Related Manuals for Ice-O-Matic GEMU090 Series
Summary of Contents for Ice-O-Matic GEMU090 Series
- Page 1 Service Manual GEMU090 Series Ice-O-Matic 11100 East 45th Ave Denver, Colorado 80239 P t N Part Number 9081430-02 9081430 02 D t 9/11 Date 9/11...
- Page 2 Customer, that part of any such machine that becomes defective. In the event that the Warranty Registration Card indicating the installation date has not been returned to Ice-O-Matic, the warranty period will begin on the date of shipment from the Company. Irrespective of the actual installation date, the product will be warranted for a maximum of seventy-two (72) months from date of shipment from the Company.
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Page 3: Table Of Contents
GEMU090 Service GEM090 service This section contains information for the service and repair of the GEMU090 ice machine. Service Table of Contents GEM090 service ..........Page 1 Components: . -
Page 4: Components
GEMU090 Service Components: • During ice making the refrigeration system takes Refrigeration system, including air cooled heat from the evaporator. The evaporator is a condenser, compressor, capillary tube and vertical refrigerated stainless steel tube containing evaporator. • water and a slowly rotating auger. When the water Control system, including ice level sensor, gets to the freezing point, ice begins to form. -
Page 5: Evaporator And Auger
GEMU090 Service Evaporator and Auger Bearing Ice Outlet Foam Insulation Auger Heat Exchange Tube Coil Rotating Half of Water Seal Water Inlet Stationary Half of Water Seal Cut Away View Page 3... -
Page 6: Control System
GEMU090 Service Control System The control system operates the machine. The The control pad has two switches and three lights. controller operates on 12 volts AC, supplied by the The left switch button is On/Off. The right switch transformer. It uses an ultrasonic ice sensor to button is Clean/Reset. -
Page 7: Water System
GEMU090 Service Water System The auger is driven at about 11 RPM by the gear slightly and water will flow into the reservoir reducer. The gear reducer is a sealed component through the partially open float valve. It will flow in and does not require lubrication, as it contains a continually as ice is made. -
Page 8: Storage
GEMU090 Service Storage The ice storage system is made up of a plastic lined ice storage bin, covered by an insulated top panel and an insulated swing open door with gasket. The ice storage bin is foamed in place, so the side panels are not removable. -
Page 9: Performance And Technical Specs
GEMU090 Service Performance and Technical Specs Overall: Light Blink Information • • Refrigerant: 4.5 oz R-134a All blink once and repeat every 2 seconds: • Auger motor overload Compressor: Hermetic, 1390 BTUH • • All blink twice and repeat every 2 seconds: Condenser: Forced draft •... -
Page 10: Electrical Sequence
GEMU090 Service Electrical Sequence Upon power being supplied, all the lights will blink the water it is in contact with. If there is no water once and the control system will immediately check present, there will be no electrical continuity and for water in the reservoir. -
Page 11: Service Diagnosis
GEMU090 Service Service Diagnosis Problem Likely Cause Probable Solution No power Plug unit into power supply Unit switched off Push and release on/off button Restore water supply, check sensor. If RO water is too pure, unit cannot operate. No water, water diagnostic light is on Check float valve for restriction Check float valve shut off lever position Check auger motor for voltage, if none,... -
Page 12: Service Diagnosis
GEMU090 Service Service Diagnosis Problem Likely Cause Probable Solution With power on and Ice Making light on, check connector, if secure jump the two middle pins at J2 (bin stat)on the Ice level sensor failure controller together. Unit should start. If it does, replace the sensor, if not, replace the controller. -
Page 13: Component Diagnostics
GEMU090 Service Component Diagnostics Membrane Switch Pump Switch - Pump model only Unplug and check connector pins (left side is pin The pump switch activates the pump based on 1), read about 10 ohms when activating the button, pressure to it from water inside the drain hose to and OL when not pressing the button: Pin 2-3 the pump inlet. -
Page 14: Ice Capacity
All ice making capacities listed by Ice-O-Matic are for clean, new machines. The ice storage bin is not refrigerated; it is an insulated ice chest, so there is meltage. -
Page 15: Removal And Replacement
Lubricants and Sealants Food grade lubricant is useful in repair of this model. Ice-O-Matic part number 6051036-01. Food grade sealant is needed in repair of this model. Ice-O-Matic part number 6051011-01. Page 13... -
Page 16: Gemu090 Gearbox Access & Removal
GEMU090 Service GEM090 Gearbox Access & Removal Lift and remove ice chute Shut off water supply Remove drain plug inside bin compartment Disconnect power supply or unplug unit Hazard of Electrical Shock. Disconnect Electrical Power Before Servicing. Uninstall unit and pull out as needed for top and back access. - Page 17 GEMU090 Service Remove breaker & set aside Carefully lift and rest gearbox & bracket against back of compartment lip Pull auger from freezer by lifting straight up (be careful as auger has sharp edges!) Note: If auger does not lift freely, see Auger Removal Procedure.
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Page 18: Water Seal Replacement
GEMU090 Service Water Seal Replacement Go through the prior steps to remove the gear Lubricate or moisten the outer edge of the new reducer. seal and push it into the bottom of the evaporator tube until flush with the bottom of Remove rotating half of water seal from bottom the tube. - Page 19 GEMU090 Service 13 Slide breaker onto auger shaft. Secure with the Remove 4 allen head screws holding breaker original four allen head bolts. to evaporator. 14 Reverse the balance of the steps to complete Lift breaker off and replace with a new part. putting the machine back together.
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Page 20: Evaporator Replacement
GEMU090 Service Evaporator Replacement Go through all steps to remove the gear Disconnect electrical power. reducer. Remove control box cover Add temporary refrigeration system access valves to the discharge and suction sides of the Unplug all wires. refrigeration system . Remove screws holding controller to box. -
Page 21: Drain Pump (If Equipped)
GEMU090 Service Drain Pump (if equipped) Shut off water supply Fan Blade or Motor Remove all ice and/or any standing water. If equipped with drain pump follow all steps to remove pump. Disconnect power or unplug unit Unplug fan motor connection. Uninstall and pull unit out to get access to left side service panel. -
Page 22: Compressor Replacement
GEMU090 Service Compressor replacement. Note: If built in the unit will need to be pulled out. Note: Placing it over the leg leveler and next to the strut works the best. Shut off water supply 13 Add temporary refrigeration system access valves to the discharge and suction sides of the Disconnect power supply or unplug unit refrigeration system. -
Page 23: Bin And Cabinet
GEMU090 Service Bin and Cabinet The bin and cabinet can be separated from the 17 Lift bin and cabinet off chassis. base. Either the ice making evaporator system must be lifted out and securely suspended or the Auger Motor or Motor Capacitor refrigeration system opened and the connections to the evaporator unbrazed. - Page 24 Wiring Diagram...
- Page 25 Schematic Diagram...
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