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Manitowoc CVDF0600, Technician'S Handbook

The Manitowoc CVDF0600 Technician's Handbook is an essential manual for technicians working with the CVDF0600 model. Easily accessible for free download from our website, this comprehensive guide provides in-depth instructions, troubleshooting tips, and essential maintenance information. Get the most out of your Manitowoc CVDF0600 with this indispensable resource.

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Part Number: 000015431 Rev01 5/19

Electronic Control Board

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Summary of Contents for CVDF0600

Page 1: ...Part Number 000015431 Rev01 5 19 QuietQube Series Ice Machines Technician s Handbook ...

Page 2: ......

Page 3: ...towocice com for manual updates translations or contact information for service agents in your area This equipment uses high voltage electricity and contains refrigerant charge Installation and repairs are to be performed by properly trained technicians aware of the dangers of dealing with high voltage electricity and refrigerant under pressure The technician must also be certified in proper refri...

Page 4: ...a hazardous situation that if not avoided could result in death or serious injury Caution Indicates a hazardous situation that if not avoided could result in minor or moderate injury Notic Indicates information considered important but not hazard related e g messages relating to property damage NOTE Indicates useful extra information about the procedure you are performing ...

Page 5: ...the disconnect means to satisfy local codes Refer to rating plate for proper voltage This appliance must be grounded This equipment must be positioned so that the plug is accessible unless other means for disconnection from the power supply e g circuit breaker or disconnect switch is provided Check all wiring connections including factory terminals before operation Connections can become loose dur...

Page 6: ... lift or move this appliance to prevent tipping and or injury Do not damage the refrigeration circuit when installing maintaining or servicing the unit This equipment contains refrigerant charge Installation of the line sets must be performed by a properly trained and EPA certified refrigeration technician aware of the dangers of dealing with refrigerant charged equipment Ice machines require a de...

Page 7: ...ters after installation is complete Refer to nameplate to identify the type of refrigerant in your equipment Only trained and qualified personnel aware of the dangers are allowed to work on the equipment Read this manual thoroughly before operating installing or performing maintenance on the equipment Failure to follow instructions in this manual can cause property damage injury or death Crush Pin...

Page 8: ... chemicals rubber gloves and eye protection and or face shield must be worn DANGER Do not operate equipment that has been misused abused neglected damaged or altered modified from that of original manufactured specifications This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have ...

Page 9: ...must be in place and properly secured when operating this equipment Risk of fire shock All minimum clearances must be maintained Do not obstruct vents or openings Failure to disconnect power at the main power supply disconnect could result in serious injury or death The power switch DOES NOT disconnect all incoming power All utility connections and fixtures must be maintained in accordance with th...

Page 10: ...uctions in this manual can cause property damage injury or death Crush Pinch Hazard Keep hands clear of moving components Components can move without warning unless power is disconnected and all potential energy is removed Moisture collecting on the floor will create a slippery surface Clean up any water on the floor immediately to prevent a slip hazard Never use sharp objects or tools to remove i...

Page 11: ... stainless steel or painted surfaces Two or more people are required to move this equipment to prevent tipping Locking the front casters after moving is the owner s and operator s responsibility When casters are installed the mass of this unit will allow it to move uncontrolled on an inclined surface These units must be tethered secured to comply with all applicable codes The on site supervisor is...

Page 12: ...THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 13: ...tQube Models 23 LuminIce II 24 Installation Stacking Two Ice Machines on a Single Storage Bin 25 Ice Deflector 25 Location of Ice Machine 26 Head Section 26 Ice Beverage Models 27 Location of CVD Condensing Units 28 Clearance Requirements 29 Dual Evaporator Model Installation on a Manitowoc Bin 30 Ice Machine on a Dispenser Installation 31 Water Supply and Drains 32 Lineset Applications 33 QuietQu...

Page 14: ...cle 39 Power interruption during clean cycle 39 Aborting a clean cycle 39 Cleaning Sanitizing Procedure 40 Cleaning Procedure 40 Sanitizing Procedure 43 Parts Removal for Cleaning Sanitizing 45 Preventative Maintenance Cleaning Procedure 54 Removal from Service Winterization 56 Operation Operational Checks 57 General 57 Ice Thickness Check 58 Sequence of Operation 60 QuietQube Models 60 Initial St...

Page 15: ...74 USB Flash Drive Specifications and Formatting 79 Upgrading Firmware with a Flash Drive 79 Exporting Data to a Flash Drive 80 Troubleshooting Troubleshooting 81 Event Log 82 Event Log Detail 83 Thaw Cycle 88 Safe Operation Mode 89 E01 Long Freeze Cycle 90 E02 Long Harvest Cycle 90 Analyzing Why A Service Fault E01 E02 Stopped the Ice Machine 90 E01 Long Freeze 91 E02 Long Harvest 92 ...

Page 16: ...ormal 93 Symptom 4 Will not harvest cubes melted 93 Reset To Factory Defaults 94 Symptom 1 Ice Machine Will Not Run 95 Diagnosing a Condensing Unit That Will Not Run 98 Symptom 2 Low Production Long Freeze Cycle 99 Symptom 3 Harvest Problems 115 Failure Type and Symptoms 119 Symptom 3 QuietQube Models With CVD Condensing Units 121 Symptom 4 QuietQube Models With CVD Condensing Units 125 ...

Page 17: ...ntrol 151 Low Pressure Cutout LPCO Control 152 Compressor Time Delay 153 Fan Cycle Control 154 Harvest Assist Air Pump 155 Compressor Electrical Diagnostics 156 Diagnosing Start Components 158 Refrigeration Components 159 Head Pressure Control Valve 159 Suction Accumulator Operation 165 Recovery Evacuation Charging Procedures QuietQube Models 166 Connections 167 Recovery Evacuation Procedures 168 ...

Page 18: ...VDF1800 187 IF2100C CVDF2100 188 Diagrams Wiring Diagrams 189 Wiring Diagram Legend 189 IF0600C IBF0620C IBF0820C IF0900C 1ph 190 IT1200C IBT1020C 1ph 192 IF1400C IF1800C IF2100C 1ph 194 CVD 1ph Condensing Unit 196 CVD 3ph Condensing Unit 198 Electronic Control Board 200 Refrigeration Tubing Schematics 202 IF0600C CVDF0600 IB0620C CVDF0600 IBF0820 CVDF0900 IF0900C CVDF0900 202 IBT1020C CVDT1200 IT...

Page 19: ...Z cord without plug B NEMA plug USA F schuko plug EU G 13A blade GBR I oblique V blades AUS SPECIAL USE Blank general use Q coated condenser H high pressure M marine P correc onal T top air discharge X Luminice Sanita on L lever V space maker MARKET IDENTIFIER Blank not market specific S Saudi Arabia GCC K Korea KC C China CCC D Germany GS N Brazil InMetro ICE TYPE R Regular D Dice Y Half dice F F...

Page 20: ...S CVDT 1200 3 CONDENSING UNIT MODEL 3 PHASE CONDENSING UNIT SERIES REFRIGERANT TYPE F R404A T R410 Ice Cube Sizes Regular 1 1 8 x 1 1 8 x 7 8 2 86 x 2 86 x 2 22 cm Dice 7 8 x 7 8 x 7 8 2 22 x 2 22 x 2 22 cm Half Dice 3 8 x 1 1 8 x 7 8 0 95 x 2 86 x 2 22 cm ...

Page 21: ...ired when requesting information from your local Manitowoc Distributor service representative or Manitowoc Ice Inc The model and serial number can be viewed by pressing the information icon on the touchscreen The owner warranty registration card The model serial number data plate located in the evaporator compartment and on the back of the ice machine The model and serial number displayed on the t...

Page 22: ...ce machine is installed WARRANTY REGISTRATION Completing the warranty registration process is a quick and easy way to protect your investment Scan the QR code with your smart device or enter the link in a web browser to complete your warranty registration WWW MANITOWOCICE COM SERVICE WARRANTY WARRANTY REGISTRATION Registering your product insures warranty coverage and streamlines the process if an...

Page 23: ...l Numbers QUIETQUBE MODELS Ice Machine Head Section CVD Condensing Unit IYF0600C IBF0620C CVDF0600 IBF0820C IYF0900C CVDF0900 IBT1020C IDT1200C IYT1200C CVDT1200 IDF1400C IYF1400C CVDF1400 IDF1800C IYF1800C CVDF1800 IDF2100C IYF2100C CVDF2100 ...

Page 24: ...angeable verify your model before ordering a replacement bulb LuminIce bulbs have a white base and LuminIce II bulbs have a blue base Cleanup Procedure for Accidental Bulb Breakage The cleanup procedure is identical to the procedure used to clean up compact fluorescent CFL or fluorescent tube lights These lights contain a small amount of mercury sealed within a glass tube Breaking these types of l...

Page 25: ... temperatures below 32 F 0 C Failure caused by exposure to freezing temperatures is not covered by the warranty STACKING TWO ICE MACHINES ON A SINGLE STORAGE BIN Indigo Model ice machines cannot be stacked However an adapter is available that allows two QuietQube ice machines to be placed side by side on 60 bins ICE DEFLECTOR An ice deflector is required for all ice machines installed on a bin and...

Page 26: ...ontaminants The air temperature must be at least 35 F 1 6 C but must not exceed 110 F 43 C Ice Making Water Inlet Water Pressure must be at least 20 psi 1 4 bar but must not exceed 80 psi 5 5 bar The location must not be near heat generating equipment or in direct sunlight and protected from weather The ice machine must be protected if it will be subjected to temperatures below 32 F 0 C Failure ca...

Page 27: ... head section and line set Sufficient tubing length must be available to allow 180 rotation of the ice machine Maintain a 3 space between the back of the ice machine and the back of the dispenser to allow room for the refrigeration line set service loop The water inlet and electrical connection must contain a service loop to allow future service and maintenance access The drain line must contain a...

Page 28: ...ot exceed 120 F 48 9 C The location must not allow exhaust fan heat and or grease to enter the condenser The location must not obstruct airflow through or around the condensing unit See below for clearance requirements Minimum Maximum Temperatures Model Minimum Air Temperature Maximum Air Temperature All Ice Machine Head Sections 35 F 2 C 110 F 43 C QuietQube Condensing Units CVDF0600 CVDF0900 CVD...

Page 29: ...F1400C IF1800C IF2100C 5 13 cm 5 13 cm 5 13 cm IBF0620C IBF0820C IBT1020C 2 5 cm 5 13 cm 8 20 cm 24 61 cm is recommended on top sides for servicing Condensing Unit Clearance Requirements Model Top Sides Back Front CVDF0600 CVDF0900 CVDT1200 CVDF1400 CVDF1800 CVDF2100 0 0 cm 48 122 cm 48 122 cm 24 61 cm is recommended on top sides for servicing ...

Page 30: ...or installation and is ordered separate Order appropriate kit 30 or 48 for your bin The stock bin deflector must be removed and replaced with the correct deflector to prevent injury nWarning PERSONAL INJURY POTENTIAL Do not operate any ice machine with the deflector removed NOTE A deflector must be installed on all dual evaporator models used in bin applications 2 LOCK IN PLACE WITH PIN 1 SLIDE FO...

Page 31: ... dispenser baffle is required to prevent ice from contacting the ice machine door and prevent possible water leakage K00348 is used on 22 ice machines and K00346 is used on 30 ice machines Importan Manitowoc Ice Beverage Ice Machines require an adapter for mounting Adapters are not included with the ice machine dispenser or bin and must be ordered separately When a non Manitowoc adapter is used ve...

Page 32: ...e machine drain lines Insulate drain lines to prevent condensation Vent the ice machine drain to the atmosphere Drain termination must have an air gap that meets local code Auxiliary Base Drain Installation An auxiliary drain is located in the ice machine base to remove moisture in high humidity areas 1 View the back of the ice machine base on the compressor side and locate and remove the cap plug...

Page 33: ...other parts or assemblies not manufactured by Manitowoc Ice Or refrigeration system additives such as leak detection dyes inhibitors or non OEM approved chemicals nWarning Recovery locations vary by model Verify you are making the correct connections for your model to prevent accidental release of high pressure refrigerant Importan Manitowoc remote systems are only approved and warranted as a comp...

Page 34: ...0 IT1200C CVDT1200 IF1400C CVDF1400 RC 20 RC 30 RC 50 K00166 IF1800C CVDF1800 IF2100C CVDF2100 RC 23 RC 33 RC 53 Line Set Suction Line Liquid Line Minimum Insulation Thickness RC 21 31 51 5 8 inch 16 mm 3 8 inch 10 mm 1 2 13 mm Suction Line 1 4 7 mm Liquid Line RC 20 30 50 3 4 inch 19 mm 1 2 inch 13 mm 1 2 13 mm Suction Line 1 4 7 mm Liquid Line RC 23 33 53 3 4 inch 19 mm 5 8 inch 16 mm 1 2 13 mm ...

Page 35: ...chine Condenser Additional Amount of Refrigerant To Be Added To Nameplate Charge IF0600C CVDF0600 1 5 lbs 680 g IBF0620C IBF0820C CVDF0900 4 lbs 1814 g IF0900C IBT1020C CVDT1200 2 lbs 907 g IT1200C 2 lbs 907 g IF1400C CVDF1400 2 lbs 907 g IF1800C CVDF1800 2 lbs 907 g IF2100C CVDF2100 4 lbs 1814 g ...

Page 36: ...ANCE 35 ft 10 7 m Rise The maximum distance the Condenser or Condensing Unit can be above the ice machine 15 FT 4 5 M MAXIMUM DISTANCE 15 ft 4 5 m Drop The maximum distance the Condenser or Condensing Unit can be below the ice machine If a line set has a rise followed by a drop another rise cannot be made Likewise if a line set has a drop followed by a rise another drop cannot be made S TRAP REQUI...

Page 37: ... sanitizing Manitowoc Ice Machine Cleaner and Sanitizer are the only products approved for use in Manitowoc ice machines Caution Use only Manitowoc approved Ice Machine Cleaner and Sanitizer for this application Manitowoc Cleaner part number 9405463 and Manitowoc Sanitizer part number 9405653 It is a violation of Federal law to use these solutions in a manner inconsistent with their labeling Read ...

Page 38: ...n the Clean button is used to start a clean cycle To prime the hose activation is required through the Service Menu iAuCS icon EXTERIOR CLEANING Clean the area around the ice machine as often as necessary to maintain cleanliness and efficient operation Wipe surfaces with a damp cloth rinsed in water to remove dust and dirt from the outside of the ice machine If a greasy residue persists use a damp...

Page 39: ...les to verify cleaner or sanitizer has been removed before ice making PAUSING A CLEAN CYCLE The clean cycle can be paused and resumed at any time by pressing the on off button The clean cycle will resume from the beginning of either the wash or rinse cycle depending on the point of interruption POWER INTERRUPTION DURING CLEAN CYCLE If the power supply is interrupted during the clean cycle the stat...

Page 40: ...a manner inconsistent with their labeling nWarning Wear rubber gloves and safety goggles and or face shield when handling Ice Machine Cleaner or Sanitizer Ice machine cleaner is used to remove lime scale and mineral deposits Ice machine sanitizer disinfects and removes algae and slime NOTE Although not required and dependent on your installation removing the ice machine top cover may allow easier ...

Page 41: ... Water will flow through the water dump valve and down the drain Wait approximately 1 minute until the water trough refills and the display indicates Add Chemical Add the proper amount of ice machine cleaner to the water trough by pouring between the water curtain and evaporator then confirm the chemical was added NOTE There is a 10 minute time limit to confirm chemical was added Confirmation is p...

Page 42: ...s removal for your ice machine Continue with next step when the parts have been removed Single Evaporator Ice Machines on page 45 Ice Beverage Ice Machines on page 47 Dual Evaporator Ice Machines on page 49 Step 7 Mix a solution of cleaner and lukewarm water Depending upon the amount of mineral buildup a larger quantity of solution may be required Use the ratio in the table below to mix enough sol...

Page 43: ... surfaces of the ice machine and bin or dispenser Use a nylon brush or cloth to thoroughly clean the following ice machine areas Side walls Base area above water trough Evaporator plastic parts including top bottom and sides Bin or dispenser Rinse all areas thoroughly with clean water SANITIZING PROCEDURE Step 10 Mix a solution of sanitizer and lukewarm water Solution Type Water Mixed With Sanitiz...

Page 44: ...e drain Wait approximately 1 minute until the water trough refills and the display indicates Add Chemical Add the proper amount of ice machine sanitizer to the water trough by pouring between the water curtain and evaporator then confirm the chemical was added Model Amount of Sanitizer IF0600C IBF0620C IBF0820C IF0900C IBT1020C IT1200C 3 ounces 90 ml IF1400C IF1800C IF2100C 12 ounces 355 ml Step 1...

Page 45: ...ft pin out B Remove the water trough Depress tabs on right and left side of the water trough Allow front of water trough to drop as you pull forward to disengage the rear pins C Remove the water level probe Pull the water level probe straight down to disengage Lower the water level probe until the wiring connector is visible Disconnect the wire lead from the water level probe Remove the water leve...

Page 46: ...ss control wiring from the control board E Remove the water distribution tube NOTE Distribution tube thumbscrews are retained to prevent loss Loosen thumbscrews but do not pull thumbscrews out of distribution tube Loosen the two outer screws do not remove screws completely they are retained to prevent loss and pull forward on the distribution tube to release from slip joint Disassemble distributio...

Page 47: ...and then out B Remove ice thickness probe Compress the hinge pin on the top of the ice thickness probe Pivot the ice thickness probe to disengage one pin then the other The ice thickness probe can be cleaned at this point without complete removal If complete removal is desired disconnect the ice thickness control wiring from the control board ...

Page 48: ...lead from the water level probe Remove the water level probe from the ice machine E Remove the water distribution tube NOTE Distribution tube thumbscrews are retained to prevent loss Loosen thumbscrews but do not pull thumbscrews out of distribution tube Loosen the two outer screws do not remove screws completely they are retained to prevent loss and pull forward on the distribution tube to releas...

Page 49: ...ut B Remove evaporator splash shields Grasp the top center of splash shields Lift up and then out C Remove the water trough shield Grasp the water trough shield in the center and the left end Flex the water trough shield in the center and pull the left end forward until clear of the side wall Repeat for the right end Pull water trough shield forward to remove ...

Page 50: ...pply pressure toward the back mounting bracket Apply pressure to the front mounting bracket with thumb Pull ice damper download when the front ice damper pin disengages F Remove the water pump assembly Disconnect the vinyl distribution tube from the water pump Disconnect the water pump and water level probe electrical connections After the wires are disconnected remove the two thumbscrews and lift...

Page 51: ...uter screws and pull forward on the distribution tube to release from slip joint Disassemble distribution tube by loosening the two 2 middle thumbscrews and dividing the distribution tube into two pieces H Remove the water trough Depress the two tabs on the top of the water trough Turn left and right ice dampers down to clear water trough Pull forward on the water trough to remove NOTE Proceed to ...

Page 52: ...and water 2 ounces of cleaner to 16 ounces of water in a container 2 Soak probes in container of cleaner water solution while disassembling and cleaning water circuit components soak probes for 10 minutes or longer 3 Clean all probe surfaces including all plastic parts do not use abrasives Verify all surfaces are clean Thoroughly rinse probes with clean water 4 Reinstall probe then sanitize the ic...

Page 53: ... water flow into the ice machine If the water flow is slow or only trickles into the ice machine refer to water system checklist Water Dump Valve The water dump valve normally does not require removal for cleaning To determine if removal is necessary 1 Locate the water dump valve 2 While the ice machine is in the freeze mode check the rain to determine if the dump valve is leaking If there is no o...

Page 54: ...the evaporator during the clean sanitize cycle Follow one of the methods below A Press the power button at the end of a harvest cycle after ice falls from the evaporator s B Press the power button and allow the ice to melt Caution Never use anything to force ice from the evaporator Damage may result 2 Open the front door to access the evaporator 3 Press the Clean button and select Make ice when co...

Page 55: ...0C IF1800C IF2100C 9 ounces 265 ml 4 Close and secure the front door The ice machine will automatically start ice making after the descale cycle is complete approximately 24 minutes NOTE Once the cycle has started it must complete before the ice machine can make ice again Returning it to ice making mode will not cancel a clean cycle ...

Page 56: ...ve the water from the water trough 4 Disconnect and drain the incoming ice making water line at the rear of the ice machine 5 Start the Ice making cycle by pressing the On Off Button and wait one minute for the water inlet valve to open or Energize all relays in the touchscreen service menu 6 Blow compressed air in both the incoming water and the drain openings in the rear of the ice machine until...

Page 57: ... proper operation always follow the Operational Checks when starting the ice machine for the first time after a prolonged out of service period after cleaning and sanitizing NOTE Routine adjustments and maintenance procedures are not covered by the warranty Importan Refrigeration compressors must be operated for a minimum break in period of 24 hours before full ice production will be reached Opera...

Page 58: ...mm thick 2 If adjustment is necessary turn the ice thickness probe adjustment screw clockwise to increase bridge thickness or counterclockwise to decrease bridge thickness Set a 9 32 gap between the ice thickness probe and evaporator as a starting point Then adjust to achieve 1 8 ice thickness 3 Make sure the ice thickness probe wire and the bracket do not restrict movement of the probe 1 8 3 mm I...

Page 59: ... overridden by initiating a manual harvest Refer to Manual Harvest on page 75 The maximum freeze time is 35 minutes at which time the control board automatically initiates a harvest sequence The maximum harvest time is 7 minutes the control board will perform a remove thaw cycle and then return the ice machine to the freeze cycle Maximum water fill time in the freeze cycle Single evaporator 6 minu...

Page 60: ...e energized to purge the ice machine of old water This feature ensures that the ice making cycle starts with fresh water 2 Refrigeration System Start Up Ice Machine Head Section The harvest valve s air pump s and liquid line solenoid valve energize to equalize high and low side refrigeration pressure After 10 seconds the harvest valve s and air pump s de energize CVD Condensing Unit The low pressu...

Page 61: ...vaporator After water contacts the water level probe the water fill valve de energizes The control board will automatically cycle the water fill valve The valve energizes once in the pre chill and up to twice in the freeze cycle The freeze cycle continues until the six minute freeze lock expires and enough ice has formed to send a signal from the ice thickness probe to the control board Water Pump...

Page 62: ... Prechill fill time first fill second fill SINGLE EVAPORATOR MAXIMUM FILL TIME Initial startup or startup after automatic shutoff Prechill 2 minutes first fill time 6 minutes second fill time 6 minutes 14 0 minutes Consecutive cycles Prechill 30 sec first fill time 6 minutes second fill time 6 minutes 12 5 minutes DUAL EVAPORATOR MAXIMUM FILL TIMES Initial startup or startup after automatic shutof...

Page 63: ... minutes in the harvest cycle the following occurs 3 5 minutes The water inlet valve energizes until water touches the high water level probe 4 minutes The water pump energizes 6 5 to 7 minutes The water dump valve energizes If bin switch does not open before 7 minutes the ice machine will start a Thaw Cycle xx Single evaporator models The sliding sheet of cubes opens the water curtain ice damper ...

Page 64: ...out before the ice machine can automatically restart CVD Condensing Unit The liquid line solenoid valve closes and the condensing unit pumps down The LPCO opens starts a five minute delay period and de energizes the contactor coil which de energizes the compressor and condenser fan motor RESTART AFTER AUTOMATIC SHUT OFF The ice machine remains off until enough ice has been removed to allow the ice...

Page 65: ...ps Water Inlet Valve Water Dump Valve Liquid Line Solenoid Valve Contactor Refrigeration Compressor Condenser Fan Motor Length of Time Start Up Initial or After Auto Shut Off On Off Off Off On Off Off 45 Seconds 1 Water Purge 2 Refrigeration System Start up Pressure Equalization Off On On Off Off Off Off 5 Seconds Compressor Start Off On On Off Off On On 5 Seconds ...

Page 66: ...iquid Line Solenoid Valve Contactor Refrigeration Compressor Condenser Fan Motor Length of Time Freeze Sequence Off Off Off May cycle On Off Off On On Initial Start Up is 120 Seconds 30 Seconds thereafter 3 Pre chill 4 Freeze On Off Off Cycles Off then On Off two more times Off On On Until Ice contact with ice thickness probe Harvest Sequence On On On Off On On On Factory set at 45 Seconds 5 Water...

Page 67: ...On On Off Off On On Bin switch activation Water Assist Starts 3 5 minutes in harvest cycle Off On On On Off On On Until curtain switch activation 7 Automatic Shut Off Off Off Off Off Off Off Off Until 10 min delay expires all bin switches re close The condenser fan motor is controlled by a fan cycle control and may cycle on off The contactor is controlled by a low pressure control and may cycle on...

Page 68: ...68 Part Number 000015431 Rev01 5 19 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 69: ...nel offers a series of pressure sensitive buttons and an interactive touchscreen Buttons Power Button Provides On Off functions for the ice machine Lock Unlock Button Allows or prevents touchscreen navigation Cleaning Button Initiates a cleaning cycle Refer to Cleaning and Sanitizing on page 37 for details on starting and bypassing a clean cycle Menu Navigation ...

Page 70: ...ccess to service and troubleshooting information The icons provide status indication and allow navigation by pressing the icon The touchscreen will display Program Mode On whenever the ice machine is off due to a bin level probe weight program or time program The touchscreen will display a lock in place of the menu icon when the touchscreen has been locked S i MAKING ICE 3 3 11 18 2018 10 42 AM S ...

Page 71: ...y the routine maintenance reminder screen which will allow viewing and resetting of the reminder Menu Menu icon will take you to the main menu Note This icon changes to a lock if the touchscreen lock has been selected Information Information icon provides model and serial number installation date and other information specific to the ice machine Service Locator Provides contact information for you...

Page 72: ...72 Part Number 000015431 Rev01 5 19 Icon Description iAuCS This icon appears when the iAUCS activates during a programed cleaning cycle ...

Page 73: ...uminIce II or iAuCS are connected Checkmark yes X no Optional USB Settings Download Only used when setup features have been transferred to a USB drive Skip screen by selecting right arrow Configure Units Select standard or metric Set Brightness Configure screen brightness during normal operation Optional Ice Program Program ice machine run times or press right arrow to skip this setup Optional Cle...

Page 74: ...m Time Program Select Daily On Off times Weight Program Select Daily Production Weight Water Usage Use Factory Default Use Less Water With Reverse Osmosis Use More Water To Improve Ice Clarity Statistics Ice Production Previous 7 Days Water Usage Previous 7 Days Energy Usage Previous 7 Days NOTE The performance statistics are calculated based on the performance of the ice machine at 900F 320C ambi...

Page 75: ... day Thermistor Temperatures Lifetime Data History Installation Date Control Board Replacement Date Control Board Manufacture Date Runtime Cycle Count Potable Water Clean Cycles Alert Log Lists Clears Alerts Manual Harvest Off or On Control Board Replacement Manual Replacement Manually enter model number Manually enter serial number Manually enter condenser serial number optional Verification USB ...

Page 76: ...ormation User Interface Screen Calibration Button Diagnostics Screen Diagnostics Screen Calibration Contact information Factory defaults to QR code and website address to Manitowoc Ice s Global Locator Edit Contact Information Button USB Upgrade Firmware Export Data iAuCS Manually initiate the iAuCS pump for pump hose priming NOTE The clean button does not initiate the iAuCS pump ...

Page 77: ... Configure Date Time Set Time Set Date Units Standard or Metric Brightness Adjust Touch Screen Brightness For Sleep Mode or Inactivity NOTE 100 brightness is activated by touching the screen when the lock feature is off USB Import Settings To Ice Machine Export Settings To USB iAuCS When the iAuCS is detected the icon will appear in the settings menu to set frequency of cleanings with iAuCS ...

Page 78: ... 000015431 Rev01 5 19 Reset Defaults Require Setup Wizard Optional Setup Wizard restart for training purposes or resale of equipment Backup Current Settings Import To Ice Machine Export To USB Reset Factory Defaults ...

Page 79: ...tem software Refer to operating system software manufacturer s website for formatting instructions UPGRADING FIRMWARE WITH A FLASH DRIVE Importan The flash drive must be formatted before using All files and software on the flash drive are removed during the formatting process 1 Drag and drop the files from website or email onto a flash drive 2 Ensure that the ice machine s power is on 3 Navigate t...

Page 80: ...lysis or as an aid to troubleshooting The data files are small and can be attached to an email Importan The flash drive must be formatted before using All files and software on the flash drive are removed during the formatting process 1 Ensure that the ice machine s power is on 2 Press the Menu button 3 Navigate to USB Menu Service USB 4 Insert the flash drive into the USB port on the ice machine ...

Page 81: ... log on the following pages for a description of the event NOTE There are two sequences that allow the ice machine to continue ice making during alert events Thaw Cycle When the damper curtain does not open during the 7 minute harvest cycle E02 fault a thaw cycle starts See Thaw Cycle on page 88 Safe Operation Mode Allows the ice machine to operate up to 72 hours if the ice thickness probe E19 fau...

Page 82: ...rtain Fault E12 Curtain Switch Fault Open more than 24 hours E13 Spare E14 Spare Low liq temp E15 Fan Cycle Control Fault Low Liquid Line Temperature Rmt Cnd Fault E16 Remote Condensing Unit Fault CVD Only E17 Spare E18 Spare ITP Fault E19 Ice Thickness Probe Fault WTR Fault E20 Water System Fault T1 Fault E21 T1 Temperature Sensor Issue T2 Fault E22 T2 Temperature Sensor Issue T3 Fault E23 T3 Tem...

Page 83: ... Condenser Temperature Liquid Line Temperature too High for Self contained Air Cooled Ice machine Air Cooled Condenser Fault Or Liquid Line Temperature too High for Self contained Water Cooled ice machine Water Cooled Condenser Fault E05 High Pressure Control Opened The high pressure cutout switch HPCO opened E06 Spare E07 Starving TXV Single Evaporator or Low On Charge The difference of the avera...

Page 84: ...did not increase by at least 10 F and the evaporator temperature did not decreased by at least 10 F Measured from Refrigeration Start up or Prechill until 2 minutes into the Freeze cycle E12 Curtain Switch Fault Open more than 24 hours The ice machine is set to ice making and remains in bin full condition for more than 24 hours The curtain switch is open or curtain is off E13 Spare E14 Spare E15 F...

Page 85: ...tisfied at end of freeze cycle E21 T1 Temperature Sensor Issue During Pre chill the thermistor had an average value reading outside the valid range E22 T2 Temperature Sensor Issue During Pre chill the thermistor had an average value reading outside the valid range E23 T3 Temperature Sensor Issue During Pre chill the thermistor had an average value reading outside the valid range E24 T4 Temperature...

Page 86: ...SB Communication error No USB drive in port or defective USB drive E30 USB Download Fault USB Download error related to USB drive or a defective USB drive E31 Safe Mode Safe mode allows the ice machine to operate for a period of time in the event of a Water level or ice thickness probe failure The controller allows the machine to operate based on model data and historical cycle information E32 RS4...

Page 87: ... Sum Error Event Log Only Activates on power loss E37 Watch Dog Event Event Log Only Micro Process time out possible electrical noise E38 UI Comm Event Event Log Only User interface communication error loose communication cable power interruption ...

Page 88: ... the high water level probe for 3 minutes Model 1200 or smaller Circulate 165 seconds dump 45 seconds Model 1400 and larger Circulate 240 seconds dump 120 seconds At the end of the thaw cycle the ice machine will start another freeze cycle approximately 1 1 75 hour Curtain Operation In Water Assist Harvest Open close damper Continue Thaw Cycle Open damper 30 seconds Full Bin Shutoff Use the keypad...

Page 89: ... the LCD display to notify the end user they have a production problem The control board automatically initiates and monitors the safe mode The control will automatically exit the safe mode if a normal signal is received from the input After 72 hours the control board will enter a standby mode and turn off The control board needs a five cycle history to operate safe mode If five cycles have never ...

Page 90: ...r problem or something external to the ice machine This may be difficult to diagnose as many external problems occur intermittently Example An ice machine stops intermittently on E01 Long Freeze long freeze time The problem could be a low ambient temperature at night a water pressure drop the water is turned off one night a week etc Refrigeration and electrical component failures will cause a Serv...

Page 91: ...lectrical System Low incoming voltage Ice thickness probe out of adjustment Harvest cycle not initiated electrically Contactor not energizing Compressor electrically non operational Defective fan cycling control Defective fan motor Miscellaneous Non Manitowoc components Improper refrigerant charge Defective head pressure control Defective harvest valve Defective compressor TXV starving or flooding...

Page 92: ...valve Vent tube not installed on water outlet drain Water freezing behind evaporator Plastic extrusions and gaskets not securely mounted to the evaporator Clogged water distribution tube Electrical System Ice thickness probe out of adjustment Bin switch closed defective Premature harvest Refrigeration System Non Manitowoc components Improper refrigerant charge Defective head pressure control valve...

Page 93: ... Making cycle or Has a History of Shutting Down Refer to Ice Machine Stops Running Flow Chart SYMPTOM 2 ICE MACHINE HAS A LONG FREEZE CYCLE Ice Formation is Thick or Thin Ice Fill on inlet or outlet of Evaporator or Low Production E01 Long Freeze possible Refer to Low Production Long Freeze Cycle SYMPTOM 3 WILL NOT HARVEST CUBES NORMAL Ice Machine Will Not Harvest Freeze Cycle is Normal and Ice Cu...

Page 94: ... control board to factory defaults to prevent mis diagnosis Before resetting to factory defaults do one of the following A Copy settings to a usb device and flash settings into the control board when diagnostics are complete B Write down any customer settings so they can be re entered when diagnostics are complete ...

Page 95: ... board diagnostics Is there an Alert or Error Logged Refer to Alert Error Log Yes No No No Does the ice machine start when the Power button is pushed Yes Are there any lights on or flashing on the control board No Refer to display control board diagnostics Cycle Power to Board are lights flashing Display light Flashing No Unit has adequate ground Install Ground No No Yes Yes Yes Yes ...

Page 96: ...ood Yes Yes No Yes No Install the water curtain damper All water curtains or dampers in place Line voltage at wires 55 56 on 9 pin control board connector Supply power to the ice machine Yes No Yes Replace fuse determine which component caused fuse to blow Refer to display control board diagnostics No Yes ...

Page 97: ...ter curtain damper No Yes Ice machine starts No No Test run ice machine Yes Yes Yes Refer to bin switch diagnostics Refer to display control board diagnostics E01 or E02 In Event Log E02 Which Event Refer to E01 Long Freeze Cycle Refer to E02 Long Harvst Cycle Is magnet on the water curtain damper ...

Page 98: ...breaker is closed 2 Verify the high pressure control is closed 3 Verify the low pressure control is closed 4 Verify voltage is present at terminals 1 2 on the compressor time delay relay 5 Verify the time delay period has expired and test for line voltage at compressor time delay relay terminals 1 3 6 Verify line voltage is present at the contactor coil 7 Verify the contactor contacts are closed a...

Page 99: ... certain times of the day or night A machine may function properly while it is being serviced but malfunctions later Information provided by the user can help the technician start in the right direction and may be a determining factor in the final diagnosis Ask these questions before beginning service When does the ice machine malfunction night day all the time only during the Freeze cycle etc Whe...

Page 100: ...emp entering sump trough ____ 2 Refer to the appropriate 24 Hour Ice Production Chart starting on page 179 Use the operating conditions determined in step 1 to find published 24 Hour Ice Production _____ Times are in minutes Example 1 min 15 sec converts to 1 25 min 15 seconds 60 seconds 25 minutes Weights are in pounds Example 2 lb 6 oz converts to 2 375 lb 6 oz 16 oz 375 lb 3 Perform an ice prod...

Page 101: ...duction Charts may be used 4 Compare the results of step 3 with step 2 Ice production checks that are within 10 of the chart are considered normal If they match closely determine if Another ice machine is required More storage capacity is required Relocating the existing equipment to lower the load conditions is required Contact the local Manitowoc Distributor for information on available options ...

Page 102: ...ation is plugged if used Install a new water filter Water drains are not run separately and or are not vented Run and vent drains according to the Installation Manual Floor drain must have an air gap Install condensation drain in the ice machine base Line set is improperly installed Reinstall according to the Installation Operation and Maintenance Manual Lineset is the incorrect size Refer to Inst...

Page 103: ... F 2 C and 90 F 32 C If too hot check the hot water line check valves in other store equipment Water filtration is plugged if used Install a new water filter Water dump valve leaking during the Freeze cycle Clean or replace dump valve as needed Vent tube is not installed on water outlet drain See Installation Instructions Hoses fittings etc are leaking water Repair or replace as needed Water fill ...

Page 104: ...he entire evaporator surface At the beginning of the Freeze cycle it may appear that more ice is forming on the inlet of the evaporator than on the outlet At the end of the Freeze cycle ice formation at the outlet will be close to or just a bit thinner than ice formation at the inlet The dimples in the cubes at the outlet of the evaporator may be more pronounced than those on the inlet This is nor...

Page 105: ...e at the outlet of the evaporator reaches 1 8 in to initiate a harvest but there is no ice formation at all on the inlet of the evaporator 4 No Ice Formation The ice machine operates for an extended period but there is no ice formation at all on the evaporator Evaporator Tubing Routing Routing of the tubing on the back of the evaporator determines the ice fill pattern failure mode The evaporator o...

Page 106: ...pattern varies depending on which circuit is affected Extremely Thin at the Evaporator Outlet will first be visible either 1 4 or 3 4 of the way down the evaporator Extremely Thin at the Evaporator Inlet will show at the bottom of the evaporator or 1 2 of the way down depending on the circuit affected Outlet Inlet Thin at Inlet Thin at Outlet ICE ICE ICE ICE ICE Outlet Inlet ...

Page 107: ... find the published normal discharge pressures Freeze Cycle ______ Harvest Cycle ______ 3 Perform an actual discharge pressure check Freeze Cycle psig kPa 1 Minute into the Freeze Cycle Middle of Freeze Cycle End of Freeze Cycle 4 Compare the actual discharge pressure step 3 with the published discharge pressure step 2 The discharge pressure is normal when the actual pressure falls within the publ...

Page 108: ...enser Dirty condenser filter Dirty condenser fins High inlet air temperature Condenser discharge air recirculation Defective Fan Cycle Control on page 154 Defective fan motor Defective head pressure control valve Remote Other Overcharged Non condensible air in system Wrong type of refrigerant Non Manitowoc components in system High side refrigerant lines component restricted ...

Page 109: ...ation Refer to Installation Visual Inspection Checklist on page 102 Condenser Defective head pressure control valve won t bypass page 159 Defective fan cycle control stuck closed page 154 Other Undercharged Wrong type of refrigerant Non Manitowoc components in system Liquid line component restricted ...

Page 110: ... temp entering condenser ______ Air temp around ice machine ______ Water temp entering sump trough ______ 2 Refer to Operating Pressure table starting on page 179 for ice machine being checked Use the operating conditions determined in step 1 to find the published normal discharge pressures Freeze Cycle ______ Harvest Cycle ______ 3 Perform an actual suction pressure check Freeze Cycle psig kPa 1 ...

Page 111: ... Discharge Pressure Discharge pressure is too high and is affecting suction pressure refer to Analyzing Discharge Pressure in the Freeze Cycle on page 107 Improper Refrigerant Charge Overcharged Wrong type of refrigerant Non condensible in system Components Harvest valve leaking TXV flooding Defective compressor Other Non Manitowoc components in system ...

Page 112: ... low side refer to Analyzing Discharge Pressure in the Freeze Cycle on page 107 Improper Refrigerant Charge Undercharged Wrong type of refrigerant Other Non Manitowoc components in system Improper water supply over evaporator refer to Water System Checklist on page 103 Restricted plugged liquid line drier Restricted plugged tubing in suction side of refrigeration system TXV starving Liquid line so...

Page 113: ...ssures remain unchanged from the Freeze cycle The ice machine will remain in the Harvest cycle for 7 minutes then initiate a thaw cycle Valve remains open in the Freeze cycle Symptoms of a harvest valve remaining partially open during the Freeze cycle can be similar to symptoms of an expansion valve or compressor problem Symptoms are dependent on the amount of leakage in the Freeze cycle A small a...

Page 114: ...ure difficult The key to the diagnosis is observing the compressor suction line temperature during the last three minutes of the freeze cycle 1 Navigate to Service Diagnostics Temperature Sensors and view T3 T4 Thermistors 2 Monitor the suction line temperature during the last three minutes of the freeze cycle and record the low event 3 Verify refrigerant amount is correct by weight when recoverin...

Page 115: ...mething is on the evaporator preventing the ice slab from releasing Follow the appropriate troubleshooting flow chart to determine the cause of the problem A manual cleaning procedure must always be performed when this problem is encountered Normal sheet of cubes at the end of the harvest cycle Ice is difficult to remove from the evaporator by hand Once removed the back of the cubes are square and...

Page 116: ...4 and the bridge thickness is 1 8 at the beginning of the harvest cycle see Ice Thickness Check on page 58 3 Verify power is present at the harvest valve s throughout the entire harvest cycle 4 Determine if it is a melt out see page 115 Melted cubes indicate this is not a refrigeration problem Inspect the evaporator for defects grid separation plating issues cracked or loose evaporator frame or fr...

Page 117: ...e set outside diameter is correct see page 33 the lineset is installed correctly see page 36 and no kinks exist in the tubing 6 Record and verify ambient temperature is within guidelines A Air temperature entering condenser page 28 B Water temperature entering the ice machine page 32 ...

Page 118: ... HP LP LLT 30 seconds into harvest 2 5 minutes into harvest Dual Evaporators after first evaporator and before the second evaporator drops ice Record Total Freeze Time and Harvest time High side refrigeration system pressure at the ice machine discharge line Low side refrigeration system pressure taken at the ice machine suction line Liquid line temperature at the ice machine T1 on touchscreen ser...

Page 119: ... the freeze cycle a High pressure is floating up and down b Liquid line temperature floats up and down c Fan cycle control turns condenser fan motor on off This symptom will not be observed at temperatures above 700F Head Pressure Control Valve failure in harvest page 160 Measured in the harvest cycle a Liquid line temperature is low b 30 seconds into harvest there will be a temperature difference...

Page 120: ...lure page 154 Measured in the harvest cycle a Condenser fan motor does not cycle off when pressure is below fan cycle control cut out setting Accumulator failure page 165 Measured in the freeze cycle The suction line temperature between the accumulator and compressor does not increase 20 0F within 6 minutes of a freeze cycle The test must be run after a harvest cycle has been completed ...

Page 121: ... Is the Harvest Valve s Energized Refer to Sequence of Operation Wiring Diagram Note All pressure readings are taken from the Liquid Suction Shut off Valves or access ports at the ice machine head section Are the Harvest Pressures normal Is the ice machine installed correctly Correct the Installation YES YES YES NO NO NO ICE MACHINE WILL NOT HARVEST FREEZE CYCLE NORMAL CUBES ARE NOT MELTED ...

Page 122: ...rmal Feels Warm to Hot Cold Feel temperature of Receiver after 30 seconds into harvest cycle Is Head Pressure low Suction Pressure low in harvest Replace Harvest Valve Is Head Pressure high Suction Pressure low in harvest Not a refrigeration problem Clean Inspect Evaporator ...

Page 123: ...mperature of Liquid Line at Condensing Unit Does the Condenser Fan Motor run below cut out setpoint in harvest Backseat Liquid Line Shut Off Valve or Replace Look for Restriction Correct Line Set Size Proper Insulation Refer to Fan Cycling Control Diagnostics Cold Cold Cold Feels Hot Feels Hot YES NO ...

Page 124: ... Valve Diagnostics Head Pressure Valve is not in 100 Bypass Head Pressure Valve is in 100 Bypass Refrigerant Charge is Incorrect Evacuate System Recharge Perform Production Check Refer to Symptom 2 Refrigeration Operational Analysis Table Refrigerant Charge is Correct IMPORTANT Weigh charge as you are recovering if incorrect evacuate recharge if correct then proceed ...

Page 125: ...s frozen to the evaporator at the end of the harvest cycle Refer To Symptom 2 Freeze Cycle Opera on Analysis Table Is water flow over the evaporator in the harvest cycle Is Ice Machine level Level Ice Machine Refer to Dump Valve Diagnos cs YES YES YES NO NO NO NO YES Ice Machine Will Not Harvest Freeze Cycle Is Normal and Ice Cubes Are Melted A er Harvest ...

Page 126: ...ze Cycle Analysis Chart Refer to Hard Cleaning Procedure NO Discharge line temperature is normal at the end of the freeze cycle 150F 65C Is the evaporator dirty or damaged Dry evaporator first then check Dents loose partitions or plating issues Are ice thickness cycle times and slab weights correct ...

Page 127: ...rol board Display Diagnostics Symptom Micro light flashes and display light is off 1 Reboot ice machine by disconnecting power for a minimum of 15 seconds reapplying power and checking micro light for normal flashing 2 Disconnect the display module communication cable from the control board and inspect for damaged or corroded pins Reconnect after inspection 3 Press the On Off button on the display...

Page 128: ...p 3 B Micro light is off Test fuse for continuity If fuse tests good replace control board 3 Perform a control board self test Menu Service Diagnostics Control Board Self Check The control board performs a self test As the test progresses the display will show pass or fail as the tests are completed Status passed The control board is functioning normally continue with touchscreen diagnostics on ne...

Page 129: ...ns replace the touchscreen module NOTE Verify you have followed all of the instructions for screen calibration Skipping steps will result in a failed calibration message Importan The ice machine can be run without a touchscreen by pressing the test button on the control board OPERATING AN ICE MACHINE WITHOUT A TOUCHSCREEN The Test Display Bypass push button see page 200 will activate ice making wi...

Page 130: ...all relays Menu Service Diagnostics Control Board Enable All Relays 2 The control board will energize all relays and the red light next to the relay The red light indicates the relay coil is energized 3 Test for line voltage at the individual components A Line voltage is present and the component is non functional Replace component B Voltage is not present at the component Proceed to step 5 4 Refe...

Page 131: ...board is operational and has a mechanical issue such as a sticking relay The asset data is transferred to the replacement control board from the faulty control board Refer to page 133 Exporting Data To A Flash Drive before installing the replacement board Manual Setup Applicable when the control board is non operational or data from the faulty board is suspect 1 Install replacement control board a...

Page 132: ...e All USB flash drives must be formatted before use to remove any software programs or files currently on the flash drive USB Flash Drive Specifications USB 2 Version 32 GB or less capacity Fat32 File System USB Flash Drive Formatting Procedure to format a USB flash drive varies with operating system software Refer to operating system software manufacturer s website for formatting instructions ...

Page 133: ...bleshooting The data files are small and can be attached to an email Importan The flash drive must be formatted before using All files and software on the flash drive are removed during the formatting process 1 Ensure that the ice machine s power is on 2 Press the Menu button 3 Navigate to USB Menu Service USB 4 Insert the flash drive into the USB port on the ice machine control board Do not remov...

Page 134: ... the files from website or email onto a flash drive insuring they are not in a folder 2 Ensure that the ice machine s power is on 3 Navigate to USB Menu Service USB 4 Insert the flash drive into the USB port on the ice machine control board Do not remove flash drive until update is complete NOTE See Electronic Control Board on page 200 for USB location 5 Select Upgrade firmware and remove USB driv...

Page 135: ...he control board terminals 55 and 56 at all times Removing the control board fuse or pressing the On Off button will not remove the power supplied to the control board CHECK PROCEDURE 1 If control board lights are energized the fuse is good nWarning Disconnect electrical power to the entire ice machine before proceeding 2 Remove the fuse Check for continuity across the fuse with an ohmmeter Readin...

Page 136: ...ine shuts off The ice machine remains off until enough ice is removed from the storage bin to allow the sheet of cubes to drop clear of the water curtain ice dampers As the water curtain ice dampers swing back to the operating position the bin switch closes and the ice machine restarts provide the 10 minute delay has expired Importan The water curtain ice dampers must be ON bin switch closed to st...

Page 137: ...nutes Erratic Bin Switch Operation Abnormally short less than 30 second harvest times in the data history screen Occasional large slab of ice in bin due to bin switch terminating harvest and starting another freeze cycle before the ice released Ice Damper Binding Sticking Low production may be intermittent with no alert events Owner notices the ice machine is off at a time when it is normally runn...

Page 138: ...witch remains closed the display indicates closed and control board light remains on Go to step 3 C Curtain switch remains open display indicates open and control board light remains off Go to step 3 3 Disconnect bin switch wire from control board 4 Jumper control board bin switch wire to ground press the power button and observe the display and control board lights A Curtain switch closes display...

Page 139: ...n the probe as necessary Water Inlet Valve Safety Shut Off In the event of a water level probe failure this feature limits the maximum amount of time the water inlet valve can remain SINGLE EVAPORATOR MODELS Regardless of the water level probe input the control board automatically shuts off the water inlet valve if it remains on for 12 5 continuous minutes 30 seconds in prechill and two 6 minute p...

Page 140: ...st instances the water trough can t fill in the prechill cycle and the water inlet valve will remain energized into the freeze cycle The water inlet valve will remain energized until water contacts the high water probe The water inlet valve will cycle ON and then OFF one more time to refill the water trough The water inlet valve is now OFF for the duration of the freeze cycle REVERSE OSMOSIS OR DE...

Page 141: ...es touching water NOTE If using reverse osmosis or deionized water increase sensitivity by moving the jumper over one pin refer to Electronic Control Board on page 200 and enabling R O menu Use less water with reverse osmosis 3 Disconnect the water level probe wiring harness from the control board and ohm harness and water level probe Normal readings will show no resistance White Black Red Short P...

Page 142: ...ce machine control system incorporates a 6 minute freeze time lock in feature This prevents the ice machine from short cycling in and out of harvest Maximum Freeze Time The maximum freeze time is 35 minutes at which time the control board automatically initiates a harvest sequence Maximum Temperature Maximum temperature for the ice thickness probe is 120 F 49 C Do not clean probe in a dishwasher o...

Page 143: ...is off to prevent initiating a harvest 1 Inspect the bridge connecting the cubes It should be about 1 8 in 3 mm thick 2 If adjustment is necessary turn the ice thickness probe adjustment screw clockwise to increase bridge thickness or counterclockwise to decrease bridge thickness Set a 9 32 gap between the flat of the ice thickness probe and evaporator as a starting point Then adjust to achieve 1 ...

Page 144: ...obe look for bulging cracks around the nipple and deformed pivot pins or pivot pin arms 6 Verify the ice thickness probe gap is approximately 9 32 7 mm and the ice thickness probe wire and bracket do not restrict movement of the probe See Ice Thickness Probe Initiates Harvest on page 142 7 Reapply power to the ice machine at the main disconnect and confirm the ice machine is off 8 Navigate to Real...

Page 145: ...he ice thickness probe connector is properly plugged into the board and the ice thickness probe wiring is correct If the wiring is incorrect replace the ice thickness probe J11 Connector On Control Board Pin 1 Red Pin 2 Black Pin 3 Twisted Wire 10 Unplug the ice thickness probe and set a VOM to DC voltage scale Measure voltage across Pin 1 Red Wire and Pin 2 Black Wire Refer to Electronic Control ...

Page 146: ...cally when installed If the bin level probe has not been recognized by the control board restore factory defaults and run the startup wizard Normal Operation The control board will initiate a full bin cycle and a 10 minute time delay when both of the following occur 1 The control board receives a temperature input of 360 F or less from the bin probe T5 thermistor at the end of the freeze cycle 2 T...

Page 147: ...in switch curtain is open at the end of a harvest cycle The ice machine will restart when the curtain closes PROBE OPEN TEMPERATURE DISPLAYED READS 220 F A shorted bin level probe wire thermistor will indicate a temperature lower than 100 F This issue will result in the ice machine only stopping on full bin when the bin switch curtain is open at the end of a harvest cycle The ice machine will rest...

Page 148: ...50 160 70 98 930 10 20 50 68 98 930 62 015 20 30 68 86 62 015 39 695 30 40 86 104 39 695 25 070 40 50 104 122 25 070 17 481 50 60 122 140 17 481 11 860 60 70 140 158 11 860 8 1900 70 80 158 176 8 1900 5 7530 80 90 176 194 5 7530 4 1015 90 100 194 212 4 1015 2 9735 100 110 212 230 2 9735 2 1885 110 120 230 248 2 1885 1 6290 120 130 248 266 1 6290 1 2245 130 140 266 284 1 2245 0 9319 140 150 284 302...

Page 149: ...tor Inlet T4 Evaporator Outlet Models with 1 evaporator 2 evaporator circuits See page 204 for graphic T1 Receiver Inlet T2 Receiver Outlet T3 Evaporator Outlet for second evaporator circuit T4 Evaporator Outlet for first evaporator circuit Models with 2 evaporators 1 circuit See page 206 for graphic T1 Receiver Inlet T2 Receiver Outlet T3 Evaporator Outlet for second evaporator circuit T4 Evapora...

Page 150: ...st 1 Disconnect the suspect thermistor from the control board and swap with another thermistor A The symptoms move with the thermistor Replace the thermistor B The symptom does not change Perform control board test Control Board Test 1 Disconnect thermistor from control board The display temperature reading dropping to 10 F 23 C indicates the control board is good 2 Short thermistor pins The displ...

Page 151: ...068 kPa 69 20 68 bar 0 69 R410A 600 psig 10 3147 kPa 69 450 psig 10 3103 kPa 69 Automatic Reset Opening the HPCO will initiate the 5 minute compressor time delay Repeated HPCO opening closing or failure to close will result in an E01 long freeze error CHECK PROCEDURE 1 Connect manifold gauges to ice machine 2 Hook voltmeter in parallel across the fan cycle control leaving wires attached 3 Refer to...

Page 152: ...ut Cut In R404A 12 psig 3 35 psig 5 R410A 20 psig 3 50 psig 5 CHECK PROCEDURE Opening the LPCO will initiate the 5 minute compressor time delay relay Repeated opening closing or failure to close will result in an E01 long freeze error CHECK PROCEDURE 1 Connect manifold gauges to ice machine 2 Hook voltmeter in parallel across the fan cycle control leaving wires attached 3 Refer to chart below LPCO...

Page 153: ...E 1 Verify line voltage is supplied to the condensing unit 2 Disconnect reconnect power to the condensing unit and test for line voltage at terminals 2 3 Line Voltage at Terminals 2 3 Yes Proceed To Next Step No Verify HPCO LCPO are closed 3 Wait 5 minutes for the delay period to expire then test for line voltage at terminals 1 3 Line Voltage at Terminals 1 3 Yes Time Delay is operating correctly ...

Page 154: ... CVDF1400 CVDF1800 CVDF2100 250 psig 5 1723 kPa 34 17 23 bar 34 200 5 1517 kPa 34 15 17 bar 34 CVDT1200 335 psig 5 2310 kPa 34 23 10 bar 34 275 psig 5 1896 kPa 34 18 96 bar 34 CHECK PROCEDURE 1 Verify fan motor windings are not open or grounded and fan spins freely 2 Connect manifold gauges to ice machine 3 Hook voltmeter in parallel across the fan cycle control leaving wires attached 4 Refer to c...

Page 155: ... cycles SPECIFICATIONS 115 Volt or 230 Volt matches the ice machine voltage CHECK PROCEDURE 1 The air pump is wired in parallel with the harvest valve Verify the ice machine is in the harvest cycle and the harvest valve is energized 2 If there is voltage at the air pump connector use a volt ohm meter to verify there is no continuity through the motor windings then replace air pump ...

Page 156: ...res from the compressor terminals 2 The resistance values between C and S and between C and R when added together should equal the resistance value between S and R 3 If the overload is open there will be a resistance reading between S and R and open readings between C and S and between C and R Allow the compressor to cool then check the readings again THREE PHASE COMPRESSORS 1 Disconnect power and...

Page 157: ...p draw while the compressor is trying to start The two likely causes of this are a defective starting component or a mechanically seized compressor To determine which you have 1 Install high and low side gauges 2 Try to start the compressor 3 Watch the pressures closely A If the pressures do not move the compressor is seized Replace the compressor B If the pressures move the compressor is turning ...

Page 158: ...nals before testing Relay The relay has a set of contacts that connect and disconnect the start capacitor from the compressor start winding The contacts on the relay are normally closed start capacitor in series with the start winding The relay senses the voltage generated by the start winding and opens the contacts as the compressor motor starts The contacts remain open until the compressor is de...

Page 159: ...malfunctions at night and or fails whenever the outdoor temperature drops A service fault is stored in control board memory Refrigerant loss and ambient temperature are directly related to each other As the ambient temperature drops more refrigerant is stored in the condenser When the refrigerant charge and ambient temperature create an undercharge of refrigerant in the freeze cycle the receiver d...

Page 160: ... receiver tank to enter the evaporator The refrigerants change of state from vapor to liquid releases the heat necessary for the Harvest cycle Opening the harvest valve causes a drop in discharge pressure The discharge pressure will drop below the condenser fan cycling control setpoint and the condenser fan motor cycles off at ambient temperatures above 110 F 43 C the condenser fan motor remains e...

Page 161: ...red refer to the chart NOTE A head pressure control valve that will not bypass will function properly with condenser air temperatures of approximately 70 F 21 C or above When the temperature drops below 70 F 21 C the head pressure control valve fails to bypass and the ice machine malfunctions Lower ambient conditions can be simulated by rinsing the condenser with cool water during the freeze cycle...

Page 162: ...rd memory a flashing triangle alert and Long Freeze or Long Harvest is displayed Harvest cycle suction pressure is low Harvest cycle discharge pressure is low Liquid line entering receiver feels warm to hot in the freeze cycle Overcharge Symptoms E02 Long Harvest in control board memory a flashing triangle alert and after pressing left arrow Long Harvest is displayed Harvest cycle discharge pressu...

Page 163: ...ms to be temperature related Example The ice machine may function correctly at temperatures above 32 F but fails at temperatures below 32 F Harvest cycle suction pressure is low Harvest cycle discharge pressure is normal or slightly low Procedure 1 Freeze cycle operation must be normal before diagnosing the head pressure in the harvest cycle Refer to Cycle Times 24 hr Ice Production Refrigerant Pr...

Page 164: ...E FAILURE LIST Temperature of the compressor discharge line and liquid line to the ice machine receiver feel the same 30 seconds into the harvest cycle The head pressure control valve is functioning correctly The compressor discharge line is noticeably warmer than the liquid line to the ice machine receiver Head pressure control valve is not bypassing 100 Replace head pressure control valve ...

Page 165: ...e The suction accumulator empties within the first 5 minutes of the freeze cycle When the refrigeration affect ends liquid refrigerant has been removed the suction line between the accumulator and compressor will increase in temperature The suction line temperature increases 20 plus degrees within 2 minutes after the liquid has been removed 1 Minute 2 Minutes 3 Minutes 4 Minutes 5 Minutes 6 Minute...

Page 166: ... Manitowoc OEM liquid line filter drier to prevent voiding the warranty Notic Recovery evacuation of a QuietQube remote system requires connections at either 4 or 5 recovery points for complete system recovery evacuation Check valves are located in the ice machine head section and the CVD condensing unit Five point requires connections between the compressor and suction filter access valve receive...

Page 167: ... evacuation or recovery procedures Connection of a manifold gauge set or a hose with core depressors on both ends between the suction filter access port and the compressor access valve located between the compressor and discharge line check valve is required Make these connections Ice Machine Head Section CVD Condensing Unit Receiver Service Valve Compressor Discharge Access Valve Low Side Access ...

Page 168: ...d gauges charging scale and recovery unit or two stage vacuum pump 3 Open high and low side on the manifold gauge set 4 Perform recovery or evacuation A Recovery Operate the recovery unit as directed by the manufacturer s instructions B Pressure test the system C Evacuation prior to recharging Evacuate to 500 microns Then allow the pump to run for an additional hour 5 Refer to Charging Procedures ...

Page 169: ...he ice machine and wait until the freeze cycle starts then add the remaining charge through valves on back of ice making head or through valves on suction filter 5 Disconnect the manifold gauge set from the liquid line shut off valve 6 Open the high and low side valves on the manifold gauge set Any refrigerant in the lines will be pulled into the low side of the system 7 Allow the pressures to equ...

Page 170: ...ually provides the first indication of system contamination Obvious moisture or an acrid odor in the refrigerant indicates contamination If either condition is found or if contamination is suspected use a Total Test Kit from Totaline or a similar diagnostic tool These devices sample refrigerant eliminating the need to take an oil sample Follow the manufacturer s directions If a refrigerant test ki...

Page 171: ...d or acid oil test shows contamination No burnout deposits in open compressor lines Mild contamination cleanup procedure Mild Compressor Burnout symptoms Oil appears clean but smells acrid Refrigeration test kit or acid oil test shows harmful acid content No burnout deposits in open compressor lines Mild contamination cleanup procedure Severe Compressor Burnout symptoms Oil is discolored acidic an...

Page 172: ...4 Follow the normal evacuation procedure except replace the evacuation step with the following A Pull vacuum to 1000 microns Break the vacuum with dry nitrogen and sweep the system Pressurize to a minimum of 5 psig 35 kPa 35 bar B Pull vacuum to 500 microns Break the vacuum with dry nitrogen and sweep the system Pressurize to a minimum of 5 psig 35 kPa 35 bar C Change the vacuum pump oil D Pull va...

Page 173: ...nd discharge lines at compressor 4 Sweep through the open system with dry nitrogen Importan Refrigerant sweeps are not recommended as they release refrigerant into the atmosphere 5 Install a new compressor and new start components 6 Install a suction line filter drier with acid and moisture removal capability Place the filter drier as close to the compressor as possible 7 Install an access valve a...

Page 174: ...m pump for 1 hour NOTE You may perform a standing vacuum test to make a preliminary leak check You should use an electronic leak detector after system charging to be sure there are no leaks 10 Charge the system with the proper refrigerant to the nameplate charge 11 Operate the ice machine for one hour Then check the pressure drop across the suction line filter drier A If the pressure drop is less ...

Page 175: ...The size of the filter drier is important The refrigerant charge is critical Using an improperly sized filter drier will cause the ice machine to be improperly charged with refrigerant Importan Driers are covered as a warranty part The drier must be replaced any time the system is opened for repairs SUCTION FILTER The suction filter on QuietQube CVD condensing units traps particulate only and do n...

Page 176: ...low all manufacturer s instructions supplied with the pinch off tool Position the pinch off tool around the tubing as far from the pressure control as feasible See the figure on next page Clamp down on the tubing until the pinch off is complete nWarning Do not unsolder a defective component Cut it out of the system Do not remove the pinch off tool until the new component is securely in place 3 Cut...

Page 177: ...g Unit Refrigerant Charge Line Set Length IF0600C CVDF0600 10 50 lbs 4 76kg 0 50 ft 0 15 m 12 00 lbs 5 54 kg 51 100 ft 15 30 m IBF0620C CVDF0600 11 00 lbs 4 99 kg 0 50 ft 0 15 m 12 50 lbs 5 67 kg 51 100 ft 15 30 m IBF0820C CVDF900 8 00 lbs 3 63 kg 0 50 ft 0 15 m 10 00 lbs 4 54 kg 51 100 ft 15 30 m IF0900C CVDF0900 8 00 lbs 3 63 kg 0 50 ft 0 15 m 10 00 lbs 4 54 kg 51 100 ft 15 30 m IBT1020C CVDT120...

Page 178: ... 5 19 Model Condensing Unit Refrigerant Charge Line Set Length IF1800C CVDF1800 15 00 lbs 6 80 kg 0 50 ft 0 15 m 17 00 lbs 7 71 kg 51 100 ft 15 30 m IF2100C CVDF2000 18 00 lbs 8 16 kg 0 50 ft 0 15 m 22 00 lbs 9 98kg 51 100 ft 15 30 m ...

Page 179: ...re considered normal This is due to variances in water and air temperature Actual temperatures will seldom match the chart exactly Refer to Troubleshooting on page 81 for the data that must be verified for refrigeration diagnostics Zero out manifold gauge set before obtaining pressure readings to avoid mis diagnosis Discharge and suction pressure are highest at the beginning of the cycle Suction p...

Page 180: ... 13 9 110 43 11 0 12 6 12 0 13 8 13 2 15 1 1 Times in minutes Dice cube 24 Hour Ice Production Air Temp Entering Condenser F C Water Temperature F C 50 10 70 21 90 32 20 to 70 29 to 21 640 600 560 80 27 615 575 535 90 32 595 555 515 100 38 565 525 485 110 43 530 490 450 1 Based on average ice slab weight of 4 60 5 20 lb Operating Pressures Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle...

Page 181: ... 43 11 0 12 6 12 0 13 8 13 2 15 1 1 Times in minutes Dice cube 2 Preliminary Data 24 Hour Ice Production Air Temp Entering Condenser F C Water Temperature F C 50 10 70 21 90 32 20 to 70 29 to 21 640 600 560 80 27 615 575 535 90 32 595 555 515 100 38 565 525 485 110 43 530 490 450 1 Based on average ice slab weight of 4 60 5 20 lb Operating Pressures Air Temp Entering Condenser F C Freeze Cycle Har...

Page 182: ... 43 13 0 14 9 14 0 16 0 14 9 17 0 1 Times in minutes Dice cube 24 Hour Ice Production Air Temp Entering Condenser F C Water Temperature F C 50 10 70 21 90 32 20 to 70 29 to 21 825 770 720 90 32 750 675 640 100 38 650 600 560 110 43 570 535 505 1 Based on average ice slab weight of 5 75 6 50 lb Operating Pressures Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure psig Su...

Page 183: ... 43 12 5 14 4 13 4 15 4 14 3 16 3 1 Times in minutes Dice cube 24 Hour Ice Production Air Temp Entering Condenser F C Water Temperature F C 50 10 70 21 90 32 20 to 70 29 to 21 795 760 715 90 32 730 695 650 100 38 660 620 580 110 43 590 555 525 1 Based on average ice slab weight of 5 75 6 50 lb Operating Pressures Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure psig Su...

Page 184: ...mes in minutes Dice cube 24 Hour Ice Production Air Temp Entering Condenser F C Water Temperature F C 50 10 70 21 90 32 20 to 70 29 to 21 1165 1115 1005 80 27 1125 1075 965 90 32 1085 1015 945 100 38 1035 965 855 110 43 925 875 775 1 Based on average ice slab weight of 6 2 7 2 lb Operating Pressures Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure psig Suction Pressure...

Page 185: ...1 Times in minutes Dice cube 24 Hour Ice Production Air Temp Entering Condenser F C Water Temperature F C 50 10 70 21 90 32 20 to 70 29 to 21 1075 1005 955 80 27 1025 975 925 90 32 985 940 870 100 38 910 890 780 110 43 860 800 745 1 Based on average ice slab weight of 6 2 7 2 lb Operating Pressures Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure psig Suction Pressure ...

Page 186: ... Ice Production Air Temp Entering Condenser F C Water Temperature F C 50 10 70 21 90 32 20 to 70 29 to 21 1350 1255 1100 90 32 1210 1135 990 100 38 1130 1000 930 110 43 1065 940 875 1 Ice slab weight of one harvest cycle 12 0 lb to 14 0 lb 6 0 to 7 0 lbs per evaporator 5 44 kg to 6 35 kg 2 72 to 3 18 kg per evaporator 230 50 1 is approximately 12 lower than 230 60 1 Operating Pressures Air Temp En...

Page 187: ...ur Ice Production Air Temp Entering Condenser F C Water Temperature F C 50 10 70 21 90 32 20 to 70 29 to 21 1715 1520 1410 90 32 1520 1375 1240 100 38 1415 1250 1160 110 43 1320 1160 1075 1 Ice slab weight of one harvest cycle 15 5 lb to 16 75 lb 7 75 8 38 lb per evaporator 7 0 kg to 7 6 kg 3 5 to 3 8 kg per evaporator 230 50 1 is approximately 12 lower than 230 60 1 Operating Pressures Air Temp E...

Page 188: ...e 24 Hour Ice Production Air Temp Entering Condenser F C Water Temperature F C 50 10 70 21 90 32 20 to 70 29 to 21 1920 1785 1670 80 27 1800 1690 1565 90 32 1760 1655 1470 100 38 1610 1500 1375 110 43 1500 1405 1315 1 Ice slab weight of one harvest cycle 15 5 lb to 16 75 lb 7 75 8 38 lb per evaporator 7 0 kg to 7 6 kg 3 5 to 3 8 kg per evaporator 230 50 1 is approximately 12 lower than 230 60 1 Op...

Page 189: ...ctrical circuitry Some components are wired differently on energy efficient machines Please verify your model number CVD Condensing Units on page 20 to reference the correct diagrams WIRING DIAGRAM LEGEND The following symbols are used on all of the wiring diagrams Equipment Ground Wire Number Designation The number is marked at each end of the wire Multi Pin Connection Electrical Box Side Compres...

Page 190: ...C 1PH QuietQube Ice Machine Head Section 56 1 42 55 49 3 22 41 19 28 32 45 58 34 57 34 54 L1 N GND 75 WHT 21 BLU 20 YEL 82 WHT 77 RED 60 BLK 80 WHT 61 RED 57 GRY 58 ORG 22 WHT 99 WHT 76 BLK 55 BRN 81 WHT 83 ORG 27 WHT 97 WHT 56 WHT 98 BLK 28 RED 8 WHT 9 GRN 000014655_02 ...

Page 191: ...Probe 34 LED 41 See Control Board Schematic For Detail 42 Solenoid Valve Harvest 45 Solenoid Valve Liquid Line 49 Thermistors 54 Transformer Control Board 55 Water Dump Valve 56 Water Inlet Valve 57 Water Level Probe 58 Water Pump Wire Colors BLK Black BLU Blue BRN Brown GRY Grey ORG Orange PRPL Purple RED Red WHT White YEL Yellow Refer to control board schematic for control board detail ...

Page 192: ...ne Head Section 56 1 42 55 43 49 3 22 41 19 28 32 45 58 34 57 34 1 54 L1 N GND 75 WHT 21 BLU 20 YEL 82 WHT 77 RED 60 BLK 80 WHT 61 RED 57 GRY 58 ORG 22 WHT 99 WHT 29 RED 76 BLK 55 BRN 81 WHT 83 ORG 27 WHT 97 WHT 56 WHT 98 BLK 27 WHT 30 WHT 28 RED 28 RED 8 WHT 9 GRN 000014655_02 ...

Page 193: ... See Control Board Schematic For Detail 42 Solenoid Valve Harvest 43 Solenoid Valve Harvest 45 Solenoid Valve Liquid Line 49 Thermistors 54 Transformer Control Board 55 Water Dump Valve 56 Water Inlet Valve 57 Water Level Probe 58 Water Pump Wire Colors BLK Black BLU Blue BRN Brown ORG Orange RED Red WHT White YEL Yellow Refer to control board schematic for control board detail ...

Page 194: ...Section 000015237_00 56 1 42 55 43 49 3 22 41 19 28 32 45 58 34 57 34 1 54 L1 N GND 22 WHT 21 BLU 20 BLU 80 WHT 77 RED WHT 60 BLK 82 WHT 61 RED 57 GRY 58 ORG N 80 WHT 25 RED 76 BLK 55 BRN 79 WHT 83 ORG 92 WHT 82 WHT 56 WHT 98 GRY 28 WHT 26 WHT 91 RED 27 RED 8 WHT 9 GRN 62 RED WHT 99 WHT 75 WHT ...

Page 195: ...ntrol Board Schematic For Detail 42 Solenoid Valve Harvest Left Hand 43 Solenoid Valve Harvest Right Hand 45 Solenoid Valve Liquid Line 49 Thermistors 54 Transformer Control Board 55 Water Dump Valve 56 Water Inlet Valve 57 Water Level Probe 58 Water Pump Wire Colors BLK Black BLU Blue BRN Brown GRY Grey ORG Orange RED Red WHT White Refer to control board schematic for control board detail ...

Page 196: ...431 Rev01 5 19 CVD 1PH CONDENSING UNIT QuietQube CVD Condensing Unit BLU BLU L1 RED 2 YEL 46 RED BLK PRPL PRPL BLK 44 BLU 1 76 YEL 50 BLU 74 RED 3 43 BLK 75 RED BLK L2 GRND 8 15 11 29 12 14 10 5 17 31 36 18 18 000014543_01 7 ...

Page 197: ...ressor Potential Relay 10 Compressor Time Delay Relay 11 Compressor Run Capacitor 12 Compressor Start Capacitor 14 Condenser Fan Motor 15 Condenser Fan Motor Run Capacitor 17 Contactor Contacts 18 Contactor Coil 31 High Pressure Cutout 36 Low Pressure Cutout Wire Colors BLK Black BLU Blue PRPL Purple RED Red YEL Yellow ...

Page 198: ...t Number 000015431 Rev01 5 19 CVD 3PH CONDENSING UNIT QuietQube CVD Condensing Unit 15 25 14 10 5 18 31 36 17 BLU BLU L1 RED 2 YEL 75 RED BLK PRPL PRPL BLK 1 76 YEL 74 RED 3 75 RED BLK L2 GRND L3 000014543_01 ...

Page 199: ...ber Component 5 Compressor 10 Compressor Time Delay Relay 14 Condenser Fan Motor 15 Condenser Fan Motor Run Capacitor 17 Contactor Contacts 18 Contactor Coil 31 High Pressure Cutout 36 Low Pressure Cutout Wire Colors BLK Black BLU Blue PRPL Purple RED Red YEL Yellow ...

Page 200: ...015431 Rev01 5 19 Electronic Control Board 22 38 34 1 34 2 3 34 10 34 9 34 8 34 7 34 6 34 5 34 4 34 3 2 5 58 56 42 55 43 34 34 34 34 34 34 49 1 49 7 49 6 49 5 49 4 49 3 49 2 33 31 28 57 71 72 70 73 1 2 3 4 5 6 7 8 9 74 75 ...

Page 201: ...Left Hand 43 Relay Solenoid Valve Harvest Right Hand 49 1 Thermistor T1 Liquid Line Temperature 49 2 Thermistor T2 Discharge Line Temperature 49 3 Thermistor T3 Evaporator Inlet Temperature Single Evaporator models Evaporator Outlet Temperature Dual Evaporator Models 49 4 Thermistor T4 Evaporator Outlet Temperature 49 5 Thermistor T5 Bin Level Probe 49 6 Thermistor T6 Potable water Temperature 49 ...

Page 202: ...202 Part Number 000015431 Rev01 5 19 Refrigeration Tubing Schematics IF0600C CVDF0600 IB0620C CVDF0600 IBF0820 CVDF0900 IF0900C CVDF0900 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 14 17 18 T1 T2 T3 T4 ...

Page 203: ...Valve 6 Liquid Line Check Valve 7 Receiver 8 Receiver Access Valve 9 Liquid Line Filter Drier 10 Liquid Line Solenoid Valve 11 Heat Exchanger 12 TXV Thermostatic Expansion Valve 13 Evaporator 14 Harvest Solenoid Valve 15 Suction Shut off Valve 16 S Trap Required on 21 or greater rise 17 Suction line Filter 18 Accumulator T1 Thermistor Receiver Inlet T2 Thermistor Receiver Outlet T3 Thermistor Evap...

Page 204: ...204 Part Number 000015431 Rev01 5 19 IBT1020C CVDT1200 IT1200C CVDT1200 1 2 3 4 5 6 7 8 9 10 12 13 14 17 18 16 12 14 15 11 T1 T2 T3 T4 ...

Page 205: ...ne Check Valve 7 Receiver 8 Receiver Access Valve 9 Liquid Line Filter Drier 10 Liquid Line Solenoid Valve 11 Heat Exchanger 12 TXV Thermostatic Expansion Valve 13 Evaporator 14 Harvest Solenoid Valve 15 Suction Shut off Valve 16 S Trap Required on 21 or greater rise 17 Suction line Filter 18 Accumulator T1 Thermistor Receiver Inlet T2 Thermistor Receiver Outlet T3 Thermistor Evaporator Outlet T4 ...

Page 206: ...206 Part Number 000015431 Rev01 5 19 Dual Evaporators IF1400C IF1800C 1 2 3 4 5 6 7 8 10 11 12 13 15 16 17 13 12 14 14 9 18 T3 T2 T1 T4 ...

Page 207: ...alve 7 Receiver 8 Receiver Access Valve 9 Liquid Line Filter Drier 10 Liquid Line Solenoid Valve 11 Heat Exchanger 12 TXV Thermostatic Expansion Valve 13 Evaporator 14 Harvest Solenoid Valve 15 Suction Shut off Valve 16 S Trap Required on 21 or greater rise 17 Suction line Filter 18 Accumulator T1 Thermistor Receiver Inlet T2 Thermistor Receiver Outlet T3 Thermistor Evaporator Outlet T4 Thermistor...

Page 208: ...208 Part Number 000015431 Rev01 5 19 IF2100C 1 2 3 4 5 6 7 10 11 12 13 15 16 17 13 12 14 14 9 18 11 12 12 T4 T3 T1 T2 ...

Page 209: ... Check Valve 7 Receiver 9 Liquid Line Filter Drier 10 Liquid Line Solenoid Valve 11 Heat Exchanger 12 TXV Thermostatic Expansion Valve 13 Evaporator 14 Harvest Solenoid Valve 15 Suction Shut off Valve 16 S Trap Required on 21 or greater rise 17 Suction line Filter 18 Accumulator T1 Thermistor Receiver Inlet T2 Thermistor Receiver Outlet T3 Thermistor Evaporator Outlet T4 Thermistor Evaporator Outl...

Page 210: ...210 Part Number 000015431 Rev01 5 19 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 211: ......

Page 212: ...tions Our cutting edge designs and lean manufacturing tactics are powered by deep knowledge operator insights and culinary expertise All of our products are backed by KitchenCare our aftermarket repair and parts service Bringing innovation to the table WWW WELBILT COM CLEVELAND CONVOTHERM DELFIELD FITKITCHEN FRYMASTER GARLAND KOLPAK LINCOLN MANITOWOC MERCO MERRYCHEF MULTIPLEX 2018 Welbilt Inc exce...

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