Hobart LX30 ML-104352 User's Manual
Contents
1. 240 60 1 S LX18H 120 240 3W 60 1 with booster 208 60 3 240 60 3 8 380 400 60 3 20 12 480 60 3 15 14 120 60 1 LX30 208 60 1 LX30C 120 208 3W 60 1 20 12 LX40C 240 60 1 120 240 3W 60 1 LX30C 120 208 3W 60 1 50 8 with booster 120 240 3W 60 1 206 60 1 120 208 3W 60 1 _LX30H 240 60 1 a B with booster 77307340 8W 6071 LX40H 208 60 3 40 8 with booster 240 60 3 35 8 380 400 60 3 480 60 3 a Ke The 3W systems require three power wires which include a current carrying neutral An additional fourth wire must be provided for machine ground 0 Compiled in accordance with the National Electrical Code NFPA 70 latest edition Refer to the data plate on the front of the machine and the label inside the control drawer at the power connection for proper selection Use stranded copper wire only 1 Remove the cover plate at the upper right in the back of the machine Fig 1 A hole for 1 trade size conduit is supplied in the cover plate Ra Cover Plate PL 40805 1 Screws PL 40163 1 Fig 1 Fig 2 2 Open dishwasher door and remove the 2 screws Fig 2 securing the controls drawer Close the dishwasher door and open the controls drawer fully 3 Install 1 trade conduit and fitting to the cover plate A 90 fitting is recommended 4 Feed wires over top of tank to strain relief s at rear of drawer At leas2. LX SERIES DISHWASHER LX SERIES DISHWASHERS MODELS LX18 ML 104349 LX18C ML 104350 LX18H ML 104351 LX30 ML 104352 LX30C ML 104353 LX30H ML 104354 LX40C ML 104355 LX40H ML 104356 CORPORATION 701 S RIDGE AVENUE TROV OHIO 45374 0001 937 332 3000 www hobartcorp com FORM 18615 Rev l July 2000 TABLE OF CONTENTS GENERAL ys tours as ay eg d Solana INSTALLATION osas doped owe ened eee AE Unpacking reie maea ds hte ee OTTEN ti Aha ins ee ee AE ee LEE ura birria VOR a Daae ean cs toe E sis cae cea IKANTA irene 2 75 0 5 i Max 6 57 2 Water Requirements eii ee Pen Pe ne ea aw Bo Ha ee ee eee ad PIGMDING Connections conectamos a a ria DIM as ds EA e a RA RA A d u ta VOLETEN Electrical Connections a E dis SAE ee eee Detergentand RINSES Aid EE ERAS A E Chemical Sanitizer Models LX18C LX30C and LX40C Installation Diagram LX18 LX18C 8 18 Installation Diagram LX30 LX30C 8 1 30 Installation Diagram LX40C 8 LX40H 00 00 00 666 OPERATION 20d a E e A A A A SS eet Sek BeTORes INSU SOS tan
3. DO NOT over soften water recommended water hardness is no less than 4 grains per gallon DO NOT use detergents formulated for residential dishwashers DO NOT allow food soil to accumulate on the tank bottom DO NOT exceed chemical manufacturer s recommended concentrations for detergent sanitizer rinse aid or lime scale remover DO NOT use steel wool to clean ware or warewasher surface DO NOT allow foreign objects to enter the unit especially metallic contaminants NOTE Failure to follow use care and maintenance instructions may void your Hobart warewasher warranty 21 CLEANING ALL MODELS This machine must be cleaned at least once each working day Use only products formulated to be safe on stainless steel 1 Press OFF The machine will drain When the display is no longer lit open the door and remove any debris from the bottom of the tank Do not allow food soil to accumulate on the tank bottom Models LX30 LX30C LX30H LX40C 8 LX40H Only Remove the lower rinse arm by unscrewing the knurled knob Fig 8 Remove the lower wash arm by pulling the arm off the shaft Remove the upper rinse and wash arms inthe same manner Remove the coarse and fine strainers see Figs 5 6 Thoroughly clean these items in a sink Models LX18 LX18C 8 LX18H Only Remove the upper and lower wash arms by unscrewing the knurled knob Fig 8 Remove the coarse and fine strainers see Figs 5 6 Thoroughly clean these items
4. IFICATION DES LST PRO IE MAY BE LOCATED ON 22 15 16 EITHER SIDE OF MACHINE LXAOC 120 60 1 _ RECOMMENDED WATER ii Pooper Gree MIND STRANDED 15 3 20 20 SERVICE ROUGH IN a ine PE MIN w SAUrore U d 1 Wi MIN ANI G COPPER WIRE ONLY VALVE LINE STRAINER 8 3 4 MALE GARDEN LX40C 240 60 1 120 240 3W 60 1 USE 90 C 12 AWG MIN STRANDED 13 9 20 20 HOSE FITTING BY COPPER WIRE ONLV CUSTOMER LX40H 208 60 1 120 208 3 60 1 X USE 90 C 8 AWG MIN STRANDED 43 6 50 50 COPPER WIRE ONLY LX40H 240 60 1 120 240 3W 60 1 7 USE 90 C 8 AWG MIN STRANDED 38 9 50 50 SETEN UME M x THIS SYSTEM REQUIRES THREE POWER WIRES WHICH INCLUDES LX40H SE l mm so 40 A CURRENT CARRYING NEUTRAL EENS FOURTH WIRE USE 90 C 8 AWG MIN STRANDED 0 MUST BE PROVIDED FOR MACHINE GROUND MODELS COPPER WIRE ONLY A L LX40H 240 60 3 S k LX40C LX40H LE AE MIN STRANDED 27 6 35 35 OPTIONAL CORD KIT AVAILABLE FROM HOBART C LX40H ONLY D 329302 COPPER WIRE ONLY REV H LXAOH 480 60 3 USE 90 C 12 AWG MIN STRANDED 13 8 20 20 SHIPPING WETGHTS LX40C LX40H NET WEIGHT OF MACHINE 190 LBS 210 LBS LXAOH 380 400 60 3 Wi Ae e USE 90 C 12 AWG MIN STRANDED bi a 20 20 DOMESTIC SHIPPING WEIGHT 235 LBS 255 LBS COPPER WIRE ONLY E INSTALLATION DIAGRAM LX40C 8 LX40H 329302 11 OPERATION CAUTION Items such as pewter aluminum and silver will be attacked by sodium hypoch
5. LX30H LX30C LX40H 8 LX40C only to make sure they spin freely and are not clogged EA l L Coarse Strainer PL 40091 1 Fine Strainer Model LX30 Model LX30 Fig 5 Fig 6 20 Dishes must be scraped and or rinsed to remove food particles and other debris Never use steel wool on ware to be loaded into the dishwasher Place dishes in a rack Do not stack dishes on top of each other as water must have free access to all sides of every dish Stand plates edgewise in a peg type rack Fig 7 Cups glasses and bowls should lay upside down in an open or compartment type rack Fig 7 Silverware and other small pieces should lay loosely on the bottom of a flat bottom rack See Operator Card supplied for other loading patterns Do not allow foreign objects to enter the unit especially metallic contaminants such as staples paper clips etc Check to see if any detergent rinse aid or sanitizer chemicals need to be replenished Use only commercial type detergents as prescribed by your chemical professional DOs AND DON Ts FOR YOUR NEW HOBART WAREWASHER Fig 7 DO assure proper water hardness DO pre scrap dishes thoroughly DO use only detergents recommended by your chemical professional DO at the end of the day thoroughly cleanse the machine rinse and dry leave door open DO closely follow your chemical professional s prescribed deliming schedule DO use only products formulated to be safe on stainless steel
6. Press OFF Put standpipe assemblies back into the appropriate chemical containers see page 8 Press ON Run four cycles to prime the chemical delivery pumps Press OFF CAUTION Do not allow the deliming agent to remain in the machine longer than recommended by the deliming agent manufacturer 24 DELIMING Models LX40H and LX40C Models LX40H and LX40C are equipped with an automatic delime cycle reminder After the preprogrammed number of cycles has expired the control will indicate the delime request by illuminating DELIME At this point you must either enter a delime cycle or reprogram the number of cycles to terminate the DELIME indication 1 2 Remove rack from machine Close door Make sure machine is in the READY mode READY indicated in the display To selecta delime cycle you must first enterthe operator programming mode Press and hold the HIDDEN key LX40 on the control panel then press WASH When the display indicates while illuminating both DETERGENT and PRIME release HIDDEN key and WASH You are now in the operator programming mode While in the operator programming mode press the DELIME key to initiate a delime cycle The machine will shut off the heat and will drain the water from the machine Display will show PLEAS and WAIT A fill cycle will then be performed After the fill cycle the control will prompt you to add delimer by flashing ADD and CHEM with ADD and DELIME lit
7. Unexpected results on Etching usually caused by any combination of high dishes temperatures soft water soft glass or high alkaline washing solutions Tarnishing avoid washing silver silver plate and pewter in chemical sanitizing machines Pitting stainless steel may pit with lengthy contact of foods containing salt fruit juices vinegar etc Wash immediately Black or gray marks may have been rubbed with aluminum Brown stains may be due to high iron content in water supply Chipping improper loading or ware is too delicate Fading of china patterns usuallv due to high water temperature and strong detergent Check that china is dishwasher compatible Wooden ware damage avoid washing in dishwasher Rust on cast iron seasoning is lost in dishwasher Avoid dishwasher cleaning Plastic ware distortion high temperatures Check plastic ware s instructions Low temperature readings Low water supply temperature make sure it meets the recommended limits Rapid cycle use if incoming water temperature is low and cycle use rate is high the hot water supply may be insufficient to meet the demand Heavy ware load cools wash water do not overload racks Booster heater or sump heater set low set for higher value on LX40H call Hobart Service Technician for LX18H and LX30H Machine won t fill or won t Lowwater pressure check for clogged hose strainer check that fill high enough sit
8. 190 LBS 190 LBS 2 210 LBS DOMESTIC SHIPPING WEIGHT 235 LBS 235 LBS 255 LBS INSTALLATION DIAGRAM LX30 LX30C amp LX30H 329301 10 WARNING REQUIRED FLOWING WATER PRESSURE TO THE DISHMACHINE IS 20 5 PSIG IF PRESSURES HIGHER THAN 25 PSIG ARE PRESENT A PRESSURE REGULATING VALVE MUST BE INSTALLED IN THE WATER LINE TO THE DISHMACHINE BY OTHERS 12 7 8 gt CONNECTION INFORMATION CKAFF ABOVE FINISHED FLOOR LEGEND El ELECTRICAL CONNECTION 1 3 8 DIA HOLE FOR F 12 TRADE SIZE CONDUIT 31 374 AFI IMPORTANT THE SODIUM HYPOCHLORITE LIQUID BLEACH CONTAINER SHOULD BP es e BE PLACED NO HIGHER THAN 10 ABOVE FLOOR 2 1 5716 iu BARDEN ve PUTTING N em Egne Nask o FEMALE IF BLEACH CONTAINER IS TO BE PLACED IN CABINET ADJACENT TO MACHINE Gap EE TS MATER MINA A 1 2 DIA HOLE IS REQUIRED IN THE CABINET TO RUN BLEACH SUPPLY LINE IE U P2 DRAIN CONNECTION 3 4 NPT FITTING WITH USE ONLY 5 2 OR 8 4 SODIUM HYPOCHLORITE LIQUID BLEACH AS SANITIZING G LONG HOSE SUPPLIED WITH MACHINE CHEMICAL TO INSURE PROPER OPERATION OF DISHMACHINE 7 T SE e 5 Atala 5 15 5 16 DO NOT PRE MIX WETTING AGENT AND SODIUM HYPOCHLORITE LIQUID BLEACH 2 2 A WARNING CERTAIN MATERIALS INCLUDING SILVER P
9. 3W 60 1 USE 8 AWG MIN STRANDED COPPER WIRE ONLY 43 6 50 50 LXZOC BSTR 120 240 307 60 1 90 C 8 AWG MIN STRANDED COPPER WIRE ONLY 38 9 698 807 120 208 60 1 AWG MIN STRANDED COPPER WIRE ONLY 43 6 50 50 LX30H 240 60 1 120 240 3W 60 1 X USE 90 C 8 AWG MIN STRANDED 38 9 50 50 22 RECOMMENDED WATER SERVICE ROUGH IN 1 2 TRADE SIZE PIPE_MIN W SHUTOFF LINE STRAINER MALE GARDEN HOSE FITTING BY CUSTOMER THIS SYSTEM REQUIRES THRE A CURRENT CARRYING NEUTRAL POWER WIRES AN ADDITIONAL FOURTH 33 3 4 26 3 4 25 5 16 1 5 18 MIN HOSE CLEARANCE DETE COPTI NAL CHLORINE SANITIZER LX30C ONLY Y CHEMICAL BOTTLES MAY BE LOCATED ON EITHER SI SI WHICH INCLUDES WIRE 16 5 8 DE OF MACHINE MODELS LX30 COPPER WIRE ONLY MUST BE PROVIDED FOR MACHINE G ROUND LX30H 208 60 3 USE 90 C 8 AWG MIN STRANDED COPPER WIRE ONLY 40 40 LX30H 240 60 3 USE_90 C 8 AWG MIN STRANDED COPPER WIRE ONLY LX30H 480 60 5 USE 90 2 AWG MIN STRANDED COPPER WIRE ONLY 35 20 35 20 400 60 3 2 AWG MIN STRANDED COPPER WIRE ONLY 20 20 OPTIONAL CORD KIT AVAILABLE FROM HOBART C LX30H ONLY LX30C LX30H D 329301 REV L SHIPPING WEIGHTS 30 LX30C LX30H NET GHT OF MACHINE
10. ON ch ues KT CONDUCTOR PROTECTIVE les toei EITHER SIDE OF MACHINE RECOMMENDED WATER LX18 LXI8C 120 60 1 SE gt SH USE 90 C 12 AWG MIN STRANDED 3 3 20 20 p TGE ROUGH EN COPPER WIRE ONLY SILE 18 LXI8C 208 60 1 240 60 1 NEE KA 125 1 e e E VALVE LINE STRAINER USE 90 C 14 AWG MIN STRANDED 7 6 1 1 H COPPER WIRE ONCYS S i S amp 3 4 MALE GARDEN LX18H 208 60 1 120 208 34 60 1 X HOSE FITTING BY USE 90 C 8 AWG MIN STRANDED 41 3 50 50 CUSTOMER COPPER WIRE ONLY LX18H 240 60 1 120 240 3W 60 1 X USE 90 C 8 AWG MIN STRANDED 36 8 50 50 COPPER WIRE ONLY X THIS SYSTEM REQUIRES THREE POWER WIRES WHICH INCLUDES 318111 008 80 5 A CURRENT CARRYING NEUTRAL AN ADDITIONAL FOURTH WIRE ELO ROBE at ad fa MUST BE PROVIDED FOR MACHINE GROUND A STRANDED COPPER WIRE ONLY 8 MODELS LX18 OPTIONAL CORD KIT AVAILABLE FROM HOBART LX18H ONLY LX18C LX18H LX18H 240 60 3 D 329300 USE 90 C 8 AWG MIN STRANDED 21 3 30 30 COPPER WIRE ONLY REV J 1 MIN STRANDED 0 7 5 WG MIN E 5 5 gt SING WEIGHTS 7 EE SHIPPING WEIGHTS LX18 LX18C LX18 84 580 10076073 E NET WEIGHT OF MACHINE 190 LBS 190 LBS 210 LBS eee Cane 3 3 8 20 DOMESTIC SHIPPING WEIGHT 235 LBS 235 LBS 255 LBS INSTALLATION DIAGRAM LX18 LX18C 8 LX18H 329300 WARNING REQUIRED FLOWING WATER PRESSURE TO THE DISHMACHINE IS 20 A_ PRESSURE REGULATING LINE TO THE DISHM
11. XAFF ABOVE FINISHED FLOOR END El TRICAL CONNECTION 1 3 8 DIA HOLE FOR RADE SIZE CONDUIT 31 3 4 AFF P1 SINGLE FILL AND RINSE CONNECTION 3 4 FEMALE GARDEN HOSE FITTING ON 6 LONG HOSE SUPPLIED WITH MACHINE 180 F WATER MIN FOR Lx 50 140 F MIN LX 30 8 LX 30H 1 1 2 P2 DRAIN TION 3 4 MPT FITTING WITH 6 LON SUPPLIED WITH MACHINE 3 9 16 WARNING ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH TI OF THE NATIONAL APPLICABLE PORTIONS RICAL_CODE AND OR OTHER LOCAL El L CODES PLUMBING CONNECTIONS MUST COMPLV WITH APPLICABLE SANITARY SAFETY AND PLUMBING CODES DRAIN AND FILL LINE CONFIGURATIONS VARY SOME METHODS ARE SHOWN ON THIS DRAWING 1 8 DRAWER ACCESS 17 MAX LOADING S Lee PIPE MIN TRADE SIZE REDUCED DOWN TO 3 4 CUSTOMER FPT CONNECTION BY HEIGHT RECOMMENDED LESS OR 177 FLOOR LINE MACHINE TYPE amp SPECIFICATION RATED AMPS MIN SUPPLY CKT_ CONDUCTOR AMPACITY MAX PROTECTIVE DEVICE LX30 91 USE 12 AWG MIN STRANDED COPPER WIRE ONLY 120 60 1 12 AWG MIN STRANDED COPPER WIRE ONLY 20 20 20 20 12 AWG Wei MIN STRANDED COPPER WIRE ONLY en amp LX30C 208 60 1 120 208 34 60 1 X 90 20 20 Deg 8 LX30C 240 60 1 120 240 34 60 2075 12 AWG MIN STRANDED COPPER WIRE ONLY 1 20 20 Lac x TR 120 208
12. cycle This preheat could take up to 8 minutes If door is opened during a fill cycle the fill will stop After door is closed the process continues where it stopped If beeper sounds and machine will not fill turn circuit breaker off then on and try again If problem persists contact your local Hobart Service Office When filled ON lit and Machine will maintain a READY state READY displayed Heat is maintained in both booster and or sump 16 Operating Models LX40H amp LX40C Continued DO THIS DISPLAY SHOWS Open door slide rack of dishes into dishwasher Close door Press WASH WASH lit and sump Before you press WASH temperature displayed you can change the cycle during wash cycle selection if desired See READY MODE below RINSE lit and incoming water temperature displayed during rinse cycle When cycle is complete reload machine for next wash rinse cycle or if not in use machine will maintain READY mode At end of day press OFF Display shut down Ready Mode REMARKS Machine initiates a wash and rinse cycle If door is opened during wash cycle cycle will restart from beginning when door is closed If door is opened during drain or rinse cycle cycle will continue at point where door was opened upon closing door If OFF is pressed during the wash rinse cycle the machine will drain and shut down Machine will drain and shut down if the programmed idle shutdown ti
13. go into READY mode To enter the Operator Programming Mode press and hold LX40 on the control panel this is the HIDDEN key then press the WASH key When the display indicates while illuminating both DETERGENT and PRIME release HIDDEN key and WASH You are now in the operator programming mode Press SELECT to cycle through the programming options To exit the programming mode press SELECT until the display shows READY Priming Chemical Pumps After entering the Operator Programming Mode use SELECT to cycle through PRIME RINSE AGENT PRIME SANITIZER and PRIME DETERGENT Press PRIME to start the priming operation The selected pump will run for the programmed time During priming the PRIME and the pump name will be lit PLEAS and WAIT will be displayed When priming is complete the display will stop flashing and will be displayed You can now select another pump DELIME or return to normal operation by pressing the SELECT button After priming a sanitizer pump a rinse cycle will begin automatically Delime Cycle Pressing the DELIME key will begin a DELIME cycle which is explained on page 25 18 MANAGER PROGRAMMING Machine Must Be In READY Mode To enter the Manager Programming Mode you must first enter the Operator Programming Mode by pressing and holding LX40 on the control panel this is the HIDDEN key then pressing WASH Once you are in the Operator Programming Mode press SELECT until PROGRAM is lit Pr
14. on LX40 ensure proper drain rate is allowed from plumbing Turn machine OFF Wait several seconds then turn back ON Repeat this procedure twice if necessary If problem persists contact your local Hobart Service Office Some water occasionally This is normal due to expansion of water being heated in the booster drips out of rinse arms tank LX30 and LX40 models or from the water inlet on the back wall LX18 models when machine is idle H dishwashers only Machine displays E6 on Contact your local Hobart Service Office LX18 and LX30 models or OP J1 on LX40 models Machine drains water This is normal operation on LX18 models if water temperature is after pressing WASH too low see page 14 Machine lights up wrench Contact your local Hobart Service Office and flashes P1 P2 or P3 on LX18 and LX30 models or PROB1 PROB2 or PROB3 on LX40 models Machine displays E7 on 1 Clean water sensors inside tank LX30 model or CLEAN 2 Contact your local Hobart Service Office PROBE on LX40 model SERVICE Contact your local Hobart authorized service office for any repairs or adjustments needed on this equipment FORM 18615 Rev July 2000 28 PRINTED IN U S A
15. sump is empty at the start and end of a cycle Advantages Consistent short cycle time and will not dump manual detergent charge Disadvantage Uses more water True Fill and Dump WASH RINSE CYCLE TIMES Factory Default on LX18 and LX18C Necessary for all installations where detergent is added manually Fill 65 Sec Max 40 Sec Typical Wash 70 Sec Drain 45 Sec Max 22 Sec Typical Fill 65 Sec Max 40 Sec Typical Rinse 15 Sec Drain 45 Sec Max 22 Sec Typical 14 MODELS LX30 LX30C and LX30H WASH RINSE CYCLE TIMES Wash Drain Dwell Rinse Dwell Drains off about 1 gallon of water Wash time is 145 seconds for 70 F rise option 15 85 Sec 10 Sec Max 4 Sec 10 Sec 6 Sec CONTROLS Models LX40H amp LX40C Fig 4 PRIME z CALL SERVICE y wees NORMALI ON OFF ag e M HE HH IDETERGENTI ANITIZER RINSE AGENT DELIME SELECT 4 PRIME DELIME PL 52242 Models LX40H amp LX40C Fig 4 Operating Models LX40H amp LX40C DO THIS DISPLAY SHOWS REMARKS Press ON Two counts of 00000 to Dishwasher performs self check This takes 99999 then model 5 10 seconds number FILL displayed when Dishwasher fills with water detergent is machine is filling added automatically When filled pump turns on for 10 seconds WAIT displayed when If WASH is pressed during a fill cycle a wash booster is preheating cycle will begin at the end of the fill
16. sure there are no obstructions or kinks in the delivery tube Models LX18C and LX30C must be operated through four complete cycles without dishes to initially charge the sanitizer delivery system On model LX40C run the prime cycle see Operator Programming page 18 Frequently check the clear portion of your chemical feed standpipe at your sanitizer bottle to make sure there is a sufficient chemical supply WARNING CONNECTION INFORMATION e A R GKAFF ABOVE FINISHED FLOOR gt REQUIRED FLOWING WATER PRESSURE TO THE DISHMACHINE IS 20 5 PSIG IF PRESSURES HIGHER THAN 25 PSIG ARE PRESENT A PRESSURE REGULATING VALVE LEGEND MUST BE INSTALLED IN THE WATER LINE TO THE DISHMACHINE BY OTHERS El ELECTRICAL CONNECTION 1 3 8 DIA HOLE FOR 1 TRADE SIZE CONDUIT 31 3 4 AFF IMPORTANT THE SODIUM HYPOCHLORITE LIQUID BLEACH CONTAINER SHOULD PI SINGLE FILL AND RINSE CONNECTION 3 4 FEMALE Es e rf GARDEN HOSE FITTING ON 6 BE PLACED NO HIGHER THAN 10 ABOVE FLOOR 5716 SE GE 180E WATER MIN IF BLEACH CONTAINER IS TO BE PLACED IN CABINET ADJACENT TO MACHINE EE MIN A 1 2 DIA HOLE IS REQUIRED IN THE CABINET TO RUN BLEACH SUPPLY LINE APP eg EIR ETA USE ONLY 5 2 OR 8 4 SODIUM HYPOCHLORITE LIQUID BLEACH AS SANITIZING ER WE CHEMICAL TO INSURE PROPER OPERATION OF DISHMACHINE i DO NOT PRE MIX WETTING AGENT
17. the detergent and rinse aid containers which are obtained from an independent supplier in a location where the delivery tubes will reach them Remove the detergent bottle cap and put the red delivery tube in the detergent container Remove the rinse aid bottle cap and place the blue delivery tube in the rinse aid container Be sure to push the delivery tube standpipes completely to the bottom of each container Check to make sure there are no obstructions or kinks in the delivery tubes CHEMICAL SANITIZER Models LX18C LX30C and LX40C Only CAUTION Items such as pewter aluminum and silver will be attacked by sodium hypochlorite bleach Therefore chemical sanitizing dishwashers should not be used to wash such items On models LX18C and LX30C only the chemical sanitizer pump is factory set for use with 5 25 sodium hypochlorite solution If 8 40 sodium hypochlorite solution is to be used contact your local Hobart Service Office Place aone gallon bottle of 5 25 or 8 40 sodium hypochlorite solution bleach in a suitable location no higher than 10 inches off the floor Do not premix sanitizing solution with water or any other liquid WARNING NEVER PREMIX A WETTING AGENT WITH THE SANITIZING SOLUTION MIXING MAY CAUSE HAZARDOUS GAS TO FORM Remove the sanitizer bottle cap and place the white delivery tube in the sanitizer container Be sure to push the delivery tube standpipe completely to the bottom of the container Check to make
18. ACHINE BY OTHERS LIQUID BLEACH CONTAINER SHOULD FLOOR PRESSURES HIGHER THAN 25 PSIG ARE MUST BE INSTALLED IN THE IMPORTANT THE SODIUM HYPOCHLORI BE PLACED NO HIGHER THAN 10 ABOV IF BLEACH CONTAINER IS TO BE A 1 2 DIA HOLE IS REQUIRED IN THE PRESENT 5 PSIG IF VALVE PLACED IN CABINET ADJACENT TO MACHINE CABINET TO RUN BLEACH SUPPLY LINE USE ONLY 5 2 OR 8 4 SODIUM HYPOCHLORITE LIQUID BLEACH AS SANITIZING CHEMICAL TO INSURE PROPER OPERATION OF DISHMACHINE DO NOT PRE MIX WETTING AGENT AND SODIUM HYPOCHLORITE LIQUID BLEACH CERTAIN MATERIALS INCLUDING SILVER PLATE BY SODIUM HYPOCHLORITE LIQUID BLE NOTES 1 ALL VERTICAL MACHINE DIMENSIONS TAKEN FROM FLOOR MAY BE INCREASED BY 1 2 MOIST AIR ESCAPES FROM T USE ONLY MOISTURE RESISTANT PRATE RIALS ADJACENT TO LX SIDES PLUMBING NOTES 1 WATER HAMMER ARRESTOR OR EQUIVALENT TO BE IED UP COMMON WATER SUPPLY L SKE AT SERVICE CONNEC EACH BY OTHERS ALUMINUM AND PEWTER SEE INSTRUCTIONAL ING ASSE 1010 STANDARD N ION MANUAL AND TOP 2 RECOMMENDED WATER HARDNESS TO BE 4 6 GRAINS FOR BEST RESULTS 3 MINIMUM WATER CONDUCTIVITY REQUIRED 30 MICRO MHOS CM La IF DRAIN HOSE IS LOOPED ABOVE A SINK THE LOOP MUST NOT EXCEED 38 AFF TRIM STRIP OPTIONAL ATTACKED 9 MIN CONTROLS 44 CONNECTION INFORMATION
19. AND SODIUM HYPOCHLORITE LIQUID BLEACH 13 3 16 WARNING CERTAIN MATERIALS INCLUDING SILVER PLATE ALUMINUM AND PEWTER ARE ATTACKED 17 3 16 TRIGAL ND GROUNDING CONNECTIONS BY SODIUM HYPOCHLORITE LIQUID BLEACH SEE INSTRUCTION MANUAL l T COMPLY WITH THE APPLICABLE PORTIONS THE NATIONAL ELECTRICAL CODE AND OR OTHER LOCAL ELECTRICAL CODES NOTES CTIONS MUST COMPLV WITH 1 ALL VERTICAL MACHINE DIMENSIONS TAKEN FROM FLOOR MAY BE INCREASED BY 1 NITARV SAFETY AND PLUMBING CODES DRAIN AND FILL LINE CONFIGURATIONS 2 MOIST AIR ESCAPES FROM THE DOOR VARY SOME METHODS ARE SHOWN ON THIS DRAWING USE ONLY MOISTURE RESISTANT MATERIALS ADJACENT TO LX SIDES AND TOP PLUMBING NOTES 1 WATER HAMMER ARRESTOR MEETING ASSE 1010 STANDARD OR EQUIVALENT TO BE SUPPLIED BY OTHERS IN COMMON WATER SUPPLY LINE AT SERVICE CONNECTION 2 RECOMMENDED WATER HARDNESS TO BE 4 6 GRAINS FOR BEST RESULTS 3 MINIMUM WATER CONDUCTIVITY REQUIRED 30 MICRO MHOS CM 44 1 8 EN IF DRAIN HOSE IS LOOPED ABOVE A SINK THE LOOP MUST NOT EXCEED 38 AFF 97 MIN CONTROLS i 1 26 3 4 TRIM STRIP Pa ee teehee A ESS COPTIONAL 25 5 16 4 1 716 Ta a MIN MAX HOSE l 1 2 TRADE SIZE SES TI E 2 gt HEIGHT pzz PIPE MIN REDUCED DOWN TO 3 4 FPT 4 CONNECTION BY MG CUSTOMER CHLORINE e 7 SANITIZER 55 5 4 E LX18C ONLY RECOMMENDED 1 7 0 55 9 J FLOOR LINE y CHEMICAL BOTTLES 3 SA EM EE 5 8 E MIN SUPPLY MAX MAY BE LOCATED
20. ANITIZING MACHINES MIXING MAY CAUSE HAZARDOUS GAS TO FORM THIS ENTIRE PROCEDURE MUST BE FOLLOWED STEP BY STEP FOR SAFE AND SATISFACTORY RESULTS Delime the dishwasher on a regular basis as required The regularity will depend on mineral content of the supply water Deliming should be done when you can see clear signs of lime deposits a white chalky substance on the inside walls and on the wash arms If you have a model LX40 dishwasher it is equipped with an automatic delime cycle reminder It is recommended that deliming be done when DELIME flashes Inspect the machine interior for lime deposits If deliming is necessary a deliming agent such as Lime Away or LSR should be used for best results Depending upon the model of your machine carefully follow the appropriate procedure outlined below DELIMING Models LX18 LX18C amp LX18H 1 Remove standpipe assemblies from chemical containers and place them as close to the floor as possible Place a catch pan under them Cycle the machine four times to clear the lines of chemicals Remove rack from machine Close door eb ge EN Proceed with step 5 only if your machine is programmed for Modified Fill and Dump If your machine is programmed for True Fill and Dump skip step 5 and proceed directly to step 6 If the displayed temperature is 160 F or below 130 F for LX18C models start a cycle and wait for the machine to drain and fill Open the door slowly just after the wash pump
21. ARKS Dishwasher performs selfcheck This takes 5 10 seconds Dishwasher fills with water When filled pump turns on for 10 seconds If door is opened during fill cycle fill will stop After door is closed the process continues where it stopped If WASH is pressed during a fill cycle a wash cvcle will begin at end of fill cvcle If beeper sounds and machine will not fill turn circuit breaker off then on and trv again If problem persists contact your local Hobart Service Office When filled machine will maintain a READY state Heat is maintained in both booster and or sump If your Model LX30 Series is equipped with the optional detergent pump detergent will be added automaticallv during wash cvcle Machine initiates a wash and rinse cvcle If door is opened during wash cvcle cvcle will restart from beginning when door is closed If door is opened during rinse or drain cycle cycle will continue at point where door was opened upon closing door If OFF is pressed during cycle machine will drain and shut down Machine will drain and shut down if the programmed idle shutdown time is reached When OFF key is pressed machine will drain and shut down DIAGNOSTIC MESSAGES In the event of a problem with a temperature probe the display will flash P1 P2 or P3 every 10 seconds The respective heaters will shut down Other functions will continue to operate normally Contact your local Hobart Service
22. LATE ALUMINUM AND PEWTER ARE ATTACKED 1 ELECTRICAL Gum BY SODIUM HYPOCHLORITE LIQUID BLEACH SEE INSTRUCTION MANUAL H MUST COMPLY WITH THE APPLICABLE PORTIONS U OF THE NATIONAL ELECTRICAL CODE AND OR Z OTHER LOCAL ELECTRICAL CODES NOTES i PLUMBING CONNECTIONS MUST COMPLV WITH 1 ALL VERTICAL MACHINE DIMENSIONS TAKEN FROM FLOOR MAY BE INCREASED BY 1 H elek APPLICABLE SANITARY PLUMBING H CODES DRAIN AND FILL LINE CONFIGURATIONS 2 MOIST AIR ESCAPES FROM THE DOOR H VARY SOME METHODS ARE SHOWN ON THIS DRAWING USE ONLY MOISTURE RESISTANT MATERIALS ADJACENT TO LX SIDES AND TOP b 1 PLUMBING NOTES H HIN 1 WATER HAMMER ARRESTOR MEETING ASSE 1010 STANDARD OR EQUIVALENT TO BE SUPPLIED BY OTHERS IN COMMON WATER SUPPLY LINE AT SERVICE CONNECTION fi g 9 MIN 44 1 8 2 RECOMMENDED WATER HARDNESS TO BE 4 6 GRAINS FOR BEST RESULTS CONTROLS 26 5 4 DRAWER 3 MINIMUM WATER CONDUCTIVITY REQUIRED 30 MICRO MHOS CM ACCESS 25 5 16 gt 1 5 16 DRAIN HOSE IS LOOPED ABOVE A SINK THE LOOP MUST NOT EXCEED 38 AFF 25 15 16 gt j NEE TRIM STRIP CLEARANCE OPTIONAL 17 RINSE AGENT OPTIONAL MAX LOADING SHT 1 1 2 TRADE SIZE uate DETERGENT PIPE MIN REDUCED Mi DOWN TO 3 4 FPT CONNECTION BY CUSTOMER CHLORINE SANITIZER 55 5 4 LX40C ONLY RECOMMENDED 17 OR LESS 9 FLOOR LINE MIN SUPPLY MAX CHEMICAL BOTTLES 3 1 8 5 8 MACHINE TYPE amp RATED il SPE
23. Office Drain and fill error messages are displayed as EO E2 E3 54 E5 E6 or E7 In all cases the dishwasher will terminate current cycle operations turn off all heat sources and display the message until the OFF button is pressed A power drain will not occur when turned off See Troubleshooting pages 26 28 If problem persists contact your local Hobart Service Office MODELS LX18 LX18C LX18H Models LX18 LX18C and LX18H can be programmed by Hobart Service as either True Fill and Dump or Modified Fill and Dump Modified Fill and Dump When programmed for Modified Fill and Dump water in the sump from a previous cycle is dumped and refilled only if itis below a preset temperature Advantages Low water usage if cycled frequently and short cycle time if cycled frequently Disadvantages Higher water usage if cycled infrequently and longer cycle time if cycled infrequently Modified Fill and Dump WASH RINSE CYCLE TIMES Factory Default on LX18H Drain 45 Sec Max 22 Sec Typical Fill 65 Sec Max 40 Sec Typical Wash 115 140 Sec Drain 45 Sec Max 22 Sec Typical Fill 65 Sec Max 40 Sec Typical Rinse 15 Sec Drain and Fill only if the sump water temperature is below 160 F in LX18 or LX18H machines or 130 F in LX18C chemical sanitizing machines The slower cycle will also have a 140 second wash instead of the 115 second wash True Fill and Dump When programmed for True Fill and Dump the
24. Open the door and add deliming agent carefully follow supplier s instructions The sump holds approximately 3 gallons of water After delimer has been added close the door The control will flash PRESS DELIM Press the DELIME key again to continue the cycle The machine will enter the wash mode for 5 minutes then will begin two rinse and drain operations The DELIME symbol will be lit and PLEAS and WAIT will show in the display DO NOT interrupt the cycle Should the process be interrupted restart delime procedure from the beginning Afterthe deliming operationis completed the DELIME and ON indicators will automatically turn off and power to the control will be turned off Inspect the interior of the machine for lime deposits If necessary turn the machine ON and repeat steps 2 through 8 CAUTION Do not allow deliming agent to remain in the machine longer than recommended by the deliming agent manufacturer LUBRICATION The pump motor has permanently sealed bearings and requires no lubrication 25 TROUBLESHOOTING This section outlines various symptoms and possible causes that may be encountered in the event of abnormal machine operation If symptoms persist after possible causes have been checked service may be required SYMPTOM POSSIBLE CAUSES No machine operation Machine OFF turn machine ON No display Blown fuse or circuit breaker off at power supply Cord not plugged in corded models only No mach
25. a od Se a Sanaa eae Bs Controls Models LX18 LX18C LX18H LX30 LX30C and LX30H Operating Models LX18 LX18C LX18H LX30 LX30C and LX30H Diagnostic Messages wo fade Ef ee kk he oe bE ee Eade Oh 88 8 8 9 gales Models LX18 LX18C SLASH AEN pene ee nea see a 09 aes ee Modified Fill and Dump ege o do ee ene Modified Fill and Dump Wash Rinse Cycle mes True Fill and DUMP iii ei a ai iea eaaa Ee ee Meat eee dr bea A True Fill and Dump Wash Rinse Cycle Tmes 0000 e eee eee Models LX30 LX30C and LX30H Wash Rinse Cycle Times Controls Models LX40H 8 LX40C ooooococooccocooc ees Operating Models LX40H 8 LX40C 0ooocccccccc eee Ready Mode oir e li g and a de eee ra a Diagnosnc Oe EA o ti Ne Models LX40H 8 LX40C Wash Rinse Cycle mes Operator Programming rra is ed te SEN Priming Chemical PUMPS 5 8 8 8 EEN BEE A a o AE 4 Delime Cycle serge AA RR ER ara EE EE Manager Programming uv Z fe bees Eege EN deta EEN ei ia Programmable Variables and Recommended Settings Models LX40H 8 LX40C Preparation All Models casitas o eege Die e TO tata f DOs and DON Ts For Your New Hobart Warewaesher eee eee Cleaning All Models ia cia A SENA AE d MAINFENANGES0 cursan Adu ta te o da a ed e AB na Ab rat a Kun Deli
26. bout local water specifics prior to installation Recommended water hardness is 4 6 grains of hardness per gallon Chlorides must not exceed 50 parts per million Water hardness above 6 grains per gallon should be treated by a water conditioner water softener or in line treatment Water hardness below 4 grains per gallon also requires water treatment to reduce potential corrosion Water treatment has been shown to reduce costs associated with machine cleaning reduce deliming of the dishwasher reduce detergent usage and reduce corrosion of metallic surfaces in the booster water heater and dishwasher Sediment silica chlorides or other dissolved solids may lead to a recommendation for particulate filtration or reverse osmosis treatment If aninspection of the dishwasher or booster heater reveals lime build up after the equipment has been in service in line treatment should be considered and if recommended should be installed and used as directed Contact your local Hobart Service Office for specific recommendations PLUMBING CONNECTIONS WARNING PLUMBING CONNECTIONS MUST COMPLY WITH APPLICABLE SANITARY SAFETY AND PLUMBING CODES Drain A drain hose is provided with a a pipe connection adapter This should be securely plumbed into the sink drain Use care not to kink hose See installation diagrams in this manual Drain must have a minimum flow capacity of 10 gallons per minute Water Supply A water hammer arrestor meeti
27. e water pressure meets minimum flow pressures Make sure probes are clean see Cleaning page 22 No water pressure main water supply valves may not be LX18 LX30 display shows working 0 E2 E3 or E4 Drain valve open turn machine OFF to drain machine then LX40 display shows ON Repeat twice this assists in clearing any drain valve DR1 PRBLM FILL1 obstructions Wait for machine to reach READY mode and PRBLM FILL2 PRBLM press WASH Slowly open door several seconds later and note or FILL3 PRBLM water level Close door 30 seconds later open door slowly and Machine will not run check that water level is the same as it was If not repeat the OFF ON procedure If problem persists call your local Hobart Service Office 5 Delime machine Dishwasher makes noises Drain valve this is normal the drain valve operates several times after it drains when it is to ensure it remains clear of obstructions turned off 27 SYMPTOM POSSIBLE CAUSES Machine fills too high or Machine not level see LEVELING in this manual leaks from door 2 Fill solenoid valve leaking turn the dishwasher OFF if water continues to come in through the rear fill air gap on LX18 Machine won t drain models or rinse arms of LX30 and LX40 models call your local Display shows E5 on Hobart Service Office LX18 and LX30 models Drain pipes restricted check dishwasher drain line for kinks or PRBLM DR2
28. ess and hold the HIDDEN key then press WASH again to enter the Manager Programming Mode The possible options to edit are listed in the following table Use SELECT to move through each parameter When the parameter you wish to reprogram is displayed use UP ARROW to change the value After the correct value is displayed press SELECT to lock in the displayed value and to move to the next programming option The programming range of values for each parameter is shown in the table under Programmable Variables and Recommended Settings Models LX40H 8 LX40C page 20 PARAMETER DISPLAY SHOWS Sump temperature PROGRAM with the display alternating between SUMP and the programmed temperature Booster temperature H model only PROGRAM with the display alternating between BOOST and the programmed temperature PROGRAM and the F or C prompt PROGRAM DETERGENT and programmed time PROGRAM RINSE AGENT and programmed ratio Sanitizer pump ratio C Model only PROGRAM SANITIZER and programmed ratio PROGRAM and LOCK or UNLK Default cycle selection Default means cycle PROGRAM current default cycle indicator and the selected upon power up DEFLT prompt Automatic delime reminder PROGRAM DELIME and programmed number of cycles PROGRAM PRIME and DETERGENT lit with the programmed time displayed PROGRAM PRIME and RINSE AGENT lit with the programmed time displayed PROGRAM PRIME and SANITIZER lit with programmed time dis
29. in a sink 4 Knurled Knob PL 40093 1 Water Level Probes PL 40094 1 Model LX30 Model LX30 Fig 8 Fig 9 With a damp cloth wipe the interior of the machine the water level probes Fig 9 and the water level probe under the fine strainer DO NOT use steel wool Wipe the exterior of the machine When cleaning the inside of the door be sure to wipe the lip at the bottom of the door Remove any remaining debris with a mild cleanser formulated for stainless steel and a soft cloth or brush Models LX30 LX30C LX30H LX40C 8 LX40H Only Replace the coarse and fine strainers Reinstall the lower wash arm by pushing it down on the shaft then place the lower rinse arm on the shaft and tighten the knurled knob Spin arms to make sure they spin freelv Repeat this procedure with the upper wash and rinse arms Models LX18 LX18C amp LX18H Only Replace the coarse and fine strainers Reinstall the upper and lower wash arms and tighten the knurled knob Spin arms to make sure they spin freely Use a soft damp cloth or sponge and mild cleanser to clean the control keypad and display DO NOT use abrasive or harsh cleaners or scouring pads Leave the door ajar overnight to allow the interior to air out and dry 22 MAINTENANCE DELIMING GENERAL WARNING DELIMING SOLUTION RINSE AGENTS OR ANY OTHER KIND OF ACID MUST NOT COME IN CONTACT WITH BLEACH OR RINSE SOLUTION CONTAINING BLEACH USED IN CHEMICAL S
30. ine operation Display dr oP or door open on LX40 Series open and With display close door If problem persists contact your local Hobart Service Office See MACHINE WON T FILL Dishes not clean Strainers clogged causing inadequate water supply to pump clean per instructions in CLEANING section Obstruction in wash arm s or wash arms won t turn clean per instructions in CLEANING section Rinse arms Models LX30 amp LX40 only won t turn check that they spin Detergent dispenser may be clogged Soil quantity scrape dishes before cycle Improper rack loading see PREPARATION in this manual Low water check water pressure Water temperature too low note wash temperature on display during WASH should be above 120 F for chemical sanitizing machines and above 150 F for other machines Incoming water supply turned off Arm plugs missing Spotting of silverware Improperly loaded racks glasses or dishes Water temperature too low Improper type or concentration of detergent contact your local detergent representative Hard water install a water softener use a rinse agent Insufficient fill check water pressure Chemicals not feeding Low on chemicals check levels Air leak at feeder hose connections check for snugness Tubes kinked check for smooth bends Food soils remain in Follow daily cleaning instructions dishwasher 26 SYMPTOM POSSIBLE CAUSES
31. lorite bleach Therefore chemical sanitizing dishwashers should not be used to wash such items If your dishwasher is a chemical sanitizing model frequently check the clear portion of your chemical feed standpipe at your sanitizer bottle to make sure there is a sufficient chemical supply BEFORE FIRST USE This machine must be cleaned after installation and before being putinto operation Referto Cleaning page 22 CONTROLS Models LX18 LX18C LX18H LX30 LX30C 8 LX30H Fig 3 OFF PL 51113 Model LX18 LX18C 8 LX18H DELIME DI D FILL SET WASH PL 51118 Model LX30 LX30C 8 LX30H Fig 3 12 Operating Models LX18 LX18C LX18H LX30 LX30C and LX30H Dishwashers DO THIS DISPLAY SHOWS Open door slide rack of dishes into dishwasher and add detergent Close door Press WASH When cvcle is complete reload machine for next wash rinse cycle or if notin use machine will maintain READV mode Model number FILL lit and sump temperature displaved when machine is filling FILL flashes when booster is preheating on models LX18H and LX30H This preheat could take up to 8 minutes When filled sump temperature is displaved Sump temperature WASH lit sump tempera ture displaved during wash cvcle RINSE lit rinse tempera ture displaved during rinse cvcle Sump temperature At end of day press OFF Display shut down 13 REM
32. me is reached When OFF is pressed machine will drain and shut down When the dishwasher is in the READY mode a cycle is not running the selected cycle LIGHT NORMAL HEAVY is illuminated If the cycle selection is not locked you can change the selection by pressing CYCLE until the desired cycle is lit If cycle selection is locked there will be no response when CYCLE is pressed 17 DIAGNOSTIC MESSAGES In the event of a problem with a temperature probe the display will flash PROBE and CALL SERVICE will be lit The respective heaters will shut down Other functions will continue to operate normally Contact your local Hobart Service Office Drain and fill error messages are displayed as PRBLM DR1 PRBLM FILL1 PRBLM FILL2 PRBLM FILL3 PRBLM DR2 or OP J1 In all cases the dishwasher will terminate current cycle operations turn off all heat sources and display the message until the OFF button is pressed A power drain will not occur when turned off See TROUBLESHOOTING in this manual If problem persists contact your local Hobart Service Office MODELS LX40H 8 LX40C WASH RINSE CYCLE TIMES Cycle Wash Drain Dwell Rinse Dwell Light 55 Sec 10 Sec Max 4 Sec 10 Sec 6 Sec Normal 85 Sec 10 Sec Max 4 Sec 10 Sec 6 Sec Heavy 145 Sec 10 Sec Max 4 Sec 10 Sec 6 Sec Heavy cycle can be adjusted see MANAGER PROGRAMMING OPERATOR PROGRAMMING If machine is off turn it ON and wait for the machine to
33. ming General sic 9 6 5 4 58 29 A ri ia ve gene i 2 8 eb Bi nd bbe Rees Deliming Models LX18 LX18C 8 18 Deliming Models LX30 LX30C 8 30 Deliming Models LX40H 8 Lan Lubri atiotii s siti ba i fa b eh geared EE TROUBLESHOOTING EE 6 HOBART CORPORATION 1993 Installation Operation and Care of LX SERIES DISHWASHERS SAVE THESE INSTRUCTIONS GENERAL The LX Series dishwashers are fully automatic front loading dishwashing machines which are equipped with a a horsepower electric motor All LX Series dishwashers shut down automatically four hours after last use to conserve energy Standard equipment includes two 20 x 20 racks electronic controls pumped drain fill hose and drain hose MODEL DESCRIPTION LX18H Washes with water from previous rinse cvcle drains and fills again with fresh water for the rinse cvcle Rinse is retained for the next wash cvcle The LX18H has a built in booster heater Model LX30 Dishwasher LX18 LX18C Fill and drain cvcle fills washes drains fills rinses and drains again to end the cvcle e LX18 requires 180 F incoming water temperature e LX18C is a low temperature chemical sanitizing machine for use with 5 25 or 8 40 sodium hypochlorite solution bleach as the sanitizing agent LX30 Fresh water rinse requires 180 F incoming water temperature LX30H LX40H Fresh water
34. ng ASSE 1010 Standard or equivalent should be installed supplied by others in the common water supply line at the service connection Water must be proper hardness Recommended hardness range is 4 6 grains per gallon Lower hardness can promote corrosion higher hardness may cause excessive formation of lime scale The plumber who connects this machine is responsible for making certain that water lines are THOROUGHLY FLUSHED OUT BEFORE connecting to the dishwasher This flush out is necessary to remove all foreign matter such as chips resulting from cutting or threading of pipes pipe joint compound from the lines or if soldered fittings are used bits of solder or cuttings from the tubing Debris if not removed may lodge in the dishwasher s plumbing components and render them inoperative Manual valves or solenoid valves fouled by foreign matter and any expenses resulting from this fouling are NOT the responsibility of the manufacturer Water supply requirements are as follows MODEL TEMPERATURE FLOWING PRESSURE LX18 LX30 180 F Minimum 15 to 25 psig LX18H LX30H LX40H 140 F Minimum 15 to 25 psig LX18C LX30C LX40C 140 F Minimum 15 to 25 psig LX30C w booster 100 F Minimum 15 to 25 psig If flowing pressure exceeds 25 psig a pressure reducing valve not supplied must be installed in the supply line CAUTION The water pressure regulator must have a relief by pass Failure to use the proper type of pressure regulator may re
35. played Heavy wash cycle wash time PROGRAM WASH and programmed time PROGRAM RINSE and programmed time NORM or EXTEN PROGRAM with display alternating between SHDN and the programmed shutdown time in hours To exit the manager programming mode do one of the following 1 Press OFF machine shuts down but does not drain 2 Press SELECT until the display shows READY 3 Press and hold the HIDDEN key then press WASH 19 PROGRAMMABLE VARIABLES AND RECOMMENDED SETTINGS MODELS LX40H amp LX40C The following functions ofthe dishwasher are programmable The chart below shows the variables that may be programmed for each function and the recommended setting for each RECOMMENDED FUNCTION PROGRAMMABLE VARIABLES SETTING Wash Setpoint Booster Setpoint Temperature Display Mode Sanitizer Duty Cycle LX40C Onl Detergent On Time Rinse Agent Duty Cycle OFF 1 10 In steps of 1 10 100 Idle Shutdown Time 1 6 Hours In steps of 1 Delime Counter Preset 1500 Cycles Detergent Prime Time 35 Seconds 35 Seconds Sanitizer Prime Time 35 Seconds Heavy Wash Time Heavy Rinse Time Normal Disabled if OFF is programmed Factory Setting is 1500 Cycles Not available if pump is turned OFF Determined by water condition PREPARATION ALL MODELS Make sure the coarse Fig 5 and fine Fig 6 strainers are in place and free of debris Check both wash arms all models and rinse arms models LX30
36. r To install the trim strip remove the protective paper from the pressure sensitive adhesive strip Carefully align trim strip with front edge and both sides of top cover and secure in place by firmly pressing trim strip down against top cover LOCATION Steam generated from normal operation may escape from the door Wood laminates veneers etc are unsuitable materials for use in areas exposed to dishwasher steam and detergents Stainless steel or other moisture resistant shields are recommended for surfaces adjacent to LX sides and top LEVELING The machine must be level to operate properly Place the dishwasher in its operating location Level the machine before any connections are made Using acarpenter s level placed diagonally on the rack tracks level the machine front to back and side to side by threading the adjustable feet in or out After leveling the machine cover the exposed threads of the adjustable feet with black rubber tubing supplied see separate instructions furnished with machine WATER REQUIREMENTS Proper water quality can improve ware washing performance by reducing spotting lowering chemical supply costs enhancing effectiveness of labor and extending equipment life Local water conditions vary from one location to another The recommended proper water treatment for effective and efficient use of this equipment will also vary depending on the local water conditions Ask your municipal water supplier for details a
37. rinse with a built in booster heater Normally the machine requires 140 F incoming water and is heated in the booster to 180 F however in the LX40H a 70 F rise in temperature is available by using the standard heavy cycle This allows an incoming water temperature of 110 F In the LX30H a 70 F rise is also possible contact your local Hobart Service Office LX30C LX40C Fresh water rinse low temperature chemical sanitizing models for use with 5 25 or 8 40 sodium hypochlorite solution bleach as the sanitizing agent LX30C equipped with electric booster water heater has 100 F minimum water supply heated to 140 F with bleach as the sanitizing agent Water usage for the LX18 models is 2 6 gallons per rack 5 2 gallons per rack if the sump water temperature cools between cycles water usage for the LX30 and the LX40 models is 1 2 gallons per rack The machine uses 2 2 gallons per rack for the extended rinse cycle available on LX40 models in the heavy wash cycle only INSTALLATION UNPACKING Immediately after unpacking the dishwasher check for possible shipping damage If this machine is found to be damaged save packaging material and contact the carrier within 15 days of delivery Prior to installation verify that the electrical supply agrees with the specifications on the machine data plate TRIM STRIP ACCESSORY KIT Optional If you ordered the trim strip accessory kit it must be installed prior to positioning the dishwashe
38. starts If the displayed temperature is above 160 F 130 F on LX18C start a cycle Open the door slowly just after the wash pump starts 6 Add deliming agent carefully follow supplier s instructions The sump holds approximately 3 gallons of water 7 Close door Machine will complete the wash rinse cycle 8 Inspect interior of machine for lime deposits Repeat steps 4 through 8 if necessary 9 Press ON Run two cycles to purge the system of deliming agent Press OFF 10 Put standpipe assemblies back into the appropriate chemical containers see page 8 11 Press ON Run four cycles to prime the chemical delivery pumps 12 Press OFF CAUTION Do not allow the deliming agent to remain in the machine longer than recommended by the deliming agent manufacturer 23 DELIMING Models LX30 LX30C 8 LX30H 1 10 11 Remove standpipe assemblies from chemical containers and place them as close to the floor as possible Place a catch pan under them Cycle the machine four times to clear the lines of chemicals Remove rack from machine Add deliming agent carefully follow supplier s instructions The sump holds approximately 3 gallons of water Close door Press WASH and allow machine to complete the wash rinse cycle Press OFF Inspect the interior of the machine for lime deposits If necessary press ON to fill machine and repeat steps 4 through 7 Press ON Run two cycles to purge the system of deliming agent
39. sult in damage to the unit If flowing pressure is less than 15 psig improper machine operation may result A manual shutoff valve not supplied should be installed upstream of the fill hose to accommodate servicing the machine It is recommended that a line strainer not supplied be installed in the supply line between the manual shutoff valve not supplied and the connection pointonthe machine Make plumbing connections with a minimum copper piping OD a recommended with a a male garden hose fitting not supplied See installation diagrams pages 9 11 NOTE Iron in the water supply can cause staining An iron filter is recommended for iron concentration greater than 0 1 part per million High chloride levels in the water supply can cause pitting A chloride removal system is required if levels exceed 50 parts per million a5 ELECTRICAL CONNECTION WARNING ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE PORTIONS OF THE NATIONAL ELECTRICAL CODE AND OR OTHER LOCAL ELECTRICAL CODES WARNING DISCONNECT ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH TO INDICATE THAT YOU ARE WORKING ON THE CIRCUIT ELECTRICAL DATA 0 Minimum Circuit Ampaci Model Volts Hertz Phase Maximum Protective ica SES Eo GES AMPS 120 60 1 208 60 1 LX18C 540 6071 15 14 208 60 1 120 208 3W 60 1
40. t 32 and not more than 36 of the required wire size must extend from the end of the conduit fitting 5 Reinstall the cover plate 3 screws Fig 1 6 For8 AWG wire run no more than 2 wires through any strain relief two strain reliefs are provided Make electrical connections per the wiring diagram supplied with the machine and secure wires to power terminal block and ground For 12 or 14 AWG wire run 3 wires or 4 wires if required through the strain relief provided by Hobart Make electrical connections per the wiring diagram supplied with the machine Secure wires to the power terminal block and ground Keep excess wire in the drawer to a minimum 7 Tighten the set screw on the strain relief s until they bottom out on the shoulder of the body 8 Close the control drawer and replace the screws DETERGENT AND RINSE AID If manually adding detergent in an LX18 LX18C or LX18H at the beginning of each cycle the machine must be programmed to the True Fill and Dump mode This will ensure detergent is not dumped before filling with fresh hot water Contact your local Hobart Service Office to arrange for conversion Use only commercial grade detergents recommended by your chemical professional Do not use detergents formulated for residential dishwashers On LX18 and LX30 models only the detergent and rinse aid pump ON times are factory set If adjustments are required contact your local Hobart Service Office Place
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