Ice-O-Matic ICE0250 Series - Manual

ICE Series General Information Page A4 Model and Serial Number Format Since all Enodis companies will eventually be utilizing same operating system, a company wide format for serial numbers has been designed. This format is 14 characters long and begins with a date code followed by the Ice-O-Matic i...

ICE Series General Information Page A5 24 Hour Capacity Wires Max Min. Voltage @ 90/70 Including Fuse Circuit Comp. **Refrigerant Model Hz/Phase Lbs. Kg. BTUH Ground Size Amps RLA Type Oz. Grams ICEU150*A1 115/60/1 117 53 3148 3 15 9.6 6.8 R404A 13 369 ICEU150*W1 115/60/1 166 75 3392 3 15 7.9 5.9 R4...

ICE Series General Information Page A6 24 Hour Capacity Wires Max Min. Voltage @ 90/70 Including Fuse Circuit Comp. **Refrigerant Model Hz/Phase Lbs. Kg. BTUH Ground Size Amps RLA Type Oz. Grams ICE0500*A1 115/60/1 461 210 10843 3 20 24.8* 18.5 R404A 37 1049 ICE0500*A-T1 115/60/1 455 207 10736 3 20 ...

ICE Series General Information Page A7 24 Hour Capacity Wires Max Min. Voltage @ 90/70 Including Fuse Circuit Comp. **Refrigerant Model Hz/Phase Lbs. Kg. BTUH Ground Size Amps RLA Type Oz. Grams ICE1406*A1 208-230/60/1 1122 510 22590 3 30 20.2 13.8 R404A 108 3062 ICE1406*W1 208-230/60/1 1187 540 225...

ICE Series General Information Page A8 50 hz. 24 Hour Capacity Wires Max Min. Voltage @ 90°/70° Including Fuse Circuit Comp. **Refrigerant Model Hz/Phase Lbs. Kg. BTUH Ground Size Amps RLA Type Oz. Grams ICE0305*A2 230/50/1 266 121 7079 3 15 12.4 8.2 R404A 26 737 ICE0305*W2 230/50/1 291 132 6590 3 1...

ICE Series General Information Page A9 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 prod...

ICE Series General Information Page A11 Electrical and Plumbing Requirements: ICEU150, 220, 225 and 226 Note: The ICEU150, ICEU220, ICEU225 and ICEU226 do not have a splash curtain. These models utilize a thermostatic bin control in place of a mechanical bin switch.

ICE Series General Information Page A18 Remote Condenser Installation 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 failure, and may void all warranties. Installa...

ICE Series General Information Page A19 The following remote ice makers incorporate the mixing valve in the condenser. This configuration allows up to a 100 foot calculated remote line set run. Reference the diagram below to calculate the maximum 100 foot line set run. ICE Machine Model Number Remot...

ICE Series General Information Page A20 How the ICE Machine Works A general description of how the ICE Series cubers work is given below. The remainder of the manual provides more detail about the components and systems. With the ICE/OFF/WASH switch in the ICE position, the compressor, water pump an...

ICE Series General Information Page A21 Undercounter Bin Removal-ICEU300 Series The storage bin can be removed by: 1 Remove the lower grill. 2. Remove two screws securing bin to cabinet base. 3. Remove the thumbscrews from the back wall of the bin. 3. Remove the thumbscrews from the back wall of the...

ICE Series General Information Page A22 Undercounter Bin Removal-ICEU150/200 Series The storage bin can be removed by: 1. Remove the two screws at the rear of the top panel. 2. Remove the two screws from the front panel. 3. Remove two screws securing bin to cabinet base. 4. Disconnect bin drain. 5. ...

ICE Series General Information Page A23 Warranty Information Every Ice-O-Matic machine is backed by a warranty that provides both parts and labor coverage. PARTS LABOR Two years on all parts* Two years on all components* Three years on all ICE Maker parts* Three years on all cube ICE Maker component...

ICE Series Scheduled Maintenance Page B1 Maintenance Note: Maintenance should be performed by an Ice-O-Matic trained Service Technician. Electrical shock and/or injury from moving parts inside this machine can cause serious injury. Disconnect electrical supply to machine prior to performing any adju...

ICE Series Scheduled Maintenance Page B2 Cleaning and Sanitizing (continued) 5. Add recommended amount of approved Nickel Safe ice machine cleaner to the water trough according to label instructions on the container. 6. Initiate the wash cycle at the ICE/OFF/WASH switch by placing the switch in the ...

ICE Series Winterizing Procedures Page B3 Winterizing Procedures Important! Whenever the ice machine is taken out of operation during the winter months, the procedure below must be performed. Failure to do so may cause serious damage and will void all warranties. 1. Turn off water to machine. 2. Mak...

ICE Series Cabinet Care Page B4 Cleaning stainless steel Commercial grades of stainless steel are susceptible to rusting. It is important that you properly care for the stainless steel surfaces of your ice machine and bin to avoid the possibility of rust or corrosion. Use the following recommended g...

ICE Series Troubleshooting Trees Page C1 How To Use The Troubleshooting Trees The troubleshooting trees were developed to be used in conjunction with the service information in the sections that follow. If used together as intended, these two parts of the manual will allow the ice machine service te...

ICE Series Troubleshooting Trees Page C2 Troubleshooting Trees Table Of Contents Machine Does Not Run C3 Machine Runs, Does Not Make Ice C4 – C5 Slow Production (Cube Formation Good) C6 Low Suction Pressure C7 High Suction Pressure C8 Cubes Are Hollow C9 Uneven Bridge Thickness C10 Ice Bridge Thickn...

ICE Series Troubleshooting Trees Page C3 Machine Does Not Run Check for correct power supply to the machine YES NOT OK NO OK Is the selector switch set to ICE ? Check High Pressure Safety Control Check High Temperature Safety Control OK Check Bin Control for proper adjustment, see page F9 Is this a ...

ICE Series Troubleshooting Trees Page C4 Machine Runs, Does Not Make Ice YES GO TO PAGE C5 NO YES Is water running over the evaporator? Check for power to the compressor contactor coil Check contactor for bad contactor or coil. Replace if defective Is the compressor running? NO GOOD OK Check Selecto...

ICE Series Troubleshooting Trees Page C5 Machine Runs, Does Not Make Ice (continued) HIGH OR NORMAL SUCTION Check refrigerant pressures, see page E1 If head pressure is also high, make sure Condenser is clean and machine has good air flow Is water leaking out of the Purge Drain or Water Trough? NO Y...

ICE Series Troubleshooting Trees Page C6 Slow Production (Cube Formation Good) NO YES Does installation meet guidelines? Check refrigeration system, Section E Check for excessive head pressure OK Check Water Regulating Valve, See page E2 Check refrigeration system, Section E AIR YES TOO HIGH Clean C...

ICE Series Troubleshooting Trees Page C7 Low Suction Pressure NO YES Does installation meet guidelines? Check TXV for moisture based restriction Check for correct head pressure, see page E10 NO Check for refrigerant tubing restriction, crimps, etc. Check Evaporator coil separation, see page E4 YES Y...

ICE Series Troubleshooting Trees Page C8 High Suction Pressure NO YES Have you checked the “Slow Production” Tree? Evacuate and recharge system Check Hot Gas Valve, see page E5 NO Check for leaking Purge valve Check Condenser Fan Motor and Blade for proper operation, and/or Water Valve or Mixing Val...

ICE Series Troubleshooting Trees Page C9 Cubes Are Hollow YES Is the water temperature above 100°F (38°C)? Go to the “Poor Water Distribution Over Evaporator” Troubleshooting Tree, page C13 NO YES YES Purge Valve has an obstruction or could be defective Is water leaking from the Purge Drain? NO NOT ...

ICE Series Water System Page D1 Water Distribution and Components Water enters the machine through the float valve located in the water trough . The water trough holds water used for ice making. The float valve is used to maintain the proper water level in the water trough. During the freeze cycle w...

ICE Series Water System Page D2 Water Distribution Tube Water is pumped to a distribution tube located at the top of the evaporator and is used to distribute water evenly over the evaporator. The distribution tube can be removed and dissembled for cleaning if the hole becomes plugged or if there is ...

ICE Series Water System Page D3 Water Splash Curtain The water splash curtain covers the evaporator to prevent water from splashing into the bin and is also used to actuate the bin switch. When the bin becomes full of ice, the splash curtain is held open when the ice drops off of the evaporator. The...

ICE Series Water System Page D4 Water Purge Valve When the machine enters the harvest cycle, the water pump continues to run and the purge valve opens. This allows mineral laden water to be pumped from the water trough to the drain. This helps keep the water system clean. The water pump and purge va...

ICE Series Water System Page D5 Water Trough The water trough can be easily removed by the following procedures: Mounting Screws ICEU150/200 Models 1. Disconnect power to the ice machine. 2. Shut the water supply off to the ice machine. 3. Remove water splash curtains when applicable. 4. Remove wate...

ICE Series Refrigeration System Page E1 Refrigerant Cycle and Components Before diagnosing the refrigeration system, it is very important that the refrigerant charge be correct. Whenever the refrigeration system has been opened, the filter-drier must be replaced and the proper refrigerant charge mus...

ICE Series Refrigeration System Page E8 Refrigerant Refrigerant in a high-pressure liquid form is fed to an expansion valve where the refrigerant is reduced to a low-pressure liquid. Under this low pressure, the liquid will absorb heat from the evaporator causing the liquid to change to a vapor. Thi...

ICE Series Refrigeration System Page E3 Thermostatic Expansion Valve (TXV) The thermostatic expansion valve meters the flow of refrigerant into the evaporator changing its state from a high-pressure liquid to a low-pressure liquid. This drop in pressure causes the refrigerant to cool. The cooled ref...

ICE Series Refrigeration System Page E4 Thermostatic Expansion Valve (Continued) A dual evaporator machine will have one TXV for each evaporator. If one TXV sticks open and the other is operating normally, the suction pressure will be higher than normal and both evaporators will build thick ice. It ...

ICE Series Refrigeration System Page E5 Note: Permanent discoloration of the evaporator plating is normal and will cause no problems with harvesting the ice or sanitary conditions. Before condemning the evaporator for plating problems, be certain it is not just discoloration. Good evaporators will n...

ICE Series Refrigeration System Page E6 Remote Condenser (Continued) If the airflow is restricted or the condenser is dirty, the head pressure will be excessively high, slow production will result and the compressor may overheat and eventually become damaged. The condenser coil and fan blades must b...

ICE Series Refrigeration System Page E7 Pump Down System (Remote Only) The pump down system prevents liquid refrigerant from migrating to the evaporator and compressor during the off cycle and prevents the compressor from slugging or starting under an excessive load. Liquid Line Solenoid When a mach...

ICE Series Refrigeration System Page E9 If the refrigeration system is extremely wet, use radiant heat to raise the temperature of the system. This action will cause the moisture to vaporize at less of a vacuum. The use of two (2) valves, one between the vacuum pump and gauge manifold and the other ...

ICE Series Refrigeration System Page E20 ICE1006R Ambients Refrigeration Pressures PSIG Compressor Temps °F Cycle Times °F Discharge Suction Discharge Suction Minutes' Seconds" Air/Water Start End Start Freeze End Freeze Start Harv End Harv Start End Start End Freeze Harvest Complete -20/40 240 ...

ICE Series Electrical System Page F1 Control Circuit All machines in this manual are electro-mechanical controlled; however the control circuitry on the single evaporator units differs from the dual evaporator units and is detailed below. Selector Switch The selector switch is used to put the machin...

ICE Series Electrical System Page F2 Compressor Check (Continued) If all starting components are good, check the voltage from the common terminal of the compressor, making sure proper voltage is supplied to the compressor and all wiring is properly connected. If the compressor does not start and the...

ICE Series Electrical System Page F3 Untimed Freeze Cycle During the freeze cycle the compressor, water pump and condenser fan motor(s) (if used) are running. On remote systems the liquid line solenoid is also energized, see Refrigeration System. As ice forms on the evaporator, the suction pressure ...

ICE Series Electrical System Page F4 Timed Freeze When the freeze timer is energized, the machine is in the timed portion of the freeze cycle. The freeze timer will time out the remainder of the freeze cycle. Once the time has passed, the machine will enter the harvest cycle. Freeze Timer The freeze...

ICE Series Electrical System Page F5 Harvest Cycle Single Evaporator Machines Once the freeze timer has timed out, power is sent to relay 1 and the machine enters the harvest cycle. Once in harvest motor, the purge valve, hot gas valve and harvest motor are energized. The water pump continues to run...

ICE Series Electrical System Page F6 Harvest Assist Assembly The harvest assist assembly has several purposes: to assist in moving the ice off of the evaporator, to control the length of harvest and to terminate harvest. When the machine enters harvest, power is sent to the harvest motor which turns...

ICE Series Electrical System Page F7 Probe Tip and Swivel The probe tip is attached to the clutch and makes contact with the back of the ice slab during harvest. The swivel allows the probe tip to pivot as the clutch turns so that the probe is pushed straight through the evaporator probe guide. The ...

ICE Series Electrical System Page F8 Cam Switch Adjustment Check the cam switch for proper adjustment by slowing turning the clutch by hand in a counterclockwise direction while listening for the switch contacts to change. The switch should have an audible “click” as the roller reaches the high part...

ICE Series Electrical System Page F9 Undercounter machines: A thermostatic bin control is used on the undercounter models. The bin thermostat is located in the control box with a capillary tube, which is in a brass thermo-well mounted to the water trough. When ice comes in contact with the capillary...

ICE Series Electrical System Page F11 Electrical Sequence for the ICE1400 Series Version 3, ICE1800 Series Version 3 and the ICE2100 Series Version 3 Cubers. (Manufactured from January, 2008) ICE1400R3, 1800R3 and 2100R3 Electrical Sequence (Includes 50 hz. And 3 Phase) This unit incorporates a time...

ICE Series Electrical System Page F12 Electrical Sequence for theICE1506 Series Version 3 (Manufactured from January, 2008) This unit incorporates a timer upstream of the Low Pressure Control for Low Ambients. 1. When the Selector Switch is set to ICE, Relay Number 2 Coil is energized through Cam Sw...

ICE Series Wiring Diagram Page G1 ICEU150/200/205/206 Air and Water Wiring Diagram

ICE Series Wiring Diagram Page G2 ICEU150/200/205/206 Air and Water Wiring Schematic

ICE Series Wiring Diagram Page G3 ICEU150/220/225/226 Air and Water Wiring Diagram

ICE Series Wiring Diagram Page G4 ICEU150/220/225/226 Air and Water Wiring Schematic

ICE Series Wiring Diagram Page G5 ICE0250 Air and Water Wiring Diagram

ICE Series Wiring Diagram Page G6 ICE0250 Air and Water Wiring Schematic

ICE Series Wiring Diagram Page G7 ICE0400 Air and Water Wiring Diagram

ICE Series Wiring Diagram Page G8 ICE0400 Air and Water Wiring Schematic

ICE Series Wiring Diagram Page G9 ICE0405/0406 Air and Water Wiring Diagram