Ice-O-Matic GEM0650A/W Service And Installation Manual

Text of Ice-O-Matic GEM0650A/W User Guide:

• Ice-O-Matic GEM0650A/W, 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 relays. (Reference Photo Below) ●Potential Relay: The compressor start relay. ●Mode (ON/OFF) Switch: Manual control for the machine. Control Board Water OK Light Power Light Service Light Freeze Light Bin Full Light LED3 LED1 Compressor R

• Ice-O-Matic GEM0650A/W, 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 breaker cover. Note: Left Hand Threads 5. Inspect the bearing. There should be plenty of grease in sight. If grease is needed the bearing and breaker should be removed to check the action of the bearing. It should rotate freely. 6. To remove the breaker, remove the l

• Ice-O-Matic GEM0650A/W, 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” seal, the top half rotating with the auger, the bottom half stationary, the sealing action being where the two “faces” meet. ●Ice Sweep: A plastic cap with “fingers”. It revolves with the auger to “sweep” the ice into the ice chute. ●Breaker (Divider): Where the ice is compressed and much of the extra water is squeezed out of it before it

• GEM0650/0956/1256 A/W R&R-Auger Page 27 To Remove the Auger: 1. Disconnect electrical power. 2. Turn off the water to the machine. 3. Unclip the evaporator drain hose, pull it down and drain the evaporator into the bin or container. 4. Remove the top panel. 5. Swing bail clip down and remove the ice chute cover. 6. Unscrew ice sweep. 7. Remove ice ch

• Ice-O-Matic GEM0650A/W, 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 into a liquid. This high pressure liquid then goes through the liquid line to the expansion valve. The thermostatic expansion valve meters liquid refrigerant into the evaporator, the volume of liquid refrigerant depending upon the temperature of the evaporator. At the evaporator, the refrigerant enters an area of relatively low pressure, where it can

• Ice-O-Matic GEM0650A/W, 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. Ambient Operating Temperatures: Minimum Operating Temperature: 50°F (10°C) Maximum Operating Temperature 100°F (38°C) Note: ICE-O-Matic ice makers and dispensers are not approved for outdoor installation. Incoming Water Supply Minimum incoming water temperature:

• Ice-O-Matic GEM0650A/W, 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 the inside clean, as illustrated. Water Sensor: The ice machine uses a probe in the water reservoir to determine if there is water. At least twice a year remove the probe from the reservoir and wipe the tip clea

• Ice-O-Matic GEM0650A/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). ●B120, B150, B170-Not designed for GEM Series. Dispenser Application The GEM Series can be placed on and used with certain ice and beverage dispensers. Kits are required for proper operation. IOM Gem Accessory List Dispenser GEM0650 GEM0956 GEM1256 ICE-O-Ma

• Ice-O-Matic GEM0650A/W, 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 in material and factory workmanship for the following: • Cube ice machines, compressed ice machines and remote condensers. - Thirty-six (36) months parts and labor • Ice storage bins -Twenty-four (24) month parts and labor • Flake ice machines - Twenty-four (24) months

• Ice-O-Matic GEM0650A/W, 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 strainer, float valve. Correct water supply. •Unit off due to ice level sensors. •Check/clean ice level sensors. (Photo Ey

• Ice-O-Matic GEM0650A/W, 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 from the top end of the fan motor assembly. (Fig 1) 5. Lift up the fan motors and bracket assembly about ½ inch and pull out the fan assembly out the right service access hole. (Fig 2) 6. Repair as needed. 7. To Reassemble: Place the fan motor assembly lower flange holes over the two Allen head cap screws in the base, and install the hex head boltsat the top of the assembly. Pl

• Ice-O-Matic GEM0650A/W, 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 breaker if it is tripped. ●If both water and power have been checked and are available, try switching the power OFF and then ON. After 2 minutes the machine should restart. If this procedure restarts the machine, service should be called the next time the machine stops. Model Number:___________________ Serial Number:____________________ Ins

• 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 included with replacement compressor. ●R404A is

• Ice-O-Matic GEM0650A/W, GEM0650/0956/1256 A/W Operation: Water Page 15 Water enters the machine through the 3/8 inch male flare at the rear of the cabinet, goes to the water reservoir which it enters through the float valve. The water then goes out the bottom of the reservoir tank to the bottom of the evaporator. Reservoir overflow or evaporator condensation is routed to the drain. Water cooled models have a separate water circuit for the cooling water. The water enters at the rear, goes to the water regulating valve, then to the water cooled condenser and down the drain. Water System Water

• Ice-O-Matic GEM0650A/W, GEM0650/0956/1256 A/W R&R-Evaporator Page 29 To Replace the Evaporator: (Assuming all steps for removal of the thrust bearing, breaker, auger and water seal have been performed). 1. Recover the refrigerant from the ice machine. 2. Unsweat the refrigerant connections: a. At the thermostatic expansion valve outlet. Evaporator Auger Ice Chute Ice Swee p b. At the suction line at the joint about three (3) inches from the evaporator. 3. Remove the evaporator. 4. Unsweat the drier from the liquid line. 5. After installing a new water seal in the new evaporator (

• GEM0650/0956/1256 A/W Table Of Contents Page ii Table of Contents Forward........................................................................................................................................ Page i Table Of Contents....................................................................................................................

• Ice-O-Matic GEM0650A/W, 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. ● Disconnect electrical power, and remove the air filter if applicable. The filter may be cleaned or replaced. ● Clean the condenser: the condenser may appear to be clean on the surface, but it can still be clogged internally. Check with a flashlight from the front to se

• Ice-O-Matic GEM0650A/W, GEM0650/0956/1256 A/W Freight Claim Procedure Page iii Important! Inspect Promptly This merchandise has been carefully inspected and packed in accordance with the carrier’s packing specifications. Responsibility for safe delivery has been assumed by the carrier. If loss or damage occurs, you as the consignee must file a claim with the carrier and hold the container for carrier’s inspection. Visible Loss or Damage Any external evidence of loss or damage must be fully described and noted on your freight bill or express receipt and signed by the carrier’s agent. Claim should be filed on a form available from the carrier. Concealed Loss or Damage If loss or da

• 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 installed machine? _____3. Has the vo

• Ice-O-Matic GEM0650A/W, GEM0650/0956/1256 A/W Service Diagnosis Page 23 Symptom Possible Cause Probable Correction Unit makes ice, but very slowly •High discharge pressure because •Clean filter and condenser. of a dirty condenser. •Low capacity because the auger and •Clean the water system. evaporator are coated with mineral scale. •Low suction pressure due to low •Locate leak. Recover the refrigerant charge. refrigerant, repair leak, replace drier, evacuate and weigh in the nameplate charge. Water leak. •Drain plugged up.

• Ice-O-Matic GEM0650A/W, 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 doubt about the condition of the evaporator and auger, the auger can be removed so the parts can be inspected. Note: Water filters can filter out suspended solids, but not dissolved solids. “Soft” water may not be the complete answer. Check with a water treatment specialist regarding water treatment. For more inform

• Ice-O-Matic GEM0650A/W, 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 specifically designed chemical. That chemical dissolves mineral build up that forms during the ice making process. Sanitize the ice storage bin as frequently as local health codes require, and every time the ice machine is cleaned and sanitized. Not

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