plate Work on electrical systems may only be undertaken by qualified electricians The relevant local safety regulations must be observed Internal lighting Lighting is already incorporated into the cabinets with AHT cabinets with an internal light An additional light socket must be available for each chest No more than 8 internal lights may be connected to one electrical circuit This information must be taken as a suggestion The electrical supply company regulations and VDE regulations for the relevant region must be noted and observed Electrical work must only be carried out by a qualified professional When using light fixtures these may sometimes be connected to each other using the sockets that are already integrated In this case you will normally only need 1 2 additional sockets for the lighting With the LAK model no more than 12 light fittings can be connected to 1 fuse with the LAL model no more than 18 light fittings and with the LA A model no more than 8 light fittings No other consumer loads may be connected to these sockets ATTENTION You must ensure that no AHT cabinets are connected to the lighting circuit The connection cable for the lighting is marked with a sticker and is either black or grey depending on the country It is very sensible to mark the light sockets clearly to prevent them being confused with the cabinet connector plug light grey cable
14. bed in section 8 The cabinet has automatic de icing The cabinet s de icing times are pre set in the control unit De icing is automatically initiated twice a week during the night De icing can also be initiated manually Manual initiation of de icing is described in section 8 The cabinets have a real time clock which ensures that de icing starts correctly during the night The time on the clock is pre set in the AHT factory If the cabinets are not operated for longer than 6 months it is possible that the time on the clock needs to be re set This is discernible if the cabinets defrost during shop opening hours This means that the frost or ice build up in the inner container is defrosted and the ensuing water is fed away via the discharge channel Should you notice that your cabinet is defrosting during opening hours please call a service engineer to re set the clock on the control unit correctly The food does not come to any harm during de icing The temperatures stipulated by the standard are not exceeded In order to maintain good food quality it is recommended that frozen foods are only put into the freezers in the period from 8 00 to 20 00 8 1 The cabinets must only be loaded up to the stacking lines The storage temperature set cannot be guaranteed above the stacking line A A ATTENTION It is possible that defrosting water may escape from the unit If this happens it should be cle ared up
15. bus address The control units are delivered with the bus address O OFF is displayed as the bus address In this condition OFF the cabinets and control units are not registered in the bus system To identify cabinets in the bus system the addresses from 01 upwards must be assigned Before assignment the cabinets must be networked with an appropriate bus cable The last one in the group must be fitted with a terminal resistance Then we recommend that the addresses are entered in the sequence of the actual wiring order Procedure for address assignment 1 Press the STAND BY RESET button in the display cabinet is switched off appears 2 Press the button 3 times within 1 5 seconds Adr display alternates with the address number With the first cabinet ADR would now appear alternately with OFF in the display 3 If the button is now pressed the next free address on the bus can be assigned Press once and the next free address appears Brief press of the button single jump to the next higher bus address u Long press of the button fast continuous run through of the bus addresses Runs through the loop from OFF to the maximum address 4 After 5 seconds the value is accepted and appears in the display The control unit must be switched on using the STAND BY RESET button 5 For the subsequent cabinets assign the addresses
16. ce caused by any leaks in the defrosting drainage channel does not affect the function of the cabinet The function of the cabinets is not affected by bulges which may occur in operation The built in bars are required for the cabinet to function and must not be removed The bars are required to distance the food from the wall of the evaporator during the defrosting process ATTENTION The models Barcelona Boston and Berlin with double glazed insulating glass without capillary tube valve must not be installed at an altitudein excess of 2 000 metres 6 560 feet above sea level Unpacking and handling ATTENTION To protect the cooling unit from damage the cabinet must only be transported and stored in the operating position Non observance results in the loss of the warranty Before the cabinet is unpacked and while it is being unpacked inspect visually to determine if there is any transport damage Please look for loose parts dents scratches visible fluid losses etc Report any damage to AHT immediately For the rest the AHT terms of business apply Before disposing of the packaging material please check it for any parts of the cabinet which have come loose Set up e Set the cabinet up in a well ventilated place and so that it is level Refrigerating devices discharge the heat they have taken from the storage space into the ambient air Therefore the air circulation around the cabinets should not b
17. ced with the button for 0 5 seconds at least e g from 02 to 01 4 After 10 seconds the value is accepted and changed to the actual value 5 For the subsequent cabinets assign the addresses exactly as described in points 1 to 4 always selecting the next free address e g 02 De icing In addition to the automatic de icing a manual de icing cycle can also be initiated To do this the MAN DEFROST SET button must be pressed briefly d appears in the display for about 2 seconds and then dFr is displayed De icing is now active It takes around 10 mins until the ice on the inner wall of the container starts to melt beginning at the top After the de icing cycle has run the cabinet returns to normal operation The display then changes from dFr to the temperature display 17 AHT Cooling Systems GmbH 8 2 After every de icing cycle the manual initiation of de icing is blocked for 24 hours De icing cannot be manually initiated during this time If the cabinet does not react to the MAN DEFROST SET button being pressed the cabinet has probably been defrosted during the night on the time controller While the button is being pressed is displayed in the 7 segment display Despite the automatic de icing it is recommended for hygiene reasons that the cabinet is completely defrosted once or twice a year so that any ice build up can be removed and the cabinet interior
18. e hindered e Observe minimum distance when assembling in blocks See diagram e The areas in between must not be covered Exception AHT cover or with AHT approval e In the case of individual cabinets keep a min distance of 50 mm all round to neighbouring surfaces e g walls 14 AHT Cooling Systems GmbH Only thin film advertising stickers can be used Do not fix thick insulating materials on the outer walls Avoid draughts and greater heat absorption at the installation site Do not place cabinets in front of heaters and under air outlets Do not point spotlights into the cabinets Avoid lighting with light bulbs as much as possible Fluorescent lights give off less heat Any heat radiation into the storage cabinet leads to increased operating costs and can influence the cabinet s performance ATTENTION Do not expose cabinet to direct sunlight The cabinet must not be heated over 70 C 158 F Connecting to the electrical supply ATTENTION If the mains cable or light flex becomes damaged it has to be replaced by AHT or AHT customer service The cabinet is a plug in compact cabinet The power cable white is 175 m long With cabinets with an internal light the lighting cable black or light grey depending on the country is 120 cm long Both cables are located at the back right of the cabinet and are marked when they are delivered mains cable lighting cab
19. ent contact with plastic surfaces should be avoided It is of particular importance that no window cleaning agent residues are left on any plastic components ATTENTION Do not use sharp objects or tools to scratch or chip off the ice or frost layer Risk of damaging the inner walls Do not spray high pressure cleaners e g steam jet cleaners into the machine space and storage space e Move food to other cabinets Switch the cabinet off by pressing the Aux or Standby Reset button for about 1 second Open or remove lid Let cabinet defrost Remove the bars out of the cabinet Clean the channel with a wet sponge or cloth and remove any particles of contamination ATTENTION The channel must not be cleaned with anything pointed or sharp Suck out defrosted water using a wet vacuum cleaner or dry out using an absorbent cloth or sponge Wipe cabinet dry so cleaning inner chamber Switch the cabinet on by pressing the Aux or Standby Reset for about 1 second e Close lid leave cabinet to chill for 1 to 2 hours and put food back in again To remove particles of contamination from the channel it is also possible to remove dividers and side parts of the bars Front wall and back wall can then be folded down into the centre of the cabinet making the channel accessible for cleaning purposes It is recommended that a manual de icing is initiated before cleaning the channel Wipe the
20. immediately to avoid the danger of a slippery floor ATTENTION It is not permitted to operate the cabinets without a lid or with the lid open All cabinets are equipped with glass lids as standard The lids are required for the correct operation of the cabinet They should only be opened for loading and unloading the food Operating the AD cabinets Despite the automatic de icing it is recommended for hygiene reasons that the cabinet is completely defrosted once or twice a year so that any ice build up can be removed and the cabinet interior can be cleaned Electronic temperature control unit AHT x01 C F The electronic temperature control unit AHT x01 is designed to control and regulate AHT refrigerators and freezers with automatic de icing The control unit can be used both for standalone operation and for block installations Ifthe cabinets are installed in a block they must be linked via bus cables Instructions on cabling and address assignment are given under section Selecting the bus addresses Before operating for the first time check correctness and contact of all cable connections and the voltage supply one more time Operation The temperature is displayed by means of red LEDs in a 7 segment display in which the value is displayed in 3 figures There are 4 buttons available as controls which are assigned as follows button The button is used to select the enabled required values t
21. le Provide 16 A slow acting fuses see technical data on the rating plate for USA 15 A Power cables should have a minimum cross section of 2 5 mm corresponds to USA 14 AWG It is essential to use three core wires The use of a five core cable is prohibited The use of extension leads or multiple sockets must be avoided as far as possible If this cannot be avoided the cables must have a minimum cross section of 2 5 mm corresponds to USA 14 AWG Cabinets should only be connected to shockproof sockets with earth contact and their own mains circuit No more than 2 cabinets should ever be connected to a circuit With cabinets with additional flex for interior lighting only a maximum of 8 light flexes may be connected to a fuse AHT recommends using a cable channel on the floor with sockets built into it or on top The cable channel used must not be any higher than from the floor to the lower edge of the rear ventilation grid of the cabinet Any other fixtures or superstructures e g shelves with longitudinal supports above that obstruct the dissipation of heat between the cabinets must be avoided Should fittings between the cabinets be necessary anyway written approval must be obtained from AHT for the relevant design The sensor connection on the back of the cabinet must only be connected to a safety extra low voltage connection SELV 6 1 ATTENTION Mains voltage and mains frequency must match the r
22. nce break the glass lid single pane safety glass Work on the electrical system and the refrigeration system may only be undertaken by qualified engineers Before unscrewing the machine space cover the mains plug must be disconnected ATTENTION Cabinets with interior lights have 2 mains cables Before working on the electrical installation and the refrigeration system both mains plugs must be disconnected When disposing of the cabinet please check your obligations according to the national WEEE regulations and take the cabinet to the local WEEE disposal service Please ensure that the pipes are not damaged do not drill into the cabinet In order to maintain good food quality it is recommended that frozen foods are only put into the freezers in the period from 8 00 to 20 00 The operating staff must be instructed by the market manager People including children who are notable to use this unit safely because oftheir physical sensory ormental faculties inexpe rienceorlackofknowledgeshouldonlydosounderthesupervisionorinstructionsofanaccountable person Childreninparticular should be supervised to ensure that they do not play with the unit No canisters containing flammable gas propellants may be stored in the unit No objects such as bottles etc may be placed on top of the cooler The unit must be regularly inspected and foreign bodies removed from the goods display area If the appliance should be damaged e g by shopping trolleys thi
23. ns to normal operation The display then changes from DEF to the temperature display After every de icing cycle the manual initiation of de icing is blocked for 24 hours De icing cannot be manually initiated during this time If the MAN DEFROST button were to be pressed during this time then the display would change again to the operating display If the cabinet does not react to the MAN DEFROST button being pressed the cabinet has probably been defrosted during the night on the time controller Despite the automatic de icing it is recommended for hygiene reasons that the cabinet is completely defrosted once or twice a year so that any ice build up can be removed and the cabinet interior can be cleaned Temperature adjustment and control system ATTENTION Observe the storage temperatures stipulated for your products Recommended storage temperatures are e Frozen foods 18 C 0 F e Ice cream 20 C 4 F Minced meat 1 C 33 8F e Milk products 6 C 42 8 C e Fresh milk 4 C 39 2 F e Fruit Vegetables 6 12 C 42 8 F 53 6 F Please ensure that the products being stored are stored at the required temperature The temperature display shows a system temperature which bears no direct relationship with the product temperature The sensor is positioned on the floor of the cabinet under the floor panel Depending on the turnover of goods displays of as low as 25 C
24. o assign addresses and to select the parameter levels Man Defrost Set button Plus button Je AHE Standby button N button The button is used to select the enabled required values to assign addresses and to select the parameter levels MAN DEFROST SET Fig AHT x01 C F button To activate a manual defrost after which a 24 hour block is set until the next deicing i e after this is activated no further manual defrosting is possible for 24 hours STANDBY button The control unit can be switched on and off using this button This switches the AHT x01 control unit only on to Stand By 16 AHT Cooling Systems GmbH General information on operating the buttons Buttons must be pressed continuously for longer than 0 5 seconds to get a reaction f a button is not actuated for 10 seconds the display goes back to actual value Set values are accepted immediately if they are valid Setting a required value The temperature range in which the cabinet is to work can be selected by the following parameters Parameter Function Required temperature on LL A1 Deep freezing required value 1 18 C A2 Deep freezing required value 2 20 C A3 Meat refrigeration 1 C A4 Plus cooling 4 C A5 Free parameter 18 C can be set by customer Setting range from 30 C to 15 C No temperature ha
25. o the product temperature at the loading limit when the cabinet is fully loaded 5 The return to the actual temperature display actual value happens after 10 seconds 6 The value set is accepted immediately after the return to the actual value Selecting the bus address The control unit is delivered with the bus address 0 which corresponds to a standalone cabinet In this condition address 00 the cabinets and control units are not registered in the bus system To identify cabinets in the bus system the addresses from 01 to a maximum of 48 must be assigned Before assignment the cabinets must be networked with a 6 core cable bus cable The last one in the group must be fitted with a terminal resistance Then we recommend that the addresses are entered in the sequence of the actual wiring order The address 01 is essential as energy management and control of the automatic de icing takes place via this address Procedure for address assignment 1 Press the buttons and at the same time for at least 5 seconds 2 Inthe display Adr appears about 0 5 seconds and alternately the current bus address e g 00 for 2 seconds 3 If the button is now pressed for at least 0 5 seconds the next free address on the bus can be assigned By pressing once and assigning the first address 01 it would appear in the display If too high an address was assigned the current address can be redu
26. on the clock needs to be re set This is the case if cabinets are defrosting during opening hours Should you notice that your cabinet is defrosting during opening hours please call a service engineer to re set the clock on the control unit correctly The food does not come to any harm during de icing The temperatures stipulated by the standard are not exceeded This has also been confirmed by the T V 15 What to do if ATTENTION Work on the electrical system and the refrigeration system may only be undertaken by qualified engineers The cabinet has been carefully tested for performance and safety in the AHT test centre Should a fault occur despite this please check the following first of all e Is the mains plug plugged in e Is there voltage to the socket e Has the Aux or Standby Reset button on the cabinet been pressed 13 Disposal WARNING insulating material is polyure thane foam PUR foam with pentane Do not put the cabinet in the normal rubbish Instead please check your obligations accor ding to the national WEEE regulations and take the cabinet to the local WEEE disposal service Please ensure that the pipes are not dama ged 14 Accessories There is a range of special accessories for the cabinets such as e g e lighting sets e dividing walls adjusting shelves e impact and water protection bars For further information please contact your supplier or dealer e
27. outside housing from time to time using a dry cloth Clean the panes of glass using commercially available window cleaner ATTENTION The glass lids are made of special hardened and heat reflecting vaporised glass There is a special lubricant in the sliding frame To keep the lids sliding properly you should clean dirt and dust from the frame every now and again If the glass cover is very dirty e Unplug Remove the cover and clean the glass frame inside and out and in the corners and the cover handle with a steam cleaner 20 AHT Cooling Systems GmbH 11 11 1 Dirt on and behind the water guard bar can be removed with a steam cleaner If necessary the water guard bar can be removed with a Torx screwdriver Remove dirt on the cover runners and kick plates with a steam cleaner too Dry the cabinet Plug in ATTENTION The ventilation grid on the side and the alarm unit on the front of the cabinet must under no circumstances come into contact with the steam cleaner Danger of fire Cleaning activities on the unit must be performed exclusi vely by instructed operating staff There is a danger of injury from sharp edges When cleaning unit models U and S safety gloves must be used Replacing the tube Light cover Appliances with fluorescent tubes E 4 ATTENTION In case of lamp breakage remove all traces of glass carefully from the goods display area and check over the goods
28. rameters Manual initiation of the de Parameter Function Required temperature on LL A1 Deep freezing required value 1 18 C 0 F A2 Deep freezing required value 2 20 C 4 F A3 Meat refrigeration 1 C 33 8 F A4 Plus cooling 4 C 39 4 F A5 Free parameter 18 C 0 F can be set by the customer Setting range from 30 C 22 F to 15 C 59 F No temperature has to be set just the control range A1 A2 A3 or A4 Depending on customer requirements the different control ranges can be blocked or enabled When setting required values selections can only be made within those control ranges which have been enabled If nothing different is requested by the customer the following parameters are enabled Freezer A1 Meat cabinet A3 Switchable cabinet A1 and A3 18 AHT Cooling Systems GmbH Selecting the enabled required value The required value can be selected by pressing the button briefly The currently set parameter appears e g A1 Pressing the button briefly again selects the next required value e g A2 When all enabled parameters have been gone through A1 is displayed again Setting automatically accepted 5 seconds after the last button depression ATTENTION with the U series if a switch is made from A1 to A3 or from A3 to A4 the cabinet s required temperature changes Either from 18 C to 1 C or from 1 C to 18 C Selecting the
29. s damage must be corrected by the store operator ATTENTION Risk of injury Defrosting water or leakage from bottles not properly sealed may escape from the appliance These must be cleared up without delay Danger of slip WARNING if there is a power failure the goods stacked must be checked by the store supervisor 13 AHT Cooling Systems GmbH 1 General specifications Before installing and using this cabinet for the first time the locally applicable regulations stipulated by trade law are to be observed AHT cabinets are free from PCB PCT asbestos formaldehyde cadmium and substances that interfere with wetness The refrigerant RA04A 44 R125 4 R134a 52 R143a is covered by the Kyoto Protocol and has a global warming potential GWP of 3784 Airborne sound emissions of the units 70 dB A In the event of loud noises and or strong vibrations in the unit contact a service technician The weights of the units are given in the datasheets They can be obtained from AHT The design of the individual cabinet types may vary Ratings plate and serial number The specifications on the rating plate are to be observed for installation and maintenance This plate can be found on the back of the cabinet The serial number cabinet type and refrigerant can be found either on the rating plate or on the sticker affixed inside on the plastic frame at the back Application AHT units are
30. s to be set just the control range A1 A2 A3 A4 or A5 Depending on customer requirements the different control ranges can be blocked or enabled When setting required values selections can only be made within those control ranges that have been enabled If nothing different is requested by the customer the following parameters are enabled e Freezer A1 e Meat cabinet A3 e Switchable cabinet A1 and A3 Selecting the enabled required value The control unit is delivered with the required values enabled according to the cabinet type Another required value can be selected as follows 1 Press the or button for at least 1 second 2 Then STP appears for about 0 5 seconds and alternately the current required value e g A1 for 2 seconds 3 If the or button is now pressed the next enabled required value can be selected The selection must be made within 10 seconds otherwise the display automatically goes back to the actual value ATTENTION with the U series if a switch is made from A1 to A3 or from A3 to A4 the cabinet s required temperature changes Either from 18 C to 1 C or from 1 C to 18 C 4 If A5 is selected the required value can be freely set by the user To be more precise with the MAN DEFROST SET button held down the required value can be freely set between 30 C and 15 C using or The required setting corresponds t
31. t version issue dated June 2007 the use of a residual current circuit brea ker RCCB as additional protection for external areas and Sockets 411 3 3 is compulsory as it already is in Austria and Switzerland A separate safety fuse is appropriate for the lighting for AHT cabinets Load dropping switches or cabinet cut off switches are not permitted because malfunctions could occur as a result Should these safety guidelines not be observed claims under the guarantee and or for damages will not be entertained Using the cabinet for the first time and function Before being used for the first time after installation see section 5 the cabinet should have a minimum temperature of 16 C 60 8 F otherwise the cabinet must be adjusted to normal room temperature ATTENTION When the operating voltage is switched on plug in mains plug see section 6 the cooling unit starts to work straightaway After operating for roughly 1 to 2 hours the desired interior temperature is reached see section 9 Recommended storage temperatures The pre chilled chilled food can be put in ATTENTION Do not stand on or put loads on the glass lid The glass lids are not intended as aids for reaching the upper shelves or for storing miscellaneous objects and are not equipped for such loads The AD cabinets are set to a temperature of 19 C 2 F in the factory How to change the temperature value is descri

Download Pdf Manuals

image

Related Search

Related Contents

用語解説(PDF:220.5KB)  User Manual  Einführung in PLUSonline und Blackboard - IFFB Sport  Rexel Replacement Punch Pins for HD2150 and HD4150 Punches  Harman Kardon HD7325 User's Manual  User manual    Q-See QCA7201B Technical Manual  User`s Manual    

Copyright © All rights reserved.
Failed to retrieve file