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LXi SERIES DISHWASHER
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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. B (Sept. 2005)
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© HOBART CORPORATION, 2003 – 2 –
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TABLE OF CONTENTS GENERAL ............................................................................................................................................ 4 INSTALLATION ................................................................................................................................... 5 Unpacking ...................................................................................................................................... 5 Location ............................
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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. TM 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, fil
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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. 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 materi
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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 the 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 (re
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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. Minimum Supply Circuit Maximum Protective Model Volts/
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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. 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
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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 programming 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 c
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WARNING: CONNECTION INFORMATION (AFF = ABOVE FINISHED FLOOR) 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). E1 ELECTRICAL CONNECTION: 1-3/8" DIA. HOLE IMPORTANT: THE SODIUM HYPOCHLORITE (LIQUID BLEACH) CONTAINER SHOULD BE FOR 1" TRADE SIZE CONDUIT; 31-3/4" AFF. PLACED NO HIGHER THAN 10" ABOVE FLOOR. P1 SINGLE FILL AND RINSE CONNE
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WARNING: CONNECTION INFORMATION (AFF = ABOVE FINISHED FLOOR) REQUIRED FLOWING WATER PRESSURE TO THE GLASSWASHER 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 GLASSWASHER (BY OTHERS). E1 ELECTRICAL CONNECTION: 1-3/8" DIA. HOLE IMPORTANT: THE SODIUM HYPOCHLORITE (LIQUID BLEACH) CONTAINER SHOULD BE FOR 1" TRADE SIZE CONDUIT; 31-3/4" AFF. PLACED NO HIGHER THAN 10" ABOVE FLOOR. P1 SINGLE FILL AND RINSE CONNE
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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)
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OPERATING THE LXi DISHWASHER DO THIS DISPLAY SHOWS REMARKS Press ON. Dishwasher performs self-check. This Model number. takes 5-10 seconds. FILL lit and sump temperature Dishwasher fills with water. When filled, displayed when machine is pump turns on for 10 seconds. filling. If door is opened during fill cycle, fill will stop. After door is closed, the process continues where it stopped. Fill flashes when booster is If WASH is pressed during a fill cycle, a preheating on model LXiH. wash cycle
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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 Service 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 until the OFF button is pressed. (A power dra
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PREPARATION Make sure the coarse (Fig. 7) and fine (Fig. 8) strainers are in place and free of debris. Check both wash arms and rinse arms to make sure they spin freely and are not clogged. FINE STRAINER COARSE STRAINER 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 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.
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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.
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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
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PRIMING CHEMICAL PUMPS When a chemical becomes empty, the priming operation starts automatically the next time 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
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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 REQU
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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 1. Machine OFF - turn machine ON. (no display). 2. Blown fuse or circuit breaker off at power supply. 3. Cord not plugged in (corded models only) No machine operation 1. Display: "dr" "oP" - open and (with display). close door
