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MFI Series Introduction Page i How To Use This Manual Ice-O-Matic provides this manual as an aid to the end user and service technician in installation and maintenance of the MFI Series ice machines. Do not attempt to perform installation, start-up or maintenance unless you have read and fully under...
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MFI Series Table Of Contents Page ii Table of Contents Introduction .................................................................................................................................. Page i Table Of Contents................................................................................
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MFI Series Freight Claim Procedure Page iii Important! Inspect Promptly This merchandise has been carefully inspected and packed in accordance with the carrier’s packing specifications. Responsibility for safe delivery has been assumed by the carrier. If loss or damage occurs, you as the consignee m...
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MFI Series Warranty Page iv Ice-O-Matic Parts and Labor Domestic & International Limited Warranty Mile High Equipment LLC (the “Company”) warrants Ice-O-Matic brand ice machines, ice dispensers, remote condensers, water filters, and ice storage bins to the end customer against defects in materia...
Page 7 - The use of condensate pumps for
MFI Series For the Installer Page 1 Installation Guidelines: For proper operation of the Ice-O-Matic ice machine, the following installation guidelines must be followed. Failure to do so may result in loss of production capacity, premature part failures, and may void all warranties. Ambient Operatin...
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Page 9 - Page; The MFI Series is designed to fit the following Ice-O-Matic Bins.; Dispenser Application
MFI Series For the Installer Page 3 Bin Application The MFI Series is designed to fit the following Ice-O-Matic Bins. ● B42, using Bin Top KBT 24 ● B25, B40 B55 using Bin Top KBT19. ● B100 using Bin Top KBT 23 (one unit) or KBT 22 (two units). ● B120, B150, B170-Not designed for MFI Series. Dispense...
Page 11 - Allow 6 “Clearance for Air Circulation
MFI Series For the Installer Page 5 Allow 6 “Clearance for Air Circulation A proper installation locates the ice machine indoors, but in a place where the heat and noise it produces are not objectionable. Air cooled machines discharge hot air out the back and must have a minimum of 6 inches of clear...
Page 12 - of the cabinet. Do not vent this drain.; WATER COOLED MODELS
MFI Series For the Plumber Page 6 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 Mod...
Page 13 - Electrical Inlet; Water Cooled Models
MFI Series For the Electrician Page 7 Electrical Connections: Check the ice machine nameplate (located on the back panel) for the voltage requirements, and minimum circuit ampacity. The ice machine requires a solid chassis to earth ground. Connect the ice machine to its own electrical circuit so it ...
Page 14 - controlled and where they do not exceed the design limitations?; Insure the machine is level
MFI Series For the Installer Page 8 Final Check List: _______ 1. Is the ice machine installed indoors in a location where the air and water temperatures are controlled and where they do not exceed the design limitations? _____2. Is there an electrical service disconnect within sight of the installed...
Page 15 - to the; ON; . The electrical start up sequence in automatic.; Note; and some lower between different units.; There are no adjustments to make; they know who to call for service.
MFI Series Start Up Page 9 Pre-Start Inspection: 1. Remove the front and side service panels. 2. Check that any shipping blocks have been removed. 3. Inspect the interior of the ice machine for loose screws or wires. 4. Check that no refrigerant lines are rubbing each other. 5. Check that the fan bl...
Page 17 - Switches loads on and off thru relays. (Reference Photo Below); Water OK Light; Compressor Relay
MFI Series Component Description Page 11 ● Contactor: A definite purpose contactor connecting the compressor and the fan motor to the power supply. ● Circuit Board: Controls the operation of the ice machine using input from the sensors and pressure controls. Switches loads on and off thru relays. (R...
Page 18 - action being where the two “faces” meet.
MFI Series Component Description Page 12 ● Evaporator: A refrigerated vertical tube filled with water and containing a water seal and auger. ● Auger: A solid stainless steel double spiral auger, it pushes the ice crystals up to the top of the evaporator. ● Water Seal: A two part “face” seal, the top...
Page 19 - Green
MFI Series Electrical Sequence Page 13 Electrical Sequence: There are 7 indicator lights on the control board: ● WTR-OK: (Water OK) Green . Normal=Glowing. Glow when there is water in the reservoir. ● PWR-OK: (Power OK) Green . Normal=Glowing. Glows when the power board has power and is functional. ...
Page 20 - MFI Series
MFI Series Operation: Water Page 14 Water enters the machine through the 3/8 inch male flare at the rear of the cabinet, goes to the water reservoir which it enters through the float valve. The water then goes out the bottom of the reservoir tank to the bottom of the evaporator. Reservoir overflow o...
Page 25 - Step 3. Pull fan motor assembly up
MFI Series Maintenance: Air Cooled Page 19 Clean the air cooled condenser: Air flow on this model is from front to back, so the inside of the ice machine will have to be available to clean the air cooled condenser. Use a vacuum cleaner or coil cleaner if needed. DO NOT use a wire brush. ● Disconnect...
Page 26 - Clean the auger and evaporator as required.; Ice Sweep
MFI Series Auger Maintenance Page 20 Auger: In some areas, the water supply to the ice machine will contain a high concentration of minerals, and that will result in an evaporator and auger becoming coated with these minerals, requiring a more frequent removal than twice per year. If in doubt about ...
Page 27 - OFF
MFI Series Service Diagnosis Page 21 Symptom Possible Cause Probable Correction No ice is made nothing operates. •Unit off due to no power •Restore Power •Unit off due to master switch in OFF •Switch master Switch to ON position •Unit off due to low water level •Check water supply, filter strainer, ...
Page 30 - Float Assembly; Disconnect electrical power supply.
MFI Series R&R- Water Reservoir, Bin Control Page 24 Water Reservoir: 1. Disconnect electrical power supply. 2. Shut off water supply to the ice maker. 3. Remove the front panel. 4. Disconnect water inlet tube from reservoir inlet fitting. 5. To remove float valve, push in “locking tabs” as show...
Page 31 - a. Unscrew breaker cover from breaker; : Seals must be pressed in with a; Bearing
MFI Series R&R-Bearing and Breaker Page 25 Note : Removal of the auger, water seal, evaporator and gear motor must begin at the top of the assembly. To Remove the Breaker Bearing Assembly: 1. Disconnect electrical power. 2. Remove panels. 3. Push back bail clamp and remove ice chute cover. 4. Un...
Page 32 - b. Lift up on breaker and remove auger from evaporator.; Slide Hammer Puller
MFI Series R&R-Auger Page 26 To Remove the Auger: 1. Disconnect electrical power. 2. Turn off the water to the machine. 3. Unclip the evaporator drain hose, pull it down and drain the evaporator into the bin or container. 4. Remove the top panel. 5. Swing bail clip down and remove the ice chute ...
Page 35 - To Check the Gear Motor:; Water Shed
MFI Series R&R-Gear Motor To Check the Gear Motor: 1. Remove wires from terminals 1 and 2 2. Use an ohmeter to check for continuity. If there is none, replace only the motor. If there is continuity but the motor will not start, check the motor’s start switch. 3. Remove motor end bell or motor st...
Page 37 - Hose Connection Schematic for Liquid Charging
MFI Series Refrigeration System Service Page 31 Refrigeration Service: General: This ice machine uses R404A refrigerant and polyolester oil. Do NOT use mineral oil in this refrigeration system. ● When the refrigeration system is serviced, a special liquid line drier is required. It is included with ...
Page 42 - Check the water filters if there are any.; and then
MFI Series Service History Page 36 What to Do Before Calling for Service: ● Check the water supply to the ice machine. The ice machine is designed to shut off if there is no water to it. Check the water filters if there are any. ● Check the power supply to the ice machine. Reset the breaker if it is...
