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Flake Ice Machines

General Information

Page

A6

Installation Guidelines

Note: Installation should be performed by an ICE-O-Matic trained Service Technician.
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 Operating Temperatures

Minimum Operating Temperature: 50°F (10°C)
Maximum Operating Temperature 100°F (38°C), 110°F (43°C) on 50 Hz. Models.

Note: ICE-O-Matic products are not designed for walk in cooler applications or outdoor
installation.

Incoming Water Supply

(See Plumbing Diagram for line sizing Page A7-A9)

Minimum incoming water temperature: 40°F (4.5°C)
Maximum incoming water temperature: 100°F (38°C)
Minimum incoming water pressure: 20 psi (1.4 bar)
Maximum incoming water pressure: 60 psi (4.1 bar)

Note: If water pressure exceeds 60 psi (4.1 bar), a water pressure regulator must be
installed.

Drains:

Route bin drain, float drain and water condenser drain individually to a floor drain

.

The use of condensate pumps for draining water is not recommended by ICE-O-Matic.
ICE-O-Matic assumes no responsibility for improperly installed equipment.

Water Filtration

A water filter system should be installed with the ice machine.

Clearance Requirements

Self contained air cooled ice machines must have a minimum of 6 inches (15cm) of clearance
around the entire machine.

Stacking

EF and EMF Series ice machines are not designed to be stacked.

Dispenser Application

EF and EMF Series ice machines are not designed to be placed on dispensers.

Electrical Specifications

The machine must be installed on a separate circuit.
Refer to the serial plate at the rear of the ice machine or the charts on Page A5.

Adjustments

Level the machine.
Check the primary and secondary bin control for proper adjustment, Page G3.
Check the safety control for proper adjustment, Page G3.
Check the water in the water float for proper level, Page D1.
Check the water regulating valve adjustment if water cooled, Page F6.

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Содержание EF Series

Страница 1: ...SERVICE AND INSTALLATION MANUAL EF and EMF Series Flaked ICE Machines ICE O Matic 11100 East 45th Ave Denver Colorado 80239 Part Number 9081325 01 Print Date 1 07 ...

Страница 2: ......

Страница 3: ...eal and O Rings D2 Drip Boot D2 Drive System Auger Drive Motor and V Belt E1 Gear Reducer E2 Coupler E2 Evaporator and Internal Components E3 Evaporator Disassembly E3 Evaporator and Auger Inspection E5 Bearing Water Seal and O Rings E6 Seal Face Installation E7 Evaporator Reassembly E7 Refrigeration System Refrigeration System and Components F1 Compressor F1 Refrigerant Pressures F2 Air Cooled Co...

Страница 4: ...ponent suspected of being defective A detailed description of the operation and adjustments of the components as well as other service information is laid out in the pages that follow Section C Each section after Section C focuses on a particular system in the ice machine water system drive system refrigeration system and electrical system It is important that these sections be used together with ...

Страница 5: ...achine MF Modular Flake Ice Machine Serial Number Date Code The first letter in the serial number indicates the month and decade of manufacture The first digit in the serial number indicates the year of manufacture Example A0XX XXXXX Z is manufactured January 2000 A1XX XXXXX Z is manufactured January 2001 A4XX XXXXX Z is manufactured January 2004 1990 1999 MONTH 2000 2009 M JANUARY A N FEBRUARY B ...

Страница 6: ......

Страница 7: ...MF800A 632 287 10 5 51 115 60 1 3 19 8 20 R404A 25 709 EMF800W 756 343 9 5 51 115 60 1 3 16 5 20 R404A 16 454 EMF1106A 816 370 4 5 34 2 208 230 60 1 3 9 4 15 R404A 34 964 EMF1106W 1008 458 4 4 34 2 208 230 60 1 3 8 5 15 R404A 15 426 EMF1106R 912 414 4 5 34 2 208 230 60 1 3 10 4 15 R404A 160 4536 EMF2306A 1808 821 8 4 61 208 230 60 1 3 14 9 20 R404A 84 2382 EMF2306W 2240 1051 7 3 61 208 230 60 1 3 ...

Страница 8: ...ter pressure regulator must be installed Drains Route bin drain float drain and water condenser drain individually to a floor drain The use of condensate pumps for draining water is not recommended by ICE O Matic ICE O Matic assumes no responsibility for improperly installed equipment Water Filtration A water filter system should be installed with the ice machine Clearance Requirements Self contai...

Страница 9: ...Flake Ice Machines General Information Page A7 EF Series ...

Страница 10: ...Flake Ice Machines General Information Page A8 EMF Series ...

Страница 11: ...Flake Ice Machines General Information Page A9 EMF Series 48 Inch Wide ...

Страница 12: ...ation Guidelines Ambient operating temperatures 20 F 28 9 C to 120 F 48 9 C Condenser Airflow Condensers must have a vertical airflow ICE Machine Model Number Remote Condenser Model Number EMF1106R2 VRC1061 EMF2306R2 VRC2061 Limitations for new remote machines that have the headmaster mounted in the condenser Maximum Rise is 35 feet Maximum Drop is 15 feet Page Airflow Maximum equivalent run is 10...

Страница 13: ...rges related to the replacement of non defective parts or components damage by fire flood or acts of God This warranty is valid only when installation service and preventive maintenance are performed by a Company authorized distributor a Company authorized service agency or a Company Regional Manager The Company reserves the right to refuse claims made for ice machines or bins used in more than on...

Страница 14: ...er level When the ON OFF switch is turned on or when the bin control closes the auger motor energizes The compressor is delayed for 2 to 4 minutes After the compressor delay period the condenser fan motor air cooled machines only and compressor start and the temperature of the evaporator barrel drops The water in the evaporator freezes to the inner walls of the evaporator barrel A belt driven gear...

Страница 15: ...ditions may require that cleaning be performed more often than 6 month intervals 2 Check the water level in the float tank as described on Page D1 3 Clean the condenser air cooled machines to insure unobstructed airflow 4 Check for leaks of any kind water refrigerant oil etc 5 Check the Primary Bin Control for proper adjustment as described on Page G3 6 Check the Secondary Bin Control for proper a...

Страница 16: ...are 1 gallon 3 75l of approved U S FDA 21 CFR 178 1010 food equipment sanitizer to form a solution with 100 200 ppm free chlorine yield Reserve about 1 3 gallon for step 14 below 8 Turn the machine on and add the sanitizer to the reservoir keeping the reservoir filled with sanitizer until 2 3 gallon is used up 9 Turn the machine off 10 Replace the float reservoir cover and turn the water supply ba...

Страница 17: ...all ice is out of the evaporator s 3 Place the ON OFF switch to the OFF position 4 Disconnect the tubing between the evaporator and water float 5 Drain the water system completely 6 On water cooled machines hold the water regulating valve open by prying upward on the water valve spring with a screwdriver while using compressed air to blow all the water out of the condenser 7 Remove all of the ice ...

Страница 18: ...layer on the surface of stainless steel that protects it from corrosion 3 Don t use cleaners that use chlorine or chlorides Don t use chlorine bleach or products like Comet to clean the steel Chlorides break down the passivation layer and can cause rusting 4 Rinse with clean water If chlorinated cleansers are used you must thoroughly rinse the surface with clean water and wipe dry immediately 5 Us...

Страница 19: ...the answer will lead to either another question box a check box or a solution box CHECK boxes Rectangle will suggest a point to check for proper operation and will often refer you to a page in the service information sections of this manual The result of the check may lead to another box or a solution box SOLUTION boxes Triangle suggest the most likely component to cause the malfunction described ...

Страница 20: ...Flake Ice Machines Troubleshooting Trees Page C2 Machine Runs Does Not Make Ice ...

Страница 21: ...Flake Ice Machines Troubleshooting Trees Page C3 Machine Runs Does Not Make Ice ...

Страница 22: ...Flake Ice Machines Troubleshooting Trees Page C4 Machine Does Not Run ...

Страница 23: ...Flake Ice Machines Troubleshooting Trees Page C5 Slow Production ...

Страница 24: ...Flake Ice Machines Troubleshooting Trees Page C6 Low Production ...

Страница 25: ...Flake Ice Machines Troubleshooting Trees Page C7 High Suction Pressure ...

Страница 26: ...Flake Ice Machines Troubleshooting Trees Page C8 Machine Freezes Up Auger Seizes ...

Страница 27: ...Flake Ice Machines Troubleshooting Trees Page C9 Auger Motor Amp Draw Fluctuates ...

Страница 28: ...Flake Ice Machines Troubleshooting Trees Page C10 Water Leaking From Bottom of Evaporator ...

Страница 29: ...Flake Ice Machines Troubleshooting Trees Page C11 Machine Produces Wet Ice ...

Страница 30: ...Flake Ice Machines Troubleshooting Trees Page C12 Hot Evaporator Low Suction Pressure and Discharge Pressure Remotes Only ...

Страница 31: ...Flake Ice Machines Troubleshooting Trees Page C13 Noise Coming from Evaporator ...

Страница 32: ...ball While the machine is making ice the float valve should maintain the water level so that is inch below the top insulation surrounding the evaporator barrel The water in the evaporator will also be at this level It is important that the water be maintained at this level for proper operation of the machine If the water level is too high water at the top of the evaporator will not freeze and wet ...

Страница 33: ... seal face If the water seal fails water will usually leak between the lower bearing and the auger shaft See Page E6 for water seal replacement procedure Note The water seal is available only as a complete assembly Both seal and seal face must be replaced together Lower Housing Seal O Ring Lower bearing Seal Face Drip Boot The drip boot is located at the bottom of the evaporator to catch condensat...

Страница 34: ...ing a straight edge across the face of the two pulleys If out of alignment the pulleys can be repositioned by loosening the setscrew that holds the pulley to the shaft realign the pulleys and then retighten the setscrew The V Belt can be adjusted by loosening the four 4 auger motor mounting bolts and moving the motor until the proper belt tension is achieved The belt should be adjusted so that it ...

Страница 35: ...ed Mounting Bracket Output Shaft If the gear reducer is damaged it may bind or lock up causing the auger motor to shut off on overload This is usually caused by a damaged worm gear due to lack of lubricant or excessive loading of the gear reducer Input Shaft Note The are no serviceable parts available for the gear reducer The 9171010 03 Gear Reducer is a sealed component and does not require servi...

Страница 36: ...cap insulation and ice chute from the top of the evaporator On EF models remove the top panel and disconnect the wires from the secondary bin control and remove the bin control cap tube from the brass tube Drain the evaporator by disconnecting the water feed tube from the float to the evaporator On EF models remove the chassis from the cabinet by disconnecting the water and drain lines and the inc...

Страница 37: ... shaft will result Upper Nut Right Hand Thread Remove the seal face from the auger by prying it off with a screwdriver Remove the lower evaporator retaining nut by first using an 1 8 inch Allen wrench to remove the two 2 inch set screws from the lower nut Remove the lower evaporator retaining nut by using a chain wrench wrap chain around the lower part of the nut to loosen the nut Right Hand Threa...

Страница 38: ...an the auger and inspect for corrosion or wear If the auger is corroded or if the flights are worn from contact with the evaporator walls it should be replaced If the evaporator wall is scored by the auger the evaporator will need to be replaced The auger bearing journals can be checked for wear by using hand pressure to install a new bearing onto the journals The bearing should fit tightly around...

Страница 39: ...t housing on housing flange Remove the O Rings and clean the upper and lower bearing housings Housings Shown Inverted Install the new upper bearing race and lower bearing in their respective housings with a bearing press or a bearing driver Do not use a hammer directly in the bearing or bearing race Bearing Install new O Rings in the upper and lower housings lightly lubricate the O Rings with whit...

Страница 40: ...plying even pressure upward It may be necessary to tap the housing with a rubber mallet or with a hammer and hard wooden block Install and tighten the lower evaporator nut Install and tighten the lower nut setscrews Carefully install the auger and upper housing assembly into the evaporator barrel taking care not to scrape the evaporator walls Push downward on the housing until the bearing housing ...

Страница 41: ...Flake Ice Machines Drive System Page E8 Exploded View of the Evaporator ...

Страница 42: ...ed whenever the refrigeration system is opened or if the refrigerant charge is lost Compressor The compressor runs during the entire ice making cycle If the valves in the compressor are damaged the compressor will be unable to pump refrigerant efficiently Damaged valves may be the symptom of another problem in the refrigeration system such as liquid returning to the compressor or high head pressur...

Страница 43: ......

Страница 44: ...ber Temp F Temp F Pressure PSIG 192 LAC 240 LAC EMF2306R 90 F 70 F 40 265 266 70 F 50 F 35 217 260 20 F 50 F 40 F 33 200 263 120 F 110 F 100 F 45 365 355 EMF2306W 90 F 70 F 38 250 70 F 50 F 37 250 50 F 40 F 36 250 110 F 100 F 42 250 EMF405A 90 F 70 F 56 274 70 F 50 F 53 215 50 F 40 F 36 158 110 F 100 F 61 352 EMF450A 90 F 70 F 56 290 70 F 50 F 52 222 50 F 40 F 51 131 110 F 100 F 57 374 EMF450W 90 ...

Страница 45: ...5A 70 F 50 F 50 53 225 90 F 70 F 54 57 285 290 EF EMF450A 70 F 50 F 49 53 260 90 F 70 F 53 57 320 325 EMF450W 70 F 50 F 50 52 250 90 F 70 F 52 53 250 EMF705A 70 F 50 F 38 40 270 90 F 70 F 42 45 345 350 EF EMF800A 70 F 50 F 45 48 275 90 F 70 F 49 51 340 345 EMF800W 70 F 50 F 41 43 250 90 F 70 F 41 43 250 EMF1005A 70 F 50 F 38 42 295 300 90 F 70 F 42 45 328 333 EMF1106A 70 F 50 F 41 43 270 90 F 70 F...

Страница 46: ......

Страница 47: ... of failure due to excessive mineral build up will not be covered under warranty Water Regulating Valve The water regulating valve controls the head pressure by regulating the amount of water flow through the condenser The bellows of the water regulating valve are connected to the high side of the refrigeration system As the discharge pressure rises the bellows expand increasing the water flow thr...

Страница 48: ... than normal Wet ice or slow production will result A low refrigerant charge will also starve the evaporator and cause low suction and discharge pressure It is important that the refrigerant charge be correct before diagnosing the valve If not sure of the amount of charge in the system the refrigerant should be recovered and the correct charge weighed in If the evaporator is starved but the suctio...

Страница 49: ...vercharged d An expansion valve stuck open a TXV restricted or sticking closed Problem a Clean suction line and clamp bulb securely Insulate bulb b Relocate sensing bulb to top of suction line c Recover refrigerant and weigh in correct charge d Replace TXV a Recover refrigerant and weigh in correct charge b Replace TXV and filter drier a Recover refrigerant and weigh in proper charge b Replace TXV...

Страница 50: ...ction pressure is higher than normal and ice production is slow it is possible that the evaporator has coil separation Evaporator coil separation is the separation of the refrigerant tubing from the evaporator barrel This is rare but may occur from time to time Usually all of the following symptoms will be present Higher than normal suction pressure Cold or frosted compressor suction line Slow ice...

Страница 51: ...s If the condenser fins are bent this will restrict the airflow through the condenser and the fins will need to be straightened with a fin comb Problems related to a dirty condenser or poor airflow will not be covered under warranty Note The condenser fan motor runs continually it will shut off when the icemaker shuts off Air Flow Mixing Valve L A C Headmaster When the temperature at the condenser...

Страница 52: ...let of the receiver is de energized causing the valve to close completely restricting the flow of refrigerant The compressor will pump all of the refrigerant into the condenser and receiver As the system pumps down the pressure on the low side of the system drops When the suction pressure drops to 19 psi 1 3 bar the pump down control opens and shuts the machine off See page G5 for pump down contro...

Страница 53: ...mperature and pressure of the vapor are increased The high temperature high pressure vapor flows to the condenser where the heat is removed causing the vapor to return to the liquid form making the refrigerant ready to flow back to the evaporator to pick up more heat Most Ice O Matic ice machine use R134a or R404a refrigerant Always check the serial number data plate for the proper type of refrige...

Страница 54: ...ates a dry system under a good vacuum If your gauge registers a more rapid rise the system either has moisture remaining or there is a leak in the system requiring a check for the leak and repair and another complete evacuation Note Seal the ends of the gauge manifold hose and pull them into a deep vacuum to determine if the leak is not in the hoses The gauge manifold should be able to hold the va...

Страница 55: ...n some cases the complete refrigerant charge may not enter the refrigeration system In those instances close the gauge manifold high side valve and disconnect the manifold from the high side port When the icemaker is completely charged secure the caps to the service ports and check to make sure the ports are not leaking refrigerant Reference Tables on Page A5 ...

Страница 56: ...is energizes the compressor start components which starts the compressor Compressor and Start Components The compressor should run during the entire cycle If the machine is in the ICE position but the compressor is not running check the compressor contactor to see if it is engaged If the contactor is not engaged the problem is not with the compressor or the compressor start components If the conta...

Страница 57: ... not be covered under the warranty policy if they are not defective Overload External If there is no amperage draw check the compressor overload The compressor overload can be checked for continuity after removing it from the compressor and letting it cool to room temperature If there is no continuity between the two terminals replace the overload If the overload is suspected of opening prematurel...

Страница 58: ... the adjusting screw clockwise to lower the cut out temperature colder and counterclockwise to raise the cut out temperature warmer Bin Control A primary thermostatic bin control and mechanical secondary bin switch in used to shut the machine off when the bin becomes full of ice Adjustment Screw Thermostatic Bin Control The thermostatic bin control is located in the control box with the capillary ...

Страница 59: ...Relay The auger motor relay is used on modular models to energize the auger motor preventing excessive current through the bin control When power is supplied to the coil of the relay the normally open contacts close energizing the auger motor Auger Motor The auger drive motor is used to turn the gear reducer via a V Belt The auger motor should turn counter clockwise when facing the pulley end of t...

Страница 60: ... close This blocks the flow of refrigerant causing all the refrigerant to be pumped into the receiver and condenser This is done to prevent liquid refrigerant from migrating into the compressor during the off cycle which could damage the compressor on start up Also see Pump Down System in the Refrigeration Section on page F11 As the refrigerant is pumped into the receiver the suction pressure begi...

Страница 61: ...Flake Ice Machines Electrical System Page G6 9071694 01 EF250 255 405 EF450A W ...

Страница 62: ...Flake Ice Machines Electrical System Page G7 9071963 01 EF800A W ...

Страница 63: ...Flake Ice Machines Electrical System Page G8 EMF450 405A W 9071958 01 ...

Страница 64: ...Flake Ice Machines Electrical System G9 Page 9071954 01 EMF800A W ...

Страница 65: ...Flake Ice Machines Electrical System Page G10 9071956 01 EMF705 1005 1006A W ...

Страница 66: ...Flake Ice Machines Electrical System Page G11 9071962 01 EMF1106R ...

Страница 67: ...Flake Ice Machines Electrical System Page G12 9071955 01 EMF2306A W ...

Страница 68: ...Flake Ice Machines Electrical System Page G13 9071960 01 EMF2306R ...

Страница 69: ...Flake Ice Machines Electrical System Page G14 9071959 01 EMF2305L ...

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