Scotsman Prodigy Elite MC0322 Скачать руководство пользователя страница 46

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MC0322 through MC2148

Air, Water, and Remote Cooled Service Manual

December 2015 Page 46

Test Procedures - Sensors

All electrical components in this ice machine can be diagnosed with a volt-ohmmeter.

Curtain Switch:

1. Test using the controller’s indicator lights. Observe SW1 and SW2. Open and close the curtain in question.

When the curtain is opened, the SW light will be ON. When the curtain gets to within a half inch of closing (at

the switch) the SW light will go OUT.
2. Test with an ohmmeter. Disconnect electrical power. Open the control box cover. Unplug the curtain switch

lead from the controller. Connect an ohmmeter to the leads of the switch. Open and close the curtain. When

the curtain is closed, the switch is closed and there will be continuity (5 ohms or less). When the curtain is

open, the switch is open and the circuit will be open.
3. Test the controller’s curtain switch circuit by jumping the connectors on J7 or J8 together. Reconnect

electrical power. When jumped, the matching SW light will go out. When unplugged or open, the SW light will

be ON. J8 is for the SW1 light.

Curtain Switch

Indicator Lights
Light is ON when

curtain is OPEN
Single curtain models

have one indicator

light ON all the time.

Содержание Prodigy Elite MC0322

Страница 1: ...Service Manual for Air Water and Remote Cooled Modular Cuber Prodigy Elite Models MC0322 MC0522 MC0722 MC0330 MC0530 MC0630 MC0830 MC1030 MC1448 MC1848 MC2148 ...

Страница 2: ...intenance Water Level Sensor Page 34 Critical Maintenance Ice Thickness Sensor Page 35 Critical Maintenance Spillway Page 36 Diagnostics Air Cooled Page 37 Diagnostics Air Cooled Page 38 Low Ice Making Capacity Air Cooled Page 39 Diagnostics Water Cooled Page 40 Diagnostics Water Cooled Page 41 Low Ice Making Capacity Water Cooled Page 42 Diagnostics Remote Air Cooled Page 43 Diagnostics Remote Ai...

Страница 3: ...right to make design changes and or improvements at any time Specifications and design are subject to change without notice Wiring Diagrams Page 80 Wiring Diagrams Page 81 Wiring Diagrams Page 82 Wiring Diagrams Page 83 Wiring Diagrams Page 84 Wiring Diagrams Page 85 Wiring Diagrams Page 86 Wiring Diagrams Page 87 Wiring Diagrams Page 88 Wiring Diagrams Page 89 Wiring Diagrams Page 90 Wiring Diagr...

Страница 4: ...aminate the machine Most water filters remove chlorine from the water supply to the machine which contributes to this situation Testing has shown that using a filter that does not remove chlorine such as the Scotsman Aqua Patrol will greatly improve this situation while the ice making process itself will remove the chlorine from the ice resulting in no taste or odor impact Additionally devices int...

Страница 5: ...urposes on all models 6 of space at the sides and back is required for adequate operation To get the most capacity locate the machine away from heat producing appliances and heating ducts 22 and 30 inch Airflow is in the front out the back 48 inch wide models Air flow is in the front and left side and out the back Environmental Limitations Minimum Maximum Air temperature 50o F 100o F Water tempera...

Страница 6: ...een the water inlet tube end and the highest possible reservoir water level no back flow device is required for the potable water inlet Drain Tubing Use rigid drain tubes and route them separately do not Tee into the bin s drain and if water cooled do not Tee the condenser drain into the reservoir or bin drain Vent the reservoir drain A vertical vent at the back of the drain extended about 8 10 wi...

Страница 7: ...ickness adjustments are not covered by warranty Shut machine off Access the ice thickness sensor Check gap between metal tip and evaporator grid Standard gap is 7 32 inch To set 7 32 drill bit between sensor tip and evaporator to check Adjust gap using adjustment screw Restart unit and check ice bridge Repeat as needed 1 8 to 3 16 inch bridge Too Thin Too Thick Correct Correct Small Medium Adjustm...

Страница 8: ...th conductivity not less than 10 microSiemens cm To set Switch the machine OFF by holding the Off button in until a number or the letter A shows on the display Press and release the On button repeatedly until the number on the display corresponds to the desired setting Press and release the Off switch again to return to the normal control state Product Description and Electrical Requirements See u...

Страница 9: ... temperature 50o F 100o F Water temperature 40o F 100o F Water Pressure 20 psi 80 psi Environmental Limitations remote condenser Minimum Maximum Air temperature 20o F 120o F Power Supply Minimum Maximum 115 volt model 104 volts 126 volts 208 230 volt model 198 volts 253 volts Central Condenser Coils The ice machine may be connected to a central condenser coil The requirements are Coil not previous...

Страница 10: ... feet Rise rd x 1 7 rd distance in feet Horizontal Run hd x 1 hd distance in feet Calculation Drop s Rise s Horizontal Run dd rd hd Calculated Line Length Configurations that do NOT meet these requirements must receive prior written authorization from Scotsman Do NOT Route a line set that rises then falls then rises Route a line set that falls then rises then falls Calculation Example 1 The conden...

Страница 11: ...ne is LIMITED by the specification on the prior page Meet all applicable building codes Roof Attachment Install and attach the remote condenser to the roof of the building using the methods and practices of construction that conform to the local building codes including having a roofing contractor secure the condenser to the roof 22 87 17 15 40 35 dd hd rd Remote Condenser Located Above Ice Machin...

Страница 12: ...ove the tubing access bracket to allow more room for brazing 1 Confirm connection ball valves are fully closed 2 Remove protective plugs from both connections 3 Remove caps from access valve connections 4 Remove cores from access valves 5 Connect refrigeration hoses to access valves 6 Connect dry nitrogen source to liquid line connection 7 Shorten tubing to correct length clean ends and insert the...

Страница 13: ... tubing need a per fall per foot of run for proper draining Follow all applicable codes Electrical The machine is not supplied with a power cord one must either be field installed or the machine hard wired The dataplate on the back of the cabinet details the power requirements including voltage phase minimum circuit ampacity and maximum fuse size HACR type circuit breakers may be used in place of ...

Страница 14: ... cycle Control System Electronic Harvest cycle sensor Conductivity probe Water full empty sensor Conductivity probe Bin Control Curtain Switch Ice type Unified Harvest system Hot gas defrost with mechanical assist Electrical Components Compressor Contactor Water Pump Inlet Water Solenoid Valve Purge or purge Valve Fan Motor s Fan motor pressure control High pressure cut out certain AC models only ...

Страница 15: ...ale Notification Interval This feature is accessible only from standby Status Light Off 1 Press and hold harvest button for 3 seconds This starts the Time to Clean Adjustment Mode and displays the current time to clean setting 2 Press the clean button repeatedly to cycle through the 4 settings 1 year 0 or disabled 4 months 6 months default 3 Push Off to confirm the selection POWER STATUS WATER CLE...

Страница 16: ...r and Remote Cooled Service Manual Component Indicator Lights Condenser Fan Aux Aux liquid line solenoid when a remote condenser model Water Pump Purge Valve Water Solenoid Hot Gas Compressor Ready to Harvest Sump Empty Sump Full Curtain SW1 Curtain SW2 ...

Страница 17: ...ture of the discharge line sensor Harvest Cycle When the harvest cycle begins the controller shuts off the fan motor switches on the hot gas valve and through a parallel circuit the harvest assist solenoid After a few seconds the purge valve opens and water is drained from the reservoir Based on either the automatic purge or manual purge setting the pump and purge valve will be switched off at a t...

Страница 18: ... begins the controller switches on the hot gas valve and through a parallel circuit the harvest assist solenoid After a few seconds the purge valve opens and water is drained from the reservoir Based on either the automatic purge or manual purge setting the pump and purge valve will be switched off at a time determined to have drained enough water for that setting The inlet water valve will open t...

Страница 19: ...ircuit the harvest assist solenoid After a few seconds the purge valve opens and water is drained from the reservoir Based on either the automatic purge or manual purge setting the pump and purge valve will be switched off at a time determined to have drained enough water for that setting The inlet water valve will open to fill the reservoir anytime the mid length probe is uncovered which occurs d...

Страница 20: ... pump will shut off for 30 seconds This is the anti slush period At this time the controller checks the conductivity of the water in the reservoir for the auto purge feature After the water pump restarts the Sump Full light will go out and neither sump lights will be on for the rest of the freeze cycle When the ice has built up enough so that the water flowing over the evaporator comes into contin...

Страница 21: ...ts will be on for the rest of the freeze cycle When the ice has built up enough so that the water flowing over the evaporator comes into continuous contact with the ice level sensor the Ready to Harvest light will begin to blink on and off When it has been On continuously for 3 seconds the controller will switch the machine into a Harvest cycle Indicator Information The display shows a non blinkin...

Страница 22: ...te Schematics Receiver Compressor Remote Condenser Hot Gas Valve Suction Discharge Line Head Pressure Control Valve Heat Exchange TXV Receiver Compressor Remote Condenser Hot Gas Valve Hot Gas Valve Discharge Line Accumulator Head Pressure Control Valve Heat Exchange Suction TXV Suction TXV ...

Страница 23: ... a time during harvest Fan Motor s Operated by the controller and the fan pressure control Can cycle on and off in the freeze cycle always off during harvest When the controller has energized it the indicator light will be ON but the fan will not turn unless the discharge pressure is high enough to close the high pressure control Fan s may shut off near the end of the freeze cycle to build up heat...

Страница 24: ... is common mid probe is refill sump top probe is full sump Refill can occur at any time Ice Thickness Sensor Single wire conductivity sensor Circuit made from controller to ground to controller when water contacts a probe suspended over ice plate Signals ready for harvest Curtain Switch es Magnetic reed switch Normally open switch is closed when magnet is nearby Models with two evaporators have tw...

Страница 25: ...machine in a default mode with thermistors disconnected from the controller Diagnostic code 5 or 7 will be displayed during that time Component Indicator Lights System Indicator Light ON Condenser Fan or Liquid Line Valve Fan Motor Powered or LLV open Water Pump Pump Motor Powered Purge Valve Purge Valve Opens Inlet Water Solenoid Valve Inlet Water Valve Opens Hot Gas Hot Gas Valve Opens Compresso...

Страница 26: ...e mounted to panels Filter media removable without removing panels Fan blades Reduced vibration blades in most air cooled models Remote Systems Head pressure control valves in condenser No check valves Headmaster protected by filters not filter driers Controller pumps unit down by closing the liquid line valve and keeping the compressor on for a fixed time period at shut down Fan pressure control ...

Страница 27: ...mid sensor probe no longer makes a circuit to the bottom probe Closes when reservoir is full and top probe makes circuit to mid probe Pump Unsealed pedestal type twist release mounting Water purge valve Solenoid type Opens to purge water during harvest cycle Water Level Sensor Three probe conductivity Distributor ABS plastic Evenly distributes water over the evaporator surface Slides off the evapo...

Страница 28: ...r is being supplied to the controller Status Light Green when machine is in ice making mode and is operating correctly Blinks red when a machine malfunction has been detected Water Light Blinks red when reservoir does not fill with allowed time period De scale sanitize Yellow when the controller has determined it is time to de scale and sanitize the machine Use clean process to reset light Time is...

Страница 29: ...ut the machine off for another 50 minutes and then restart If it fails a third consecutive time the controller will shut the machine down and must be manually reset Time between resets 50 minutes Number of automatic resets 2 Max water fill time 5 minutes Machine will attempt a restart every 20 minutes Max discharge temp 250 degrees F Time interval between cleanings 6 months power on time adjustabl...

Страница 30: ...then press Off twice and then release On To unlock from Locked ON Hold ON button in for 5 seconds keep holding then press and release Off twice To unlock from Locked OFF Hold ON button and then press OFF button once within 3 seconds wait 5 seconds then press Off twice and then release On Empty reservoir Hold Clean button in for 3 seconds Release Pump and purge valve will be ON for 30 seconds Repea...

Страница 31: ...leave untouched for 60 seconds to select the displayed interval Test Mode Sequence Table Air or Water Cooled Time seconds On Off 0 WIV 30 seconds WP HGV Comp Fan PV 30 WP 10 seconds WIV HGV Comp Fan PV 40 WP PV HGV 10 seconds WIV Comp Fan 50 HGV Comp 5 seconds WIV WP Fan PV 55 Comp 15 seconds WIV HGV WP Fan PV 70 None 5 seconds All 75 HGV 10 seconds WIV WP Comp Fan PV 85 Fan 10 seconds WIV HGV WP ...

Страница 32: ... 110 4663 111 4562 112 4463 113 4367 114 4273 115 4182 116 4093 117 4006 118 3921 119 3838 120 3757 121 3678 122 3601 123 3526 124 3452 125 3381 126 3311 127 3243 128 3176 129 3111 130 3047 131 2985 132 2924 133 2865 134 2807 135 2751 136 2696 137 2642 138 2589 139 2537 140 2487 141 2438 142 2390 143 2343 144 2297 145 2252 146 2208 147 2165 148 2123 149 2082 150 2042 151 2003 152 1965 153 1927 154...

Страница 33: ...ale remover added between draining and refilling The controller will indicate the proper time to add the scale remover by blinking A d 1 The rest is automatic the controller will circulate and then flush out the scale remover No manual timing is needed After the scale remover has been drained out the water distributor must be inspected for loose scale and cleaned of any Removal of the sump cover p...

Страница 34: ...uild up Rinse sensor probes with clean water do not submerge and then dry probes thoroughly During use the Water Level Sensor may become coated with mineral scale from the water which if left untreated can negatively impact machine performance To correct the Water Level Sensor must have the mineral scale removed Follow the below steps every time the machine is cleaned Note Do not disassemble or su...

Страница 35: ...al scale from the water which if left untreated can cause changes in bridge thickness To correct the Ice Thickness Sensor must have the mineral scale removed Follow the below steps every time the machine is cleaned Note Do not disassemble or submerge sensor while cleaning 1 Disconnect harness from sensor 2 Press tabs to release sensor and remove 3 Wipe down the metal part of the sensor with dilute...

Страница 36: ...dge long harvest and even a shut down on short freeze code 8 The primary procedure for correcting poor water flow is to scrub the spillway surface 1 Shut machine off 2 Remove right side panel liner and panel 3 Disconnect ice thickness sensor from its bracket and move out of the way 4 Scrub 4 to 6 strokes across the normal flow of water A clean nylon scrubbing pad is the recommended tool 5 Reassemb...

Страница 37: ...ater supply Incomplete harvest Check harvest system High pressure cut out opened Check fan motor pressure control check fan motor check controller using test mode Fan motor pressure control open Check fan pressure control Fan motor not turning Check fan motor check fan blade check controller using test mode Water pump not pumping Check pump motor check controller using test mode Pump hose disconne...

Страница 38: ...triction Curtain switch does not open when curtain does Check switch with ohmmeter Machine in very cold ambient Move machine to a warmer location Hot gas valve does not open Check hot gas valve check controller using test mode Harvest assist probe out of position ejector pin not retracted Check harvest assist mechanism spring should retract pin Damaged evaporator Check evaporator surface Fan motor...

Страница 39: ...ace fan pressure switch if too low Long Harvest Cycle Dirty evaporator De scale water system No harvest assist Check harvest assist solenoid Bridge thickness too big Check and adjust bridge thickness Machine in very cool ambient Increase room temperature False bin full signal Ice jammed in between curtain and sump Clear ice away Curtain does not close correctly Check curtain for proper swing Makes...

Страница 40: ...m High pressure cut out opened Water supply cut off restore water supply to condenser Fan motor pressure control open Check fan pressure control Fan motor not turning Check fan motor check fan blade check controller using test mode Water pump not pumping Check pump motor check controller using test mode Pump hose disconnected Check hose Compressor not operating Check compressor contactor check con...

Страница 41: ...tion Check curtain for swing restriction Curtain switch does not open when curtain does Check switch with ohmmeter Machine in very cold ambient Move machine to a warmer location Hot gas valve does not open Check hot gas valve check controller using test mode Harvest assist probe out of position ejector pin not retracted Check harvest assist mechanism spring should retract pin Damaged evaporator Ch...

Страница 42: ... on and off Check pressures fans cycle at Replace fan pressure switch if too low Long Harvest Cycle Dirty evaporator De scale water system No harvest assist Check harvest assist solenoid Bridge thickness too big Check and adjust bridge thickness Machine in very cool ambient Increase room temperature False bin full signal Ice jammed in between curtain and sump Clear ice away Curtain does not close ...

Страница 43: ... check fan motor check controller using test mode Fan motor not turning Check fan motor check fan blade Water pump not pumping Check pump motor check controller using test mode Pump hose disconnected Check hose Compressor not operating Check compressor contactor check controller using test mode Check compressor start components check PTCR resistance and temperature Check compressor voltage Check c...

Страница 44: ...ged holes Curtain out of position Check curtain for swing restriction Curtain switch does not open when curtain does Check switch with ohmmeter Hot gas valve does not open Check hot gas valve check controller using test mode Harvest assist probe out of position ejector pin not retracted Check harvest assist mechanism spring should retract pin Damaged evaporator Check evaporator surface Shut down o...

Страница 45: ...cale water system No harvest assist Check harvest assist solenoid Bridge thickness too big Check and adjust bridge thickness Machine in very cool ambient Increase room temperature False bin full signal Ice jammed in between curtain and sump Clear ice away Curtain does not close correctly Check curtain for proper swing Makes Excessive Noise Air cooled Problem Likely Cause Probable Solution Fan blad...

Страница 46: ...lectrical power Open the control box cover Unplug the curtain switch lead from the controller Connect an ohmmeter to the leads of the switch Open and close the curtain When the curtain is closed the switch is closed and there will be continuity 5 ohms or less When the curtain is open the switch is open and the circuit will be open 3 Test the controller s curtain switch circuit by jumping the conne...

Страница 47: ...ckness sensor lead from the controller Connect an ohmmeter lead to the ice thickness sensor lead touch the other ohmmeter lead to the ice machine chassis There must be an open circuit If there is continuity the sensor must be replaced If there is no continuity touch the ohmmeter lead to the metal part of the ice thickness sensor There should be continuity If open check the ice thickness sensor for...

Страница 48: ... the control box cover Unplug the connector at J9 Locate water level sensor and remove it from the sump cover Test 1 Place one lead of the ohmmeter on the longest probe and the other on the controller end of the red wire there should be continuity Test 2 Place one lead on the controller end of the white wire and the other on the mid length probe there should be continuity Test 3 Place on lead on t...

Страница 49: ...emperature Any reading within 1000 ohms is acceptable Discharge sensor Measure the temperature of the discharge line as close to the sensor as possible Measure the resistance of the discharge temperature sensor two leads farthest away from the open socket on the harness connector and compare to the resistance in the chart for that temperature Any reading within 1000 ohms is acceptable 3 Alternate ...

Страница 50: ...ck for high amp draw Measure amp draw of starting circuit If it does not drop off immediately after start up the PTCR should be replaced It is not practical to check a PTCR for resistance at high temperatures as the resistance drops very fast as the PTCR s temperature falls If the compressor is drawing excessive amps but is operating the run capacitor may be open Disconnect electrical power discha...

Страница 51: ...there is voltage and the motor does not operate replace the motor If there is no voltage check the controller high voltage harness connection The fan motor lead is the top wire Check voltage from it to ground at the end of the test when the fan motor indicator light is On there must be voltage from this pin to ground Note high voltage power is supplied to the bottom pin from the contactor line Ref...

Страница 52: ...round The water pump pin is number 6 If there is voltage at that pin to ground but very low voltage at the pump motor there must be a broken wire in the harness If the voltage is low at pin 6 the controller should be replaced 2 Test using an ohmmeter Disconnect electrical power Unplug the water pump motor leads from the harness Measure the resistance of the motor windings If open replace the pump ...

Страница 53: ...sh and release the On button to restart the machine As the unit drains the reservoir the purge valve connection should receive full voltage If it does the purge valve should be replaced If there is no voltage check voltage from the controller to ground The purge valve pin is 3 dump valve on wiring diagram If there is voltage from that pin to ground but low voltage at the valve harness connection t...

Страница 54: ...sure cut out is closed check for voltage from the controller to ground The contactor pin is 4 Check from 4 to ground or on 220 volt models to the other power leg usually L2 when the compressor indicator light is on There should be voltage If not replace the controller If there is voltage at the controller but not at the contactor coil the harness wires or connectors are damaged and must be replace...

Страница 55: ...n pressure control D Switch ice machine on observe pressure that the pressure control closes at compare to spec Switch unit off allow system to equalize observe pressure the pressure control opens at compare to spec To Test High Pressure Switch A Attach refrigeration gauge set to high side port B Unplug fan motor or shut water off if water cooled C Measure voltage between contactor side terminal o...

Страница 56: ...alve does not operate replace the valve coil If there is no voltage check the controller high voltage harness connection The liquid line solenoid lead is the top wire Check voltage from it to ground at the end of the test when the Condenser Fan indicator light is On there must be voltage from this pin to ground or on 220 volt models to the other power leg Note high voltage power is supplied to the...

Страница 57: ... Shut the unit down by holding the Off button in for 3 seconds Unplug the harness connection from the inlet water valve Wait four minutes Push and release the On button to restart the machine After the unit drains the reservoir the inlet water valve connection should receive full voltage If it does the inlet water valve should be replaced If there is no voltage check voltage from the controller Th...

Страница 58: ...how infinite resistance when tested with an ohmmeter Hot Gas or Vapor Valve 1 Test using the controller s indicator lights If the unit is running or has been off for more than 4 minutes push and release the Harvest button The Hot Gas indicator light will be on and the hot gas valve will be energized The compressor will force discharge gas into the evaporator inlet warming it If the evaporator inle...

Страница 59: ... Fan Blade or Motor 1 Push and release the Off button 2 Disconnect electrical power 3 Remove front panel and left side panel 4 Unplug fan motor wire leads 5 Remove fan motor mounting brackets from shroud Note Fastener size is 3 8 hex 6 Carefully remove fan motor and blade assembly from machine cabinet 7 Loosen set screw pull fan blade from motor shaft 8 If the blade is the only part being changed ...

Страница 60: ...from harvest assist 5 Unplug wires from solenoid or mechanism 6 Remove screws and solenoid or mechanism from cabinet 7 Reverse to reassemble Note Solenoid replaced by mechanism beginning in 2013 Solenoid prior to 2010 may be eligible for recall See www scotsman ice com for details Electrical Shock Hazard Disconnect electrical power before beginning Harvest Assist Solenoid 2010 and later Harvest As...

Страница 61: ...k to control box 10 Disconnect from controller connection J10 11 Remove sensor from machine 12 Reverse to reassemble 13 Set initial probe to evaporator surface gap using a 7 32 drill bit as a gauge Note Thin ice short freeze cycles and premature harvest can be the result of a dirty ITS and or Irregular water flow over the spillway Please ensure that the sensor and spillway are properly cleaned bef...

Страница 62: ...holding strap to back of the control box 7 Remove wires from capacitor 8 Connect wires to new capacitor refer to wiring diagram as needed 9 Reverse to reassemble Contactor 1 Disconnect electrical power 2 Remove front panel 3 Open control box cover 4 Remove right side of control box 5 Remove metal barrier from control box 6 Remove mounting screws holding contactor to control box 7 Exchange wires fr...

Страница 63: ...ting bracket 7 Before touching new controller discharge any static electricity by touching the metal surface of the ice machine cabinet 8 Rotate selector switch to the proper model number for the machine the controller is being installed on 9 Install new controller on mounting bracket secure with original screws 10 Attach all wires removed 11 Shut control box cover 12 Switch on the electrical powe...

Страница 64: ...tain which has magnets on both ends Push and release the ON button to restart the machine Curtain switch 1 Push and hold the Off button to shut the machine off 2 Disconnect electrical power 3 Remove front panel 4 Remove evaporator cover 5 Open control box 6 Locate curtain switch on evaporator mounting bracket Pull switch from its snaps or remove 2 screws 7 Dismount wires from sump cover and remove...

Страница 65: ... spring and plunger can be taken out 6 Remove screws holding valve to mounting bracket 7 Remove inlet and outlet hoses 8 Remove valve from cabinet 9 Reverse to reassemble 10 Push and release the On button to restart the machine Water level sensor 1 Push and hold the Off button until the machine shuts off 2 Remove the front panel 3 Locate water level sensor 4 Squeeze the locking tabs together and p...

Страница 66: ...pump 4 Rotate the pump CCW about 1 8 turn to release it 5 Lift pump up and remove hose 6 Attach hose to new pump 7 Install in pump bracket 8 Rotate CW about 1 8 turn to lock it in place 9 Plug pump into harness 10 Return panels to their original positions and secure with the original screws 11 Push and release the ON button to restart the machine Electrical Shock Hazard Disconnect electrical power...

Страница 67: ...compartment walls 14 Shut nitrogen valve 15 Gain access to the right side of the unit Remove mounting screws holding the evaporator to the freezing compartment wall Note fastener size is 5 16 hex 16 Remove the evaporator from the ice machine 17 Attach new evaporator to freezing compartment wall but do not secure tightly at this time 18 Install the harvest assist Be sure pin moves freely thru eject...

Страница 68: ...es 12 Unsweat the drier from the liquid line Remove it 13 Shut the nitrogen valve 14 Remove the compressor from the ice machine Note Some models may require the control box to be moved slightly to allow compressor replacement 15 Immediately place new compressor in ice machine 16 Open nitrogen bottle and braze compressor suction discharge and process joints together Braze new drier into system 17 S...

Страница 69: ...at the expansion valve from the liquid line Remove it 9 Unsweat the drier from the liquid line Remove it 10 Connect nitrogen to discharge access valve 11 Immediately place new valve in ice machine 12 Open nitrogen bottle and braze expansion valve inlet and outlet joints together Braze new drier into system 13 Shut off nitrogen shut access valves 14 Evacuate to at least 300 microns 15 Weigh in the ...

Страница 70: ...ter is below 40 degrees or so the Vari Smart will only signal Bin Full at the end of a harvest cycle If above 40 it should do so at the beginning of freeze The easiest way to check it is as follows 1 Install the Vari Smart on the Prodigy 2 Set the Vari Smart on 32 Min in photo above 3 Connect power to the unit 4 Put the unit into a Manual Harvest 5 Position something about 12 from the sensor The o...

Страница 71: ...inutes 90 70 12 13 10 11 22 17 20 Beginning Freeze Low Side Pressures 70 50 50 56 57 50 60 Ending Freeze Low Side Pressures 70 50 26 32 30 31 25 Beginning Harvest Low Side Pressures 70 50 100 95 80 81 87 Ending Harvest Low Side Pressures 70 50 105 105 98 95 84 Beginning Freeze Low Side Pressures 90 70 60 57 67 55 62 Ending Freeze Low Side Pressures 90 70 32 32 33 31 29 Beginning Harvest Low Side P...

Страница 72: ...January 2022 Page 72 MC0322 through MC2148 Air Water and Remote Cooled Service Manual Performance Data ...

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Страница 78: ...January 2022 Page 78 MC0322 through MC2148 Air Water and Remote Cooled Service Manual Wiring Diagram MC0322 MC0722 MC0330 MC0530 MC0630 A W Single Phase Wiring Diagrams ...

Страница 79: ...MC0322 through MC2148 Air Water and Remote Cooled Service Manual January 2022 Page 79 Schematic Diagram MC0322 MC0722 MC0330 MC0530 MC0630 A W Single Phase Wiring Diagrams ...

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Страница 97: ...MC0322 through MC2148 Air Water and Remote Cooled Service Manual January 2022 Page 97 Wiring Diagrams Schematic Diagram MC1448 Air Water Three Phase ...

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Страница 100: ...January 2022 Page 100 MC0322 through MC2148 Air Water and Remote Cooled Service Manual Wiring Diagrams Wiring Diagram MC330L MC430L Single Phase ...

Страница 101: ...MC0322 through MC2148 Air Water and Remote Cooled Service Manual January 2022 Page 101 Wiring Diagrams Schematic Diagram MC330L MC430L Single Phase ...

Страница 102: ...January 2022 Page 102 MC0322 through MC2148 Air Water and Remote Cooled Service Manual Wiring Diagrams Wiring Diagram MC222L Single Phase ...

Страница 103: ...MC0322 through MC2148 Air Water and Remote Cooled Service Manual January 2022 Page 103 Wiring Diagrams Schematic Diagram MC222L Single Phase ...

Страница 104: ...January 2022 Page 104 MC0322 through MC2148 Air Water and Remote Cooled Service Manual Wiring Diagrams Wiring Diagram MC2148 Remote Three Phase ...

Страница 105: ...MC0322 through MC2148 Air Water and Remote Cooled Service Manual January 2022 Page 105 Wiring Diagrams Schematic Diagram MC2148 Remote Three Phase ...

Страница 106: ...January 2022 Page 106 MC0322 through MC2148 Air Water and Remote Cooled Service Manual Wiring Diagrams Wiring Diagram MC2148 Remote Single Phase ...

Страница 107: ...MC0322 through MC2148 Air Water and Remote Cooled Service Manual January 2022 Page 107 Wiring Diagrams Schematic Diagram MC2148 Remote Single Phase ...

Страница 108: ...January 2022 Page 108 MC0322 through MC2148 Air Water and Remote Cooled Service Manual Wiring Diagrams Wiring Diagram MC2648 Remote Single Phase ...

Страница 109: ...MC0322 through MC2148 Air Water and Remote Cooled Service Manual January 2022 Page 109 Wiring Diagrams Schematic Diagram MC2648 Remote Single Phase ...

Страница 110: ...SCOTSMAN ICE SYSTEMS 101 Corporate Woods Parkway Vernon Hills IL 60061 800 726 8762 www scotsman ice com ...

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