Ice-O-Matic MFI R&R-Evaporator, To Replace the Evaporator, To Reassemble the Evaporator and Auger

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R&R-Evaporator

MFI Series

R&R-Evaporator

To Replace the Evaporator:

(Assuming all steps for removal of the thrust bearing, breaker, auger and water seal have been performed).

1.Recover the refrigerant from the ice machine.

2.Unsweat the refrigerant connections:

a.At the thermostatic expansion valve outlet.

b.At the suction line at the joint about three (3) inches from the evaporator.

3.Remove the evaporator.

4.Unsweat the drier from the liquid line.

5.After installing a new water seal in the new evaporator (see “to Replace the Water Seal) sweat in the new evaporator at the old tubing connections.

6.Install a new drier in the liquid line.

7.Evacuate the system until dehydrated, then weigh in the nameplate charge. Check for leaks.

8.Install auger, breaker, breaker bearing assembly and ice discharge chute in reverse order of disassembly.

To Reassemble the Evaporator and Auger:

1.After the gear motor has been inspected, fasten the evaporator to the gear motor. Torque the bolts to 110 inch pounds

2.Lower the auger into the evaporator barrel, slightly turning it to match up with the drive end. Do Not Drop the auger into the evaporator.

3.Complete the reassembly by reversing the disassembly for the breaker and thrust bearing.

Ice Sweep

Ice Chute

Breaker/Divider

Auger

Evaporator

Caution: Heat sink the TXV body when unsweating or resweating the adjacent tubing.

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Contents 11100 East 45th Ave SERVICE AND INSTALLATION MANUAL MFI SeriesIce-O-Matic Denver, ColoradoPage Keep this manual for future reference MFI SeriesIntroduction PageMFI Series Table Of ContentsTable of Contents PageVisible Loss or Damage Freight Claim ProcedureInspect Promptly Concealed Loss or DamageMFI Series WarrantyPage Electrical Specifications For the InstallerInstallation Guidelines AdjustmentsMFI Series For The InstallerPage For the Installer Ice Machine SpecificationsBin Application MFI SeriesIce machine LocationStorage Bin Water LimitationsAllow 6 “Clearance for Air Circulation For the InstallerMFI Series PageWATER COOLED MODELS For the PlumberWater Inlet AIR COOLED MODELSWater Cooled Models For the ElectricianElectrical Connections Air Cooled ModelsMFI Series Final Check ListFor the Installer PageStart Up Start UpPre-StartInspection MFI SeriesMFI Series Component DescriptionAir Cooled Model Shown PagePotential Relay The compressor start relay MFI SeriesComponent Description PagePage MFI SeriesComponent Description Ice Sweep Bearing Breaker/Divider AugerElectrical Sequence To ResetElectrical Sequence Shut DownMFI Series Operation WaterWater System PageOperation Performance High Pressure Cut Out- Automatic ResetLow Pressure Cut Out- Automatic Reset Typical Low Side Pressurescheduled at a minimum of twice a year Sanitizing and CleaningICE MAKING SYSTEM In place cleaning KEEP OUT OF THE REACH OF CHILDRENNote Left Hand Threads Bearing MaintenanceBearing Maintenance MFI SeriesWater Sensor Sensor MaintenanceBin Control Sensor MFI SeriesMFI Series Maintenance Air CooledClean the air cooled condenser PageAuger Auger Maintenance1. Disconnect electrical power to the ice machine 2. Turn off the water supply to the ice machinePossible Cause Service DiagnosisSymptom Probable CorrectionMFI Series Service DiagnosisSymptom Possible CauseMFI Series Control System Diagnostics4.High pressure cut out check PageBin Controls Ice Level Sensors R&R- Water Reservoir, Bin ControlWater Reservoir MFI SeriesMFI Series To Remove the Breaker Bearing AssemblyR&R-Bearingand Breaker PageMFI Series R&R-AugerTo Remove the Auger PageRemoval of the Water Seal R&R-WaterSealTo Remove the Water Seal To Replace the Water SealTo Reassemble the Evaporator and Auger R&R-EvaporatorTo Replace the Evaporator MFI SeriesTo Check the Gear Motor To Remove and Repair the Gear Motor AssemblyR&R-GearMotor To Inspect the Gear MotorMFI Series To Remove the Condenser Fan Motor AssemblyR&R-FanBlade and Motor PageRefrigeration Refrigeration System ServiceService Instructions for Liquid Charging R404AMFI Series MFI0500 Wiring DiagramWiring Diagram MFI0500 Air, MFI0500 Water PageMFI Series MFI0800 Wiring DiagramPage MFI Series MFI0805/1255 Wiring DiagramWiring Diagram MFI0805, MFI1255 Air PageMFI Series MFI1256 Wiring DiagramWiring Diagram MFI1256 Air PageMFI Series Service HistoryWhat to Do Before Calling for Service Page