Cornelius UC 701 manual

IMPORT ANT : TO THE INST ALLER. It is the responsibility of the Installer to ensure that the water supply to the dispensing equipment is provided with protection against backflow by an air gap as defined in ANSI/ASME A1 12.1.2-1979; or an approved vacuum breaker or other such method as proved effective by test. W ater pipe connections and fixtures [...]

i 630460150 T ABLE OF CONTENTS Page SAFETY INFORMA TION 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RECOGNIZE SAFETY INFORMA TION 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UNDERST AND SIGNAL WORDS 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

ii 630460150 T ABLE OF CONTENTS (cont ’ d) Page UPPER NUT AND BEARING ASSEMBL Y 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TO REPLACE BEARING 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ELECTRICAL CHECKOUT 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

1 630460150 SAFETY INFORMA TION Recognize Safety Information This is the safety-alert symbol. When you see this symbol on our machine or in this manual, be alert to the potentially of personal injury . Follow recommended precautions and safe operating practices. CAUTION DANGER Understand Signal Words A signal word - DANGER, W ARNING, OR CAUTION is [...]

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3 630460150 GENERAL DESCRIPTION T O THE USER OF THIS MANUAL This manual covers the installation and assembly of the Air – Cooled or W ater – Cooled Model UC700 Icemaker with the Model UC150 Dispenser . Refer to T able of Contents for page location of detailed information pertaining to questions that may arise during installation or operation of[...]

4 630460150 T able 1. Design Data (cont ’ d) W ater Supply – W ater inlet fitting is 1/4 – inch SAE flare located at the top front of the Unit. The Unit is designed to operate on water pressure between 10 PSI and 90 PSI. Drain Overflow Line (Located at rear of the Unit) 3/8 – inch Flexible T ubing Ambient Operating T emperature 40 ° F to 1[...]

5 630460150 FIGURE 1. CLEARANCE REQUIREMENTS[...]

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7 630460150 INST ALLA TION PRE – INST ALLA TION Freight Damage Claim The delivery of your equipment (Frieght Company , Distributor , or dealer) is responsible for loss or damage of your shipment. All claims must be filed with the deliverer of your equipment. Please follow the steps below to determine if your shipment is satisfactory or if a claim[...]

8 630460150 INST ALLA TION 1. Keep unit in the upright position, remove carton and pallet from the Icemaker and inspect for damage. If any damage is found, file a claim with carrier immediately . 2. Locate startup card either on outside of container or on plastic liner . Fill in proper information and send one to factory , and other copy to distrib[...]

9 630460150 INITIAL ST ART UP , CHECKS AND ADJUSTMENT INSTRUCTIONS NOTE: Do not start Icemaker before completing installation steps on pages 7 and 9. T urn on water supply (if Icemaker is water cooled turn water on to condenser also) turn on main power switch (located on top of electrical box), and make the following system checks: NOTE: If Icemake[...]

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11 630460150 GUIDE T O SER VICE W ARNING: Disconnect electrical power to the Icemaker to prevent personal injury before attempting any internal maintenance. Only qualified personnel should service internal components or electrical wiring. ICEMAKER CLEANING AND SANITIZING PROCEDURES Do not use any of the ice made during cleaning operations. Clean an[...]

12 630460150 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[...]

13 630460150 3. The transparent bowl not only provides a visible check of water level, but also is a good guide to the inter- nal conditions which exist within the icemaker assembly itself. (See Cleaning Procedure.) T o Replace W ater Level Control 1. Shut off the water supply . Shut off the main power switch or unplug the ice dispenser from electr[...]

14 630460150 EXP ANSION V AL VE Y ou will find a thermostatic expansion valve on icemakers, which is used to control the amount of refrigerant flowing through the evaporator . Improperly installed or defective expansion valves may cause low production, soft ice, squeaking from evaporator and excessive load inside evaporator . By using general refri[...]

15 630460150 FIGURE 5. EXP ANSION V AL VE FIGURE 6. ADJUSTMENT SCREW THERMOST A TIC EXP ANSION V AL VE SIGHT GLASS CONDENSER MODULA TING V AL VE REMOV AL 1. Disconnect power to unit, then shut off water supply to condenser and evacuate refrigerant from system. 2. Remove inlet water line from Condenser Modulating V alve. Also remove tube from high s[...]

16 630460150 GEARMOT OR 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 [...]

17 630460150 ST ART RELA Y 1. Check between “ 2 ” and “ 4 ” on relay (with relay unplugged). If there is continuity replace the relay , as the relay contacts should be open. 2. Check between “ 3 ” and “ 4 ” on relay , if no continuity replace the relay . FIGURE 7. GEARMOTOR ASSEMBL Y T O REPLACE GEARMOTOR ASSEMBL Y 1. Disconnect the[...]

18 630460150 AUGER AND EXTRUDING HEAD REMOV AL 1. Disconnect unit from power supply . 2. Remove storage container cover and put aside. 3. T urn off water supply to icemaker . 4. After ice has melted from head take hold of the auger nut and lift straight up to disengage from icemaker . 5. When replacing the auger assembly , make certain that both th[...]

19 630460150 3. Remove Dispense T ray Cover . 4. Use an open end wrench on auger nut connected to bearing and turn counterclockwise to remove assembly . 5. Remove worn bearings. Replace with new bearings and then reinstall assembly . NOTE: If auger turns with nut, remove cover on top of gearmotor stator and hold motor while loosen- ing nut. FIGURE [...]

20 630460150 FIGURE 12. GEAR MOTOR OVERLOAD SAFETY CONTROLS Y our icemaker unit has several safety and control devices incorporated into its design. W ARNING: None of the below described devices should ever be “ bypassed ” to allow the unit to function. The safety and control system shut-off devices are: 1. Low water shut off reed switch locate[...]

21 630460150 GUIDE TO GOOD ICE CUSTOMER COMMENTS CHECK ICEMAKER LOCA TION CONDITIONS FIRST CHECK ICE MAKER S Use gauges for checking suction and head pressures. See manual for correct reading and conditions. Check frost line and sight glass. S Check water level for proper adjustment and restrictions. See Manual. S Check evaporator assembly for worn[...]

22 630460150 FIGURE 13. WIRING DIAGRAM[...]

23 630460150 TROUBLESHOOTING CHART – ICEMAKER NOT OPERA TING NO POWER Check electrical wiring in con- trol box for loose connec- tions. Check for failed service switch or relay . Check power to machine. ICEMAKER RUNS BUT DOES NOT MAKE ICE Condenser fan running but compressor not running Check line voltage. Check compressor winding & component[...]

24 630460150 TROUBLESHOOTING IMPORTANT : Only qualified personnel should service internal components or electrical wiring. TROUBLESHOOTING COMPRESSORS T rouble Probable Cause Remedy Basically the compressor problems can be narrowed down to three areas of checkout. THE COMPRESSOR WILL NOT RUN A. No voltage to the compressor terminals. A. Check circu[...]

25 630460150 IMI CORNELIUS CER TIFICA TE OF W ARRANTY TWO YEAR LIMITED ICE EQUIPMENT W ARRANTY IMI Cornelius warranty to the original commercial purchaser/user , that any commercial product of its manufacture bearing the na me Cornelius will be free from defect in material and/or factory workmanship, and that if properly installed, maintained, and [...]

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One Cornelius Place Anoka, Minnesota 55303-6234 T elephone (800) 238-3600 Facsimile (763) 422-3246 Corporate Headquarters: IMI CORNELIUS INC. 27 630460150[...]