Hobart LXiC ML-130016 Dishwasher User Manual
Contents
1. 14 EE EEE 15 Do s and Don ts For Your New Hobart Dishwasher shine 16 EN s ace 17 Priming Chemical PUMPS 18 mnsa a us usa ama Susu 19 19 19 TROUBLESHOOTING uuu E 20 Installation Operation and Care of LXi SERIES DISHWASHERS SAVE THESE INSTRUCTIONS GENERAL The LXi Series dishwashers are fully automatic front loading dishwashing machines that are capable of 30 racks per hour All LXi Series dishwashers shut down automatically 4 hours after last use to conserve energy All LXiH and LXiGH dishwashers include Sense A Temp to insure proper hot water temperature during rinse Standard equipment includes two 20 x 20 racks electronic controls drain pump fill hose and drain hose MODEL DESCRIPTION LXiC Fresh water rinse low temperature chemical sanitizing models for use with 6 sodium hypochlorite solution bleach as the sanitizing agent Note If 8 40 bleach is to be used contact Hobart Service to change the sanitizer pump settings Charges will2. LXi SERIES DISHWASHER LXi SERIES DISHWASHER MODELS LXiC ML 130016 LXiH ML 130017 LXiGC ML 130018 LXIGH ML 130019 701 S RIDGE AVENUE TROY OHIO 45374 0001 937 332 3000 www hobartcorp com FORM 34779 Rev Sept 2005 HOBART CORPORATION 2003 TABLE OF CONTENTS GENERAL uu su re ee eee eee eee 4 aaa asyay a 5 5 Locati fii 5 Leveling ten 5 Water Requirements Pl mbi g OTIS ss l Lun ea a du 6 Electrical Connection was 7 Elecirical Data EEE 7 Deterge t and Rinse Sd emma 8 Operator Programming MOT RNA note nie 9 Chemical Sanitizer LXiC and LG Re 12 OP RATION 12 12 COMTO su s uu suu ee 12 Operating the LXi Dishwasher u 13 Diagnostie MESSE 14 Wash Rinse Cycle Times LXi 14 Wash Rinse Cycle Times LXiG
3. EXTRA COST CONSULT FACTORY FOR PRICING AND LEAD TIME LXIGH 208 240 60 3 aoe 35 PLUMBING CONNECTIONS MUST COMPLY WITH 4807601 115 20 APPLICABLE SANITARY SAFETY AND PLUMBING 220 240 50 1 38 1 50 CODES DRAIN AND FILL LINE CONFIGURATIONS 380 400 60 3 174 25 SOME METHODS ARE SHOWN THIS DRAWING INSTALLATION DIAGRAM LXiGC amp LXiGH 11 CHEMICAL SANITIZER LXiC AND LXiGC 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 model LXiC only the chemical sanitizer pump is factory set for use with 6 sodium hypochlorite solution If 8 40 sodium hypochlorite solution is to be used contact your local Hobart Service Office Place a 1 gallon bottle of 6 or 8 40 sodium hypochlorite solution bleach in a suitable location no higher than 10 inches off the floor Do not pre mix 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 sure there are no obstructions or kinks in the delivery tube The LXi Series Dishwasher has an auto prime cycle See Operating the LXi
4. WATER LEVEL PROBES Fig 11 Fig 12 4 Replace the coarse and fine strainers Reinstall the lower wash arm by pushing it down on the shaft and then place the lower rinse arm on the shaft and securely tighten the thumb nut Spin arms to make sure they spin freely Repeat this procedure with the upper wash and rinse arms 5 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 6 Leave the door ajar overnight to allow the interior to air out and dry 247 PRIMING CHEMICAL PUMPS When a chemicalbecomes empty the priming operation starts automatically the nexttime the machine is turned on or a wash cycle is started This feature is only supported on machines with the chemical sense board installed and where CHEMICAL SENSING is enabled Note that the initial prime time for all pumps Detergent Rinse Agent and Sanitizer is 60 seconds during which time the chemical icon will flash If the chemical is not sensed within 60 seconds the chemical icon will remain lit and the control will beep for about 5 seconds After the chemical is sensed the indicator in the display turns off and the pump continues to prime for 20 seconds to allow the chemicals to reach the machine If all chemicals are empty the sanitizer will prime first followed by detergent Only one chemical pump will run at a time If chemicals are not sensed after three consecutive priming
5. __1 __ 12 1 5 1 i 13 3 16 17 316 38 13 16 9 MIN CONTROLS 26 3 4 DRAWER ACCESS 1 25 5 16 1 5 16 MIN CLEARANCE MAX LOADING HEIGHT 7 RINSE AID Va DETERGENT CHLORINE z oS SANITIZER LXiGC ONLY 14 3 8 SAE 3 7 8 H d 15 5 8 CHEMICAL BOTTLES MAY BE LOCATED ON ROUGH IN 1 2 TRADE SIZE PIPE lt 22 13 16 EITHER SIDE OF MACHINE MIN W SHUTOFF VALVE LINE STRAINER amp 3 4 MALE GARDEN HOSE FITTING BY CUSTOMER THIS SYSTEM REQUIRES THREE POWER WIRES WHICH INCLUDES MIN SUPPLY MAX A CURRENT CARRYING NEUTRAL AN ADDITIONAL FOURTH WIRE S RATED CKT CONDUCT PROTECTIVE MUST BE PROVIDED FOR MACHINE GROUND SPECIFICATION AMPS MPACIY DEVICES ACCESSORY CORD KITS AVAILABLE FOR ALL MACHINES LXIGC 120 60 1 USE 90 C STRANDED 15 4 20 20 he 7 SHIPPING WEIGHTS LBS LXiGC LxiGH iGC 120 208 240 3W 60 1 206 240 660 WEIGHT MACHINE 194 Ibs 214 Ibs USE 90 C STRANDED 13 6 20 20 DOMESTIC SHIPPING WEIGHT 239 Ibs 259 Ibs COPPER WIRE ONLY LXIGH 120 208 240 3W 60 1 208 240 60 1 WARNING USE 90 C STRANDED ELECTRICAL AND GROUNDING CONNECTIONS COPPER WIRE ONLY 37 7 50 50 MUST COMPLY WITH THE APPLICABLE PORTIONS ELECTRICAL OPTIONS BELOW ARE NON STANDARD VOLTAGES AVAILABLE
6. F WATER MIN FOR LXiC 110 F WATER MIN FOR LXiH 1 1 2 AFF P2 DRAIN CONNECTION 3 4 MPT FITTING WITH 6 LONG HOSE SUPPLIED WITH MACHINE 3 9 16 AFF 12 7 8 1 5 16 i 2 13 3 16 17 3716 P2 2 7 9 MIN 9 MIN 44 1 8 CONTROLS DRAWER 26 34 55 25 516 1 5 16 MIN HOSE nx al CLEARANCE LOADING OPTIONAL CHLORINE SANITIZER LXiC ONLY 3 7 8 16 5 8 CHEMICAL BOTTLES 9 16 MAY BE LOCATED ON L_ 99 13 16 EITHER SIDE OF MACHINE RECOMMENDED WATER SERVICE ROUGH IN 1 2 TRADE SIZE PIPE MIN W SHUTOFF VALVE LINE STRAINER amp 3 4 MALE GARDEN HOSE FITTING BY CUSTOMER THIS SYSTEM REQUIRES THREE POWER WIRES WHICH INCLUDES MIN SUPPLY MAX A CURRENT CARRYING NEUTRAL AN ADDITIONAL FOURTH WIRE TIPE RATED cKT CONDUCT PROTECTIVE MUST BE PROVIDED FOR MACHINE GROUND SPECIFICATION 5 AMPAGITY DEVICES ACCESSORY CORD KITS AVAILABLE FOR ALL MACHINES LXiC 120 60 1 USE 90 C STRANDED 15 4 20 20 SHIPPING WEIGHTS LBS Lxic LxiH a WEIGHT OF MACHINE 190 Ibs 210 Ibs USE 90 C STRANDED 13 6 20 20 DOMESTIC SHIPPING WEIGHT 235 Ibs 255 Ibs COPPER WIRE ONLY LXiH 120 208 240 3W 60 1 LXiH 208 240 60 1 WA
7. 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 contact your local Hobart Service Office Machine will not fill or will not Low water pressure check for clogged hose strainer ensure fill high enough the site water pressure meets minimum flow pressures Display shows EO E2 Make sure probes are clean See Cleaning E3 or E4 Machine will not No water pressure main water supply valves may not be run working Anti siphon valve located in the lower left area of the chamber just above the water line Drain the machine and insert toothpick or similar object into hole to verify ball 16 OD is free to float Delime machine 21 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 Display shows CL Pr continues to come in contact your local Hobart Service Office Clean water level probes See Cleaning Machine will not drain Drain pipes restricted check dishwasher drain line for kinks Display shows E5 ensure prop
8. 60 1 LXiC LXIGC 208 240 60 1 0 20 120 208 240 3W 60 1 208 240 60 1 0 50 120 208 240 3W 60 1 The 3W systems require three power wires that include current carrying neutral additional fourth wire must be provided for machine ground 2 5 LXiH 208200609 2 Refer to the data plate on the door handle the machine and the labelinside the control drawer at the power connection for proper selection Use stranded copper wire suitable for at least 90 C Connection Method 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 COVER PLATE 40805 1 SCREWS PL 40163 1 Fig 1 Fig 2 2 Remove the two screws Fig 2 securing the controls drawer and open it fully 3 Install 1 trade conduit and fitting to the cover plate A 90 degree fitting is recommended Leave at least four feet of electrical line between wall connection and cover plate connection This allows machine to be pulled away from the wall for cleaning 4 Feed wires over top of tank to individual strain reliefs at rear of drawer At least 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 three screws Fig 1 6 For all wires run one wire through each individual strain relief Four strain reliefs are provided Make electric
9. Dishwasher Frequently check your sanitizer bottle to make sure there is a sufficient chemical supply OPERATION 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 If your dishwasher is a chemical sanitizing model frequently check the sanitizer bottle to make sure there is a sufficient chemical supply BEFORE FIRST USE This machine must be cleaned after installation and before being put into operation See Cleaning CONTROLS Rop DETERGENT SANITIZER RINSE AID ON OFF LXi oe Hun ser RINSE PL 56581 Fig 6 12 OPERATING THE LXi DISHWASHER Press ON Dishwasher performs self check This Model number takes 5 10 seconds FILL lit and sump temperature displayed when machine is filling Fill flashes when booster is preheating on model LXiH This preheat could take up to 8 minutes During fill sump temperature is displayed Open door slide rack of dishes Sump temperature into dishwasher and add detergent Close door Press WASH WASH lit sump temperature displayed during wash cycle RINSE lit rinse temperature displayed during rinse cycle When cycle is complete reload Sump temperature machine for next wash rinse cycle or if not in use machine will maintain idle mode If water is present in the At the end of day pr
10. apply LXiH Fresh water rinse with a built in 70 F rise booster heater This allows an incoming water temperature of 110 F 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 delivery LOCATION Prior to installation verify that the electrical supply agrees with the specifications on the machine data plate which is located on the top of the door 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 LXi 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 a carpenter 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 warewashing performance by reducing spotting lowering chemical supply costs enhancing effectiveness of labor and extendin
11. machines and above 150 F for other machines Incoming water supply turned off 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 See Cleaning dishwasher 20 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 plates 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 usually due to high water temperature and strong detergent Check that china is dishwasher compatible Wooden ware damage avoid washing in dishwasher 9 Rust on cast iron seasoning is lost in dishwasher Avoid dishwasher cleaning
12. PE FROM THE DOOR WOOD LAMINATE 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 LXi SIDES AND TOP NOTES 1 ALL VERTICAL MACHINE DIMENSIONS TAKEN FROM FLOOR MAY BE INCREASED BY 1 2 MOIST AIR ESCAPES FROM THE DOOR USE ONLY MOISTURE RESISTANT MATERIALS ADJACENT TO LXi SIDES AND TOP 3 A VENT HOOD IS NOT RECOMMENDED ABOVE THE LXi UNDERCOUNTER DISHWASHER SINCE IT DOES NOT PRODUCE EXCESSIVE VAPORS 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 A IF DRAIN HOSE IS LOOPED ABOVE A SINK THE LOOP MUST NOT EXCEED 38 AFF 23 15 16 FACTORY SET HOSE HEIGHT 1 1 2 TRADE SIZE PIPE MIN REDUCED DOWN 3 4 CONNECTION BY CUSTOMER 33 3 4 RECOMMENDED 17 LESS 5 FLOOR LINE gt I I I I LEGEND CONNECTION INFORMATION AFF ABOVE FINISHED FLOOR E1 ELECTRICAL CONNECTION 1 3 8 DIA HOLE FOR 1 TRADE 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 140
13. R ARE ATTACKED BY SODIUM HYPOCHLORITE LIQUID BLEACH SEE INSTRUCTIONAL MANUAL NOTES 1 ALL VERTICAL MACHINE DIMENSIONS TAKEN FROM FLOOR MAY BE INCREASED BY 1 2 MOIST AIR ESCAPES FROM THE DOOR USE ONLY MOISTURE RESISTANT MATERIALS ADJACENT TO LXiG SIDES AND TOP 3 A VENT HOOD IS NOT RECOMMENDED ABOVE THE LXiG UNDERCOUNTER GLASSWASHER SINCE IT DOES NOT PRODUCE EXCESSIVE VAPORS PLUMBING NOTES 1 WATER HAMMER ARRESTOR MEETING ASSE 1010 STANDARD OR EQUIVALENT TO BE SUPPLIED BY OTHERS 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 DRAIN HOSE IS LOOPED ABOVE SINK THE LOOP MUST NOT EXCEED 38 AFF F 23 15 16 1 1 2 TRADE SIZE PIPE MIN REDUCED DOWN TO 3 4 FPT CONNECTION BY CUSTOMER 33 3 4 RECOMMENDED 17 OR LESS I FLOOR LINE RECOMMENDED WATER SERVICE 7 9 16 CONNECTION INFORMATION AFF ABOVE FINISHED FLOOR LEGEND E1 P1 P2 ELECTRICAL CONNECTION 1 3 8 DIA HOLE FOR 1 TRADE SIZE CONDUIT 31 3 4 AFF SINGLE FILL AND RINSE CONNECTION 3 4 FEMALE GARDEN HOSE FITTING ON 6 LONG HOSE SUPPLIED WITH MACHINE 140 F WATER MIN FOR LXiGC 110 F WATER MIN FOR LXiGH 1 1 2 AFF DRAIN CONNECTION 3 4 MPT FITTING WITH 6 LONG HOSE SUPPLIED WITH MACHINE 3 9 16 AFF 12 7 8
14. RNING USE 90 C STRANDED ELECTRICAL AND GROUNDING CONNECTIONS COPPER WIRE ONLY 37 7 50 50 MUST COMPLY WITH THE APPLICABLE PORTIONS ELECTRICAL OPTIONS BELOW ARE NON STANDARD VOLTAGES AVAILABLE OF THE NATIONAL ELECTRICAL AND OR AT EXTRA COST CONSULT FACTORY FOR PRICING AND LEAD TIME OTHER Roe ELEC IRICAR CODES 208 240 60 3 29 5 35 35 PLUMBING CONNECTIONS MUST COMPLY WITH 480 60 3 148 20 20 APPLICABLE SANITARY SAFETY AND PLUMBING 220 240 50 1 38 1 50 50 CODES DRAIN AND FILL LINE CONFIGURATIONS 380 400 60 3 171 25 25 VARY SOME METHODS ARE SHOWN ON THIS DRAWING INSTALLATION DIAGRAM LXiC amp LXiH 10 WARNING REQUIRED FLOWING WATER PRESSURE TO THE GLASSWASHER 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 GLASSWASHER BY OTHERS IMPORTANT THE SODIUM HYPOCHLORITE LIQUID BLEACH CONTAINER SHOULD BE PLACED NO HIGHER THAN 10 ABOVE FLOOR IF BLEACH CONTAINER IS TO BE PLACED IN CABINET ADJACENT TO GLASSWASHER A 1 2 DIA HOLE IS REQUIRED IN THE CABINET TO RUN BLEACH SUPPLY LINE USE ONLY 6 SODIUM HYPOCHLORITE LIQUID BLEACH AS SANITIZING CHEMICAL TO INSURE PROPER OPERATION OF DISHMACHINE IF 8 4 IS TO BE UTILIZED CONTACT HOBART SERVICE TO CHANGE THE SANITIZER PUMP SETTINGS DO NOT PRE MIX WETTING AGENT AND SODIUM HYPOCHLORITE LIQUID BLEACH CERTAIN MATERIALS INCLUDING SILVER PLATE ALUMINUM AND PEWTE
15. TE On indicates the Detergent or Rinse Aid pump will run and be sensed OF indicates the Detergent or Rinse Aid pump is disabled meaning it will not run or be sensed 5 Pressing the OFF key advances to the Rinse Aid mode showing On or OF Press the WASH key to change to desired setting 6 When desired changes are completed allow the machine to turn itself off It will do this automatically after 15 seconds if no keys are depressed The machine has saved changes and is ready for use 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 IMPORTANT THE SODIUM HYPOCHLORITE LIQUID BLEACH CONTAINER SHOULD BE PLACED NO HIGHER THAN 10 ABOVE FLOOR IF BLEACH CONTAINER IS TO BE PLACED IN ADJACENT TO MACHINE 1 2 DIA HOLE IS REQUIRED IN THE CABINET TO RUN BLEACH SUPPLY LINE USE ONLY 6 SODIUM LIQUID BLEACH AS SANITIZING CHEMICAL TO INSURE PROPER OPERATION OF DISHMACHINE IF 8 4 IS TO BE UTILIZED CONTACT HOBART SERVICE TO CHANGE THE SANITIZER PUMP SETTINGS DO NOT PRE MIX RINSE AGENT AND SODIUM HYPOCHLORITE LIQUID BLEACH CERTAIN MATERIALS INCLUDING SILVER PLATE ALUMINUM AND PEWTER ARE ATTACKED SODIUM LIQUID BLEACH SEE INSTRUCTIONAL MANUAL STEAM GENERATED FROM NORMAL OPERATION MAY ESCA
16. aded 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 9 Cups glasses and bowls should lay upside down in an open or compartment type rack Fig 9 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 and paper clips 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 Fig 9 15 DO S AND DON TS FOR YOUR NEW HOBART DISHWASHER DO assure proper water hardness DO prescrape 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 DO NOT oversoften 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 o
17. al connections according to wiring diagram supplied with the machine and secure wires to the machine service connection 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 Use only commercial grade detergents recommended by your chemical professional Do not use detergents formulated for residential dishwashers The detergent and rinse aid pump ON times factory set If adjustments are required contact your local Hobart Service Office Place 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 OPERATOR PROGRAMMING MODE The Operator Programming mode allows changes to be made from factory settings to the chemical pumps operation This includes the Detergent and Rinse Aid pumps but does not apply to the Sanitizer pump on the LXiC and LXiGC models The Detergent and or Rinse Aid pumps can be turned off by entering this programm
18. ce Office Drain and fill error messages are displayed as E0 E1 E2 E3 E4 E5 E6 or E7 In all cases the dishwasher will terminate current cycle operations turn off all heat sources and display the message untilthe OFF button is pressed A power drain will not occur when turned off See Troubleshooting If problem persists contact your local Hobart Service Office If the control detects that the water level probe is becoming less sensitive CL and Pr are displayed in the control window Clean all three water level probes See Cleaning WASH RINSE CYCLE TIMES LXi Spritz 2 Sec Wash 85 Sec Drain 22 Sec Dwell 1 Sec Rinse 10 Sec Dwell 5 Sec Drains off about 2 4 gallon of water Maximum wash time may vary depending on operation voltage and incoming water temperature for 70 F rise WASH RINSE CYCLE TIMES LXiG Spritz 2 Sec Wash 45 Sec Drain 22 Sec Max Dwell 1 Sec Rinse 10 Sec Dwell 5 Sec Drains off about 2 4 gallon of water Maximum wash time may vary depending on operation voltage and incoming water temperature for 70 F rise 14 PREPARATION Make sure the coarse Fig 7 and fine Fig 8 strainers in place and free of debris Check both wash arms and rinse arms to make sure they spin freely and are not clogged COARSE STRAINER waw Fig 7 Fig 8 Dishes must be scraped and or rinsed to remove food particles and other debris Never use steel wool on ware to be lo
19. e manual shutoff valve not supplied and the connection point on the machine Make plumbing connections with 1 2 minimum copper piping OD u recommended with a 3 4 male garden hose fitting not supplied See installation diagrams pages 10 11 NOTE Iron the water supply can cause staining 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 PLUMBING CONNECTIONS WARNING PLUMBING CONNECTIONS MUST COMPLY WITH APPLICABLE SANITARY SAFETY AND PLUMBING CODES Drain A drain hose 3 4 diameter and 6 long is provided 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 4 gallons per minute 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 THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT TAGOUT PROCEDURES ELECTRICAL DATA Complied in accordance with the National Electrical Code NFPA 70 latest addition NOTE For supply connections use copper wire only rated at 90 C minimum Model Volts Hertz Phase Minimum Supply Circuit Maximum Protective Conductor Ampacity Device Ampacity 120
20. e service connection Water must be proper hardness Higher hardness may cause excessive formation of lime scale The plumber connecting 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 LXiC 140 F Minimum 15 to 25 psi LXiH 110 F Minimum 15 to 25 psi If flowing pressure exceeds 25 psi a pressure reducing valve not supplied must be installed in the supply line CAUTION The water pressure regulator must have a relief bypass Failure to use the proper type of pressure regulator may result in damage to the unit If flowing pressure is less than 15 psi 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 th
21. er drain rate is allowed from plumbing Turn machine OFF Wait several seconds and 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 drips out of rinse arms booster tank H dishwashers only Machine displays E6 Contact your local Hobart Service Office Machine lights up wrench Contact your local Hobart Service Office and flashes P1 P2 or P3 Machine lights up wrench Refer to Priming Chemical Pumps and chemical icon 22 NOTES 23 NOTES FORM 34779 Rev B Sept 2005 24 PRINTED U S A
22. ess OFF sump Pd is displayed then the display shuts down 13 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 fill cycle wash cycle will begin at end fill cycle If beeper sounds and machine will fill turn circuit breaker off then on and try again If problem persists contact your local Hobart Service Office When filled machine will maintain an idle state Heat is maintained in both booster and or sump If your Model LXi Series is equipped with the optional detergent pump detergent will be added automatically during wash cycle 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 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 second The respective heaters will shut down Other functions will continue to operate normally Contact your local Hobart Servi
23. g 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 about 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 an inspection of the dishwasher or booster heater reveals lime buildup after the equipment has been in service in line treatment should be considered If recommended follow suppliers installation and use instructions Contact your local Hobart Service Office for specific recommendations Water Supply A water hammer arrestor meeting ASSE 1010 Standard or equivalent should be installed supplied by others in the common water supply line at th
24. iming operation is completed power to the control will be turned off 7 Inspect the interior of the machine for lime deposits If necessary repeat steps 3 through 7 LUBRICATION The pump motor has permanently sealed bearings and requires no lubrication 19 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 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 machine operation Display dr oP open and with display close door If problem persists contact your local Hobart Service Office See Machine won t fill or won t fill high enough Dishes not clean Strainers clogged causing inadequate water supply to pump clean according to instructions See Cleaning Obstruction in wash arm s or wash arms will not turn clean according to instructions See Cleaning Wash or rinse arms will not 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 1207 for chemical sanitizing
25. ing mode Disabling this feature will eliminate the alarm activation if no chemical is sensed and turn the chemical pumps off Machines not equipped with Hobart chemical pumps do not have this programming mode 1 To being the process start with the machine off 2 First press the ON key then immediately press and hold the OFF key to enter the user programming mode While the OFF key is being pressed the display will begin counting from 11 going up to 99 Hold the OFF key until the counting ends and WASH and is displayed on the LED panel Fig 3 This indicates you are now in the programming mode The OFF key must be pressed prior to the count reaching 44 PL 56852 Fig 3 NOTE If the WASH and Pr icons not appear and the machine is equipped with the chemical pumps turn the unit off and try steps 1 through 3 again 3 Press the WASH key to advance into the programming mode NOTE The machine will shut off in 15 seconds if either the WASH key or the OFF key are not pressed To regain access to this mode follow steps 1 through 3 4 The DETERGENT icon will now display either On or OF Figs 4 and 5 Pressing the WASH key in either the Detergent or Rinse Aid mode changes the selection from On to OF When the desired change is made press the OFF key to advance to the next mode RINSE AID DETERGENT ON OFF LXi ON OFF LXi F PL 56854 PL 56853 Fig 4 Fig 5 NO
26. operations the wrench is displayed along with the empty chemical icon and priming is cancelled The next time a wash cycle is started the control will flash the wrench and empty chemical icon as well as beep This is to prevent the priming operation in case the chemical sensors have malfunctioned Verify that the chemical bottles are not empty If they are not empty the chemical sensor or pumps have malfunctioned contact your local Hobart Service Office The priming operation can be reset by either Pressing the WASH key a second time while the wrench and empty chemical icon is flashing By turning the dishwasher off then back on NOTE If the use of chemical pumps is not desired refer to the Operator Programming Mode section 18 MAINTENANCE DELIMING 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 SANITIZING MACHINES MIXING MAY CAUSE HAZARDOUS GAS TO FORM THIS ENTIRE PROCEDURE MUST BE FOLLOWED STEP BY STEP FOR SAFE AND SATISFACTORY RESULTS CAUTION Do not allow the deliming agent to remain in the machine longer than recommended by the deliming agent manufacturer 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 a
27. r 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 46 CLEANING This machine must be cleaned at least once each working day Use only products formulated to be safe on stainless steel THUMB NUT 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 2 Remove the lower rinse arm by unscrewing the thumb nut Fig 10 Remove the lower wash arm by pulling the arm off the shaft Remove the upper rinse and wash arms in the same manner Remove the coarse and fine strainers See Figs 7 and 8 Thoroughly clean these items in a sink Remove debris from wash rinse arm nozzles Fig 10 3 With a damp cloth wipe the interior of the machine With a nonmetallic scouring pad clean the rear water level probes Fig 11 and the front water level probe Fig 12 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 JU P lt PWOOILS M I WATER LEVEL PROBE
28. rms LXi models are equipped with an automatic delime cycle reminder It is recommended that deliming be done when DELIME flashes If deliming is necessary a deliming agent such as Lime Away or LSR should be used for best results After the preprogrammed number of cycles has expired which is factory set for 1500 cycles the control will indicate the delime request by displaying DELIME Machine operation will continue as usual To remove the DELIME icon you must either enter a delime cycle or reprogram the number of cycles to terminate the DELIME indication If the dishwasher needs to be reprogrammed contact your local Hobart authorized service office 1 Remove rack from machine Close door 2 Press OFF to power down the dishwasher 3 Press and hold WASH DELIME while pressing ON The display will show DELIME during the fill cycle 4 After the fill cycle the control will prompt you to add delimer by flashing ADD and DELIME Open the door and add deliming agent Carefully follow supplier s instructions The sump holds approximately 3 gallons of water 5 After delimer has been added close the door Press the WASH 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 flash in the display NOTE DO NOT interrupt the cycle Should the process be interrupted restart delime procedure from the beginning 6 After the del
Download Pdf Manuals
Related Search