Manitowoc Manitowoc NEO U0140 Series, Installation, Operation And Maintenance Manual

Page 1: ...Part Number 040005890 Rev 04 02 19 UnderCounter Ice Machines Installation Operation and Maintenance Manual Caution Read this instruction before operating this equipment ...

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Page 3: ...nt personal injury during installation of this equipment Installation must comply with all applicable equipment fire and health codes with the authority having jurisdiction To avoid instability the installation area must be capable of supporting the combined weight of the equipment and product Additionally the equipment must be level side to side and front to back Ice machines require a deflector ...

Page 4: ...ors or hallways of public buildings DANGER Follow these precautions to prevent personal injury during use and maintenance of this equipment It is the responsibility of the equipment owner to perform a Personal Protective Equipment Hazard Assessment to ensure adequate protection during maintenance procedures Do Not Store Or Use Gasoline Or Other Flammable Vapors Or Liquids In The Vicinity Of This O...

Page 5: ...cal Service 10 Voltage 10 Fuse Circuit Breaker 10 Total Circuit Ampacity 10 Ground Fault Circuit Interrupter 10 Electrical Specifications 10 Water Service Drains 11 Water Supply 11 Water Inlet Lines 11 Drain Connections 11 Cooling Tower Applications 11 Water Supply Drain Line Sizing Connections 11 Ice Thickness Adjustment 12 Before Starting the Ice Machine 12 Installation Checklist 12 Section 3 Op...

Page 6: ...05890 Rev 04 02 19 Table of Contents continued Ice Machine Inspection 20 Exterior Cleaning 20 Cleaning the Condenser 20 Removal from Service Winterization 20 Section 5 Troubleshooting Checklist 21 Safety Limit Feature 22 ...

Page 7: ... Information Ice machine series U Undercounter Ice type R Regular D Dice Y Half dice F Flake N Nugget G Gourmet Refrigerant type P R290 propane F R404A four T R410A ten B R600A butane E R134a eight Norninal production 70 50 0140 Produces 140 day 0190 Produces 190 day 0240 Produces 240 day 0310 Produces 310 day Electrical configuration 161 115 60 1 261 208 230 60 1 251 220 240 50 1 S 230 263 208 23...

Page 8: ...LEANUP 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 lights will release mercury and mercury vapor The broken bulb can continue to release mercury vapor until it is cleaned up and removed T...

Page 9: ...achine must be removed Location Self Contained Air Cooled Self Contained Water Cooled Top Sides 5 127 mm 5 127 mm Back 5 127 mm 5 127 mm NOTE The ice machine may be built into a cabinet There is no minimum clearance requirement for the top or left and right sides of the ice machine The listed values are recommended for efficient operation and servicing only Series Ice Machine Heat of Rejection Ice...

Page 10: ...ian GROUND FAULT CIRCUIT INTERRUPTER Ground Fault Circuit Interrupter GFCI GFI protection is a system that shuts down the electric circuit opens it when it senses an unexpected loss of power presumably to ground Manitowoc does not recommend the use of a GFCI GFI circuit protection with our equipment If code requires the use of a GFCI GFI then you must follow the local code The circuit must be dedi...

Page 11: ...ling tower installation does not require modification of the ice machine The water regulator valve for the condenser continues to control the refrigeration discharge pressure It is necessary to know the amount of heat rejection and the pressure drop through the condenser and water valves inlet and outlet when using a cooling tower on an ice machine Water entering the condenser must not exceed 90 F...

Page 12: ...eting the Operational Checks are the responsibilities of the owner and operator Adjustments and maintenance procedures outlined in this manual are not covered by the warranty INSTALLATION CHECKLIST Checklist Item Has the ice machine been installed where ambient temperatures will remain in the range of 40 110 F 4 43 C Has the ice machine been installed where the incoming water temperature will rema...

Page 13: ...ill start a 12 hour delay period Pressing the button three times will start a 24 hour delay period Pressing the button four times will cancel the delay periods NOTE The delay period will be canceled if power is interrupted to the ice machine When power is restored the ice machine will remain Off CLEAN Pressing the Clean button for 3 seconds with the machine off will start a clean cycle After the c...

Page 14: ...oid energizes for 7 seconds Water flowing across the evaporator will start to freeze and build ice on the evaporator After a sheet of ice has formed the harvest float switch signals the control board to start a harvest cycle Harvest Cycle Any remaining water is purged down the drain as refrigerant gas warms the evaporator When the evaporator warms the sheet of cubes slides off the evaporator and i...

Page 15: ...If the harvest time reaches 3 5 minutes the control board automatically energizes the water pump and extends the harvest cycle another 3 5 minutes 7 minutes total If the ice damper does not open and close within the 7 minute harvest cycle the ice machine enters a water thaw cycle for 170 seconds If the damper does not open and close within the 170 second thaw cycle a second thaw cycle starts The c...

Page 16: ...16 Part Number 040005890 Rev 04 02 19 Operation Section 3 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 17: ...atically start when the clean cycle is complete Setting the ice machine to stop after the clean cycle Press the On Off button The On Off light will de energize indicating the ice machine will stop after the clean cycle Pausing the cleaning cycle Press the Clean button The clean light will flash indicating the clean cycle has paused Pressing the Clean button again will restart the clean cycle NOTE ...

Page 18: ...eas thoroughly with clean water Step 7 Mix a solution of sanitizer and warm water Solution Type Water Mixed With Sanitizer 3 gal 12 l 2 oz 60 ml sanitizer Use half of the sanitizer and water solution to sanitize all removed components Use a spray bottle to liberally apply the solution to all surfaces of the removed parts or soak the removed parts in the sanitizer and water solution Do not rinse pa...

Page 19: ...ch float are different and will not allow incorrect electrical bulkhead connection Wire Connectors Are Located Behind Bulkhead Pull Through Grommet To Disconnect Harvest Float Switch Bracket Ice Thickness Float Switch Bracket Lower Thumbscrew Thumbscrew Thermistor Bracket B Remove water trough thermistor and water trough While supporting the water trough remove the upper thumbscrew and lift off th...

Page 20: ...e EXTERIOR CLEANING Clean the area around the ice machine as often as necessary to maintain cleanliness and efficient operation Sponge any dust and dirt off the outside of the ice machine with mild soap and water Wipe dry with a clean soft cloth Clean up any fallen ice or water spills as they occur CLEANING THE CONDENSER A dirty condenser restricts airflow resulting in excessively high operating t...

Page 21: ...machine is not level Level the ice machine Low air temperature around ice machine air cooled models Air temperature must be at least 40 F 4 C Water regulating valve leaks in harvest mode water cooled models Replace water regulating valve Ice machine does not cycle into harvest mode The six minute freeze time lock in has not expired yet Wait for freeze lock in to expire Harvest float switch is dirt...

Page 22: ...fety Limit Feature In addition to the standard safety controls such as the high pressure cutout your Manitowoc ice machine features built in safety limits which will stop the ice machine if conditions arise which could cause a major component failure Before calling for service re start the ice machine using the following procedure 1 Press the On Off button and turn off the ice machine then press t...

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