Related Manuals for Scotsman HID525X
Summary of Contents for Scotsman HID525X
- Page 1 Service Manual for Meridian Ice Maker-Dispensers Models HID312X, HID525X and HID540X...
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Page 2: Safety Information
WARNING: Do not damage the refrigerating circuit Use a Scotsman recommended technician certified to repair R290 equipment. Install ONLY Scotsman factory service parts. Use of non-OEM parts can be dangerous due to the design changes needed to safely use R290 refrigerant. - Page 3 Safety Information WARNING: Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. The appliance shall be stored in a room without continuously operating ignition sources Do not pierce or burn. Be aware that refrigerants may not contain an odor.
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Page 4: Table Of Contents
HID312X Cabinet Drawing ....... . 6 HID525X Cabinet Drawing ....... . 7 HID540X Cabinet Drawing . -
Page 5: Specifications
Scotsman. limitations is considered abuse and any resulting damage is not covered by warranty and could cause a Scotsman reserves the right to make design changes complete loss of warranty coverage. and/or improvements at any time. Specifications and design are subject to change without notice. -
Page 6: Hid312X Cabinet Drawing
HID312X, HID525X, HID540X Service Manual HID312X Cabinet Drawing June 2025 Page 6... -
Page 7: Hid525X Cabinet Drawing
HID312X, HID525X, HID540X Service Manual HID525X Cabinet Drawing June 2025 Page 7... -
Page 8: Hid540X Cabinet Drawing
HID312X, HID525X, HID540X Service Manual HID540X Cabinet Drawing June 2025 Page 8... -
Page 9: Placement
HID312X, HID525X, HID540X Service Manual Placement Cafeteria applications. The location of the equipment should be selected with care. Consideration should be given to allow The unit can be placed in a cafeteria line for ice and adequate space on the sides for air cooled models to water. -
Page 10: Counter Installations
HID312X, HID525X, HID540X Service Manual Counter Installations Units placed on a counter must either use legs or be Panel Removal sealed to the counter top with food grade sealant per Remove one screw at bottom front of upper front local codes. To avoid disturbing the seal, complete the panel, swing bottom of panel forward and lift off the installation prior to sealing. -
Page 11: Differences Between Models
HID312X, HID525X, HID540X Service Manual Differences Between Models Model Electrical Condenser Cabinet Width Height Refrigerant / Charge Type in / cm in / cm HID312AX-1A 115/60/1 Counter 16 / 41.3 35 / 88.6 R290 / 5 oz HID525AX-1A 115/60/1 Counter 21 / 54 35 / 88.6... -
Page 12: Component Location
HID312X, HID525X, HID540X Service Manual Component Location Photo-Electric Eye Ice Ice Making Level Sensors System Water Reservoir Agitator, Dispense Bar, Dispense Compressor Rotor Control Box Electronic Condenser Controller Compressor Ice Dispense Sensor Drain Basin and Manifold Water Dispense Sensor Drip Tray... -
Page 13: Installation
To locate one, call the number on machine will act as an internal vent, no additional the back of this manual or go to Scotsman’s website vent should be required unless there is a very long www.scotsman-ice.com to identify a local distributor or horizontal run. -
Page 14: Start Up
F. Air cooled models will discharge warm 14. Fill out the Customer Evaluation and Warranty air out the right side, water cooled models will Registration form, and mail it in to Scotsman or discharge warm (about 110 F.) water out of the register the unit at Scotsman’s website (www. -
Page 15: Operation: Ice And Water Vending
HID312X, HID525X, HID540X Service Manual Operation: Ice and Water Vending Other notes: During ice making soft ice is compressed thru a die and then broken off into irregular lengths. It will not be • An occasional drip may be seen from the ice clear and, because of melting, when dispensed it will dispense chute. -
Page 16: Controller
HID312X, HID525X, HID540X Service Manual Controller All models use the same control system. The electronic controller operates the compressor (with fan motor), auger drive motor, dispense drive motor and inlet water solenoid valve. It monitors: • Reservoir water availability • Storage bin ice level •... -
Page 17: Controller Functions
HID312X, HID525X, HID540X Service Manual Controller Functions The controller has features for the service technician. Some details • Any auger motor failure is an immediate shut down. Because of the critical nature of that failure there is no auto restart from an auger error. -
Page 18: Maintenance And Cleaning
HID312X, HID525X, HID540X Service Manual Maintenance and Cleaning There are five areas of maintenance: 4. Remove screws holding lower front panel to unit and unplug lower panel sensors at the harness 1. Drip tray and drain system connection. Set panels aside. -
Page 19: Air Filter
HID312X, HID525X, HID540X Service Manual Air Filter The air filter on the left side of the cabinet will capture significant dust and lint during operation. As the dirt builds up it begins to restrict air flow and causes the refrigeration system to work longer to make ice. Clean the air filter regularly. -
Page 20: Maintenance And Cleaning - Dispensing Bin Components
5. Disconnect ice level control at harness. 11. Mix a solution of ice machine scale remover, such Moving parts hazard. as Scotsman Clear 1 and potable water per the Risk of personal injury. directions supplied with the scale remover. Disconnect electrical 12. -
Page 21: Ice Level Controls
HID312X, HID525X, HID540X Service Manual Ice Level Controls Clean if the controller indicates bin full and there is no ice between the sensors. 1. Remove top front and top panels. 2. Shut machine off. 3. Disconnect ice level controls at connector. -
Page 22: Dispensing Bin
HID312X, HID525X, HID540X Service Manual Dispensing Bin The dispensing bin may be removed for cleaning or to provide service access to other components. 1. Go thru steps 1 thru 10 of the Bin Cleaning 6. Remove the Procedure above. chute mounting 2. -
Page 23: Ice Making And Ice Dispensing System Cleaning Instructions
Call drained. Physician immediately. In case of external contact, flush 6. Mix a solution of 16 oz or 1/2 liter of Scotsman with water. Clear 1 ice machine scale remover and 16 oz or KEEP OUT OF THE REACH 1/2 liter of clean, potable water. - Page 24 HID312X, HID525X, HID540X Service Manual 14. Push the Clean button. The unit will operate the 30. Drain sanitizer from ice making system by pulling auger motor for 30 minutes and then stop. reservoir drain hose from plug and return hose to plug when drained.
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Page 25: Other Maintenance
HID312X, HID525X, HID540X Service Manual Other Maintenance The auger in the ice making system is centered by bearings at the top and bottom. It is also sealed from leaking by a water seal at the bottom. Bearing The bearings are permanently lubricated and need no maintenance. -
Page 26: Basic Troubleshooting
HID312X, HID525X, HID540X Service Manual Basic Troubleshooting Symptom Possible Cause Probable Correction No ice is dispensed No ice in bin Unit in Off mode. Remove upper front panel and check controller code, push On/Off button to restart. No water to unit. Controller shows code 3. Restore water supply. -
Page 27: Troubleshooting
HID312X, HID525X, HID540X Service Manual Troubleshooting Symptom Possible Cause Probable Correction No ice in bin Auger motor not operating Open windings. Check motor windings and replace if open. Gear reducer seized, replace gear reducer. Auger bearings seized, replace bearings and seal No power to auger motor, Auger light is ON. -
Page 28: Controller Diagnostics
HID312X, HID525X, HID540X Service Manual Controller Diagnostics Code or Light Action Probable Cause Suggested Action Unit manually switched off If desired, switch unit on. Freeze mode None, unit is making ice. Bin sensors sense bin full Check if bin is full. -
Page 29: Test Procedures
HID312X, HID525X, HID540X Service Manual Test Procedures Dispensing Sensors Remove upper front panel, check controller indicator lights. Dispense sensor or button and system test Hold opaque container in front of sensor or push button Does proper Replace sensor dispensed light... -
Page 30: Test Procedures
HID312X, HID525X, HID540X Service Manual Test Procedures Photo-Eye Bin Control Remove front panel. Check controller code display. If the unit is in ice making mode (status light on) there will normally either be an F or a b displayed. If the bin is full, b is displayed. -
Page 31: Test Procedures - Refrigeration
Some items that The HID312X uses a current relay for starting. The can be measured are winding resistance and amp HID525X and HID540X use a potential relay. Both draw. have start capacitors. If the compressor does not start and a check with an... -
Page 32: Test Procedures Auger And Gear Reducer
HID312X, HID525X, HID540X Service Manual Test Procedures Auger and Gear Reducer Auger Note: The replacement motor is supplied attached to a gear reducer cover. Remove the motor from the The auger must be clean and undamaged to work cover and attach it to the gear reducer. -
Page 33: Dispensing Motor
HID312X, HID525X, HID540X Service Manual Dispensing Motor Removal - must remove the bin 15. Locate two 3 prong knob bolts under the bin. Remove them. 1. Vend or melt out all ice. Note: Only add 16 oz or 1/2 liter water to the bin at a time, as excess water will drain out the spout. -
Page 34: Photo Eye - Bin Control
HID312X, HID525X, HID540X Service Manual Photo Eye - Bin Control 1. Remove front panel. 5. Pull clip from each photo eye holder and push holder in to release. 2. Unplug photo eye from harness. b will be displayed on controller. -
Page 35: Gear Reducer
HID312X, HID525X, HID540X Service Manual Gear Reducer Removal - bin removal recommended 18. Disconnect wires to auger motor. 1. Vend or melt out all ice. 19. Remove 3 screws holding motor cover to motor. Note: Only add 16 oz or 1/2 liter water to the bin at a 20. -
Page 36: Auger
HID312X, HID525X, HID540X Service Manual Auger It is the manufacturer’s recommendation that the top bearing, bottom bearing and water seal be replaced at the same time. Extruder / Breaker 1. Remove top panel 2. Remove storage bin cover. 3. Slide chute cover back and remove. -
Page 37: Evaporator
HID312X, HID525X, HID540X Service Manual Evaporator 1. Go thru all steps to remove the auger. 7. Lift the evaporator up and off the bottom bearing retainer. The stationary half of the water seal will 2. Go thru all steps to remove the bin. -
Page 38: Water Seal And Auger Bearings
HID312X, HID525X, HID540X Service Manual Water Seal and Auger Bearings Water Seal Top Bearing: 1. Go thru all steps to remove the auger. 1. Go thru the process of removing the extruder breaker. 2. Remove the 4 allen head screws at the bottom of the evaporator. -
Page 39: Hid312X Wiring Diagram
HID312X, HID525X, HID540X Service Manual HID312X Wiring Diagram BACK CONTROL BOX START COMPRESSOR RELAY CAPACITOR COND (AIR COOLED ONLY) 12 13 COMPRESSOR GN/Y CONTACTOR EARTH GROUND COMPRESSOR POWER IN OVERLOAD ICE DISPENSE MOTOR BIN FULL DETECTOR PHOTO TRANS BIN FULL... -
Page 40: Hid312X Schematic Diagram
HID312X, HID525X, HID540X Service Manual HID312X Schematic Diagram POWER SUPPLY - SEE NAMEPLATE UNIVERSAL POWER SUPPLY AUGER DRIVE AUGER DRIVE RELAY MOTOR C0IL COMPRESSOR/FAN RELAY CONTACTOR C0IL WATER DISPENSE MOTOR CONTACTOR PRINTED CIRCUIT BOARD ASSEMBLY BIN DISPENSE (AC ONLY) MOTOR... -
Page 41: Hid525X And Hid540X Wiring Diagram
HID312X, HID525X, HID540X Service Manual HID525X and HID540X Wiring Diagram June 2025 Page 41... -
Page 42: Hid525X Or Hid540X Schematic Diagram
HID312X, HID525X, HID540X Service Manual HID525X or HID540X Schematic Diagram June 2025 Page 42... - Page 43 SCOTSMAN ICE SYSTEMS 775 Corporate Woods Parkway Vernon Hills, IL 60061 847-215-4500 800-726-8762 www.scotsman-ice.com 291-858...
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