Ice-O-Matic CIM0320 Technical & Service Manual Download

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Ice-O-Matic
11100 East 45th Avenue
Denver, Colorado 80239
1-800-423-3367

1/2018

ELEVATION SERIES CUBE ICE MAKER

CIM Modular Cubers
CIM0320 - CIM1136

Technical Service Manual

Summary of Contents for CIM0320

Page 1: ...Ice O Matic 11100 East 45th Avenue Denver Colorado 80239 1 800 423 3367 1 2018 ELEVATION SERIES CUBE ICE MAKER CIM Modular Cubers CIM0320 CIM1136 Technical Service Manual ...

Page 2: ...CE 27 BUTTON FUNCTION 33 SUMP 34 HIGH AND LOW FLOAT SWITCHES AND HOUSING 36 WATER PUMP 39 WATER DISTRIBUTION TUBE 41 WATER INLET VALVE 43 PURGE VALVE 44 HARVEST ASSIST ASSEMBLY HOT GAS VALVE 45 EVAPORATOR 46 MAGNETIC CURTAIN SWITCH 50 HIGH PRESSURE CUT OUT FAN CYCLE CINTROL 51 HIGH TEMPERATURE SAFETY 52 FAN MOTOR AIR COOLED 53 REFRIGERATION SECTION 54 GENERAL MAINTENANCE 56 CLEANING AND SANITIZING...

Page 3: ...ELEVATION SERIES CIM CUBERS TABLE OF CONTENTS ...

Page 4: ...een unpacked make a written request for inspection by the carrier within 5 days of the delivery date then file a claim on a form from the carrier FILE CLAIMS WITHOUT DELAY DO NOT RETURN DAMAGED GOODS TO ICE O MATIC How to use this Manual Ice O Matic provides this manual as an aid to the Refrigeration Service Technician for installation and maintenance of the CIM cube ice machines Do not attempt to...

Page 5: ...st be run to the condenser The water supply for the machine can T off from the condenser line using 3 8 inch O D minimum tubing Make 2 coils of extra tubing so that the machine can be pulled away from the wall if service is needed Water Filtration Treatment A water filter system should be installed with the ice machine Refer to Ice O Matic water filter specification sheet Reverse Osmosis RO water ...

Page 6: ...re the machine is on a dedicated circuit European installations require that the electrical supply fixed wiring must be provided with a disconnect means having a separation of at least 3mm in all poles The ice machines are provided without an electrical cord set and are designed and agency approved to be permanently connected Units are not approved for GFI outlets Caution Electrical connection mus...

Page 7: ... to connect the ice machine to the remote condenser Select the best available location protecting the remote condenser from extremes of dirt dust and sun Meet all applicable building codes The services of a licensed electrician may be required Roof Attachment Install and attach the remote condenser to the roof of the building using the methods and practices of construction that conform to the loca...

Page 8: ...ote Condenser manual The following remote ice makers incorporate the Mixing Valve in the Condenser This configuration allows up to a 100 foot calculated remote line set run Reference the diagram on the next page to calculate the maximum 100 ft line set run Maximum actual line set run is limited to 100 ft Add 1 4 oz of refrigerant for each actual foot from 75 to 100 ft actual line set run Verify th...

Page 9: ...ples Formula for maximum equivalent run RISE X 1 7 DROP X 6 6 HORIZONTAL RUN CALCULATED LINE RUN NOT TO EXCEED 100 CALCULATED FEET Rise 35 ft x 1 7 40 ft 99 5 equivalent feet line run Drop 10 ft x 6 6 34 ft 100 equivalent feet line run 40 ft horizontal 35 ft rise 34 ft horizontal 10 ft drop ...

Page 10: ... Hole for electrical connections 7 8 D Electrical junction box 7 8 CIM 2 W R Water Remote Cooled A Ice maker potable water in 3 8 FPT B Ice maker water out 3 4 FPT C Hole for electrical connections 7 8 D Electrical junction box 7 8 remote E Condenser water in 3 8 FPT water only Discharge line 1 2 male quick connect coupling for pre charged line set remote only F Condenser water out 1 2 FPT water o...

Page 11: ... Hole for electrical connections 7 8 D Electrical junction box 7 8 CIM 3 W R Water Remote Cooled A Ice maker potable water in 3 8 FPT B Ice maker water out 3 4 FPT C Hole for electrical connections 7 8 D Electrical junction box 7 8 remote E Condenser water in 3 8 FPT water only Discharge line 1 2 male quick connect coupling for pre charged line set remote only F Condenser water out 1 2 FPT water o...

Page 12: ...plained in this section Bridge Thickness Adjustment Once the unit has gone through a harvest cycle verify the bridge thickness 3 16 thick for units less than 400 lbs and 1 8 for 400 lbs and above across the middle of the ice slab on the second batch produced The ice thickness can be changed on the Float Housing by turning the adjustment clockwise to decrease the bridge thickness and counter clockw...

Page 13: ...s as shown above The LED s for the Curtain Switches 1 2 High Float Switch and Low Float Switch will be illuminated indi cating closed circuits Should the Curtains or Bin Thermostat if added be open the unit will not start a Freeze Cycle From an OFF status the unit can start a CLEAN cycle a FREEZE cycle or be put in the DIAGNOSTIC mode For Cleaning Instructions see page 56 For more on the DIAGNOSTI...

Page 14: ...the water rises the contacts in the Low Water Float will open Switch LED off The Water Inlet Valve will remain energized until the High Water Float contacts open Switch LED off The Water inlet Valve will be de energized R4 LED on Board off Note Minimum Freeze Cycle 5 minutes from Compressor Start Maximum Freeze Cycle 1 hour BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW IlluminatedLED WHITE WHITE BLU...

Page 15: ...RT The Hot Gas Valve will be energized R3 on Board illuminated for 5 seconds and the system pressures will start to equalize BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage Components R1 R2 R3 R4 R5 R6 ...

Page 16: ...or will be energized R2 on Board illuminated and the Hot Gas Valve will remain open for 5 more seconds and then de energize R3 on Board off BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage Components R1 R2 R3 R4 R5 R6 ...

Page 17: ... Chill for 30 seconds bringing the Evaporator temperature down Both Curtain Switch LED s are on showing closed curtain s Even though R1 is energized the Fan Motor will only come on once the Fan Cycle Switch closes at 250 psi of head pressure BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage Components R1 R2 R3 R4 R5 R6...

Page 18: ...is pushed through the Water Pump Tube and flows over the Evaporator The High Float Switch contacts close as the water level in the Sump drops High Float Switch LED on Board illuminates BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage Components R1 R2 R3 R4 R5 R6 ...

Page 19: ...ater Pump will shut off for 20 seconds to reduce the possibility of slush developing in the Sump After the first 3 cycles Anti Slush will only occur if the Sump water temperature reaches 28 degrees F BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage Components R1 R2 R3 R4 R5 R6 ...

Page 20: ...gized and water starts flowing over the Evaporator again The unit will stay in this mode until the Low Float Switch closes on water level drop indicating the unit is ready to harvest BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage Components R1 R2 R3 R4 R5 R6 ...

Page 21: ... drops to close the contacts of the Low Float Switch LED on Board illu minates after a 5 second de bounce of the switch will signal the start of the Harvest Cycle BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage Components R1 R2 R3 R4 R5 R6 ...

Page 22: ...Valve AND Water Inlet Valve R2 R3 R4 R5 and R6 are illuminated on Air and Water Cooled units ALL Relays are energized on Remotes The Purge Valve will close after 7 seconds NOTE Minimum Freeze time is 20 seconds Maximum freeze time is 5 5 minutes BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage Components R1 R2 R3 R4 R...

Page 23: ...the next Freeze Cycle R2 R3 and R4 are illuminated on Air and Water Cooled units R1 is also energized on Remotes The Low Float Switch will go off as the water level rises The Hot Gas Valve and Harvest Assist will remain energized for the remainder of the Harvest Cycle BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage C...

Page 24: ...ot Gas Valve and Harvest Assist will remain energized until the ice slab is harvested from the Evaporator At this point the unit is reading the Curtain Switch s and or Bin Thermostat if added BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage Components R1 R2 R3 R4 R5 R6 ...

Page 25: ...ELAY LED s R1 R6 will go off If the storage is not full the unit will restart the next cycle See pg 28 Anytime the unit is turned off or cycles off on a full bin due to aCurtain Switch being open for 30 seconds and or an added Bin Thermostat remaining open for 90 seconds the unit will not restart for 3 minutes preventing a Compressor short cycle BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illumina...

Page 26: ...ating the Harvest Cycle With a closed Curtain and Bin Thermostat if added the unit will restart the Freeze Cycle The Compressor R2 and Fan s R1 will continue opera tion as the Water Inlet Valve R4 is energized to fill the Sump until the High Water Float opens BROWN BLUE VIOLET BLACK RED TAN PINK YELLOW Illuminated LED WHITE WHITE BLUE w WHITE BLUE w RED BLUE 12V DC Switches Line Voltage Components...

Page 27: ...n to assist the tech nician in understanding and troubleshooting issues that may arise See Sequence of Opera tion pg 9 for operational information Control Board Features Adjustment Switch Block R1 R2 R3 R4 R5 R6 12V DC Molex for Control Switch Line Voltage Molex for Energizing Components Thermistor Molex Bin Stat Connection Control Relays Power Button and LED Clean Button and LED ...

Page 28: ... reads the unit has a Remote Condenser The Configuration 1 and both Fill Con figuration LED s are not used as of the printing of this manual Thermistor Molex The Thermistor is used to guage the water temperature in the Sump and is used to activate the Anti Slush Cycle When the water temperature reaches 36 degrees F during the first 3 cycles fol lowing a full bin situation being restarted after a l...

Page 29: ... 1 POWER LED QUICK FLASH RED Unit has experienced a MAX Freeze 1 hr MAX Harvest 5 5 minutes or BOTH Error 2 POWER LED SLOW FLASH IN OFF STATE ONLY Thermistor Failure Error 3 POWER LED RED AND CLEAN LED YELLOW QUICK FLASH Unit has experi enced a MAX Fill 5 min or MAX Purge 2 min Minimum Maximum Times Freeze 5 Minute Minimum 1 Hour Maximum Standard Harvest 20 Second Minimum 5 5 Minute Maximum Water ...

Page 30: ...ELEVATION SERIES CIM CUBERS BOARD COMPONENT LED SEQUENCE 27 BOARD LED SEQUENCE DURING OPERATION INITIAL FREEZE CYCLE AT START UP ...

Page 31: ...ELEVATION SERIES CIM CUBERS BOARD COMPONENT LED SEQUENCE 28 BOARD LED SEQUENCE DURING OPERATION INITIAL HARVEST CYCLE AT START UP ...

Page 32: ...ELEVATION SERIES CIM CUBERS BOARD COMPONENT LED SEQUENCE 29 BOARD LED SEQUENCE DURING OPERATION TRANSITION FROM HARVEST TO FREEZE ...

Page 33: ...ELEVATION SERIES CIM CUBERS BOARD COMPONENT LED SEQUENCE 30 BOARD LED SEQUENCE DURING OPERATION BIN FULL CURTAIN OR STAT ...

Page 34: ...N SERIES CIM CUBERS BOARD COMPONENT LED SEQUENCE 31 BOARD LED SEQUENCE DURING OPERATION DIAGNOSTICS IN FREEZE CYCLE The Diagnostic sequence is started by pressing both the Power and Clean buttons for 6 seconds ...

Page 35: ...ELEVATION SERIES CIM CUBERS BOARD COMPONENT LED SEQUENCE 32 BOARD LED SEQUENCE DURING OPERATION DIAGNOSTICS IN HARVEST CYCLE ...

Page 36: ...ELEVATION SERIES CIM CUBERS BUTTON FUNCTIONS 33 ...

Page 37: ...r the Evaporator and accessible from the front of the unit The Sump must be removed to access the Water Pump and the Float Switch Housing Sump Removal First remove the Splash Curtain and Splash Guard Disconnect Water Pump Tube as shown above and tuck backside of tube into the Sump Splash Guard Splash Curtain SUMP ...

Page 38: ... the frame allow the back of the Sump to fall clear of the frame Again lift the front of the Sump and push towards the back and down until Sump is clear of the frame Turn the Sump sideways and remove through the ice drop zone To re install reverse process making sure to tuck Water Pump Tube into Sump as lift Sump into place Support Tab SumpRetainer ...

Page 39: ...itch will be ON when the contacts of the switch are closed and will turn OFF when the contacts open The Low Float Switch is used to determine when the unit is ready to go into the Harvest Cycle during ice pro duction and when the Sump has been emptied of cleaner or sanitizer during the Cleaning Cycle The LED associated with the Low Float Switch operates the same as the LED for the High Float Switc...

Page 40: ...s on the Board will go OFF This can be verified by removing the Sump and checking first the LED s on the Board Without the presence of water both floats should be in the down position and the LED s on the Board should be illuminated If one or both LED s are OFF disconnect the Float Switches at the connectors along with the Thermistor and remove the Float Housing by gently pulling down on it from t...

Page 41: ...k when measured across the middle of the plate Minor Adjustments can be made to the bridge thickness by moving the Water Level Adjustment Arm of the Float Housing up for a thinner bridge or down for a thicker bridge This adjustment can be made at any time during the freeze or defrost cycle and the results verified on the following cycle Thicker Bridge Thinner Bridge Splash Curtain Sump ...

Page 42: ...is filled see Cleaning Instructions pg 56 Troubleshooting If Relay 6 LED is ON but the Water Pump does not run verify line voltage between the Yellow and Blue wires on the Molex If line voltage isn t found verify connection of Molex to Board and re verify If no voltage is found the issue is the Board If line voltage is found verify line voltage at Water Pump connector If no voltage found the issue...

Page 43: ...t and turn counter clockwise When the foot points towards the right rear corner you will feel the weight of the pump as the collar clears the base connections Lower the Water Pump and discon nect Re install the Water Pump by first making the electrical connection the push Pump up pointing the Foot at the right rear corner and turn clockwise to secure ...

Page 44: ...prays the water up into the outer tube relieving the pressure on the water Gravity takes over and the water runs out the outer tube holes pointed down The water runs smoothly and evenly over the Evaporator Removal and Disassembly Disconnect Water Pump Tube from Water Distribution Tube Gentle squeeze the tabs inward on the Water Distribution Tube and forward towards the front of the unit ...

Page 45: ...UBER WATER DISTRIBUTION TUBE 42 The Water Distribution Tube comes apart easily It should be taken apart and cleaned regularly along with the rest of the unit The pieces are Pokeyoke meaning it only goes back together one way ...

Page 46: ...during the rinse and purge portion of the cycle see Cleaning Instructions pg 56 Troubleshooting The maximum fill time allowed to open the contacts of the High Float Switch is 5 minutes If Relay 4 is illuminated and the Water Inlet Valve doesn t open verify water supply to the unit then check for line voltage between the Tan and Blue wires on the Molex If line voltage is not present the issue is th...

Page 47: ... Evaporator The Valve should open when energized by Relay 5 on the Board LED ON during the Harvest Cycle to help empty the mineral laden water and during the Cleaning Sanitizing Cycle If Purge Valve fails to open with Relay 5 LED illu minated unplug Connector at coil of Valve and check for line voltage If none is found check output voltage at Molex at Board between Pink and Blue wires If no voltag...

Page 48: ...d and the Harvest Assist will automatically return to the starting position Troubleshooting The Harvest Assist Assembly is energized with the Hot Gas Valve throughout the Defrost Cycle by Relay 3 To quickly verify operation put the unit into Diagnostics program by pressing both the Power and Wash buttons for 6 seconds then quick press BOTH the Power and Clean buttons until the Harvest Cycle is ini...

Page 49: ...e Evaporator have a rust color after a thorough cleaning the plating may have come off and a replacement may be required A dull rainbow shimmer may indicate an improper cleaner was used on the unit Only approved Nickel Safe ice machine cleaner should be used An improper ice formation can be caused by a water or refrigeration issue A dirty water system can cause poor water flow over the Evaporator ...

Page 50: ...tain Connectors Remove the Splash Curtain Evaporator Cover Top Evaporator Cover Water Distribution Tube Water Pump Tube and its connector Sump Water Pump and Float Switch Housing Assembly On the rear of the Evaporator Assembly disconnect Harvest Assist Assembly Purge Valve and Purge Tube and remove from unit Harvest Assist Assembly Purge Valve Clip Zip Ties holding Service Port tubes to rear of Ev...

Page 51: ...ELEVATION SERIES CIM CUBERS EVAPORATOR REPLACEMENT 48 ...

Page 52: ...from the Evaporator by removing the five 1 4 Screws on the Left Hand side of the Evaporator Remove Curtain Switch on Right Hand side of Evaporator and place on new Evaporator and mount Left Hand Side surround on new Evaporator Remove old silicone from base where shown in picture Run a 3 8 bead of silicone included with Evaporator kit to replace existing where surround and Evaporator meet on the ba...

Page 53: ... when illuminated Magnet Connector Troubleshooting Should the LED s on the Board be off when the Splash Curtain is closed first verify the magnet is in place on the Splash Curtain and the Wiring Harness is properly connected at the Switch and at the Board If all is verified use a different magnet against the switch If it still will not close replace the Magnetic Curtain Switch Curtain Switch LED s...

Page 54: ...trol re closes at 350 psig Should the control open during the Freeze Cycle the unit may go into Error 1 state indicating the Freeze Cycle has run for more than 1 hour To quickly check the unit operating pressure run a Diagnostic Cycle with stub gauges on the unit A dirty or blocked Condenser failed Fan Cycle Control failed Fan Motor high side restriction or refrigerant over charge can be the cause...

Page 55: ...degrees F the con tacts of the Safety will close allowing power to the Contactor Troubleshooting Should the Compressor not run with the R2 relay LED illuminated verify if High Pressure Cutout is closed and Contactor coil is good The discharge line from the Hot Gas Valve should be cool to the touch during a freeze cycle With a line temperature below 120 degrees F confirming hot gas valve is closed ...

Page 56: ...ting the Board is calling for the Fan Motor to run If the unit is in the Freeze Cycle and the LED is not illuminated the issue may be the board If it is illu minated check voltage between the Violet and Blue with a meter Line voltage should be shown If inappropriate voltage is shown verify Molex connection at the Board and correct if loose If still no voltage out replace the Board If voltage is ve...

Page 57: ...ystems operating pressures when diagnosing any refrigeration component The Compressor should pull within 10 of the RLA when measured 5 minutes into the Freeze Cycle and greater than 70 of RLA during the Freeze Cycle to be considered efficient Thermostatic Expansion Valve The Thermostatic Expansion Valve meters refrigerant through the Evaporator Troubleshooting Expansion Valve First verify proper s...

Page 58: ...ent If less than 10 degrees F the Valve is leaking and should be replaced See also pg 44 Liquid Line Solenoid The Liquid Line Solenoid opens to allow refrigerant to flow from the Receiver on Remote Sys tems It is energized by R1 along with the Remote Fan Motors Diagnosis of Liquid Line Solenoid is much the same as the Hot Gas Solenoid Valve see above Mixing Valve The 220 psig Mixing Valve or LAC I...

Page 59: ...ickness and adjustment procedure 3 Check water level in Sump See page 10 for proper water level and adjustment procedure 4 Clean the condenser air cooled machines to ensure unobstructed air flow 5 Check for leaks of any kind water refrigerant oil etc 6 Check the bin control switch if applicable for proper adjustment 7 Check the Water Regulating Valve water cooled machine for proper adjustment by m...

Page 60: ...er such as Nu Calgon IMS III or equivalent diluted per manufacturer s instructions Please refer to www iceomatic com for approved chemical formulations and proper pH balance CAUTION Do not mix cleaner descaler and sanitizer together Note Electrical power will be ON when performing the following cleaning instructions 1 Remove all ice from storage means to prevent any contamination of ice in storage...

Page 61: ...ner descaler or sanitizer wipe down with a clean soft cloth the Evaporator Water Spillway Water Distributor upper Evaporator Cover lower Evaporator Curtain and all splash surfaces Verify that all residue and residual minerals have been removed 16 If a full clean of water components is required this can be done by referring to the service manual for water system component breakdown This is recommen...

Page 62: ... keeping your machine looking like new 1 Clean the stainless steel and aluminum thoroughly once a week Clean frequently to avoid build up of hard stubborn stains Hard water stains left to sit can weaken the metals corrosion resistance and lead to rust or corrosion Use a nonabrasive cloth or sponge working with not across the grain 2 Do not use abrasive tools to clean the metal surface Do not use s...

Page 63: ...f the evaporator s If ice is being made initiate harvest by pressing the Power Button for approximately 3 seconds The unit will shut off automatically following the harvest 3 Disconnect the tubing between the water pump discharge and water distribution tube and drain any water 4 On water cooled machines hold the water regulating valve open by prying upward on the water valve spring with a screwdri...

Page 64: ...1 70 13 5 R 404a 132 CIM0535A 220 240 50 1 50 30 175 400 5 025 5 65 18 21 20 11 2 16 6 11 38 8 5 R 404a 22 CIM0535W 220 240 50 1 50 30 250 5 025 5 65 16 19 19 5 190 11 16 5 38 8 5 R 404a 13 CIM0535R 220 240 50 1 50 30 220 400 5 025 5 65 17 20 20 12 20 6 31 38 8 5 R 404a 132 CIM0635A 220 240 50 1 50 30 175 400 5 025 5 65 16 19 20 8 1 16 5 72 37 5 8 R 404a 22 CIM0636A 208 230 60 1 50 30 175 400 5 02...

Page 65: ...ELEVATION SERIES WIRING DIAGRAM 62 CIM0320 0330 0430 0436 0520 0530 0636 0836 and 1136 AIR AND WATER COOLED UNITS ...

Page 66: ...ELEVATION SERIES WIRING DIAGRAM 63 CIM0325 0335 0435 0525 0535 0635 0835 and 1135 AIR AND WATER COOLED UNITS ...

Page 67: ...ELEVATION SERIES WIRING DIAGRAM 64 CIM0530 0636 0836 1126 and 1136 REMOTE COOLED UNITS ...

Page 68: ...ELEVATION SERIES WIRING DIAGRAM 65 CIM0535 0835 and 1135 REMOTE COOLED UNITS ...

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