UP(T)/UX(T) SERIES
Contents
1. UTENSIL WASHING MACHINES UP T UX T SERIES Starting from Serial No 8664 0001 INSTALLATION AND OPERATION INSTRUCTIONS original instructions REV 08 10 2010 IMPORTANT NOTES USE IN ACCORDANCE WITH REGULATIONS The machine is technical work equipment for express use in the work place The machine is exclusively to be used to wash ware such as pots and pans baking sheets cutlery trays etc Do not use for electrically heated cooking and heat conservation appliances Do not put heavy objects on the top of the machine SAFETY Never hose down the machine Do not stand on the open front door of the machine A The Attention symbol is shown beside instructions that are essential for the safe operation of the machine Please read these passages thoroughly LIABILITY Installations and repairs which are carried out by non authorized technicians or the use of other than original spare parts and any technical alterations to the machine may affect the warranty set out in the standard conditions of sale MACHINE NOISE LEVEL The machine noise level is lt 68 dB A CONNECTING TENSIONS The machine described in this operation manual has following connecting tensions 400 V 50 Hz 3 Ph N PE 08 10 2010 BA 21870 001 GB CONTENTS BA 21870 001 GB Ti INSTALLATION sisiscescccecscscccdedsnnscisussenscccdsiintcnstderemccsass 5 EL MOCATION eins orones SEAE geg 5 122 Electrical Gonn ct2. the residual water can be pumped out by pressing and holding down the ON OFF button 3 seconds On a machine which is already switched off this starts a shortened drain cycle When the ON OFF button has gone out completely e Switch off main switch or unplug and close the shut off valve If no button is pressed for 6 hours the machine switches off automatically without draining CLEANING DAILY Attention Do not stand on the open front door of the machine Attention To clean the machine do not use any chloric acidic or abrasive products and no metallic brushes Open the door Take out and clean strainers under running water Please ensure that food debris does not enter pump intake Clean interior of the machine Put strainers back into place Leave the door open for ventilation CLEANING WEEKLY BA 21870 001 GB Take out wash and rinse arms and flush 08 10 2010 17 a 6 SWITCH OFF AND CLEANING THE MACHINE 6 4 HYGIENE CYCLE 18 NOTE After reaching a pre set number of wash cycles the Hygiene indicator lights up to indicate that an automatic hygiene cleaning of the machine interior should be carried out Before end of operation Put 6 for UXT UPT 10 HOBART Hygiene Cleaner Tabs into the machine interior Close the door Push Program button repeatedly until the upper display shows H Push ON OFF button As
3. 3 4 of the water supply hose to the site shut off valve Do not kink or cut the supply hose If an extended supply hose is required use one of the same specif cations as the original STEAM CONNECTION STEAM HEATED MACHINES ONLY Must be carried out by an authorized technician according to the local and national codes Connection to steam supply DN 20 0 5 3 5 bar max 150 C See data plate Dimension of steam and condensate piping has to be according to the requirements The machine is equipped with all necessary fittings Make sure that permissible pressures and temperatures will not be exceeded 08 10 2010 BA 21870 001 GB 1 INSTALLATION ADJUSTMENT OF SHUT OFF VALVE FOR STEAM SUPPLY 0 80m Geer ic SCO SCC CD BA 21870 001 GB 1 6 The built in shut off valve is equipped with an adjustment device A to limit the steam flow rate A special tool is necessary for adjusting the valve seat Attention The correct adjustment is very important particularly for higher pressure and therefore must be done by a HOBART trained service technician at first installation or after any changes are done at the customer site The adjustment is correct if the heating up time of the boiler is as long as the shortest wash cycle while the valve is opened to maximum If adjusted too far open press
4. AID 4 3 Place the suction hose marked blue into the bottom of the deter gent container Fill the suction hose according to section 4 4 CHEMICAL DEFICIENCY SENSOR Reiniger Klarspuler BA 21870 001 GB Attention All below mentioned steps must be carried out by service tech nicians qualified by Hobart Before removing the housing make sure the machine is volt age free Make sure to observe all precautionary measures required when working near live components Carry out hose filling SF1 and SF2 via the customer menu see section 4 4 Watch both hoses until the sensor operated filling is completed The control LEDs must light up If necessary readjust the potenti ometers increase setting e Factory setting potentiometer setting for detergent 3 e Factory setting potentiometer setting for rinse aid 5 Activate the sensor by using CH 1 in the customer menu see section 9 7 08 10 2010 11 Ga A STARTUP 4 4 PRIMING THE SUCTION HOSES 4 4 1 Attention The machine has to be switched off Is carried out automatically if chemical sensor is activated but will take several wash cycles Therefore we recommend manual hose priming as follows Open the door Push Stop button and Program button simultaneously until e the upper display shows CH1 and e the lower display shows 2 50 Push Program button re
5. salt and potable water Attention Filling the salt reservoir with cleaning agent will damage the water softener Open the door Unscrew the softener lid and fill with 2 kg of Granular regeneration salt using a funnel do not use salt tablets Fill up the softener with potable water only at the first run Clean seal and rim of softener lid carefully before closing the lid Close lid and tighten In order to prevent corrosion it is necessary to remove any salt residues from tank bottom Adjust the water hardness according to section 9 3 When the Salt indicator illuminates during operation the soft ener has to be refilled with regeneration salt There will be a slight delay before the salt light extinguishes after refill 08 10 2010 13 e OPERATION 14 PREPARATION Check correct position of wash rinse arms and strainers Open shut off valve Switch on main switch or put the plug in Check level of detergent and rinse aid containers Close door and push the ON OFF button OU tank will be filled The ON OFF button will become gradually green during fill and heating cycle This process can take several minutes When the button becomes completely green machine is ready for operation Remove coarse food debris Remove foam producing substances albumins etc Pre treat hard baked on food debris e g pre soak Insert baking sheets into the appropriate rack Avoid overlapping are
6. the Hygiene cycle runs duration dependent on model and water con nection up to one hour the green illuminated segments go out one after the other At the end of the cycle the machine switches off automatically When the ON OFF button has gone out completely e Switch off main switch or unplug and close the shut off valve If necessary hygiene cleaning should be carried out before reaching the pre set number of wash cycles With regular use the machine interior will remain free of food debris and depos its 08 10 2010 BA 21870 001 GB 7 TEMPERATURE PREVIEW BA 21870 001 GB Press and hold 3 seconds the Program button until the actual temperatures C are displayed top rinse bottom wash The indicators go out 10 seconds after releasing the Program button Permanent temperature display can be activated on request by the service technician 08 10 2010 19 c FAULTS INDICATIONS A code will be shown in the upper Display see table Die ON OFF button flashes GREEN RED alternately restricted operation may be possible CODE POSSIBLE CAUSE MEASURES AL Drain hose is blocked Restart drain cycle Clean drain hose if necessary HEI Rinse booster heating defective Call the after sales service dO External demineralisation cartridge depleted Replace cartridge SAL gt A DAN Salt deficiency only with built in softener Ref
7. E segment background GREEN Select between different preset programs Push button Display shows the selected program number and the corresponding run time e g PO2 240 Only for PREMAX models UP UPT Direct ON OFF switching of the Intensive cycle PO3 Stop button In case of operating error or faults Switch off machine immediately without draining Push button After switch off the machine is not voltage free Display e g temperature indication Wash C see section 7 Display e g temperature indication Rinse C see section 7 Salt required Insufficient regeneration salt in softener if built in Detergent Rinse Aid indicator Detergent or rinse aid deficiency if chemical sensor is activated JOGOO Hygiene indicator Service indicator Hygiene cleaning should be carried out see section 6 4 Machine operation is faulty see section 8 08 10 2010 BA 21870 001 GB 4 START UP Attention Head height of dosing pump max 1 5 m Do not swap containers Use only commercial detergent and rinse aid Please pay attention to the manufacturers safety instructions DETERGENT 4 2 Attention Do not use any acidic detergent products with the built in deter gent pump The ph value has to be higher than 7 Place the suction hose into the bottom of the detergent container Fill the suction hose according to section 4 4 RINSE
8. MINATION OF SETTING MODE COUNTER DISPLAY Open the door and close it again or do not press any button for 10 seconds 24 08 10 2010 BA 21870 001 GB 10 FROST PREVENTION BA 21870 001 GB A Attention This should be only be carried out by an authorized service technician In case of frost or longer operation pauses e g for seasonal operations the machine must be completely drained Reset for operation according to section 12 08 10 2010 25 SCH 11 MAINTENANCE In order to maintain the warranty as well as a permanently safe efficient and trouble free operation of the machine the required maintenance must be carried out by authorized service technicians For this reason we recommend the conclusion of an inspection and maintenance contract which assures qualified support by specially trained service technicians according to a time scheduled based on the operating conditions 26 08 10 2010 BA 21870 001 GB 12 TROUBLESHOOTING GUIDE 12 1 POOR WASH RESULT TYPE OF FAILURE POSSIBLE CAUSE REMEDY Washware is not clean Wash arms stiff you should be able to turn them easily by hand Take out wash arms and clean them thoroughly Check water outlet from machine to wash arms is Clear Wash arm nozzles are clogged visual check Take out wash arm remove cleaning cap and rinse wash arm thoroughly until soil is removed Replace correctly Rinse arm nozzles a
9. as Put pots and pans face downwards into the racks Protect light washware by covering with a rack or special weighted frame 08 10 2010 BA 21870 001 GB 5 OPERATION BA 21870 001 GB PREMAX MODEL UPT GN parts can also be placed in the guide rails of the additional lateral wash system Attention When using the lateral wash system please note that the wash result is better in the center than on the outer edges Racks can also be hung on the hooks of the additional lateral wash system RUN Load machine and close the door Push the ON OFF button During the running wash cycle the color of the ON OFF button changes from blue increasingly back to green Attention For PREMAX models UP UPT a soaking phase is integrated in the cycle During this phase the machine is silent As soon as the ON OFF button illuminates completely green the wash cycle is finished Open the door and take out rack Allow washware enough time to dry MACHINES WITH EXHAUST HEAT RECOVERY OPTIONAL The ON OFF button shows a circling blue segment on a green background as long as steam is exhausted from the machine For high capacity requirements it is not necessary to wait for this pro cess to complete before continuing operation of the machine 08 10 2010 15 a 5 OPERATION 5 3 SELECT PROGRAM The machine runs automatically using the Standard cycle program If needed it is p
10. closed or if no button is pressed for 15 seconds the indicator automatically switches off and the new settings will be saved Therefore the setting procedure described below can be interrupted at any time 9 1 ADJUSTMENT OF DETERGENT DOSAGE QUANTITY Push Stop button and Program button simultaneously until e the upper display shows CH1 and e the lower display shows e g 2 50 pre adjusted value of the detergent dosage 2 50 g l To adjust the detergent dosage push the ON OFF button repeat edly until the desired value 0 00 9 50 g l appears NOTE Adjustment should be done in accordance with chemical sup plier s recommendations PREMAX MODELS UP UPT The dosage amount for the detergent direct injection cannot be changed 9 2 ADJUSTMENT OF RINSE AID DOSAGE QUAN TITY Push Program button again e The upper display shows CH2 e The lower display shows E g 0 30 pre adjusted value of the rinse aid dosage time 0 30 g l To adjust the rinse aid dosage push the ON OFF button OU repeat edly until the desired value 0 00 2 00 g l appears NOTE Adjustment should be done in accordance with chemical sup plier s recommendations BA 21870 001 GB 08 10 2010 21 SCH 9 SETTINGS AND COUNTER VALUES 9 3 ADJUSTMENT OF WATER HARDNESS 9 4 9 5 With optional softener only To adjust the softener to the local wat
11. er hardness obtain details from local water authority Push Program button again until e the upper display shows H04 Push ON OFF button repeatedly until the desired setting HO1 HOA appears e HOI up to 9 eh e H02 10 to 18 eh e H03 19 to 26 eh e H04 27 to 38 eh CYCLE COUNTER Push Program button again e The display will show alternately P or the number of wash cycles e The lower display shows the values from 1 to 999 Thousands will be shown in the upper display Example 1023 wash cycles Max Indication 999 999 WATER CONSUMPTION COUNTER 22 Push Program button again e The display will show alternately E or the water consumption liter e The lower display shows the values from 1 to 999 Thousands will be shown in the upper display Example 10217 liter Max Indication 999 999 08 10 2010 BA 21870 001 GB 9 SETTINGS AND COUNTER VALUES 9 6 ACTIVATION DEACTIVATION OF ACOUSTIC SIGNALS 9 7 Close the door e The upper display shows SF1 Push Program button repeatedly until S is shown By pushing the ON OFF button acoustic signals can be activated deactivated a e The lower display shows I activated or O deactivated ACTIVATION DEACTIVATION OF CHEMICAL SENSOR 9 8 Push Program button again e The upper disp
12. h Str 17 77656 Offenburg Tel 49 0 781 600 0 Fax 49 0 781 600 23 19 E Mail info hobart de As continued product improvement is a policy of HOBART Internet www hobart de specifications are subject to change without notice 30 08 10 2010 BA 21870 001 GB
13. ill the softener with granular regeneration salt CLOSE Door is open during filling Close door Die ON OFF Button illuminates RED and the Service indicator 4 illuminates CODE POSSIBLE CAUSE MEASURES FIL Shut off valve is closed Open shut off valve at site and switch on machine again Fill valve or fill system defective Call the after sales service SIE Tank strainer not correctly positioned Put strainer correctly in place UL Drain hose blocked Restart drain cycle Clean drain hose if necessary Fill system or drain system defective Call the after sales service FO1 Temperature probe rinse booster defective Call the after sales service F02 Temperature probe tank defective Call the after sales service F03 Pressure transmitter rinse booster defective Call the after sales service F04 Pressure transmitter tank defective Call the after sales service CLOSE Intensive cycle PO3 interrupted Close door OTHER INDICATIONS CODE POSSIBLE CAUSE MEASURES CH1 Detergent deficiency Replace container After container replacement it can take DOS several wash cycles until the indicator goes out If required CH2 Rinse aid deficiency hose priming should be carried out according to section 4 4 20 08 10 2010 BA 21870 001 GB 9 SETTINGS AND COUNTER VALUES Attention The machine has to be switched off Open the door If the door is
14. lay shows CH e The lower display shows the respective setting 0 sensor deactivated l sensor activated for detergent and rinse aid 2 sensor activated for detergent 3 sensor activated for rinse aid To adjust the setting Push the ON OFF button repeatedly until the desired setting appears CONTROL OF THE DETERGENT DOSAGE PUMP BA 21870 001 GB Push Program button again e The upper display shows CH1 e The lower display shows the respective setting 0 not activated l activated according to dosage setting 2 activated setting parallel to rinse pump 3 activated setting parallel to wash pump 4 activated setting parallel to fill valve To adjust the setting Push the ON OFF button repeatedly until the desired setting appears 08 10 2010 23 SCH 9 SETTINGS AND COUNTER VALUES 9 9 CONTROL OF THE RINSE AID DOSAGE PUMP DISPLAY CH2 Push Program button again e The upper display shows CH2 e The lower display shows the respective setting 0 not activated l activated according to dosage setting 2 activated setting parallel to rinse pump 3 activated setting parallel to wash pump 4 activated setting parallel to fill valve To adjust the setting Push the ON OFF button repeatedly until the desired setting appears 9 10 TER
15. on eet ue ee 5 1 3 Water Connection ccccccececceceeceeeceeeeeeeeceeeeeeneeesseeecseeeseaeeesseeesneeees 6 1 4 Steam Connection Steam Heated Machines On 6 1 5 Adjustment of Shut off Valve for Steam Supp 7 1 6 Drain Connechon iii n 7 2 DISPENSER CONNECTION cccccsseeseeeeeeeeeeeees 8 3 CONTROLS oanien 10 4 ta TEE 11 kk Detergent eco ane e ee sete 11 42 RINSE PIG EEN 11 4 3 Chemical Deficiency Sensor 11 4 4 Priming the Suction HOSES cccccssscceeessscesceseeessesseeesssseeessssseeeeseaas 12 4 5 Softener Optonalt 13 5 OPERATION pccssnsicniisencntansasncccsuudesscansbunsaaniinadeassrneeacns 14 E ET CEET 14 Mr 15 D Select Progra neeaaea enetexeqdessteeFiscascntassesscdssececteedeaedoers 16 6 SWITCH OFF AND CLEANING THE MACHINE 17 Ee E 17 6 2 Cleaning Dat iesist eieiei eitia 17 6 32 Cleaning WGK eoc eE E eE 17 OA Bettel 18 7 TEMPERATURE PREVIEW wisiwisssssseceitocnciunsectiniedaseianne 19 8 FAULTS INDICATIONG cccccceseeeeeeeeeeeeeeeeeeeeee 20 9 SETTINGS AND COUNTER VALUES nes 21 9 1 Adjustment of Detergent Dosage Quantity ccccsssessesssseesssseeeseeees 21 9 2 Adjustment of Rinse Aid Dosage Quantity ccccessccssssssesssssteeesseees 21 9 3 Adjustment of Water Hardness 22 QA ee e tr ER 9 5 Water Consumption Couter 22 9 6 Activation Deactivation of ACOUSTIC Ggnals 23 9 7 Activation Deactivation of Chemical Sensor 23 9 8 C
16. ontrol of the Detergent Dosage PUMP sssssnnnssssssnnnrrrrrssnrrrrrrrsssnsrrrnna 23 9 9 Control of the Rinse Aid Dosage Pump Display CH2 cc ccessseeeeeeees 24 9 10 Termination of Setting Mode Counter Display 24 08 10 2010 3 CONTENTS Page 10 FROST PREVENTION ccccccecescesceeesseeeseeseeeusaues 25 11 MAINTENANCE cccccceceeceseecescesecseeeseueeeeesaees 26 12 TROUBLESHOOTING GUIDE c cccccseeesseseseeeeees 27 12 1 Poor Wash Reenlt s e steeger EE EE 27 122 Other Manch ONS essi aaia 28 08 10 2010 BA 21870 001 GB 1 INSTALLATION 1 1 LOCATION Wall clearance is not required at the rear The lateral distance between machine and wall should be at least 400 mm on one side To avoid damage of the feet do not slide the machine on floor after the skid is removed Level machine by turning the feet Distribute machine weight equally onto all feet 1 2 ELECTRICAL CONNECTION A Must be carried out by an authorized technician according to the local and national codes For Australia in accordance with AS NZS3500 1 The electrical supply shall comply with the name plate data Modification to a different electrical supply is possible within the range of variations designated in the circuit diagram Line fuses and cable cross section shall comply with the require ments A cutoff device shall be provided to connect the s
17. ossible to select a different program To show the present program push the Program button M before starting the wash cycle To change the program push the Program button again The theoretical runtime is then shown in the lower display PO1 Short cycle PO2 Standard cycle PO Intensive cycle P04 H Hygiene cycle see section 6 4 Continuous cycle An operating Continuous cycle is shown by the running lights on the display To stop the cycle push the ON OFF button After 20 minutes the machine will stop automatically After a short break rinse starts automatically The machine continues with the chosen cycle until it is switched off or another program is chosen PREMAX MODELS UP UPT During Intensive cycle PO3 a pre soaking phase occurs using steam and detergent direct injection For these models the Intensive cycle PO3 can also be selected directly by using button CG Pushing button again switches the machine back to the Standard cycle 16 08 10 2010 BA 21870 001 GB 6 SWITCH OFF AND CLEANING THE MACHINE 6 1 SWITCH OFF NOTE NOTE Close the door Push and hold approx 3 seconds the ON OFF button until the first segment of the blue illuminated button goes out During the drain cycle the interior of the machine is cleaned automatically A final inspection is recommended to remove any food debris If the interior of the machine is hosed down again manually
18. peatedly until e the upper display shows d and e the lower display shows 0 Close the door e The upper display shows SF1 e The lower display shows 0 DETERGENT SUCTION HOSE 4 4 2 Pushing the ON OFF button OU activates the hose priming for 80 seconds Check the fill level thereafter and if necessary repeat Each cycle can be interrupted by pushing the ON OFF button again RINSE AID SUCTION HOSE 12 Push the Program button e The upper display shows SF2 e The lower display shows 0 Pushing the ON OFF button OU activates the hose priming for 160 seconds Check the fill level thereafter and if necessary repeat Each cycle can be interrupted by pushing the ON OFF button again 08 10 2010 BA 21870 001 GB 4 START UP 4 4 3 DETERGENT DIRECT INJECTION UP UPT ONLY 4 4 4 Push the Program button again e The upper display shows SF3 e The lower display shows 0 Pushing the ON OFF button activates the hose priming for 20 seconds Check the fill level thereafter and if necessary repeat Each cycle can be interrupted by pushing the ON OFF button again TERMINATION OF HOSE PRIMING 4 5 Open door and close it again or do not press any button for 15 seconds SOFTENER OPTIONAL NOTE BA 21870 001 GB For the first run the softener has to be filled with regeneration
19. penser Remove the rear panel Drill a hole through the inner tank wall appropriate to the required connection diameter see fig Screw the dosing connection tightly to the tank wall Connect the plug B of the wire harness with the dosage pump max 100 VA Conductivity probe Conductivity probe should be installed at the flat part of tank bot tom see fig The hole size should be appropriate to the conductivity probe Put panel s back into place Switch on main switch at site or put the plug in Dispenser and chemical sensor adjustment see section 9 08 10 2010 fb CONTROLS ON OFF button Program button FUNCTIONS Start machine Push button Start wash cycle If the machine is ready for operation Push button Start automatic drain and self cleaning cycle Push Button and hold for 3 seconds Thereafter machine switches off automatically but is not voltage free DISPLAYS The current machine mode is displayed by different colors GREEN Machine is ready for operation BLUE Wash cycle is running RED permanently Failure indication see section 8 GREEN RED alternating Failure indication see section 8 The status of the program is indicated by the color change of the four button segments Filling increaslingly GREEN Draining decreaslingly GREEN Washing from BLUE back to GREEN Optional Exhaust system active circling BLU
20. re clogged possibly by lime deposit Remove rinse arms and decalcify them in sepa rate container Detergent concentration is too low or too high Check setting of detergent concentration Coarse strainer soiled Take out strainer empty and clean it Fine strainer soiled or obstructed by lime Take out fine strainer If heavily soiled soak in a vinegar solution Then clean it thoroughly until the pores are free Cleaning is to be done daily see operating instructions Wrong program selected for heavily soiled wash ware Select program with longer wash cycle Washware does not dry properly Rinse aid concentration too low Increase concentration see instructions Washware still greasy Detergent concentration too low increase see instructions Check if detergent is appropriate If not choose a stronger one Drain soiled water and refill machine Check pre scrapping procedure Rack is not suitable for type of washware slop ing Use appropriate racks to create a sloping position which allows water to drain away from cavities Washware stays too long in the machine at the end of program Take out washware as soon as cycle is complet ed to enable them to dry BA 21870 001 GB 08 10 2010 27 SCH L TROUBLESHOOTING GUIDE TYPE OF FAILURE POSSIBLE CAUSE REMEDY Stripes and stains on Rinse aid concentra
21. tion too high Reduce quantity see instructions h S 7 PE Hard water or high mineral content Check water quality Obtain details from local water authority Recommended values Ideal degree of hardness is 4 Clark Ideal conductivity value for stainless steel items is max 80 uS cm and for washware max 400 uS cm Rack is not suitable for type of washware slop Use appropriate racks to create a sloping ing position which allows water to drain away from cavities Insufficient rinse aid concentration causes stains Increase quantity see instructions Machines with built in softener wrong type of salt Use only granular regeneration salt used e g tablets 12 2 OTHER MALFUNCTIONS TYPE OF FAILURE POSSIBLE CAUSE REMEDY During operation machine becomes noticeably louder Excessive foaming due to inappropriate detergent or rinse aid Use appropriate detergent and rinse aid Excessive foaming due to use of foaming producing substances albumins etc Thoroughly pre treat washware Machine suddenly stops during wash program Machine is connected to a maximum power supply unit which cuts out the energy consumer at a given point or ma chine is interlocked with another energy consumer unit Blown site fuse Connect machine separately call electrician Check site fuses 28 08 10 2010 BA 21870 001 GB BA 21870 001 GB 08 10 2010 29 HOBART GmbH Robert Bosc
22. upply cord isolat ing switch or accessible plug device NOTE According to EN 60 335 the appliance must be connected to an equipotential conductor The connecting screw X7 is locat ed at the rear of the floor pan beside the cable inlet BA 21870 001 GB 08 10 2010 5 SCH 1 INSTALLATION WATER CONNECTION Must be carried out by an authorized technician according to the national and local codes The machine must be operated with potable water For water with an extremely high mineral content an external deminerali sation is strongly recommended Water temperature e f possible connect to warm water max 60 C e Machines with drainwater exhaust heat recovery If possible connect to cold water approx 10 C Water hardness e Machines without softener max 3 75 Clark 0 5 mmol l e Machines with softener max 37 5 Clark 5 3 mmol l Special feature of PREMAX model UPT e Additional separate warm water connection marked red for quicker filling of wash tank e If the separate filling of the wash tank with warm water cannot be realized on site a HOBART trained service technician must switch to booster filling via parameter adjustment S20 Line flow pressure e Machines without softener 0 5 10 bar e Machines with softener 0 8 10 bar e lf the line flow pressure is above 10 bar provide pressure reducer at source Connect the union nut A
23. ure shocks may occur when the solenoid valve closes This could cause damage at the installa tion If adjusted too far close the required heating power cannot be achieved DRAIN CONNECTION Connection between machine and site drain must not exceed max height of 0 80 m Do not place the drain hose loosely on the floor the hose could be rubbed through Fix it at site Do not kink the drain hose 08 10 2010 7 fb DISPENSER CONNECTION Generally all models leaving the factory are equipped with integrated dispensers When retrofitting with other dispensers please follow the instructions below Attention All below mentioned steps must be carried out by service tech nicians qualified by Hobart Before removing the housing make sure the machine is volt age free Make sure to observe all precautionary measures required when working near live components Tank must be drained Switch off main switch or unplug Remove front panel To connect a liquid detergent dispenser For rinse aid dosage a dosage nipple is available on the top of the booster Connect a hose PVC 6 mm outside x 4 mm inside between outlet of the detergent pump and the detergent inlet A of the wash tank Tighten with hose clamp Install detergent pump or mount externally 08 10 2010 BA 21870 001 GB 2 DISPENSER CONNECTION BA 21870 001 GB To connect a powder or solid detergent dis
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