Cornelius IMD Series User's Manual
Contents
1. 13 To Replace lt 14 Troubleshooting Compressor 14 Electrical Checkout tuta oio tat o este ins ae o ao 14 Overload Check FIGURE 10 4 rx rack V gp Faroe OR MERI nee Ra 15 Compressor Check 11 15 Z3pacitor CHECK oasis ees ues SE obe Pete iis esie ees 15 Troubleshooting Gear Motors 15 The Gearmotor will not run 15 The Gearmotor Starts but Trips Repeatedly on the Overload Protector 15 The Motor Runs but Output Shaft does not Rotate 15 Ovatload GIgeK sus a teg INE ane a Se RERO RE i ede on aa E rud ice 15 este a s dos tea utis E 16 Safety Controls ERR Aka as k kak ERE REF NE YE 17 Guide to Good 18 gt Countertop Icemaker IMD Series Installation Manual SAFETY SAFETY INSTRUCTIONS Read and Follow all Safety Instructions Read and follow all safety instructions in this manual and on the machine decals labels and laminated cards Read and understand all applicable OSHA Occupation Safety and Health Administration safety regula tions before operating the machine Recognize Safety Alerts This is the safety alert sym2. jou 2065930300 14 Gy 40 esuedsip uoo ui Bu um eoujoeje xoeuo 801 885 16suepuot 1004 HO 9 89 106 0900 uos N3dO HOLMS 3NVIN LON 5300 esuedsiq JNA VERA DIVIN 1 3521015 AL34VS SNH Se ON SNILVH3dO LON 5 638085277INS Publication Number 19 2004 2009 IMI Cornelius Inc Countertop Icemaker IMD Series Installation Manual BLK 2 2 ICE 5 BRN LIGHT SELECT WHT T YLW 47 DISP Ta 2 J SWITCH DRINK PNK WATER 3 Cer FRONT OPTION SELECT War BLK NOT USED WITH DRINK FRONT OPTION 4 NOT USED WITH lan 2 DRINK FRONT OPTION ON WATER x gt 4 c 5 ZH 2 29 HE DISPENSE uj 59 MOTOR s ed 5 E qu C C NA DRINK FRONT 5 OPTION 3 n d a NU gt lt mI e J gt zz zzz z 1 1
3. High pressure cut out water cooled only 9 01 to A WARNING Do not reset gear motor overload if ice is present in the evaporator 2004 2009 IMI Cornelius Inc 17 Publication Number 6380852771NS Countertop Icemaker IMD Series Installation Manual C Ge GUIDE TO GOOD ICE CUSTOMER COMMENTS It runs but the ice is too soft The icemaker is not producing enough ice The ice is too wet CHECK ICEMAKER LOCATION CONDITIONS FIRST Proper air flow for condensing system Location too close to high units such as coffee urns deep fryers grills etc Supply water conditions Water too warm above 90 F Water artificially softened above 262 ppm sodium chloride Normal water supply too high in total dissolved solids above 500 PPM CHECK ICEMAKER Use gauges for checking suc tion and head pressures See manual for correct reading and conditions Check frost line and sight glass Check water level for proper adjustment and restrictions See Manual Check evaporator assembly for worn parts bearings scored evaporator and auger bad expansion valve ect OVER COMPRESSION Check to see T noise objection Check Tor oose parts and It makes too much noise With this comment the ice is usually extremely hard and larger than normal Publication Number 638085277INS is normal fan and air flow noise Supply water conditions Water too cold below 50
4. Voltage The voltage should be within 10 of the rated nameplate voltage High compressor amperage draw it should never exceed 12096 of the rated nameplate amper age See Electrical Checkout Instructions THE COMPRESSOR RUNS BUT WILL NOT REFRIGERATE Check the compressor suction and discharge pressures See Chart on Page 12 ELECTRICAL CHECKOUT 1 2 FI Be sure the unit is disconnected from the power source Remove the compressor electrical box cover Check for obvious damage and loose wires Disconnect the fan motor leads Since capacitors store energy short the capacitor with a screw driver This will prevent shocks Disconnect the compressor terminal wires GURE 10 OVERLOAD CHECK FIGURE 11 COMPRESSOR CHECK Publication Number 638085277INS 14 2004 2009 IMI Cornelius Inc CGinelus gt Countertop Icemaker IMD Series Installation Manual OVERLOAD CHECK FIGURE 10 4 Using a volt ohm meter check the continuity across the overload contacts 1 amp 3 If none wait for unit to cool down and try again If still no continuity the overload protector is defective and should be replaced CoMPRESSOR CHECK FIGURE 11 The resistance readings on the windings will be between 0 25 and 10 00 ohms a meter capable of these low readings must be used 5 Check between C amp R Replace compressor if there is no continuity as the run windings are open 6 Check between C amp S Rep
5. Remove 6 screws from the front of the machine Remove side panels by sliding the front edge out and then back slightly to disengage Remove the front splash panel by lifting slightly to disengage the front then tilt forward and remove Remove bin top and remove shipping insert PREPARATION OF INSTALLATION SITE 1 The refrigeration system on air cooled units requires airflow so a well ventilated area should be chosen A minimum of 6 inches must be maintained free of any obstruction for air intake A min imum of 4 inches clearance is required of air exhaust 2 With template provided make the necessary provisions in the counter for water drain and the elec trical hook up Provisions are available for rear and bottom connections of water and electrical Use hole plugs provided to plug unused holes WATER INLET HOOK UP 1 Water Inlet Fitting is a 1 4 SAE male flare located at the rear of the unit Connect water supply with a 1 4 or larger copper or flexible tubing 2 Water Pressure Unless otherwise specified the unit is designed to operate on water pressures between 10 P S l and 90 P S l NOTE for pressures above 90 P S l a regulator must be installed 3 Water Cooled Condensers A Inlet to modulating valve uses 3 8 FPT Use separate 3 8 or larger water line B Outlet is 3 8 FPT 4 Filter Conditioner are recommended on supply lines to icemakers Never run the water supply to water cooled Condenser
6. arm up or down as needed push float assembly down until unit stops running Release float and unit will restart Keep water in reservoir at level line while unit is in operation See FIGURE 4 2004 2009 IMI Cornelius Inc 5 Publication Number 638085277INS Countertop Icemaker IMD Series Installation Manual gt Low Water Safety Control Adjust magnet by bending magnet arm as shown in FIGURE 4 to shut down unit if the water level drops below the line on the side of the reservoir Bin Control Remove four screws from top of bin cover and lift cover so bin control plate can be manu ally lifted until unit shuts down Release plate and unit will restart On IMD300 30 IMD600 30 and IMD600 90 the dispense button must be depressed for 45 seconds before until will start Replace Screws Dispense Switch and Mechanism By depressing the dispense switch the dispense mechanism door on the storage bin will open and chain sprockets and agitator will rotate counterclockwise NOTE If any of these checks or adjustments cannot be achieved refer to Troubleshooting Sec tion of this manual or call our Technical Support Center for assistance at 1 800 238 3600 Publication Number 638085277INS 6 2004 2009 IMI Cornelius Inc gt Countertop Icemaker IMD Series Installation Manual GUIDE TO SERVICE ICEMAKER CLEANING AND SANITIZING PROCEDURES Do not use any of the ice made during cleaning operations Clean and san
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8. 0 IMD601 30W Water Cooled 208 230 60 1 7 7 N A 1 6 14 R404A 20 IMD602 30W Water Cooled 220 240 50 1 8 2 N A 1 6 14 R404A 20 IMD600 90A Air Cooled 115 60 1 12 1 2 24 R404A 20 IMD600 90W Water Cooled 115 60 1 12 N A 2 14 R404A 20 IMD601 90A Air Cooled 208 230 60 1 7 7 1 1 6 24 R404A 20 IMD601 90W Water Cooled 208 230 60 1 7 7 N A 1 6 14 R404A 20 IMD602 90A Air Cooled 220 240 50 1 8 2 0 5 1 6 24 R404A 20 IMD602 90W Water Cooled 220 240 50 1 8 2 N A 1 6 14 R404A 20 NOTE FOR UNITS NOT LISTED IN ABOVE CHART REFER TO NAMEPLATE OR CONTACT FAC TORY SERVICE Air Exhaust 2212 2 13716 78 Din electrical heok up 14 x 6 la MET 10 122 Line Cord Water Inlet 244 M 1 34 24 11 2 Dia Publication Number 638085277INS 2 Recommended Flacco counter doain SPECIFICATION CHART 1 fud LN 4 Recor cut vut tor drink front option SHIPPING WT 189 LBS APPROX FIGURE 1 DIMENSION DRAWING 15 LB IMD 300 15 C Gne 2004 2009 IMI Cornelius Inc CGinelus gt Countertop Icemaker IMD Series Installation Manual 27 1 2 18 5 8 Water Inlet 3 8 FPT water cooled only Water Outlet 3 8 FPT water cooled only 35 3 4 7 8 Dia Water Inlet 1 4 MFL hole for m electrical 10 1 4 11 3 8 27 8 2 45 64 i juli 20 3 4 TA a 21332 11 2 Dia fe 11 5 8 Recommended
9. 02726644 COUNTERTOP ICEMAKER IMD Series Installation Manual RES Release Date April 8 2004 Publication Number 638085277INS Revision Date February 16 2009 Revision C Visit the IMI Cornelius web site at www cornelius com for all your Literature needs C Greta gt COUNTERTOP ICEMAKER IMD SERIES INSTALLATION MANUAL The products technical information and instructions contained in this manual are subject to change without notice These instructions are not intended to cover all details or varia tions of the equipment nor to provide for every possible contingency in the installation operation or maintenance of this equipment This manual assumes that the person s working on the equipment have been trained and are skilled in working with electrical plumbing pneumatic and mechanical equipment It is assumed that appropriate safety precautions are taken and that all local safety and construction requirements are being met in addition to the information contained in this manual To inquire about current revisions of this and other documentation or for assistance with any Cornelius product contact IMI Cornelius Inc WWW cornelius com 800 238 3600 Trademarks and copyrights Aurora Cornelius Decade Hydro Boost Sitco Spirit UF 1 Vanguard Venture Olympus and Vista are registered trademarks of IMI Cornelius Inc Optifill trademark is pending This document contains proprietary information and it m
10. 55 288 Fs x S E 5 2 gt c4 eg EB eni oue pas eR C lt lt cm c c C f L 24 8 21 as RED 2 z Mg M C u 1 ii xS B 21 454 SERVICE i 6 2 2 z BLK i WHT S BLK zm 120 CUSTOMER HOOK UP PER LOCAL CODE IMD 15 WIRING DIAGRAM Publication Number 638085277INS FIGURE 14 SCHEMATIC IMD 300 15 20 2004 2009 IMI Cornelius Inc Countertop Icemaker IMD Series Installation Manual 8 N A 9 3 Drink Front Option 5 5 To Drink Valves uondo E PIPEN FIGURE 15 SCHEMATIC IMD 300 30 IMD 600 30 IMD 601 30 IMD 600 90 AND IMD 601 90 2004 2009 IMI Cornelius Inc 21 Publication Number 6380852771NS Countertop Icemaker IMD Series Installation Manual 3uo14 SI9ULIOJSUGI SABA 01 sald TH ung FIGURE 16 SCHEMATIC IMD 302 30 IMD 602 30 AND IMD 602 90 22 2004 2009 IMI Cornelius Inc Publication Number 638085277INS IMI Cornelius Inc WWW cornelius com
11. 9 Publication Number 6380852771NS Countertop Icemaker IMD Series Installation Manual gt Air Temperature The operating positions of the switch are fixed no adjustments are necessary If switch replacement becomes necessary simply disconnect cable at connector remove wires from switch Temperature Pressure Charts 10 155 Discharge Pressure Water Temperature IMD300 15 IMD300 30 IMD600 30 amp IMD600 90 409 659 909 409 659 909 409 659 909 50 80 85 90 162 166 168 174 177 180 60 92 97 102 188 192 194 202 205 208 709 114 120 124 214 218 220 230 233 236 809 124 120 147 245 249 251 265 269 272 909 161 167 171 275 279 281 300 304 307 100 187 193 195 309 313 815 328 334 340 NOTE The thermostatic expansion valve is non adjustable on all models REFRIGERATION SYSTEM ADJUSTMENTS A complete understanding of the icemaker and hermetic refrigeration system is necessary before any adjustments are made The refrigeration technician must use high and low side pressure readings water and air temperatures plus general conditions of cleanliness to assess the refrigeration system sta tus when making any adjustments All icemaker products are tested and adjusted at the factory prior to shipment where the ambient temper ature ranges from 65 F to 90 F depending on the season of the year Whenever a new icemaker is initally installed and started up it is imperative that the start up operator make the following checks and re
12. F Possibly running from pre cooler Obstructions partially blocking ice exit from top of evaporator Check fan and fan shroud screws rattling Check evaporator assembly for worn parts bearings scored evaporator and auger bad expansion valve etc 2004 2009 IMI Cornelius Inc Countertop Icemaker IMD Series Installation Manual eqni UMODSI peau xoqieob oou uomejnsu Jo uosuedxe 1edoiduu einsseid yea seb 10 10 ANVH3OIHd2H ONSA Woy
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14. ORKS When water is introduced through the inlet fitting the float rises The float pushes against a lever which in turn forces the poppet assembly against the inlet fitting valve seat which seals the water off see FIG URE 4 Before the water inlet is sealed the safety switch is operated In the event of a water failure the float would drop down and operate the safety switch to shut off the machine If water level control will not shut off and seal at level as indicated be sure inlet pressure does not exceed recommended factory operating range Under ordinary circumstances adjustment should not be necessary providing it was properly adjusted when unit was installed or relocated If however the control becomes inoperative repair or replace See Start Up Adjustment PURPOSE OF WATER LEVEL CONTROL 1 To automatically maintain proper water level in the evaporator when unit is running and making ice 2 safety switch is operated in the event of an interruption in water supply The switch shuts off the electrical power to the icemaker and its refrigeration system Switch will reset as soon as cause of water failure has been corrected and proper water level in icemaker has again been reached 3 The transparent bowl not only provides visible check of water level but also is a good guide to the internal conditions which exist within the icemaker assembly itself See Cleaning Procedure To REPLACE WATER LEVEL CONTROL 1 Shut off the w
15. Rend in this directian to shui down soorier FIGURE 4 FLOAT ASSEMBLY NOTE Steps 7 and 8 to be completed only after all start up checks and adjustments are per formed 7 Replace side panels tightening all 6 screws including splash panel screws left loose 8 Replace top panel and front cover and secure with 2 screws NOTE In those cases where the unit is base mounted and not on legs it should be sealed all around the base with NSF listed sealant IMI Wilshire P N 04815 B AUGER ENGAGEMENT Be certain that auger is fully engaged to lower drive and that extruding head is fully engaged to evapora tor INITIAL START UP CHECKS amp ADJUSTMENT INSTRUCTIONS NOTE Do not start unit before completing above Installation Instructions Turn on water supply and main power switch located on top of electric box All IMD 30 Ib and 90 Ib series units are equipped with a 45 second delay timer This means that the refrigeration system will not start until 45 seconds of dispense are accumulated in the timer Start the refrigeration system by depressing the ice dispense button for 45 seconds Make the following system checks NOTE If unit will not start be sure water reservoir is full Low water safety control must be prop erly adjusted to start and shut down unit If water level drops below bottom of reservoir unit must shut down Adjustment is made by moving magnet up or down Water Level necessary adjust Float by bending float
16. adjustments for local conditions EXPANSION VALVE You will find a thermal 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 pro duction soft ice squeaking from evaporator and excessive load inside evaporator By using general refrigeration troubleshooting along with the pressure charts you can easily determine whether or not the expansion valve is working properly ADJUSTMENT AND TROUBLESHOOTING When troubleshooting the expansion valve you must 1 Be sure you have adequate water flowing into the evaporator a clean and properly ventilated con denser and the system is properly charged and free of any restrictions Also be sure compressor is operating properly 2 Take reservoir water temperature and air temperature from condenser inlet and determine at what pressure unit should be running On machines equipped with thermostatic valve there is NO adjust ment If correct pressure cannot be obtained be sure system has time to stabilize 10 15 minutes 3 Be sure sensing bulb is located at outlet side of evaporator about 3 4 inches away from evaporator and be sure to insulate well and clamp tightly to tubing If system pressures are still not adequate take a second water and air temperature reading and go over other parts of the system for possible problems If proper charge is questionable evacuate and recharge
17. ater supply Shut off the main power switch or unplug the ice dispenser from electrical outlet 2 Remove the flexible tubing from bottom of water level control and drain water from water level con trol and evaporator 3 Remove flexible tubing at bottom of water level bowl connected to the overflow Hold water inlet fitting with proper tool to prevent it from rotating when disconnecting the water inlet 5 Remove wing nut holding water control to its mounting bracket Control can be removed by lifting straight up gt REPLACE WATER LEVEL SAFETY SWITCH 1 Shut off main power switch or unplug the ice dispenser from electrical outlet 2 Unplug molex connector connecting switch to electrical box 3 Remove the 2 screws anchoring the water level safety switch to the bottom of the water level control mounting bracket IcE LEvEL CoNTROL The ice level control assembly is secured to the top of the ice storage container cover The cover is secured to the storage container with four screws The level control switch is operated by a plate assem bly located beneath the diaphragm When the plate assembly is down due to lack of ice in storage con tainer electrical impulse is sent to compressor starting the ice making cycle As ice level increases in storage container the plate assembly is pushed up When storage container is full it de actuates the Switch stopping the compressor and ice making cycle 2004 2009 IMI Cornelius Inc
18. ay not be reproduced in any way without permission from Cornelius Printed in U S A Copyright 2004 2009 All Rights Reserved IMI Cornelius Inc C inet gt TABLE OF CONTENTS Safety err 1 Safety Inst Keb PU ae 1 Read and Follow all Safety Instructions 1 Recognize Safety Alerts 1 Different Types of Alerts 1 Safety TIPS eee ed quus o ER a N 1 CO2 Carbon Dioxide Warning 1 Shipping And Storage uxo exe Epp I Mee Tenes ate 1 Specification Chart ium arre tue RE LENA eas aae 2 Installation Instructions 3r i aa LEE EE 4 Remove from 4 Gabinet Removal 25 uen eme Gerad edem PIER Le EP Ree A 4 Preparation of Installation Site 4 Water Inlet Hook up 4 Ele trical Fitur m ME ove ere RUE oor ed ee ee oad 4 Drain Gonnecltioh ik ik ee ree Matec bead s dake 5 Auger Engagement ordeo Ge ba ot ew Reed es ewe ent oh ay 5 Initial Start Up Checks amp Adjustment Instructions 5 Guide To Service kus sese ua RR b RR sk a aka ks aa ak kas a 7 Icemaker Cleaning and Sanitizing Procedur
19. bol When you see it in this manual or on the machine be alert to the potential of personal injury or damage to the machine Different Types of Alerts There are three types of safety alerts A DANGER Indicates an immediate hazardous situation which if not avoided WILL result in seri ous injury death or equipment damage WARNING Indicates a potentially hazardous situation which if not avoided COULD result in serious injury death or equipment damage CAUTION Indicates a potentially hazardous situation which if not avoided MAY result in minor or moderate injury or equipment damage SAFETY TIPS Carefully read all safety messages in this manual and safety signs on the machine Keep safety signs in good condition and replace missing or damaged safety signs Learn how to operate the machine and how to use the controls properly Do not let anyone operate the machine without proper training This appliance is not intended for use by very young children or infirm persons without supervision Young children should be supervised to ensure that they do not play with the appliance Keep your machine in proper working condition and do not allow unauthorized modifications to the machine CARBON DIOXIDE WARNING WARNING CO Displaces Oxygen Strict Attention must be observed in the prevention of gas leaks in the entire and soft drink system If a CO gas leak is suspected particularly i
20. 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 to 5 to 6 times greater than 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 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 Refer to Troubleshooting Guide FIGURE 7 IMD 300 SHAFT SEAL FIGURE 8 AUGER AND EXTRUDING HEAD REMOVAL SHAFT SEAL INSTALLATION AND REPLACEMENT FIGURE 7 1 Place shaft seal locator seat over gear motor output shaft embossed side down and push down until shaft seal seat rests flush on top of gear motor 2 Place rubber coated ceramic seal important ceramic face up over output shaft and push down until seal rests on top of the shaft seal seat Lubricate rubber on ceramic seal with 06195 rubber lubricant 3 Place shaft seal with carbon face down spring up over output shaft and push gently downward until seal rests on carbon face of output shaft seal 4 Push down on the washer compressing the spring on the output shaft seal While holding the seals down in place slide the E ring into the groove on the output shaft Publication Numbe
21. cut out in counter for drain SHIPPING WT IMD300 30 220 LBS APPROX SHIPPING WT IMD600 30 240 LBS APPROX FIGURE 2 DIMENSION DRAWINGS 30 LBS IMD 300 30 AND IMD 600 30 28 1 8 Si b sp 4 Water inlet Water cooled only 3 8 FPT Exhaust 24 Electrical Water outlet 7 8 Wat led e Water coole Knockout only 3 8 FPT 13 1 4 Water Inlet 1 4 MFL i 3 4 S ES 27 8 4 21 1 2 2 Dia jt 13 5 8 Recommended cut out in counter for drain 1 Radius Dotted line for drink front option TE 1 2 SHIPPING WT 225 LBS APPROX 1 2 FIGURE 3 DIMENSION DRAWINGS 90 LBS IMD600 90 2004 2009 IMI Cornelius Inc 3 Publication Number 6380852771NS Countertop Icemaker IMD Series Installation Manual INSTALLATION INSTRUCTIONS REMOVE ICEMAKER FROM CARTON 1 Keep unit in the upright position remove carton and pallet from unit and inspect unit for damage Upon inspection of unit 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 copy to factory and other copy to Distributor Postage is prepaid CABINET REMOVAL 1 Locate and remove the 2 screws from under the front cover Lift cover forward and up to remove Lift up front edge of top cover Slide back about 1 2 inch and remove
22. d of time between cleaning and sanitizing the icemaker In addition to recom mended monthly procedure and if a more frequent cleaning and sanitizing pattern has not been estab lished unit must be cleaned and sanitized 2004 2009 IMI Cornelius Inc 7 Publication Number 6380852771NS Countertop Icemaker IMD Series Installation Manual gt SEMI ANNUALLY Semi Annually in addition to all previously established service procedures perform the following Check for water leaks in tube connections water fittings and lower icemaker water seal Check drain tubes for clogs and aged tubes Replace if tubes are stained or brittle Check for signs of condensation Clean where necessary and replace insulation properly Check safety circuits for proper operation Check refrigeration system Check unit for abnormal noise Tighten machine and cabinet screws if necessary Check white upper bearings on auger assembly If bearings are less than 1 16 thick replace See FIGURE 5 REPLACE 1 16 OK REPLACE FIGURE 5 UPPER BEARING AND AUGER ASSEMBLY NOTE Preventive maintenance can increase the trouble free life of your icemaker Failure to perform preventive maintenance could void your equipment warranty Publication Number 638085277135 8 2004 2009 IMI Cornelius Inc gt Countertop Icemaker IMD Series Installation Manual WATER LEVEL CONTROL How WATER LEVEL CONTROL W
23. erminals 1 and on overload No continuity replace overload Use a volt ohm meter See FIGURE 10 and FIGURE 11 NOTE Gear motor and related components can be checked from Pin Connector See FIGURE 12 2004 2009 IMI Cornelius Inc 15 Publication Number 6380852771NS Countertop Icemaker IMD Series Installation Manual gt Motor Check The resistance readings on the windings will be between 5 to 25 ohms A meter capable of these low readings must be used The Start Relay cover must be removed If no continuity on start or run winding test replace stator If continuity on grounded motor test replace stator FIGURE 12 PIN NUMBERS Publication Number 638085277INS 16 2004 2009 IMI Cornelius Inc Countertop Icemaker IMD Series Installation Manual SAFETY CONTROLS Your Icemaker unit has several safety and control devices incorporated into its design WARNING 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 WARNING DO NOT PRESS RESET IF REFRIG UNIT IS RUNNING OR ICE MAKER IS FROZEN FIGURE 13 Low water shut off reed switch located in icemaker float assembly Automatic reset type Gear motor thermal overload manual reset type red button on motor See FIGURE 13 Compressor thermal overload automatic reset type Main service switch located on top of the control box Hopper shut off
24. es 7 515571 ia Ert molut S as 7 Monthly Rhe reum diii bati 7 ct c balla bei ed 7 Semi Annual ene EE ER e etae debt 8 Water Level Control re Bo Ge eru RU E RR 9 How Water Level Control Works 9 Purpose of Water Level Control 9 To Replace Water Level 9 To Replace Water Level Safety 9 Level GOnrol ssc bao ue Memes qui neta n 9 Refrigeration System Adjustments 10 Expansi n Valves Ore eee PEE uua Bd 10 Adjustment and Troubleshooting 10 Condenser Modulating Valve 11 Condenser Modulating Valve 11 Gear Motor sig 12 Shaft Seal Installation and Replacement FIGURE 7 12 Auger amp Extruding Head Removal 13 Installation and Shaft Seal Replacement FIGURE 9 13 Upper Nut and Bearings
25. ger and extruding head The bearings are 3 32 thick When they wear below 1 16 they should be replaced Bearings to be inspected for wear during quarterly maintenance See FIGURE 8 2004 2009 IMI Cornelius Inc 13 Publication Number 6380852771NS Countertop Icemaker IMD Series Installation Manual gt To REPLACE BEARINGS NOOR 8 NOT Dispense all ice from unit Disconnect unit from electrical power Remove panels Unplug Dispense Motor and Ice Level Switch Remove four screws holding dispense cover in place Remove dispense cover assembly Use an open end wrench on auger nut connected to bearing and turn and turn counterclockwise to remove assembly Remove worn bearings Replace with new bearings and then reinstall assembly E If auger turns with nut remove cover on top of gear motor stator and hold rotor while loosening nut 9 Reconnect power to icemaker TROUBLESHOOTING COMPRESSOR Basically the compressor problems can be narrowed down to three areas of checkout 1 THE COMPRESSOR WILL NOT RUN No voltage to the compressor terminals check circuit Low voltage below 90 of nameplate rated voltage Problems in the compressor electrical circuit See Electrical Checkout Instructions THE COMPRESSOR STARTS BUT TRIPS REPEATEDLY ON THE OVERLOAD PROTECTOR Check for proper fan operation and clean condenser Check the compressor suction and discharge pressures
26. itize 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 Corp of Virginia Chemicals ice machine cleaner Mixture 3 1 3 ounces per gallon of water Do not use nickel safe cleaners 5 Turn machine on and add cleaner solution to water level control float reservoir until 2 gallons have been used 6 Turn on water supply and run machine for 15 minutes 7 Turn off machine and remove and discard all ice 8 Sanitize using household liquid bleach 50 ppm chlorine Mixture 1 fluid ounce per gallon room temperature water 2 minute exposure time 9 Sanitize pre cleaned inside areas of storage bin liner door frame door as well as exposed surfaces of the evaporator assembly and bin shutoff assembly with sanitizing solution and allow to air dry 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 blow from inside with air or gas If unit is provided with and air filter clean or replace 2 Inspect water feed reservoir at least once a month until a definite pattern for cleaning and sanitizing has been established QUARTERLY This is the maximum perio
27. lace the compressor if there is no continuity as the start windings are open 7 Check between amp R or S and shell of the compressor If there is continuity replace the com pressor as the motor is grounded 8 Check between screw terminal on the overload and on the compressor Check and repair the lead or connections if there is no continuity CAPACITOR CHECK 9 Check or replace start capacitor disconnect bleed resistor before checking for shorted capacitor 10 Check replace run capacitor if supplied check or shorted capacitor or either terminal grounded to case TROUBLESHOOTING GEAR Morons Basically Gear motor problems can be narrowed down to three areas of checkout The Gearmotor will not run 1 No voltage to the transmission terminals check external circuit 2 Low voltage check supply 3 Problems in the gear motor electrical circuit See FIGURE 12 The Gearmotor Starts but Trips Repeatedly on the Overload Protector 1 Voltage high or low voltage can cause the overload to trip 2 High Gear motor amperage draw see Specification Chart for ratings and Troubleshooting Guide The Motor Runs but Output Shaft does not Rotate 1 Replace defective gear motor CAUTION Be sure unit is disconnected from the power source Disconnect the transmission cable Overload Check 1 Allow motor to cool and reset overload if necessary 2 Remove motor end bell and stator if necessary 3 Check t
28. n a small area immediately ventilate the contaminated area before attempting to repair the leak Personnel exposed to high concentration of CO gas will experience tremors which are followed rapidly by loss of consciousness SHIPPING AND STORAGE CAUTION Before shipping storing or relocating the Unit syrup systems must be sanitized and all sanitizing solution must be purged from the syrup systems liquids after sanitizing must be purged from the unit A freezing ambient environment will cause residual sanitizing solution or water remaining inside the Unit to freeze resulting in damage to the internal components 2004 2009 IMI Cornelius Inc 1 Publication Number 638085277INS Countertop Icemaker IMD Series Installation Manual Models Condensing VAC Hz Ph Comp Fan Grmtr Refrigerant Circuit Unit RLA Amps Amps z Type Fuse IMD300 15A Air Cooled 115 60 1 6 0 82 2 12 R134a 15 IMD302 15A Air Cooled 220 240 50 1 3 5 1 6 12 R134a 15 IMD300 30A Air Cooled 115 60 1 10 1 1 2 28 R404A 20 IMD300 30W Water Cooled 115 60 1 10 1 N A 2 13 R404A 20 IMD301 30A Air Cooled 208 230 60 1 5 7 1 1 6 28 R404A 20 IMD301 30W Water Cooled 208 230 60 1 5 7 N A 1 6 13 R404A 20 IMD302 30A Air Cooled 220 240 50 1 5 3 0 5 1 6 28 R404A 20 IMD302 30W Water Cooled 220 240 50 1 5 3 N A 1 6 13 R404A 20 IMD600 30A Air Cooled 115 60 1 12 1 2 28 R404A 20 IMD600 30A Water Cooled 115 60 1 12 N A 2 14 R404A 20 IMD601 30A Air Cooled 208 230 60 1 7 7 1 1 6 28 R404A 2
29. ough to close valve during compressor stand by periods NOTE Cold water will absorb more heat faster than warm water The water flow will therefore automatically increase as inlet temperature increase FIGURE 6 ADJUSTMENT SCREW CONDENSER MODULATING VALVE REMOVAL 1 Disconnect power to unit then shut off water supply to condenser and reclaim refrigerant from sys tem 2 Remove inlet water line from Condenser modulating Valve Also remove tube from refrigerant high side line Remove Condenser Modulating Valve and bracket Remove valve from bracket Replace Condenser Modulating Valve by reversing Steps 2 thru 4 Recharge unit with refrigerant per nameplate Turn power and water ON to unit With unit running adjust modulating valve to proper setting Go through a complete system check 2004 2009 Cornelius Inc 11 Publication Number 6380852771NS Countertop Icemaker IMD Series Installation Manual gt GEAR The gear motor 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
30. r 638085277INS 12 2004 2009 IMI Cornelius Inc CGinelus gt Countertop Icemaker IMD Series Installation Manual AUGER amp EXTRUDING HEAD REMOVAL 1 2 3 4 e Disconnect unit from power supply Remove storage container cover and put aside Turn off water supply to icemaker After ice has melted from head take hold of the auger nut and lift straight up to disengage from ice maker When replacing the auger assembly make certain that both the auger engages the output shaft FIGURE 9 IMD 600 SHAFT SEAL INSTALLATION AND SHAFT SEAL REPLACEMENT FIGURE 9 1 2 Place shaft seal locator seat over gear motor output shaft embossed side down and push down until shaft seal seat rests flush on top of gear motor Place rubber coated ceramic seal important ceramic face up over output shaft and push down until seal rests on top of the shaft seal seat Lubricate rubber on ceramic seal with 06195 rubber lubricant Place shaft seal with carbon face down spring up over output shaft and push gently downward until seal rests on carbon face of the output shaft seal Place flat washer over output shaft and let rest on the output shaft seal Push down on the washer compressing the spring on the output shaft seal While holding the seals down in place slide the E ring into the groove on the output shaft UPPER NuT AND BEARINGS The upper bearings located on top of the auger is used to absorb the force between the au
31. through Filter Conditioner it uses up the cartridge unnecessarily and a saturated cartridge can starve the icemaker causing premature component damage Separate water supplies are recommended NOTE Unit must be installed per local plumbing code ELECTRICAL SUPPLY 1 Power Access Is provided by way of a 7 8 dia hole in both the base and the rear panel Route incoming power in conduit to icemaker electrical control box Make connections to wires provided in control box and ground lug screw Plug unused hole 2 Fused Line Should be a dedicated circuit checked and sized according to electrical rating shown on unit nameplate NOTE Unit must be installed per local electrical code Publication Number 638085277INS 4 2004 2009 IMI Cornelius Inc CGinelus gt Countertop Icemaker IMD Series Installation Manual DRAIN CONNECTION 1 Install splash panel on machine and hold in place with 2 screws Do not tighten at this time Remove drain tray mounting bracket from their shipping carton Clip the drain try mounting bracket onto the bottom of the splash panel in the brackets provided Hook the drain tray into the splash panel and onto the mounting bracket Push the drain elbow securely onto the drain tray Do not glue in place Complete drain hookup according to the instructions provided with unit nic Fitting Bend 10 raise waler level 4 Bend dawn lo lower water level
32. to nameplate and leak check If valve still malfunctions replace valve Use general refrigeration system practices when replacing and recharging unit After new valve is in place go through previous monitored adjustments and troubleshooting to be sure valve is functioning properly Publication Number 638085277INS 10 2004 2009 IMI Cornelius Inc Countertop Icemaker IMD Series Installation Manual NOTE On water cooled units adjust condenser modulating valve before troubleshooting expan sion valve CAUTION Very high discharge pressure is present in system Quick disconnects on your gages will minimize Danger and loss of refrigerant Comply with federal regulations for reclaiming refrigerant CONDENSER MODULATING VALVE The reason for using a water modulating valve is to supply the correct amount of water to the condenser to maintain the proper operating pressure in the refrigeration system high side The flow of water through the valve is increased as the high side pressure rises and decreases as high side pressure lowers To calibrate the amount of water flow with the refrigeration system high side pressure turn adjustment screw located on end of valve opposite of bellows see FIGURE 6 Turn screw counterclockwise to raise opening point Opening point of valve should be set to maintain proper operating pressure in refrig eration system high side Refer to Pressure Chart on Page 11 Closing point of valve should be set low en
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