ICEU060 - Ice-O
Contents
1. SERVICE AND INSTALLATION MANUAL ICE UNDERCOUNTER SERIES CUBERS MODEL ICEUOGO VALLE MULT j Sex a Mile High Equipment 11100 East 45th Ave Denver Colorado 80239 Part Number 9081291 01 Print Date 11 01 Introduction ICEUO60 To the owner or user This product manual is a source of information about the installation start up cleaning maintenance and repair of the product Table of Contents Introduction Page 1 Specifications Limitations Page 2 Installation Page 3 5 Initial Start Up Page 6 How It Works Component Description Page Component Location Page 8 How It Works Water System Page 9 How It Works Refrigeration Page 10 11 Operation And Adjustment Page 12 Sanitizing And Cleaning Page 13 service Diagnosis Page 14 Component Replacement Page 15 16 Wiring Diagram Page 17 18 Warranty Information Page 2 Note the warning symbol where it appears in this manual It is an alert for important safety information on a hazard that might cause serious injury Keep this manual for future reference AWARNING Ice O Matic 11100 E 45 Ave Denver Co 80239 800 423 3367 ICEU060 Service Parts Manual is available separately Part Number 9081291 02 Page 1 Specifications Ice O Matic ICEU060 Specifications 17 9 16 28 9 16 20 5 NAMEPLATE LOCATION MODEL SERIA2. Freeze Cycle Time 20 25 Minutes Defrost Cycle Time 2 3 Minutes Compressor Amps Freeze Cycle 3 6 to 4 3 Harvest Cycle 3 6 to 7 7 CORRECT SIZE TOO SMALL LITTLE OR NO ICE IN THE CENTER OF THE TOO BIG THICK BULGE OF SOLID ICE ON THE END Sanitizing And Cleanin Ice O Matic ICEU060 An Ice O Matic ice machine represents a sizable investment of time and money any company s business In order to receive the best return for that investment it MUST receive periodic maintenance It is the USER S RESPONSIBILITY to see that the unit is properly maintained The following is a list of recommended maintenance that will help keep the machine running with a minimum of problems Maintenance and cleaning should be scheduled at least every six 6 months General The periods and procedures for maintence are provided as a guide Cleaning will vary depending upon local water conditions and amount of ice used Each ice maker must be maintained individually in accordance with its own requirements Icemaker In Place Cleaning 1 Remove the ice from the bin 2 Remove the front panel 3 Rotate the control knob counterclockwise to the OFF position 4 Remove the curtain by pulling forward on the left end and then pulling the curtain to the left and out of the machine Lift up spray platform locate the stand pipe to the right of the opening and pull it out to drain the reservoir Replace the stand pipe spray platform
3. at that point If very dirty carefully pull the screen out and clean it Reassemble the water line to the icemaker Open the water shutoff valve Unplug the power cord to disconnect electrical power to the icemaker Remove the front panel Clean the air cooled condenser fins using a brush or vacuum cleaner or if needed coil cleaner A dirty condenser coil reduces the ice making capacity of this machine giao Page 13 Service Diagnosis Ice O Matic ICEU060 SYMPTOM POSSIBLE CAUSE SUGGESTED CORRECTION Unit will not run Blown fuse or breaker Replace fuse and check for cause of blown fuse or breaker Compressor cyles Low voltage Check voltage at the supply to the intermittenly building Check circuit for overloading Dirty condenser Clean the condenser Restricted air circulation Allow sufficient air circulation Non condensibles in system Evacuate and recharge with name plate Amount Cubes too small Cube size control too warm Check and adust for operation Partially restricted cap tube Recover charge install new drier evacuate weigh in new charge Moisture in system Same as above Overcharged Same as above Undercharged Same as above Check for leak Cloudy cubes Spray nozzle clogged Clean Needs cleaning Clean with approved ice machine cleaner Irregular size cubes some jets plugged Clean jets Some cloudy Shortage of water Check water supply Cubes too large Cube size control adjus
4. and curtain 6 Mix approximately ounces of approved ice machine cleaner with 1 5 quarts of warm 95 F 115 F potable water and pour this solution into the reservoir at the curtain base e Ice machine cleaner A WARNING acids These 7 Rotate the control knob the normal position Operate m pd the machine for 20 minutes urns If swallowe i 4 NOT induce vomiting 8 Then switch the toggle switch to the cleaning position Give large amounts of for about three minutes to release all the cubes from water or milk Call their Cups Physician immediately In Aic ole ids 1 9 Switch the cleaning toggle switch to the operation flush with water position and allow the machine to run for 30 minutes or until the next batch of ice is released 10 Pour hot water into the bin to melt the ice produced during cleaning and to clean out the drain Wipe the interior of the bin with mild soap and hot water rinse with cold water To sanitize prepare 72 ounce of approved EPA FDA sodium hypochloride food equipment sanitizer to 1 gallon of warm water to form a solution with 100 minimum to 200 maximum ppm free chlorine yield and repeat steps 3 10 except substitute the sanitizer solution for the ice machine cleaner solution 11 Replace the front panel Ice Maker Maintenance 1 Shut off water supply to the icemaker 2 Disconnect the water inlet tube from the connection at the back of the icemaker and check the screen
5. in the left hand side of the ice storage bin The icemaker should stop within a few minutes of having ice on that tube 11 Fill out the Warranty Registration and Customer Evaluation form and mail both to Ice O Matic 12 Make sure the user understands the operation and maintenance requirements for the icemaker Leave the service manual and name of the local Ice O Matic service agency with the user Page 6 How It Works Ice O Matic ICEU060 Component Description Cube Size Control The Cube size control is located in the front of the control box behind the front panel The sensing capillary tube of the cube size control is routed out of the control box into its bulb holder on the evaporator coil It is a reverse acting temperature control with double throw contacts Turning its Knob all the way counterclockwise also shuts off the icemaker Compressor Toggle Switch The compressor toggle switch is located on the side of the control box When moved to the ON position it makes a circuit to the compressor When moved to the OFF position the other components will still operate Water Pump The water pump operates during the freezing cycle only pumping water through the spray nozzles into the inverted spray cups Inlet Water Solenoid Valve The water solenoid valve located in the back panel of the unit is energized only during the harvest or cleaning cycles When energized it allows a metered amount of water to flow into the machine 21
6. to the drain connection at the icemaker A minimum slope of 74 inch fall per foot of horizontal run is recommended Install the drains per local code A vent is recommended on the highest point of the drain tube and the drain tubing must be rigid pipe DO NOT use flexible tubing POWER LEVEL THE SUPPLY UNIT WATER SUPPLY SHUT OFF M FIELD SUPPLIED DRAIN ADAPTER FIELD SUPPLIED Electrical Locate the nameplate on the lower rear panel and check that the location source voltage and Oy capacity are correct for this unit The unit is supplied with a grounded plug connection Under no circumstances must the ground post be altered or removed Be certain that the icemaker is connected to its own electrical circuit and is individually fused The maximum allowable voltage variation should not exceed ten percent of the name plate rating All external wiring should conform to the National State and local electrical code requirements Usually an electrical permit and the services of a licensed electrician will be required to install the receptacle Page 4 Installation Ice O Matic ICEU060 Final Check Is the cabinet level Have all the electrical and piping connection been made Has the voltage been tested and checked against the nameplate rating Is the unit plugged into a separate electrical circuit Is the water supply line shut off valve installed and is the water turned on Have the bin interior
7. 1 Operation and Adjustment ICEUOG60 The information shown below covers a wide range of air and water temperatures It is intended as a guideline only and is based on data compiled from NEW Clean units Allow a variation from each end of the range given Refrigeration System Pressures High Side Discharge End of Freeze Cycle 125 130 PSI Harvest Cycle 83 125 PSI Low Side Suction End of Freeze Cycle 1 3 PSI Harvest Cycle Max 120 PSI Adjustment Of The Cube Size Adjust only when cubes are too large or too small See the illustration at the right 1 Remove the front panel locate knob 2 To increase the cube size turn knob 1 8 turn clockwise To decrease the cube size turn the knob 1 8 turn counter clockwise 3 Observe the size of the cubes in the next two harvest cycles If more adjustment is needed continue adjustments until the correct size is obtained Adjustment Of The Bin Thermostat Control Adjust the bin thermostat when the icemaker turn off too soon ice level low or when it turns off too late ice storage bin overfills To increase the ice level in the storage bin 1 Rotate the bin thermostat adjustment screw located under the front panel on the control box cover clockwise 1 8 turn at a time until the ice level that the machine maintains is correct 2 Rotate the bin thermostat adjustment screw counterclockwise 1 8 turn at a time until the ice level is correct Page 12
8. GPM This water flows to the top of the evaporator and then down into the reservoir Bin Thermostat Control The bin thermostat control body is located in front of the control box just beside the cube size control The thermostat sensing tube is located in the ice storage bin on the left side wall and will automatically shut the icemaker off when the bin is full and restart when ice is removed Factory settings are 36 F cut out and 39 F cut in It can be adjusted by turning the adjustment screw visible through the control box cover Hot Gas Valve Assembly The hot gas valve assembly is comprised of two components the valve body and the coil These components are located on the discharge line of the compressor and are activated by the cube size control harvest cycle When the coil of the hot gas valve is energized it magnetically lifts the plunger in the hot gas valve body This allows hot refrigerant gas to by pass the condenser and go directly to the evaporator Spray Platform and Chute The spray system used on this unit is of the stationary type The water is forced by the water pump into the platform chamber and sprayed into the inverted cup molds through a set of six spray nozzles Fan Motor The fan motor is electrically connected through the cube size control and runs only during the freeze cycle Hermetic Motor Compressor The compressor is a vapor pump forcing refrigerant gas throughout the refrigeration system Reference Page 8
9. L 3 4 HOSE COUPLING THREAD 25 32 OD VOLT PHASE 2 2 2 2 AMP REFRIGERANT Oz Refrigerant Charge is 9 5 oz of R 134a Always go by the nameplate 1 76 5 4 24 Hour Bin Storage Basic Maximum Ref Type Model Number Capacity Capacity Electrical Fuse Size Ounces ICEU060 55 Ibs 28 Ibs 115 60 1 15 R134a 9 5 oz Operating Requirements Minimum Maximum Air Temperature 50 100 F Water Temperature 40 F 100 F Water Pressure 20 PSIG 100 PSIG Voltage 103 5 V 126 5 V Ice O Matic ice machines not designed for outdoor installations Machine requires voltage indicated on rating nameplate Failures caused by improper voltage are not considered factory defects Extended periods of operation at temperatures exceeding limitations constitutes misuse under the terms of the Ice O Matic Manufacture s Limited Warranty resulting in a loss of warranty coverage Specifications and design are subject to change without notice The ICEU060 ice machine has 3 year Parts Warranty and a 3 year Labor Warranty The Compressor and Evaporator have a 5 year Parts Warranty Ice O Matic recommends the installation of water filters Page 2 Installation Ice O Matic ICEU060 Location Prior consideration for the location of the ice machine shall include Installation location to be indoors with a minimum room temperature of 50 F and with a maximum room temperature of 100 F The incoming water temperature to the machine should be betw
10. and cabinet exterior been wiped clean Are all internal components in place including spray platform and curtain Have the internal refrigerant lines been checked for rubbing and chaffing Has the machine been installed indoors in a controlled environment with adequate air circulation around the machine and where it can be serviced POWER Io DOSE ED OM dE INN LEVEL DRAINS WATER Page 5 Initial Start Up Ice O Matic ICEU060 pup cs Open the water supply valve Move electrical breaker or switch to the ON position Remove the front panel Check the cube size control shaft it should be in a preset position If not rotate the control shaft clockwise until the unit comes on Note Cube size adjustments may be required Start with the shaft in the mid position The machine will go through a dry cycle this will take about 10 minutes The water fill and harvest cycle will begin Observe the water fill cycle water inlet valve opens Incoming water flows from the water valve through the tubing to the top of the icemaker Water flows around the inverted ice cube cups and drains through holes into the reservoir The reservoir begins to fill up with water Water continues to enter the machine and overflows a standpipe in the reservoir and down the drain This will take about 3 72 minutes After that the freeze cycle will begin Check the operation of the freezing cycle V Compr
11. e CURTAIN Component Layout Ice O Matic ICEUOG60 On Off Cube Size Terminal Board Bin Temp HI Temp Cut Contact Contacts Control Out x BK BE Ee BK 0 i S5 4 p eT een eg ee A i GR 2 Cleaning Switch Board Terminsal Unit shown in normal ice making mode w A a i 4e Um eel OU GR GR t GR ee m nec ee mm oam db ums dup D A dum Ar um am eee mv t 9 a 2 g 8 2 5 32 gt Y c 5 S 9 DE c gt 5 22 t o 4 17 Wiring Diagram Ice O Matic ICEUO60 Power Supply L Compressor Bin Temperature Control Cleaning Switch Hot Gas Solenoid Hi Temp Control On Off Contacts Evaporator Temperature Control Contacts Pump Motor Page 18
12. een 40 F and 100 F service Access Allow enough space at the rear of the cabinet for the utility connections Allow enough space for the machine to be pulled out from its installed location Do not build a floor in front of the machine that would prevent its removal Air Circulation The front panel must remain unobstructed Do not block the front panel area with any type of door or curtain The air intake is on the right hand side of the front panel and the exhaust is on the left side of the front panel and the cabinet left hand side panel If the unit in installed in a built in cabinet position the machine so that the left side of the unit is tight against the cabinet IF BUILT IN THIS SIDE SHOULD BE TIGHT AGAINST THE CABINET TO PREVENT AIR RECIRCULATION COOL AIR INTAKE FECE COPIA WARM AIR DISCHARGE Page 3 Installation Ice O Matic ICEU060 Water Supply and Drain Connection 1 2 3 4 WATER FILTER The recommend water supply line is 74 inch O D copper tubing The minimum incoming water pressure should be 20 psig Connect the water supply tubing to the water inlet fitting 3 4 hose thread at the rear of the icemaker An optional adapter 1 4 compression x hose thread is available under part number 1011337 43 or from a local hardware store Install a water shutoff valve on the incoming water line near the icemaker so that the water can be shut off for service Connect a gravity drain line
13. essor is running V Water pump is spraying water through the spray nozzles v Ice making begins ice begins to form the cube molds Check that the plastic curtain assembly hangs down evenly in the opening and that no large streams of water are passing through Note Some water will drip from the reservoir as the machine runs this is normal After about 20 minutes the machine will begin to release ice This is called the harvest cycle Observe the first cube harvest V Check the size of the ice cubes Note The normal size of the ice cube has a inch depression in the wide end If the cubes are not filled out adjust the machine to make larger ice cubes by turning the cube size control shaft clockwise If the cubes are overfilled adjust the machine to make smaller ice cubes by turning the cube size control counter clockwise In both cases the next cycle of cubes harvested must be observed and further corrections may be needed If the ice cubes are cloudy an extreme water condition may exist Confirm that they are cloudy by placing them in a glass of cold water If in the water they remain cloudy you may want to have the water tested by a water treatment specialist If the cubes are cloudy only on the bottom or in the center of the cube the machine may be running out of water before the end of the freeze cycle 10 Test the bin full shut off To test this hold some ice on the bin thermostat bracket the stainless steel tube
14. for Component Location Page 7 ICEUOGO Ice O Matic Component Location SPRAY PLATFORM EVAPORATOR RESERVOIR FILL TUBE _ WATER PUMP WATER RESERVOIR BIN DRAIN CONTROL BOX 2 dz zo F High Temp Cut Out HOT GAS VALVE COMPRESSOR CLEAN OPERATE SWITCH Page 8 How It Works Ice O Matic ICEUO60 Water System Freezing Cycle The refrigeration process creates cold temperatures within the evaporator coils and removes heat from the water sprayed up into the inverted ice cube cups When enough heat is removed the water changes into ice and forms where it is the coldest in the ice cube cups Minerals contained in the supply water will not freeze and are drained away Mostly pure water will be frozen into the ice cubes During the freezing cycle the compressor fan motor and water pump are operating Water is continuously freezing or being sprayed and recirculated When the evaporator temperature is lowered to the cold temperature setting of the cube size control it ends the freezing cycle and starts the harvest cycle Harvest Cycle The hot gas valve opens and hot refrigerant gas is discharged into the evaporator The inlet opens and a fresh supply of water flows to the top of the evaporator and then drains into the reservoir The ice cubes have been released from the inverted cube cups in the evaporator by the warming effect of the hot refrigeran
15. l Shock Hazard Disconnect electrical power before beginning Spray Platform Unplug the icemaker to disconnect electrical power Open ice bin door Pull out on the left side and remove curtain assembly Lift the spray platform up and pull out to get to the water hose at the base of the platform Pull hose off of connection to spray platform and pull platform from the icemaker To replace reverse the removal procedures Inlet Water Valve 1 Unplug the icemaker to disconnect electrical power Shut off water supply to icemaker 3 Remove the lower back panel pull out to expose inlet water valve 4 Disconnect electrical wires from the inlet water valve 5 Disconnect water lines to and from the water valve 6 7 Remove the valve from the icemaker INLET WATER x2 Reverse removal procedure to replace VALVE mu Water Pump 1 Disconnect the electrical wires from the cube size control 2 Remove the top panel 3 bin door pull up from the top and remove 4 Remove curtain by pulling forward and out on the left end 5 Remove 2 screws holding pump bracket to right side panel 6 Disconnect 2 electrical leads and 1 ground wire from the pump 7 Pull out spray platform lift pump and disconnect hose 8 Pull water pump up and out of icemaker 9 Dismount water pump from cover assembly retaining brackets and remount the replacement pump in its place 10 Reverse removal procedures to replac
16. r is compressed and flows from the compressor through the discharge line as a high temperature high pressure gas Before the gas gets to the condenser it goes through a strainer The strainer outlet is connected to two tubes one which leads to a hot gas valve solenoid When this valve opens the refrigerant gas follows the path of least resistance and flows through the tubing from the hot gas valve to the evaporator where the ice cubes are frozen At the evaporator the high temperature gases are cooled by the cold temperatures of the cube mold and condense onto liquid transferring heat to the mold which warms up and releases the cubes The refrigerant now a low pressure low temperature vapor flows into the accumulator which traps excess liquid refrigerant The vapor now primarily a gas goes through the suction line tube to the compressor where the cycle is repeated LIQUID LINE ANN xr EVAPORATOR VEA ACV U ACCUMULATOR CAPILLARY TUBE SUCTION LINE CONDENSER DISCHARGE LINE HOT GAS SOLENOID Atty d Ya n n D S e 3 fy 4 zB 5 c kl L4 5 n Fd M 54 Fo m D 4 a m 2 5 tle 5 er oce ete i COMPRESSOR STRAINER FILTER DRIER Page 1
17. rom the refrigerant to the air passing through the condenser The refrigerant then condenses into a high pressure liquid From the condenser the liquid refrigerant flows through the liquid line and the liquid line filter drier After the filter drier the liquid refrigerant enters the metering device a capillary tube After passing the restriction of the capillary tube the refrigerant enters an area of relative low pressure the evaporator In the tubing of the evaporator the liquid refrigerant expands and evaporates absorbing heat from the evaporator tubing and anything in contact with it such as water sprayed against it The refrigerant now a low pressure low temperature vapor flows into the accumulator which traps excess liquid refrigerant The vapor now primarily a gas goes through the suction line and back to the compressor EVAPORATOR ACCUMULATOR CAPILLARY TUBE SUCTION DISCHARGE CONDENSER LIQUID LINE h LI LI LI h L4 H 49 y CEE renee ee alll LL die P dd d ag M P H T QC P 5 STRAINER COMPRESSOR FILTER DRIER Page 10 How It Works Ice O Matic ICEUO60 Refrigeration System Harvest Cycle When the cubes are released The ice cubes have been formed in an inverted mold that was refrigerated Now the refrigeration system will change to warm the cube mold and release the cubes The process begins at the compressor There refrigerant vapo
18. t gas condensing in the evaporator tubing plus the incoming water flowing around the inverted cups The released ice cubes drop onto the spray platform and through the curtain assembly into the ice storage bin The cube size control thermostat senses the WATER TO warmer temperatures of the harvest cycle and EVAPORATOR at a preset temperature opens the circuit to the hot gas and inlet water valves Both valves then close WATER SPRAY EE n uu The harvest cycle is complete and the freezing cycle restarts WATER yy OY PUMP ON DURING The automatic ice making process continues FREEZE until the bin is full of ice and the bin thermostat NEET senses a colder temperature WATER VALVE OPEN DURING The bin thermostat then opens the circuit to all HARVEST components and the automatic ice making process stops E REAA pe EN M diy i Page 9 How It Works Ice O Matic ICEUO60 Refrigeration System Freezing Cycle The ice cubes are formed in an inverted mold that is refrigerated The refrigeration process begins at the compressor There refrigerant vapor is compressed and flows from the compressor through the discharge line as a high temperature high pressure gas In the discharge line there is a strainer with two outlets one leads to the condenser and the other one to the hot gas valve Because the hot gas solenoid is closed the gas flows to the condenser where heat is transferred f
19. ted Check and adjust for proper operation improperly Decreased ice capacity Inefficient compressor Replace compressor Low ice capacity Leaky inlet water valve Replace water valve Non condensibles in system Replace the refrigerant High head pressure Dirty condenser Worn fan motor High air or water temperatures High air or water temperatures Relocate machine or water line Overcharged Replace the refrigerant Restricted system Replace the drier and refrigerant Poor harvest Short defrost cycle Replace the cube size control Not enough water Check water supply Hot gas valve does not work Replace hot gas valve Inlet water valve plugged Replace inlet water valve Air and water temperature too low Relocate machine or water line No harvest Cube size control does not work Replace cube size control Hot gas valve does not work Replace hot gas valve Inlet water valve does not work Replace inlet water valve Excessive water in ice Bin drain plugged Clean bin drain storage bin Page 14 omponent Replacement Ice O Matic ICEUOG60 AWARNING Electrical Shock Hazard Disconnect electrical power before beginning Bin Thermostat Oo Ics 7 Unplug the icemaker to disconnect electrical power Remove screws and cabinet front panel Remove screws and the control box cover disconnect electrical wires from the bin thermostat control Dismount the bin thermostat from the control bo
20. x Remove the rear panel Pull the bin thermostat capillary line from the tube in the ice storage bin Remove complete control from ice machine Replace with a new control in reverse order of removal Cube Size Control 1 2 3 5 6 Unplug the icemaker to disconnect electrical power Remove screws and cabinet top front and rear panels Pull knob from the cube size control shaft Remove screws and control box cover to gain access to the cube size control body Remove screws and dismount the cube size control from the control box Disconnect the electrical wires from the cube size control Cube Size Control Tube Locate and Secure in its Original Cube Size Control At the top of the machine unclip the cube size thermostat tube holder from the evaporator retain the clips and tube assembly Pull the cube size control capillary tube from the tube holder and remove the complete cube size control from the icemaker Insert new cube size control capillary tube into the tube holder insure that the end caps are in place Reverse the removal procedures to reinstall the cube size control Adjust as necessary Refrigeration System Any time the refrigeration system is opened the drier must be replaced the system evacuated and the exact charge measured into the system Any other procedure is incorrect and will result in substandard performance Page 15 Component Replacement Ice O Matic ICEUOG60 AWARNING Electrica
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