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The sensing element is located in a 5/16” stainless steel tube which hangs from the BIN CONTROL SWITCH TERMINALS dispense tray cover down through the center of the drop tube. To test switch, start the icemaker and block the outlet tube. When the ice fills the drop tube about 1/2 full the icemaker should shut off. When tube is cleared the ice maker should restart within 5 min. The Bin control is in electrical series with coil on antifreeze relay along with the low water safety. If unit is water cooled, the condenser high pressure cut out is also in series. The Control Switch is held in place inside electrical box by 2 screws. The Control bulb is in the drop tube. It can be removed by pulling the cable located on the top of the dispense tray cover. When replacing the sensor make sure the bulb is inserted to the bottom of the thermostat well. GEARMOTOR The gearmotor is equipped with a start relay and a manual reset overload. When current is applied, the relay energizes and completes the circuit to the start winding. The motor reaches a predetermined speed and the relay drops out, disconnecting the start winding. The run winding remains in the circuit as long as current is applied. The purpose of the overload is to automatically shut off the motor in the event of a mechanical bind of the transmission, an overload condition within the evaporator or an electrical malfunction. It does this by sensing amperage draw. If the motor stalls the start relay would energize and stay energized. The amperage would surge 5 to 6 times greater than the normal draw. In this event the overload would shut off the transmission in 4 to 8 seconds. If the motor is subjected to an abnormal load, but does not reach a stall condition, the overload will react, but over a greater period of time. The reaction time depends upon the amperage to which it is subjected. The overload, through the safety circuit, also shuts off the compressor. FIGURE 4. BIN CONTROL SWITCH © 2004-2005, IMI Cornelius Inc. - 5 -Publication Number: 630460174SER Continuous Flow Icemaker Service Manual CLEANING AND SANITIZING ICEMAKER CLEANING AND SANITIZING PROCEDURES Do not use any of the ice made during cleaning operations. Clean and sanitize ice storage area when cleaning icemaker. 1. Turn machine off. 2. Shut off water supply. 3. Remove ice from storage bin. 4. Mix approved cleaner (2 gallons as directed). Recommended cleaner: Calgon Nickel-Safe, ice machine cleaner. Mixture: 3 ounces per gallon of water. 5. Clean auger/diverter assembly and ice transition/drop tube in a sink using cleaner mixture and reinstall in icemaker. Using cleaner, wipe down the dispense tray. 6. Turn machine on and add cleaner solution to water level control until 2 gallons have been used. 7. Turn on water supply and run machine for 15 minutes. 8. Turn off machine and remove all ice. Turn off water and drain water. 9. Sanitize using household liquid bleach (200 ppm chlorine). Mixture: 1/2 fluid ounce per gallon room temperature water. 2 minute exposure time. 10. Sanitize auger/diverter assembly and ice transition/drop tube in a sink using sanitizing solution and reinstall in icemaker. Using sanitizer, wipe down the dispense tray. 11. Fill icemaker with sanitizer by slowly pouring solution into water feed reservoir until full. Solution will drain through overflow tube. Turn on water. Run the ice machine for 15 minutes. Turn off ice machine and remove all ice. 12. If icemaker is used in conjunction with ice dispenser or storage bin, follow manufacturer’s recommended cleaning instructions at this time. MAINTENANCE Preventive maintenance can increase the trouble free life of your icemaker. Many authorized service agencies offer service contracts for your icemaker. Contact your local distributor for further information. MONTHLY 1. Clean the condenser. Use a brush, vacuum cleaner or blow from inside with air or CO2 gas. 2. Inspect water feed reservoir at lease once a month until a definite pattern for cleaning and sanitizing has been established. QUARTERLY This is the maximum period of time between cleaning and sanitizing the icemaker. In addition to recommended monthly procedure, and if a more frequent cleaning and sanitizing pattern has not been established, unit must be cleaned and sanitized. Publication Number: 630460174SER - 6 - © 2004-2005, IMI Cornelius Inc. Continuous Flow Icemaker Service Manual SEMI-ANNUALLY Semi–Annually in addition to all previously established service procedures perform the following: 1. Check for water leaks in tube connections, water fittings and lower icemaker water seal. 2. Check drain tubes for clogs and aged tubes. Replace if tubes are stained or brittle. 3. Check for signs of condensation. Clean where necessary and replace insulation properly. 4. Check safety circuits for proper operation. 5. Check refrigeration system. 6. Check unit for abnormal noise. Tighten machine and cabinet screws, if necessary. 7. Check white upper bearings on auger assembly. If bearin...

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