Scotsman AFE325 Скачать руководство пользователя страница 35 | Manualshive

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No Water Light

Prior Control System

Prior Control System

•

The No Water Light is ON when the Water
Level in the Reservoir is Low.

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Содержание AFE325

Страница 1: ...Flaked and Nugget Ice Machines Technical Training Technical Training ...

Страница 2: ...Presentation Topics Presentation Topics Section 1 1 10 HP Flakers AFE325 AFE400 MFE400 Section 2 1 4 HP Flakers NME FME NSE ...

Страница 3: ...Presentation Topics Presentation Topics Flaker Nugget Topics Component Location Installation Construction Maintenance Service Diagnosis Refrigeration Service ...

Страница 4: ...Small Flakers Small Flakers AFE400 AFE325 MFE400 ...

Страница 5: ...kers Small Flakers Flaked Ice Only AFE325 and AFE400 are Self Contained MFE400 is Modular AFE400 and MFE400 available in air cooled or water cooled configurations AFE325 is only available as an air cooled model ...

Страница 6: ...Small Flakers Small Flakers Air Flow In and Out the Front In the Front Out the Sides and Back In the Front Out the Left Side and Back ...

Страница 7: ...MFE400 Back View MFE400 Back View Ice Chute Water Pressure Switch Water Inlet Gear Box Evaporator Overflow Drain Hose ...

Страница 8: ...MFE400 Installation MFE400 Installation Assemble Ice Chute with pre mounted Thermostat Shipping Position ...

Страница 9: ...Small Flaker Refrigeration Small Flaker Refrigeration Brass Evaporators R 134a Cap Tube AFE325 MFE400 Expansion Valve AFE400 ...

Страница 10: ...Small Flaker Maintenance Small Flaker Maintenance Cleaning Condenser Water System Lubrication Grease Coupling ...

Страница 11: ...Water System Cleaning Water System Cleaning Water System Must Be Cleaned to Remove Mineral Scale ...

Страница 12: ...MFE400 Auger Removal MFE400 Auger Removal Remove Screws ...

Страница 13: ...Small Flaker Controls Small Flaker Controls Electro Mechanical Bin Thermostat Auger Delay Pressure Control Water Pressure Switch Centrifugal Switch on Auger Motor ...

Страница 14: ...Typical Wiring Schematic Typical Wiring Schematic Compressor Fan Motor Auger Motor Cent Sw Auger Delay Water Press Sw Bin Thermostat Master Switch ...

Страница 15: ...Small Flakers Small Flakers What could be wrong if the machine has power but will not start Open bin thermostat No water pressure Open auger motor windings Any of the above ...

Страница 16: ...Refrigeration Refrigeration Typical Low Side Operating Pressure 7 10 PSIG AFE325 12 PSIG AFE400 13 14 PSIG MFE400 ...

Страница 17: ...In Charge Weigh In Charge Evacuate to Evacuate to 300 microns 300 microns Use Nitrogen Purge Use Nitrogen Purge HFC Leak Detectors HFC Leak Detectors R R 134a 134a Refrigeration Service Refrigeration Service ...

Страница 18: ...Small Flaker Summary Small Flaker Summary One Modular Two Self Contained R 134a Small Auger Drive Motor 1 10 HP Electro Mechanical Controls ...

Страница 19: ...NME Nugget or FME Flake NME Nugget or FME Flake Condensing Types Air Cooled Water Cooled Remote Air Cooled Remote Low Side ...

Страница 20: ...Large Modular Flakers Large Modular Flakers 21 Wide 30 Wide 42 Wide ...

Страница 21: ...21 21 and 42 and 42 Wide Wide Right Side View Service Panel Removed Right Side Panel May Also Be Removed Auger Motor ...

Страница 22: ... Left Side View Service panel removed Side panel may also be removed Service Panels Service Panels Compressor ...

Страница 23: ...Air Flow Air Flow Two screws two snaps hold the front panel on Cleanable Air Filter System access ports at the front Benefit Easier Cleaning ...

Страница 24: ...Bail Clamp Reservoir Evap Drain Bin Control Ice Chute Evaporator Front View Front View Control Box ...

Страница 25: ...Installation Installation Standard Plumbing Fittings 3 8 male flare 3 4 drain Electrical Junction Box Options Water Filters or Water Treatment Benefit Easier Installation ...

Страница 26: ...Electrical Junction Box Water Inlet Water Drain Utility Connections Utility Connections Air Cooled Air out the back Benefit Easier Installation ...

Страница 27: ...Initial Start Up Initial Start Up Remotes 4 hour wait after electrical connection for crankcase heater soak out All others switch Mode switch to ON No bin control to install Benefit Easier Installation ...

Страница 28: ...Side View Side View Drain Hose Drain Pan ...

Страница 29: ...Water Reservoir Water Reservoir Float Controlled Water Level Water Sensor Shuts unit down when water is gone ...

Страница 30: ...Ice Sensors Ice Sensors Electric Eyes at the base of the Ice Chute Ice Sensor Position ...

Страница 31: ...Slide to Remove Slide to Remove Photo Eye ...

Страница 32: ...Push to Reset Prior Manual Reset HPC Prior Manual Reset LPC in the Control Box Pressure Cut Outs Prior Pressure Cut Outs Prior ...

Страница 33: ...Pressure Cut Outs Current Pressure Cut Outs Current Automatic Reset LPC Cut Out 15 PSIG Cut In 30 PSIG HPC Cut Out 450 PSIG Cut In 350 PSIG ...

Страница 34: ...Bin Empty Light is ON When Ice Level is Low Prior Control System Prior Control System ...

Страница 35: ...No Water Light Prior Control System Prior Control System The No Water Light is ON when the Water Level in the Reservoir is Low ...

Страница 36: ...Part Number A33942 001 Prior Control System Prior Control System A Tester is Available to Determine if a Sensor or Board Has a Problem ...

Страница 37: ...Benefit Useable on ALL Electronic Flaker Systems Control System Control System All All Use Tester for Ice Sensor Check Prior connect at circuit board AutoSentry connect tester at ice sensor connections ...

Страница 38: ...Current Control System Current Control System Water OK Power OK Freeze Service Bin Full LED1 Compressor Relay LED3 Auger Relay AutoSentry ...

Страница 39: ...utoSentry Control Indicator Lights Blinking Light Indicates a Pending Change Starting Shutting Down LED1 and LED3 Lights Indicate Control Has Powered that Relay s Coil Example LED3 is ON Auger Motor Should Have Power To It ...

Страница 40: ...Timings No ice sensed for 10 seconds Result Start Up Ice sensed for 6 consecutive seconds Result Shut Down Unit Shuts Down Auger Motor Delay runs 1 more minute Compressor will not restart until 2 minutes have passed since shut down ...

Страница 41: ...Water OK Power OK LED1 LED3 AutoSentry Freeze Freeze light blinks during 2 minute Restart Delay Lights On Lights On Making Ice Making Ice ...

Страница 42: ...Power OK AutoSentry Water OK LED3 Water OK Blinks Until Auger Motor Shuts Off Then Then it and LED3 Are OFF Lights On Lights On No Water No Water ...

Страница 43: ...tions Supply Interruptions Water Automatic Restart After 2 Minute Restart Delay 2 Minute Timer Starts After Shut Down Power Automatic Restart After 2 Minute Restart Delay 2 Minute Timer Starts After Power Restoration ...

Страница 44: ...Water OK Power OK Service AutoSentry Service Light Blinks During the Restart Period Glows Continuously When Board Must be Manually Reset Lights On Lights On Auger Motor Stalled Auger Motor Stalled ...

Страница 45: ...Water OK Power OK Bin Full AutoSentry LED3 Bin Full Blinks Until the Auger Motor Shuts OFF Then Bin Full is ON and LED 3 is OFF Lights On Lights On Bin Full Bin Full ...

Страница 46: ...try Control Water OK Power Service Freeze Bin Full LED1 LED3 Normal making ice ON ON Off ON Off ON ON Normal off ON ON Off Off ON Off Off Auger Motor Problem ON ON Blinking ON Off Off Off Cut Out Open Off Off Off Off Off Off Off ...

Страница 47: ...Prior Control System Prior Control System Water Sensor Thermistor Probe Diagnose with Tester Cannot be used with AutoSentry Board Tip Must Be Clean ...

Страница 48: ...ol System Current Control System Water Sensor Conductivity Probe Cannot be used with prior control board Located in Reservoir No tester needed Use ohmmeter or By pass to ground Tip Must Be Clean Benefit Easy to Test ...

Страница 49: ...Conductivity Probe Conductivity Probe Probe s Circuit From Control Board To Probe To Tip Through Water To Evaporator To Chassis Ground Back to Control Board Water Level Probe Tip Evaporator Inlet ...

Страница 50: ...Testing Water Sensor Testing Water Sensor Touch to Ground Wire to Water Sensor from Board Copper Wire Water OK Light on AutoSentry Board Should be ON When Wire is Grounded ...

Страница 51: ...Component Removal Auger Component Removal Auger Begin by Removing the Chute Cover ...

Страница 52: ...Changes Changes Chute Insulation Changed to Foam Type Under Chute Insulation Changed to Foam Type ...

Страница 53: ...Component Removal Auger Component Removal Auger Remove Ice Sweep ...

Страница 54: ...Component Removal Auger Component Removal Auger Remove Breaker Cover Left Hand Threads ...

Страница 55: ...Auger Stud Breaker to Evaporator Cap Screws Component Removal Auger Component Removal Auger Lower Chute and Breaker Cover Removed ...

Страница 56: ...Component Removal Auger Component Removal Auger Remove the 4 allen head screws Lift up on the breaker and pull the auger out ...

Страница 57: ...Component Removal Auger Component Removal Auger Or Remove the Auger Stud and then Lift the Breaker Off the Auger ...

Страница 58: ...Breakers Nugget Flaker Breakers Nugget Flaker This is a Flaker Breaker Extra Slotted Collar 6 slots for ice ...

Страница 59: ...Nugget Breaker Nugget Breaker ...

Страница 60: ...Water Seal Water Seal Water Seal Top Half of Water Seal ...

Страница 61: ...Output Shaft Components Components With the Auger Removed the Output Shaft and Bottom Part of the Water Seal Are Visible ...

Страница 62: ...Auger Auger Drive End Output Shaft Engages Auger Here ...

Страница 63: ...Refrigerant Tube Evaporator Wall Insulation Construction Construction ...

Страница 64: ...Construction Construction Gear Case Input Shaft Change from lip seal to a Labyrinth type Labyrinth Seal ...

Страница 65: ...Ice Machine Cleaner Directly into the Reservoir Mix it 8 ounces to 3 quarts Drain Reservoir Evaporator Unit OFF pour cleaning mixture in reservoir Soak for 15 minutes Start machine pour balance of cleaning mixture in the reservoir ...

Страница 66: ...Maintenance Maintenance Stubborn Stains Must Be Sanded Out Sand Vertically ...

Страница 67: ...Cleaning Cleaning The Auger Must Be Free of Scale Wet Auger Might Appear OK Let it Dry to See Scale ...

Страница 68: ...Needle part number 02 3559 01 Grease part number A36808 001 Breaker Bearing Breaker Bearing Grease the Bearing ...

Страница 69: ... Symptom Probable Cause Possible Solution No Water Check Board for Lights and Reservoir for Water Restore Water No Power Check Board for Lights Prior No Lights Check Transformer Does Not Start Current No Lights Check Hi and Low Pressure Cut Outs ...

Страница 70: ... Service Diagnosis All All Symptom Probable Cause Possible Solution Bin Controls Dirty Check Board for Bin Full or Empty Light Current Bin Full Light is OFF Does Not Start Prior Bin Empty Light is ON Clean Bin Controls ...

Страница 71: ...vice Diagnosis Symptom Probable Cause Possible Solution Auger Motor Will Not Start Check Service Light on AutoSentry Board Service Light Blinking or Steady Check Auger for Binding No Ice No Power to Auger Motor Check relay ...

Страница 72: ... Service Diagnosis Symptom Probable Cause Possible Solution Check for Power to Contactor Coil Check Compressor Compressor OFF Prior models check motor switch Auger Motor ON No Ice Compressor ON Check if auger is turning ...

Страница 73: ...Service Service Motor and Gear Reducer Kits Motor Only or Gear Case with Gears Oil or Complete Case Motor or Individual Gears or Case Cover with output shaft or Case Bottom ...

Страница 74: ......

Страница 75: ... Charge Weigh In Charge Weigh In Charge Evacuate to 300 microns Evacuate to 300 microns Use Nitrogen Purge Use Nitrogen Purge HFC Leak Detectors HFC Leak Detectors R R 404A 404A Refrigeration Service Refrigeration Service ...

Страница 76: ...Summary Summary Stainless steel augers evaporators and bearing retainers Photo electric eye bin controls Water level sensor Double flight auger Self aligning top bearing R 404A refrigerant ...

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