Hobart LXiH ML-130017 manuale d’uso

701 S. RIDGE AVENUE TROY, OHIO 45374-0001 937 332-3000 www.hobartcorp.com N S T R U C T I O N S I LXi SERIES DISHW ASHER MODELS LX iC ML-130016 LX iH ML-130017 LX iGC ML-130018 LX iGH ML-130019 FORM 34779 Rev. B (Sept. 2005) LXi SERIES DISHWASHER[...]

– 2 – © HOBART CORPORATION, 2003[...]

– 3 – TABLE OF CONTENTS GENERAL ............................................................................................................................................ 4 INSTALLATION ................................................................................................................................... 5 Unpacking ..............[...]

– 4 – Installation, Operation and Care of LXi SERIES DISHW ASHERS SA VE 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 [...]

– 5 – INST ALLA TION 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 pl[...]

– 6 – 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 certai[...]

– 7 – 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 Electric[...]

– 8 – 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 degr[...]

– 9 – 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[...]

– 10 – INSTALLATION DIAGRAM (LXiC & LXiH) W ARNING: REQUIRED FLOWING WA TER PRESSURE TO THE DISHMACHINE IS 20 ± 5 PSIG. IF PRESSURES HIGHER THAN 25 PSIG ARE PRESENT , A PRESSURE REGULA TING V AL VE MUST BE INST ALLED IN THE WA TER LINE TO THE DISHMACHINE (BY OTHERS). IMPORT ANT : THE SODIUM HYPOCHLORITE (LIQUID BLEACH) CONT AINER SHOULD BE[...]

– 11 – INSTALLATION DIAGRAM (LXiGC & LXiGH) CONNECTION INFORMA TION (AFF = ABOVE FINISHED FLOOR) LEGEND 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 ° F W A TER MIN[...]

– 12 – 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% so[...]

– 13 – OPERATING THE LXi DISHWASHER S I H T O D S W O H S Y A L P S I D S K R A M E R . N O s s e r P . r e b m u n l e d o M s i h T . k c e h c - f l e s s m r o f r e p r e h s a w h s i D . s d n o c e s 0 1 - 5 s e k a t e r u t a r e p m e t p m u s d n a t i l L L I F s i e n i h c a m n e h w d e y a l p s i d . g n i l l i f l l i F s [...]

– 14 – 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 a[...]

– 15 – 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. 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 dish[...]

– 16 – 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 prescr[...]

– 17 – CLEANING 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. 2. Remove the [...]

– 18 – 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 (Deter[...]

– 19 – 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 n[...]

– 20 – 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 [...]

– 21 – Symptom Possible Causes Unexpected results on 1. Etching - usually caused by any combination of high dishes. temperatures, soft water, soft glass or high alkaline washing solutions. 2. Tarnishing - avoid washing silver, silver plates and pewter in chemical-sanitizing machines. 3. Pitting - stainless steel may pit with lengthy contact of [...]

– 22 – Symptom Possible Causes Machine fills too high or 1. 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. 3. Clean water level probes. (See Cleaning.) Machine will not drai[...]

– 23 – NOTES[...]

– 24 – FORM 34779 Rev. B (Sept. 2005) PRINTED in U.S.A. NOTES[...]