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MODEL L-1X & L-1X16
Installation & Operations
Rev 1.14
CMA DISHMACHINES
12700 KNOTT AVENUE
GARDEN GROVE, CALIFORNIA 92841
800-854-6417
FAX 714-895-2141
www.cmadishmachines.com
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TABLE OF CONTENTS MODEL CMA-L-1X & L-1X16 1. SPECIFICATIONS .........................................................................................2 1.1. L-1X & L-1X16.............................................................................................................................. 2 1.2. L-1X AND L-1X16 OPERATIONAL CYCLE....................................................................................... 3 2. GETTING STARTED ..................................................
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1. Specifications METRIC EQUIVALENT 1.1. L-1X & L-1X16 WATER CONSUMPTION PER RACK 1.7 GAL. 6.44 L PER HOUR 40.8 GAL. 154.4 L OPERATING CYCLE WASH TIME-SEC 57 57 RINSE TIME-SEC 48 48 DWELL TIME-SEC 15 15 TOTAL CYCLE 2 MIN. 2 MIN. OPERATING CAPACITY RACKS PER HOUR 24 24 WASH TANK CAPACITY 1.7 GAL. 6.44 L PUMP CAPACITY 35 GPM 132.5 LPM WATER REQUIREMENTS 140°F 60°C WATER INLET ½” — DRAIN CONNECTION 1” — CYCLE TEMPERATURES WASH-°F (Min) 140 60°C FRAME DIMENSIONS D
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1.2. L-1X and L-1X16 Operational Cycle The L-1X and L-1X16 Operational Cycle has a total cycle time of 2 minutes (120 seconds). The Timing Diagram and the steps listed below detail the individual functions that are executed during each Operational Cycle. Seconds: 0 10 20 30 40 50 60 70 80 90 100 110 120 Instant Start Relay Cam 1 Start/Stop
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allowing time for the machine to refill enough to avoid running the pump dry before the pump motor restarts and runs to the completion of the operational cycle. The pump motor runs the pump for the 57-second wash cycle, then pumps the water out through the drain, turns off for about 8 seconds (allowing the machine to refill with clean rinse water) and then runs the pump for the 48-second rinse cycle. 3. Cam switch 3 controls the drain function. At the end of the 57-second wash cycle, ca
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Getting Started 2. Getting Started All sections of the manual address both the L-1X and the L-1X16. Separate information on each machine is only provided where differences exist between the two models. 2.1. Introduction to the L-1X and L-1X16 The L-1X and L-1X16 Dishmachines are unique in their field; they have all the features of a standard commercial size machine packed into an under-counter, standalone dishmachine. Operation of the L-1X and L-1X16 are extremely easy. After initially
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Getting Started 2.2. Receiving and Installation The dishwasher is shipped from the factory in a corrugated box on a wooden pallet. The installation guidelines give a systematic procedure for setting up the machine. 1. Start by removing the box and packaging material. Check for the following component parts: A. Drain Screen: The Wash Tank Scrap Screen is shipped inside the wash cavity of the machine. This screen must be in place during operation. It has been designed to perform two bas
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Getting Started 2.2.4. Installers Checklist Dishmachine checked for concealed damage Hot water supply is 140° F (60 C) Incoming water supply line is ½” minimum Supply circuit breaker for machine is properly sized (20 amp) Service voltage and phase type are correct to machine data plate Drain hose is installed with adequate air gap Dishmachine is properly grounded Dishmachine is properly leveled Machine circuit breaker is labeled “DISHWASHER” Machine has been connecte
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Operation 3. Operation 3.1. Initial Setup 3.1.1. Check… Drain screen is in place Spay arms and end plugs are secure 3.1.2. Chemicals • Assure there is a sufficient supply of chemicals before beginning a shift. 3.1.3. Filling the Machine • With the power ON, toggle and hold the Fill/Start switch in the “FILL” position until the water level in the wash tank is about 1” deep, or just below the bottom wash arm. 3.2. General Caution: Do not operate the dishmachine without the drain s
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Operation These cams were set at the factory but can be adjusted after final installation to maximize efficiency of chemical use (see section 4.1.1 Cam Adjustment.) 3.2.3. Proper Filling The amount the machine is automatically filled each cycle is determined by the number 4 cam. When the number 4 cam switch actuator rides down into the cam groove, the solenoid valve on the fill line is energized causing the machine to fill. Since the cam only controls the duration of the fill, varyin
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Maintenance 4. Maintenance The maintenance procedures detailed in this section are to be performed by qualified personnel. 4.1. Timer assembly The standard timer assembly consists of a ½ RPM (2 minutes per revolution) motor turning a common shaft, which, in turn, rotates eight cams. As the cams rotate, they control various functions and the sequence of the operational cycle. The individual function of each of the 8 cams is identified by a label on the timer assembly. Cams 1 through 8
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Maintenance 4.2. Quick service guide MODELS: L-1X, L-1X16 UNDER COUNTER TECHNICAL ISSUE CAUSE SOLUTION Delimer switch in delime position Flip to NORMAL position Wash Pump motor will not shut off Faulty delimer switch Replace switch, P/N 00475.30 Faulty manual drain switch Replace switch, P/N 03406.62 Faulty contactor Replace contactor, P/N 00404.82 Continues cycles Faulty #1 micro switch (start/stop) Replace switch, P/N 00411.00 Faulty start/fill switch Replace switch,
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Maintenance 4.3. Troubleshooting PROBLEM LIKELY CAUSE SOLUTION Machine inoperative Power off at circuit breaker Reset circuit breaker Defective power switch Replace power switch P/N: 00433.10 Defective timer assembly motor Replace timer assembly motor P/N: 00501.00 Pump Motor inoperative Door is open Close door Control drawer is pulled out Secure control drawer Defective reed (door) switch Replace reed (door) switch P/N: 00557.55 Defective timer assembly Replace timer assembly* P/N:
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Maintenance PROBLEM LIKELY CAUSE SOLUTION Low heat during operation Low incoming water temperature Turn up supply water heater (below 140° F) Insulate supply water pipe Thermostat out of adjustment Adjust thermostat (Optional) sustainer heater not Install (optional) sustainer installed heater P/N: 04109.10 Defective sustainer heater Replace heater P/N: 04109.10 Low spray arm water flow Limed up spray arm nozzles De-lime spray arm nozzles With power on, activating Defective fill/start
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Maintenance PROBLEM LIKELY CAUSE SOLUTION Rinse pump does not run Defective rinse pump motor Replace pump motor P/N: 00416.00 Defective timer assembly Replace timer assembly* P/N: 00408.80 (Cam 6) Activating detergent primer Defective sani/detergent primer Replace primer switch switch does not run pump switch P/N: 03470.00 Defective detergent pump motor Replace pump motor P/N: 00416.00 Activating sani primer Defective sani/detergent primer Replace primer switch switch does not run pump
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Addendum 5. Addendum for Machines Installed in the City of Chicago “All food dispensing establishments using chlorine or other approved chemical sanitizers shall, at all times, maintain an adequate testing device.” “Dishes and other eating and drinking utensils to be washed in a dishwashing machine shall be properly scraped and pre-rinsed and shall be stacked in racks or trays so as to avoid overcrowding, and so as to permit the wash and rinse waters to reach all surfaces of each utensil.
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Appendix A: Operator & Cleaning Instructions MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.14 Page16
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ELECTRICAL DIAGRAM 6. Electrical Diagram MODEL L-1X & L-1X16 INSTALLATION & OPERATION MANUAL Rev. 1.14 Page17
