R&R-Evaporator, To Replace the Evaporator, Page | Ice-O-Matic MFI

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

Contents

11100 East 45th Ave SERVICE AND INSTALLATION MANUAL MFI SeriesIce-O-Matic Denver, ColoradoPage Keep this manual for future reference MFI SeriesIntroduction Page MFI Series Table Of ContentsTable of Contents Page Visible Loss or Damage Freight Claim ProcedureInspect Promptly Concealed Loss or Damage MFI Series WarrantyPage Electrical Specifications For the InstallerInstallation Guidelines Adjustments MFI Series For The InstallerPage For the Installer Ice Machine SpecificationsBin Application MFI Series Ice machine LocationStorage Bin Water Limitations Allow 6 “Clearance for Air Circulation For the InstallerMFI Series Page WATER COOLED MODELS For the PlumberWater Inlet AIR COOLED MODELS Water Cooled Models For the ElectricianElectrical Connections Air Cooled Models MFI Series Final Check ListFor the Installer Page Start Up Start UpPre-StartInspection MFI Series MFI Series Component DescriptionAir Cooled Model Shown Page Potential Relay The compressor start relay MFI SeriesComponent Description Page Page MFI SeriesComponent Description Ice Sweep Bearing Breaker/Divider Auger Electrical Sequence To ResetElectrical Sequence Shut Down MFI Series Operation WaterWater System Page Operation Performance High Pressure Cut Out- Automatic ResetLow Pressure Cut Out- Automatic Reset Typical Low Side Pressure scheduled at a minimum of twice a year Sanitizing and CleaningICE MAKING SYSTEM In place cleaning KEEP OUT OF THE REACH OF CHILDREN Note Left Hand Threads Bearing MaintenanceBearing Maintenance MFI Series Water Sensor Sensor MaintenanceBin Control Sensor MFI Series MFI Series Maintenance Air CooledClean the air cooled condenser Page Auger Auger Maintenance1. Disconnect electrical power to the ice machine 2. Turn off the water supply to the ice machine Possible Cause Service DiagnosisSymptom Probable Correction MFI Series Service DiagnosisSymptom Possible Cause MFI Series Control System Diagnostics4.High pressure cut out check Page Bin Controls Ice Level Sensors R&R- Water Reservoir, Bin ControlWater Reservoir MFI Series MFI Series To Remove the Breaker Bearing AssemblyR&R-Bearingand Breaker Page MFI Series R&R-AugerTo Remove the Auger Page Removal of the Water Seal R&R-WaterSealTo Remove the Water Seal To Replace the Water Seal To Reassemble the Evaporator and Auger R&R-EvaporatorTo Replace the Evaporator MFI Series To Check the Gear Motor To Remove and Repair the Gear Motor AssemblyR&R-GearMotor To Inspect the Gear Motor MFI Series To Remove the Condenser Fan Motor AssemblyR&R-FanBlade and Motor Page Refrigeration Refrigeration System ServiceService Instructions for Liquid Charging R404A MFI Series MFI0500 Wiring DiagramWiring Diagram MFI0500 Air, MFI0500 Water Page MFI Series MFI0800 Wiring DiagramPage MFI Series MFI0805/1255 Wiring DiagramWiring Diagram MFI0805, MFI1255 Air Page MFI Series MFI1256 Wiring DiagramWiring Diagram MFI1256 Air Page MFI Series Service HistoryWhat to Do Before Calling for Service Page