For the Plumber, Water Inlet, Water Cooled Models | Ice-O-Matic MFI

For the Plumber

MFI Series

For the Plumber

Water Inlet:

●Air Cooled Models: The recommended water supply is clean, cold water. Use 3/8 inch O.D. copper tubing, connect to the 3/8 inch male flare at the back of the cabinet. Install a hand valve near the machine to control the water supply.

●Water Cooled Models: A separate 3/8 inch O.D. copper line is recommended, with a separate hand valve to control it. Connect to the 3/8 inch FPT condenser inlet at the back of the cabinet. The water pressure to all lines must always be above 20 psig, and below 80 psig.

●Water Treatment: In most areas, a water filter of some type will be useful. In areas where the water is highly concentrated with minerals, the water should be tested by a water treatment specialist, and the recommendations of the specialist regarding filtration and/or treatment should be followed.

Drains:

●Air Cooled Models: Connect a rigid drain tube to the ¾ FPT drain fitting at the back of the cabinet. The drain is a gravity type, and a ¼ inch per foot fall is the minimum acceptable pitch for the drain. There should be a vent at the highest point of the drain line, and the ideal drain receptacle would be a trapped and vented floor drain. Use only ¾ inch rigid tubing.

●Water Cooled Models: Connect a separate drain line to the ½ inch condenser drain connection at the back of the cabinet. Do not vent this drain.

●Storage Bin: Connect a separate gravity type drain line to the ice storage bin drain. Vent this drain if there is a long horizontal run from the bin to the floor drain. Insulation of this drain line is recommended.

WATER COOLED MODELS
WATER COOLED MODELS							AIR COOLED MODELS
							AIR COOLED MODELS


	Condenser Inlet
	Condenser Inlet							Water Filter

	Water Filter				Vented Drain

Vented Drain

Hand Valve

Hand Valve

Condenser Drain

Water In

Vented Drain		Vented Drain

Condenser Inlet

Water Inlet

Water In

Condenser Drain

Bin Drain

Bin Drain

Floor Drain

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Ice-O-Matic For the Plumber, Water Inlet, Water Cooled Models, Air Cooled Models, MFI Series, Drains, Page

Contents

SERVICE AND INSTALLATION MANUAL MFI Series Ice-O-Matic11100 East 45th Ave Denver, ColoradoPage MFI Series IntroductionKeep this manual for future reference Page Table Of Contents Table of ContentsMFI Series Page Freight Claim Procedure Inspect PromptlyVisible Loss or Damage Concealed Loss or Damage Warranty MFI SeriesPage For the Installer Installation GuidelinesElectrical Specifications Adjustments For The Installer MFI SeriesPage Ice Machine Specifications Bin ApplicationFor the Installer MFI Series Location Storage BinIce machine Water Limitations For the Installer MFI SeriesAllow 6 “Clearance for Air Circulation Page For the Plumber Water InletWATER COOLED MODELS AIR COOLED MODELS For the Electrician Electrical ConnectionsWater Cooled Models Air Cooled Models Final Check List For the InstallerMFI Series Page Start Up Pre-StartInspectionStart Up MFI Series Component Description Air Cooled Model ShownMFI Series Page MFI Series Component DescriptionPotential Relay The compressor start relay Page MFI Series Component DescriptionPage Ice Sweep Bearing Breaker/Divider Auger To Reset Electrical SequenceElectrical Sequence Shut Down Operation Water Water SystemMFI Series Page High Pressure Cut Out- Automatic Reset Low Pressure Cut Out- Automatic ResetOperation Performance Typical Low Side Pressure Sanitizing and Cleaning ICE MAKING SYSTEM In place cleaningscheduled at a minimum of twice a year KEEP OUT OF THE REACH OF CHILDREN Bearing Maintenance Bearing MaintenanceNote Left Hand Threads MFI Series Sensor Maintenance Bin Control SensorWater Sensor MFI Series Maintenance Air Cooled Clean the air cooled condenserMFI Series Page Auger Maintenance 1. Disconnect electrical power to the ice machineAuger 2. Turn off the water supply to the ice machine Service Diagnosis SymptomPossible Cause Probable Correction Service Diagnosis SymptomMFI Series Possible Cause Control System Diagnostics 4.High pressure cut out checkMFI Series Page R&R- Water Reservoir, Bin Control Water ReservoirBin Controls Ice Level Sensors MFI Series To Remove the Breaker Bearing Assembly R&R-Bearingand BreakerMFI Series Page R&R-Auger To Remove the AugerMFI Series Page R&R-WaterSeal To Remove the Water SealRemoval of the Water Seal To Replace the Water Seal R&R-Evaporator To Replace the EvaporatorTo Reassemble the Evaporator and Auger MFI Series To Remove and Repair the Gear Motor Assembly R&R-GearMotorTo Check the Gear Motor To Inspect the Gear Motor To Remove the Condenser Fan Motor Assembly R&R-FanBlade and MotorMFI Series Page Refrigeration System Service ServiceRefrigeration Instructions for Liquid Charging R404A MFI0500 Wiring Diagram Wiring Diagram MFI0500 Air, MFI0500 WaterMFI Series Page MFI0800 Wiring Diagram MFI SeriesPage MFI0805/1255 Wiring Diagram Wiring Diagram MFI0805, MFI1255 AirMFI Series Page MFI1256 Wiring Diagram Wiring Diagram MFI1256 AirMFI Series Page Service History What to Do Before Calling for ServiceMFI Series Page