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SERVICE AND INSTALLATION MANUAL
ICE UNDERCOUNTER SERIES CUBERS
MODEL-ICEU070A
Ice-O-Matic
11100 East 45th Ave
Denver, Colorado 80239
Part Number 9081374-01 Date 2/08
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ICEU070A INTRODUCTION This manual provides the specifications and the step-by-step procedures for the installation, startup, operation, maintenance and cleaning for the ICEU070A ice machine. NOTE. To retain the safety and performance built into this ice machine, it is important that installation and maintenance be conducted in the manner outlined in this manual. Table of Contents Specifications ·········································· Page 2 General Information And Installation ···············
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ICEU070A Specifications The ice machine must be installed indoors in a Ice-O-Matic reserves the right to make design controlled environment. changes and/or improvements at any time. Specifications and design are subject to change Minimum Maximum without notice. 0 0 Air Temp 50 F. 95 F. UNPACKING AND INSPECTION 0 0 Water Temp 40 F. 100 F. 1. Call your authorized Ice-O-Matic Distributor or Water Pressure 20 PSI 80 PSI Dealer for proper installation. Voltage 103.5 126.5 2. Remove the front panel of
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ICEU070A General Information And Installation This model is supplied from the factory completely To keep your Ice-O-Matic ice machine at peak pre-wired and requires only electrical power performance levels, periodic maintenance checks connections to the wire cord provided at rear of the must be carried out as indicated on the unit. Maintenance and Cleaning section of this manual. Make sure that the ice machine is connected to its Warranty own circuit and individually fused (see data plate The wa
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ICEU070A Water Supply And Drain Connections General Water Drain When choosing the water supply for the ice cuber The recommended drain tube is a plastic or flexible consideration should be given to: tube with 18 mm (3/4") I.D. which runs to an open trapped and vented drain. a) Length of run Note: Although soft, easily kinked vinyl tubing is b) Water clarity and purity not recommended for a drain, a short length of ¾” c) Adequate water supply pressure ID vinyl tubing is required to connect a rigi
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ICEU070A Final Check List 1. Is the unit in a room where ambient 8. Have the bolts holding the compressor down o temperatures are above a minimum of 10oC (50 F) been checked to ensure that the compressor is even in winter months? snugly fitted onto the mounting pads? 2. Is there at least a 15 cm (6") clearance around 9. Have the bin liner and cabinet been wiped the unit for proper air circulation? clean? 3. Is the unit level? (IMPORTANT) 10. Has the owner/user been given the User Manual and been
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ICEU070A Operating Instructions Start Up NOTE. During the charging cycle, the water inlet After having correctly installed the ice maker and solenoid valve is energized. The water flows completed the plumbing and electrical through the valve to the back side of the connections, perform the following “Start-up” evaporator platen and then down to fill up the ice procedure. machine sump for the next freezing cycle. A. Remove the condenser air filter then remove the front panel, Locate the cleaning
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ICEU070A Operational Checks E. The unit now starts its first freezing cycle with Remove the ice from the storage bin thermostat. the following components in operation: The ice maker should restart automatically in three-four minutes. Compressor o NOTE. The bin thermostat is factory set at 1 C Water Pump o o o (35 F) OUT and 4 C (39 F) IN. Fan Motor M. Re-attach the front panel, then instruct the F. Look through the ice discharge opening and owner/user on the general operation of the ice confi
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ICEU070A Component Description Water Pump The water pump operates continually throughout the freezing cycle. The pump forces the water from the sump to the spray system and through the spray nozzles so it sprays into the inverted cup molds to be frozen into crystal clear ice cubes. Water Inlet Solenoid Valve The water inlet solenoid valve is energized only during the defrost cycle. When energized it allows a metered amount of incoming water to flow over the evaporator cavity to assist the hot ga
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ICEU070A Operation - Electrical Sequence The following charts illustrate which switches and components are ON or OFF during the two phases of the icemaking cycle. Refer to the wiring diagram for reference. FREEZING CYCLE Electrical components ON OFF Compressor � Water Pump � Fan Motor � Hot Gas Valve � Inlet Water Valve � Electrical Controls CLOSE OPEN Evaporator Thermostat (contacts 3-4) � Evaporator Thermostat (contacts 3-2) � Bin Thermostat � HARVEST CYCLE Electrical components ON OFF Compres
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ICEU070A Freeze Cycle Average Discharge Pressure A/C: 100 to 155 PSIG Suction Pressure End Freeze Cycle: 0 to 1.5 PSIG Refrigerant Metering Device: Capillary tube Refrigerant Charge (R-134a) 9.5 oz. The thermostat sensing bulb is located into a plastic tube (bulb holder) secured by two clips directly to the evaporator serpentine. This control determines the length of the freezing cycle and correspondingly the size of the cubes. A lower setting will produce a larger cube (oversize) while a hi
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ICEU070A Cleaning Switch Located on the bottom side of the control box, it is Red socket for the Water Level Sensor (future used to energize the water inlet and the hot gas use) valves to fill the sump of the machine with water Black socket for the Condenser Sensor and when needed. White socket for the Red Alarm Re-Set Push Green Master Switch Push Button Button Located in the front of the machine it’s used to The main function of this PC Board is to switch the switch ON and OFF the unit by p
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ICEU070A Service Diagnosis SYMPTOM POSSIBLE CAUSE SUGGESTED CORRECTION Unit will not run Blown fuse Replace fuse & check for cause of blown fuse. Main switch in OFF position Turn switch to ON position Bin thermostat set improperly Adjust rotating its setting screw Loose electrical connections Check wiring Red Alarm light ON Too Hi Condensing Reset the machine (Push & hold the Reset Temperature Button for 5 seconds) and check for reason why Red Alarm light Blinking Condenser sensor out of order R
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ICEU070A Service Diagnosis SYMPTOM POSSIBLE CAUSE SUGGESTED CORRECTION Irregular cubes size & some Some jets plugged Remove jet cover and clean. cloudy Shortage of water See shortage of water. Unit not leveled Level as required. Poor pumping Check and/or replace the water pump. Cubes too large Cube size control set Check and adjust for proper operation. improperly Decreased ice capacity Inefficient compressor Replace. Leaky water valve Repair or replace. Non-condensable gas in Purge the system.
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ICEU070A Maintenance And Cleaning Instructions GENERAL Clean - Replace Of Air Condenser Filter The periods and the procedures for maintenance 1. Withdraw the air filter from the front through the and cleaning are given as guides and are not to be opening of the front panel. construed as absolute or invariable. Cleaning, 2. Remove the front panel. especially, will vary depending upon local water 3. Blow pressurized air on the opposite direction of and ambient conditions and the ice volume the con
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ICEU070A Cleaning Water System 1. Remove the ice from the bin. 2. Remove the air filter and then the front panel. 3. Rotate control knob counter clockwise to the Off position. 4. Turn off the water supply to the ice machine. 5. Remove top panel. 6. Remove plastic panel (evaporator cover) that covers evaporator section. 7. Remove clamp and drain cap from the bottom of the reservoir, allow all the water to drain out. Pour Scale Remover Over The Evaporator Section 13. Switch the cleaning toggle swi
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ICEU070A 23. Rotate the control knob to the Normal position. 29. Thoroughly spray or wipe the interior of the ice storage bin, bottom of the evaporator cover and 24. Operate the machine with the cleaning toggle the spray platform with the sanitizing solution. switch in the Operation position for 4 minutes. 30. Completely immerse the curtain in the 25. Switch the cleaning toggle switch to the sanitizing solution. Cleaning position and operate the machine for 1 minute. 31. Return the evaporator co
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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 material and factory workmanship for the following: Cube ice machines,”GEM” model compressed ice Ice storage bins -Twenty-four (24) month parts and labor machines ,” MFI” model flake ice machines and remote condensers. - Thirty-six (36
