Ice-O-Matic GEM1256A/W - Manuals

GEM0650/0956/1256 A/W 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...

GEM0650/0956/1256 A/W 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. Ambie...

GEM0650/0956/1256 A/W For The Installer Page 2 GEM0650/0655/0956A/W

GEM0650/0956/1256 A/W For The Installer Page 3 GEM1256A/W

GEM0650/0956/1256 A/W For the Installer Page 4 Bin Application The GEM Series are designed to fit the following ICE-O-Matic Bins. ● B42, using Bin Top KBT 24 (Note: GEM0650, GEM0655 and GEM0956 ONLY) ● B25, B40 B55 using Bin Top KBT19. ● B100 using Bin Top KBT 23 (one unit) or KBT 22 (two units). ● ...

GEM0650/0956/1256 A/W For the Plumber Page 7 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...

GEM0650/0956/1256 A/W For the Electrician Page 8 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 cir...

GEM0650/0956/1256A/W For the Installer Page 9 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...

GEM0650/0956/1256 A/W Start Up Page 10 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 tha...

GEM0650/0956/1256 A/W Component Description Page 11 ● Control Box: Contains the electrical controls that operate the machine. ● High Pressure Cut Out Switch: An auto-reset switch sensing the high side refrigeration pressure. It will shut the machine off if the discharge pressure exceeds 450 psig. ● ...

GEM0650/0956/1256 A/W Component Description Page 12 ● 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...

GEM0650/0956/1256 A/W Component Description Page 13 ● 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” se...

GEM0650/0956/1256 A/W Electrical Sequence Page 14 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 f...

GEM0650/0956/1256 A/W Operation: Performance Page 16 Beginning at the compressor, the refrigerant is compressed into a high temperature gas. The discharge line directs this gas to the condenser. At the condenser (air or water cooled) the gas is cooled by either air or water and then it condenses int...

GEM0650/0956/1256 A/W Sanitizing and Cleaning Page 17 It is the USER’S RESPONSIBILITY to keep the ice machine and ice storage bin in a sanitary condition. Without human intervention, sanitation will not be maintained. Ice machines also require occasional cleaning of their water systems with a specif...

GEM0650/0956/1256 A/W Bearing Maintenance Page Bearing Maintenance: The bearing in the breaker should also be checked at least two (2) times per year. Switch the machine OFF and check the bearing. 1. Remove the chute cover. 2. Unscrew the ice sweep 18 3. Removing the water shed and unscrewing the br...

GEM0650/0956/1256 A/W Sensor Maintenance Page 19 Slide Bin Controls to Remove Bin Control Sensor: The bin control uses devices that sense light, therefore they must be kept clean enough so that they can “see”. At least twice a year, remove the bin control sensors from the base of the chute, and wipe...

GEM0650/0956/1256 A/W Maintenance: Air Cooled 20 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. ● Disc...

GEM0650/0956/1256 A/W Auger Maintenance Page 21 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 d...

GEM0650/0956/1256 A/W Service Diagnosis Page 22 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...

GEM0650/0956/1256 A/W Control System Diagnostics Page 24 The Control System consists of: ● Control Board ● Water Sensors ● Ice Sensors ● High Pressure Cut Out ● Low Pressure Cut Out If the unit is OFF , check the control board: 1. Is the Power OK light on? If not check power to the unit. If it has p...

GEM0650/0956/1256 A/W R&R-Bearing and Breaker Page 26 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 c...

GEM0650/0956/1256 A/W R&R-Fan Blade and Motor Page 31 To Remove the Condenser Fan Motor Assembly: (GEM0956 Shown) 1. Disconnect electrical power to the ice machine 2. Remove top panel and the service panels. 3. Unplug the fan motor wire leadsfrom the fan motors. 4. Remove the two (2)head bolt fr...

GEM0650/0956/1256 A/W Refrigeration System Service Page 32 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 inc...

GEM0650/0956/1256 A/W GEM0655 Wiring Diagram Page 36 Wiring Diagram GEM0655 Air

GEM0650/0956/1256 A/W Service History Page 37 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 break...