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Manitowoc S300, Technician'S Handbook

The Yamaha S300 Operating Manual is available for download for free at manualshive.com. This comprehensive manual provides detailed instructions on operating and optimizing the Yamaha S300 device. Quickly and effortlessly access the manual to unlock the full potential of your Yamaha S300 product.

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Part Number 80-1479-3 7/10

DIAGNOSING START COMPONENTS

If the compressor attempts to start, or hums and trips 

the overload protector, check the start components 

before replacing the compressor.

Capacitor

Visual evidence of capacitor failure can include a 

bulged terminal end or a ruptured membrane. Do not 

assume a capacitor is good if no visual evidence is 

present. A good test is to install a known good 

substitute capacitor. Use a capacitor tester when 

checking a suspect capacitor. Clip the bleed resistor 

off the capacitor terminals before testing.
• If the compressor attempts to start, or hums and 

trips the overload protector, check the starting 

components before replacing the compressor.

• Visual evidence of capacitor failure can include a 

bulged terminal end or a ruptured membrane. Do 

not assume a capacitor is good if no visual 

evidence is present.

• A good test is to install a known good substitute 

capacitor.

• Use a capacitor tester when checking a suspect 

capacitor. Clip the bleed resistor off the capacitor 

terminals before testing.

Summary of Contents for S300

Page 1: ...ook This manual is updated as new information and models are released Visit our website for the latest manual www manitowocice com America s 1 Selling Ice Machine S Model Ice Machines Part Number 80 1479 3 7 10 Manitowoc ...

Page 2: ......

Page 3: ...s you work Throughout this handbook you will see the following types of procedural notices Warning Text in a Warning b ox alerts yo u to a p otential personal injury si tuation Be su re to read the Warning statement before proceeding and work carefully Caution Text in a Caution box alerts you to a si tuation in which you could damage the equipment Be sure to read the Caution statement before proce...

Page 4: ...ed by this handbook do no t procee d contact Ma nitowoc Foodservice We wi ll b e happy to p rovide assistance Important Routine ad justments and main tenance procedures outlin ed in thi s handbook are not covered by the warranty Warning PERSONAL INJURY POTENTIAL Do n ot ope rate eq uipment that has b een misused ab used ne glected d amaged o r altered modified from that of origi nal manufactured s...

Page 5: ... Machine 21 Ice Machine Clearance Requirements 22 Ice Machine Heat of Rejection 23 Remote Condenser Line Set Installation 24 Calculating Remote Condenser Installation Distances 25 Lengthening or Reducing Line Sets 27 Connecting A Line Set 28 Component Identification S Model Single Evaporator Models 29 S Model Quad Evaporator Models 30 Maintenance General 31 Cleaning Sanitizing Procedure 32 Cleanin...

Page 6: ...ed the Ice Machine 84 Safety Limit 1 85 Safety Limit 2 86 Safety Limit 3 87 Control Board Testing 88 Control Board Test Cycle 88 Troubleshooting By Symptom 89 Symptom 1 Ice Machine will not run 90 Compressor Electrical Diagnostics 92 Symptom 2 Low Productionand or Long Freeze Cycle 94 Symptom 2 Freeze Cycle Refrigeration System Operational Analysis Tables 96 Freeze Cycle Refrigeration System Opera...

Page 7: ...58 Fan Cycle Control 159 Water Regulating Valve 160 Harvest Pressure Regulating HPR System Remotes Only 161 Head Pressure Control Valve 164 Low Pressure Cutout LPCO Control 167 Harvest Pressure Solenoid Valve 168 Refrigerant Recovery Evacuation 169 Normal Self Contained Model Procedures 169 Normal Remote Model Procedures 173 System Contamination Clean Up 178 Determining Severity Of Contamination 1...

Page 8: ...00 Series 253 S1800 Series 256 S3300 Series 265 Diagrams Wiring Diagrams 267 Wiring Diagram Legend 267 Wiring Diagrams Before Energy Efficient EnergyStar Machines 268 Wiring Diagrams for Energy Efficient En ergyStar Machines 279 Electronic Control Board 290 Single and Twin Evaporator 290 Single and Twin Evaporator With Test But ton 291 Quad Evaporator Ice Machines 292 Refrigeration Tubing Schemati...

Page 9: ... SD0452A SY0454A SD0453W SY0455W SR0500A SD0502A SY0504A SR0501W SD0503W SY0505W SD0592N SY0594N SD0602A SY0604A SD0603W SY0605W SD0692N SY0694N SR0850A SD0852A SY0854A SR0851W SD0853W SY0855W SR0890N SD0892N SY0894N SR1000A SD1002A SY1004A SR1001W SD1003W SY1005W SR1090N SD1092N SY1094N SD1202A SY1204A SD1203W SY1205W SD1402A SY1404A SD1403W SY1405W SD1492N SY1494N SR1600A SD1602A SY1604A SR1601W...

Page 10: ... or altered modified from that of original manufactured specifications S Y 1094 N SI ICE MACHINE MODEL ICE CUBE SIZE R REGULAR D DICE Y HALF DICE CUBE SIZE 0 REGULAR 1 REGULAR 2 DICE 3 DICE 4 HALF DICE 5 HALF DICE CONDENSER TYPE AIR COOLED WATER COOLED AIR COOLED WATER COOLED AIR COOLED WATER COOLED A SELF CONTAINED AIR COOLED W SELF CONTAINED WATER COOLED N REMOTE AIR COOLED 9 REMOTE AIR COOLED C...

Page 11: ...towoc ice ma chines re quire th e ice storage system bin dispenser etc to incorporate an ice deflector 48 w ide S Model ice mach ines re quire add ing Manitowoc Ice Deflector Kit K00 349 w hen installing wi th non Manitowoc ice sto rage systems 30 w ide S Model ice mach ines re quire add ing Manitowoc Ice Deflector Kit K00 347 w hen installing wi th non Manitowoc ice sto rage systems Prior to usin...

Page 12: ...Energy Efficient Series Ice Machine Serial Break Manufacture Date for Energy Efficient Machines S300 110704351 S420 110667970 S450 110670157 S500 110684316 S850 110683282 S1000 110697023 S1200 110707329 S1400W Manufacture Date After 0711 November 2007 S1400W Manufacture Date Between 0711 0905 November 2007 May 2009 S1400A S1400W S1400N Manufacture Date After 0905 May 2009 S1800A S1800W S1800N Manu...

Page 13: ...e ice machine is installed If the OWNER WARRANTY REGISTRATION CARD is not returned Manitowoc will use the date of sale to the Manitowoc Distributor as the first day of warranty coverage for your new ice machine Important Complete and mail the OW NER WARRANTY REGISTRATION C ARD as soon as p ossible to validate the installation date ...

Page 14: ...s warranty is limited to the repair or replacement of parts components or assemblies that in the opinion of the COMPANY are defective This warranty is further limited to the cost of parts components or assemblies and standard straight time labor charges at the servicing location Time and hourly rate schedules as published from time to time by the COMP ANY apply to all service procedures Additional...

Page 15: ...tions in writing THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES OR GUARANTEES OF ANY KIND EXPRESSED OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE In no event shall the COMPANY be liable for any special indirect incidental or consequential damages Upon the expiration of the warranty period the COMPANY S liability under this warranty shall termina...

Page 16: ...ll be free of defects in material or workmanship for the warranty period outlined below under normal use and maintenance and upon proper installation and start up in accordance with the instruction manual supplied with the Product HOW LONG DOES THIS LIMITED WARRANTY LAST WHO IS COVERED BY THIS LIMITED WARRANTY This limited warranty only applies to the original consumer of the Product and is not tr...

Page 17: ...he balance of the original warranty period whichever is longer The foregoing constitutes Manitowoc s sole obligation and the consumer s exclusive remedy for any breach of this limited warranty Manitowoc s liability under this limited warranty is limited to the purchase price of Product Additional expenses including without limitation service travel time overtime or premium labor charges accessing ...

Page 18: ...stalled and or maintained in accordance with the instruction manual or technical instructions provided by Manitowoc To the extent that warranty exclusions are not permitted under some state laws these exclusions may not apply to you EXCEPT AS STATED IN THE FOLLOWING SENTENCE THIS LIMITED WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY OF MANITOWOC WITH REGARD TO THE PRODUCT ALL IMPLIED WARRANTIES ARE ...

Page 19: ...NTRACT TORT OR ANY OTHER THEORY OF LIABILITY Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you HOW STATE LAW APPLIES This limited warranty gives you specific legal rights and you may also have rights that vary from state to state or from one jurisdiction to another REGISTRATION CARD To secure prompt...

Page 20: ...20 Part Number 80 1479 3 7 10 This Page Intentionally Left Blank ...

Page 21: ... 1 38 bar but must not exceed 80 psi 5 52 bar Condenser Water Inlet Water Pressure must be at least 20 psi 1 38 bar but must not exceed 150 psi 10 34 bar S3300W HP units allow water pressure up to 350 psig 24 13 bar The location must not be near heat generating equipment or in direct sunlight and protected from weather The location must not obstruct air flow through or around the ice machine Refer...

Page 22: ... 5 cm 8 20 3 cm Back 5 12 7 cm 5 12 7 cm S1200 Self Contained Air Cooled Water Cooled and Remote Top 8 20 3 cm 8 20 3 cm Sides 12 30 5 cm 8 20 3 cm Back 5 12 7 cm 5 12 7 cm S1400 S1600 S1800 Self Contained Air Cooled Water Cooled and Remote Top Sides 24 61 0 cm 8 20 3 cm Back 12 30 5 cm 5 12 7 cm There is no minimum clearance required for water cooled or remote ice machines This value is recommend...

Page 23: ...000 16 000 22 000 S1200 19 000 28 000 S1400 19 000 28 000 S1600 21 000 31 000 S1800 24 000 36 000 Energy Efficient Machines S300 5 000 6 000 S420 S450 5 900 6 900 S500 6 100 6 900 S850 13 000 16 000 S1000 17 700 21 000 S1200 20 700 24 500 S1400W 25 000 28 000 S1400A S1400N 23 500 27 000 S1800 31 000 36 000 S3300 45 000 51 000 BTU Hour Because the heat of rejection varies during the ice making cycl...

Page 24: ...95 RL 20 R404A RL 35 R404A RL 50 R404A Line Set Discharge Line Liquid Line RT 1 2 1 27 cm 5 16 79 cm RL 1 2 1 27 cm 3 8 95 cm Air Temperature Around the Condenser Minimum Maximum 20 F 29 C 120 F 49 C Important Manitowoc remote systems are only approved and warranted as a complete new package Warranty on the refrigeration system will be void if a new ice machine head section is connected to pre exi...

Page 25: ...mum length is 100 30 5 m The ice machine compressor must have the proper oil return The receiver is designed to hold a charge sufficient to operate the ice machine in ambient temperatures between 20 F 28 9 C and 120 F 49 C with line set lengths of up to 100 30 5 m Line Set Rise Drop The maximum rise is 35 10 7 m The maximum drop is 15 4 5 m Caution If a li ne set has a rise followed by a drop anot...

Page 26: ... below Multiply by 1 7 to get the calculated rise Example A condenser located 10 feet above the ice machine has a calculated rise of 17 feet 2 Insert the measured drop into the formula below Multiply by 6 6 to get the calculated drop Example A condenser located 10 feet below the ice machine has a calculated drop of 66 feet 3 Insert the measured horizontal distance into the formula below No calcula...

Page 27: ...line set properly shortening will not be necessary When shortening or lengthening is required do so before connecting the line set to the ice machine or the remote condenser This prevents the loss of refrigerant in the ice machine or condenser The quick connect fittings on the line sets are equipped with Schraeder valves Use these valves to recover any vapor charge from the line set When lengtheni...

Page 28: ...fully thread the female fitting to the condenser or ice machine by hand 4 Tighten the couplings with a wrench until they bottom out 5 Turn an additional 1 4 turn to ensure proper brass to brass seating Torque to the following specifications 6 Check all fittings and valve caps for leaks 7 Make sure Schraeder cores are seated and Schraeder caps are on and tight Liquid Line Discharge Line 10 12 ft lb...

Page 29: ...Evaporator Models WATER CURTAIN CONTROL BOX WATER DISTRIBUTION TUBE TOGGLE SWITCH WATER TROUGH REFRIGERATION ACCESS VALVES ICE THICKNESS CONTROL EVAPORATOR WATER LEVEL PROBE WATER PUMP WATER INLET LOCATION THE WATER INLET VALVE IS LOCATED IN THE REFRIGERATION COMPARTMENT ...

Page 30: ...30 Part Number 80 1479 3 7 10 S Model Quad Evaporator Models WATER PUMPS WATER LEVEL PROBE EVAPORATORS WATER TROUGH CONTROL BOX ICE DAMPERS ...

Page 31: ...nitowoc ice machines This Manitowoc Ice Machine has two separate cleaning procedures Cleaning Sanitizing Procedure This procedure must be performed a minimum of once every six months The ice machine and bin must be disassembled cleaned and sanitized All ice produced during the cleaning and sanitizing procedures must be discarded Removes mineral deposits from areas or surfaces that are in direct co...

Page 32: ...or Caution Use on ly Mani towoc app roved Ice Machi ne Cleaner and Sanitize r fo r this application Manitowoc Cleaner part number 94 0546 3 and Manitowoc Sanitizer part number 94 0565 3 It is a violation of Federal law to use these solutions in a man ner inconsistent with the ir la beling Re ad and und erstand a ll l abels prin ted on bo ttles before use Caution Do n ot mi x Clea ner a nd Sa nitiz...

Page 33: ...5 minutes then place the toggle switch in the OFF position and disconnect power to the ice machine and dispenser when used NOTE S3300 Only 80 minutes Step 6 Remove parts for cleaning Please refer to the proper parts removal for your ice machine Single Evaporator Ice Machines page 34 Quad Evaporator Ice Machines page 35 Model Amount of Cleaner S300 S320 S420 3 ounces 90 ml S450 S500 S600 S850 S1000...

Page 34: ...n the top of the ice thickness probe Pivot the ice thickness probe to disengage one pin then the other The ice thickness probe can be cleaned at this point without complete removal If complete removal is desired disconnect the ice thickness control wiring from the control board C Remove the water trough Depress tabs on right and left side of the water trough Allow front of water trough to drop as ...

Page 35: ...ice thickness probe to disengage one pin then the other The ice thickness probe can be cleaned at this point without complete removal If complete removal is desired disconnect the ice thickness control wiring from the control board D Remove the water pump assembly Disconnect the vinyl distribution tube from both water pumps Disconnect the water pump and water level probe electrical connections Rem...

Page 36: ...36 Part Number 80 1479 3 7 10 A B C D E ...

Page 37: ...nts are soaking use 1 2 of the cleaner water solution to clean all foodzone surfaces of the ice machine and bin or dispenser Use a nylon brush or cloth to thoroughly clean the following ice machine areas Side walls Base area above water trough Evaporator plastic parts including top bottom and sides Bin or dispenser Rinse all areas thoroughly with clean water Continued on next page Step 10 Mix a so...

Page 38: ...n or dispenser Use a spray bottle to liberally apply the solution When sanitizing pay particular attention to the following areas Side walls Base area above water trough Evaporator plastic parts including top bottom and sides Bin or dispenser Do not rinse the sanitized areas Step 13 Replace all removed components Step 14 Wait 30 minutes ...

Page 39: ...ine Sanitizer to the water trough by pouring between the water curtain splash shields and evaporator Step 17 Move the toggle switch to the ICE position and replace the front panel The ice machine will automatically start ice making after the sanitize cycle is complete approximately 35 minutes S3300 80 minutes Model Amount of Sanitizer S300 S320 S420 3 ounces 90 ml S450 S500 S600 S850 S1000 S1200 3...

Page 40: ...r cleaning and sanitizing CLEANING PROCEDURE Caution Use o nly Ma nitowoc approved Ice Machine Cleaner and Sanitizer fo r this app lication Manitowoc Cleaner part number 94 0546 3 and Manitowoc Sanitizer part number 94 0565 3 It is a violation of Federal law to use these solutions in a manne r inconsistent wit h thei r la beling Read and u nderstand a ll labels printed on b ottles before use Cauti...

Page 41: ...easiest access for adding cleaning and sanitizing solutions Step 3 Remove all ice from the bin Step 4 Place the toggle switch in the CLEAN position The water will flow through the water dump valve and down the drain Wait until the water trough refills and water flows over the evaporator then add the proper amount of ice machine cleaner Continued on next page Caution Never use anythin g to fo rce i...

Page 42: ...nd disconnect power to the ice machine and dispenser when used NOTE S3300 Only 80 minutes Step 6 Remove parts for cleaning Please refer to the proper parts removal for your ice machine Single Evaporator Ice Machines page 43 Quad Evaporator Ice Machines page 46 Warning Disconnect the electric power to the ice machine at the electric service switch box ...

Page 43: ... disconnect the ice thickness control wiring from the control board C Remove the water distribution tube NOTE Distribution tube thumbscrews are retained to prevent loss Loosen thumbscrews but do not pull thumbscrews out of distribution tube Loosen the two outer screws do not remove screws completely they are retained to prevent loss and pull forward on the distribution tube to release from slip jo...

Page 44: ... straight down on pump assembly until water pump disengages and electrical connector is visible Disconnect the electrical connector Remove the water pump assembly from ice machine Do not soak the water pump motor in cleaner or sanitizer solution G Remove the evaporator tray or water diverter from the bottom of the evaporator Loosen thumbscrew on left side of tray Allow left side of tray to drop as...

Page 45: ...Part Number 80 1479 3 7 10 45 A B C D E F G ...

Page 46: ...cover pull forward to remove D Remove Splash Shields Grasp the top center of splash shields Lift up and then out NOTE Each evaporator has a splash shield that must be removed total of four splash shields E Remove ice thickness probe Compress the hinge pin on the top of the ice thickness probe Pivot the ice thickness probe to disengage one pin then the other The ice thickness probe can be cleaned a...

Page 47: ...t Apply pressure to the front mounting bracket with thumb Pull ice damper downward when the front ice damper pin disengages NOTE Each evaporator has an ice damper that must be removed total of four ice dampers H Remove the water pump assembly Disconnect the vinyl distribution tube from both water pumps Disconnect the water pump and water level probe electrical connections After the wires are disco...

Page 48: ...48 Part Number 80 1479 3 7 10 A A B C D E F G H I ...

Page 49: ...r solution to clean all foodzone surfaces of the ice machine and bin or dispenser Use a nylon brush or cloth to thoroughly clean the following ice machine areas Side walls Base area above water trough Evaporator plastic parts including top bottom and sides Bin or dispenser Rinse all areas thoroughly with clean water Step 10 Mix a solution of sanitizer and warm water Step 11 Use 1 2 of the sanitize...

Page 50: ...d the proper amount of Manitowoc Ice Machine Sanitizer to the water trough by pouring between the water curtain splash shields and evaporator Step 16 The ice machine will stop after the sanitize cycle approximately 35 minutes Place the toggle switch in the OFF position and disconnect power to the ice machine S3300 Only 80 minutes Step 17 Refer to step 6 and disassemble components After dissembling...

Page 51: ...izer water solution to sanitize all foodzone surfaces of the ice machine and bin or dispenser Use a cloth or sponge to liberally apply the solution When sanitizing pay particular attention to the following areas Side walls Base area above water trough Evaporator plastic parts including top bottom and sides Bin or dispenser Do not rinse the sanitized areas Step 21 Install the removed parts restore ...

Page 52: ...ner water solution while disassembling and cleaning water circuit components soak probes for 10 minutes or longer 3 Clean all probe surfaces including all plastic parts do not use abrasives Verify all cavities are clean Thoroughly rinse probes including cavity with clean water then dry completely Incomplete rinsing and drying of the ice thickness probe can cause premature harvest 4 Reinstall probe...

Page 53: ...e is on the water inlet valve must allow the proper water flow through it Set the toggle switch to ON Watch for water flow into the ice machine If the water flow is slow or only trickles into the ice machine refer to water system checklist Follow the procedure below to remove the water inlet valve 1 Remove the 1 4 hex head screws 2 Remove clean and install the filter screen Warning Disconnect the ...

Page 54: ...remove it Instead follow the Ice Machine Cleaning Procedure Follow the procedure below to remove the dump valve 4 If so equipped remove the water dump valve shield from its mounting bracket 5 Leaving the wires attached twist coil and rotate it counter clockwise1 4 turn 6 Lift the coil assembly off the valve body 7 Remove the spring plunger and nylon gasket from the valve body NOTE At this point th...

Page 55: ...ng cleaning do not stretch or damage the spring 1 Remove the tubing from the dump valve by twisting the clamps off 2 Remove the valve body twist off Dump Valve Disassembly SPRING PLUNGER DIAPHRAM VALVE BODY COIL MOUNTING BRACKET NYLON GASKET ...

Page 56: ... ice machine is cleaned 1 Remove check valve and tube assembly A Tip assembly to right until tubing disengages B Lift up on assembly to remove 2 Remove insulation from check valve assembly 3 Remove vinyl tubing from top of check valve 4 Soak in cleaner solution 10 minutes and then flush with water to remove debris CHECK VALVE ASSEMBLY CHECK VALVE ...

Page 57: ...supply 4 Remove the water from the water trough 5 Disconnect and drain the incoming ice making water line at the rear of the ice machine 6 Energize the ice machine and wait one minute for the water inlet valve to open 7 Blow compressed air in both the incoming water and the drain openings in the rear of the ice machine until no more water comes out of the water inlet lines or the drain 8 Make sure...

Page 58: ...ween the bottom spring coils of the water regulating valve Pry upward to open the valve 4 Hold the valve open and blow compressed air through the condenser until no water remains REMOTE ICE MACHINES 1 Move the ICE OFF CLEAN switch to OFF 2 Frontseat shut off the receiver service valve Hang a tag on the switch as a reminder to open the valves before restarting 3 Perform steps 1 6 under Self Contain...

Page 59: ...aporator models energize the harvest valve s and air compressor when used at the end of the water purge and they remain energized during refrigeration startup Energized Control Board Lights Single Evaporators Left Bin green Quad Evaporators All Curtain Switches green Dump Valve red Water Pump red 2 Refrigeration System Start Up The compressor condenser fan motor and water fill valve energize and 5...

Page 60: ... energizes The water fill valve will cycle on and off one more time The freeze cycle continues until the six minute freeze lock expires and enough ice has formed to allow water to contact the ice thickness probe After approximately 10 seconds of continual water contact the harvest sequence is initiated NOTE Freeze lock is bypassed after moving the toggle switch from OFF to ICE position for the fir...

Page 61: ...water pump continues to run and the water dump valve energizes to purge the water in the water trough Single evaporator models energize the water fill valve for the last 15 seconds of the water purge cycle Energized Control Board Lights Single Evaporators Left Bin green Harvest red Quad Evaporators All Curtain Switches green Liquid Solenoid red Dump Valve red Water Pump red Harvest red All Harvest...

Page 62: ...opens the water curtain and bin switch The momentary opening and re closing of the bin switch terminates the harvest sequence and return to the freeze sequence Step 3 4 Quad evaporator models The sliding sheet of cubes opens the ice damper and bin switch The momentary opening and re closing of the bin switch de energized the harvest valve for the evaporator When all of the bin switches have opened...

Page 63: ...for 3 minutes before it can automatically restart The ice machine remains off until enough ice has been removed from the storage bin to allow the ice to fall clear of the water curtain or all of the ice dampers As the water curtain ice dampers swing back to the closed position the bin switch re closes and the ice machine restarts steps 1 2 provided the 3 minute delay period is complete Energized C...

Page 64: ...ck is bypassed after moving the toggle switch from OFF to ICE position for the first cycle only The maximum freeze time is 60 minutes at which time the control board automatically initiates a harvest sequence steps 5 6 The maximum harvest time is 3 5 minutes for single evaporators and 7 minutes for Quad evaporator model The control board automatically initiates a freeze sequence steps 3 4 when the...

Page 65: ... 2 Quad evaporator models If the harvest time reaches 7 minutes the control board automatically returns the ice machine to the freeze cycle If 500 consecutive 7 minute harvest cycles occur the ice machine stops Safety Limit 3 Quad evaporator models If the low refrigerant pressure control opens the ice machine shuts off and starts a 5 minute delay period If 3 consecutive low pressure events occur t...

Page 66: ...harvest light will be flashing continuously and a safety limit indication can be viewed After 60 minutes the ice machine will automatically restart to see if the problem re occurs If the same safety limit is reached a second time three more consecutive long freeze or harvest cycles the ice machine will initiate a safety limit shut down and remain off until it is manually restarted During a safety ...

Page 67: ...e ends The Clean and Harvest LEDs energize to indicate the ice machine is in a warm water rinse The compressor and harvest valve remain energized The water pump energizes The water inlet valve energizes until water contacts the water level probe The compressor and harvest valve warm the water for 5 minutes then de energize The water pump remains energized for an additional 5 minutes 10 minute tota...

Page 68: ...r Length of Time Start Up 1 Water Purge On On 35 sec Off 10 sec On Off On Off Off Off 45 Seconds 2 Refrigeration System Start up Off On Off On Off On On May Cycle On Off 5 Seconds Freeze Sequence 3 Prechill Off Off Off May Cycle On Off during pre chill Off On On May Cycle On Off Initial Start Up is 60 Seconds 30 Seconds thereafter 4 Freeze On Off Off Cycles Off then On one more time Off On On May ...

Page 69: ...f Bin Switch Activation 7 Automatic Shut Off Off Off Off Off Off Off Off Off Until Bin Switch Re closes 3 min delay NOT USED ON ALL MODELS Self Contained Air Water Cooled Single Evaporator Model Energized Parts Chart Continued Ice Making Sequence of Operation Water Pump Harvest Valve s Air Pump s Water Inlet Valve Water Dump Valve Contactor Coil Compressor Condenser Fan Motor Length of Time ...

Page 70: ...oil Compressor Length of Time Start Up 1 Water Purge On Off Off Off On Off Off Initial Start Up is 45 Seconds 30 Seconds thereafter 2 Refrigeration System Start up Off Off Off On Off On On 5 Seconds Freeze Sequence 3 Prechill Off Off Off May Cycle On Off during pre chill Off On On 30 Seconds thereafter 4 Freeze On Off Off CyclesOff then On up to two more times Off On On Unil 10 Sec Water Contact w...

Page 71: ...f On On Bin Switch Activation 7 Automatic Shut Off Off Off Off Off Off Off Off Until Bin Switch Re closes 3 min delay expires Self Contained Water Cooled Quad Evaporator Model Energized Parts Chart Continued Ice Making Sequence of Operation Water Pumps Harvest Valves Air Pumps Water Inlet Valve Water Dump Valves Contactor Coil Compressor Length of Time ...

Page 72: ...p and water dump solenoid are energized for 45 seconds to completely purge the ice machine of old water This feature ensures that the ice making cycle starts with fresh water The harvest valve and harvest pressure regulating HPR solenoid valves also energize during water purge although they stay on for an additional 5 seconds 50 seconds total on time during the initial refrigeration system start u...

Page 73: ...same time as the compressor It remains on until the water level sensor closes for 3 continuous seconds or until a six minute time period has expired The harvest valve and HPR solenoid valves remain on for 5 seconds during initial compressor start up and then shut off The remote condenser fan motor starts at the same time the compressor starts and remains on throughout the entire Freeze and Harvest...

Page 74: ...nto each cube cell where it freezes The water fill valve will cycle on and then off one more time to refill the water trough When sufficient ice has formed the water flow not the ice contacts the ice thickness probe After approximately 10 seconds of continual water contact the harvest sequence is initiated The ice machine cannot initiate a harvest sequence until a 6 minute freeze lock has been sur...

Page 75: ...ent The harvest valve s and HPR solenoid valve also open at the beginning of the water purge Energized Control Board Lights Left Bin green Harvest red 6 Harvest The HPR valve and the harvest valve s remain open and the refrigerant gas warms the evaporator causing the cubes to slide as a sheet off the evaporator and into the storage bin The sliding sheet of cubes swings the water curtain out openin...

Page 76: ...onds the ice machine shuts off The ice machine remains off for 3 minutes before it can automatically restart The ice machine remains off until enough ice has been removed from the storage bin to allow the ice to drop clear of the water curtain As the water curtain swings back to the operating position the bin switch re closes and the ice machine restarts steps 1 2 provided the 3 minute delay perio...

Page 77: ...ne Solenoid Compressor Condenser Fan Motor Length of Time Initial Start Up 1 Water Purge On On On 35sec Off 10sec On Off On Off Off Off 45 Seconds 2 Refrigeration System Start up Off On On On On Off On On On 5 Seconds Freeze Sequence 3 Prechill Off Off Off Off May Cycle On Off during pre chill Off On On On Initial Start Up is 60 Seconds 30 Seconds thereafter 4 Freeze On Off Off Off Cycles Off Then...

Page 78: ...7 Automatic Shut Off Off Off Off Off Off Off Off Off Off Until Bin Switch Re closes 3 min delay Remote Air Cooled Single Evaporator Model Energized Parts Chart Continued Ice Making Sequence of Operation Water Pump Harvest Valve Left HPR Valve Harvest Valve Right When Used Air Comp When Used Water Inlet Valve Water Dump Valve Contactor Coil Liquid Line Solenoid Compressor Condenser Fan Motor Length...

Page 79: ...Part Number 80 1479 3 7 10 79 This Page Intentionally Left Blank ...

Page 80: ...80 Part Number 80 1479 3 7 10 This Page Intentionally Left Blank ...

Page 81: ...ice machine varies for each safety limit Safety Limit 1 all models If the freeze time reaches 60 minutes the control board automatically initiates a harvest cycle If 6 consecutive 60 minute freeze cycles occur the ice machine stops Safety Limit 2 single evaporator models If the harvest time reaches 3 5 minutes the control board automatically returns the ice machine to the freeze cycle If 500consec...

Page 82: ...tinues to run Use the following procedure to determine if the control board contains a safety limit indication 1 Move the toggle switch to OFF 2 Move the toggle switch back to ICE 3 Watch the harvest light It will flash one or two times corresponding to safety limits 1 and 2 to indicate which safety limit stopped the ice machine When a safety limit condition is exceeded 6 consecutive cycles for sa...

Page 83: ...ht will be flashing continuously and a safety limit indication can be viewed After 60 minutes the ice machine will automatically restart to see if the problem re occurs If the same safety limit is reached a second time three more consecutive long freeze or harvest cycles the ice machine will initiate a safety limit shut down and remain off until it is manually restarted During a safety limit shut ...

Page 84: ...to stop the ice machine prior to major component failures most often a minor problem or something external to the ice machine This may be difficult to diagnose as many external problems occur intermittently Example An ice machine stops intermittently on safety limit 1 long freeze times The problem could be a low ambient temperature at night a water pressure drop the water is turned off one night a...

Page 85: ...ver evaporator 5 Water pump not pumping Electrical System 1 Improper voltage low 2 Ice thickness probe adjustment too thick 3 Water level probe open dirty 4 Water inlet valve failure 5 Contactor failure 6 Compressor failure start component failure page 146 Refrigeration System 1 Dirty condenser 2 Low on Refrigerant 3 Starving TXV 4 Head Pressure Control Valve stuck in Bypass 5 Harvest valve leakin...

Page 86: ...probe adjustment too close 2 Bin switch failed closed 3 Harvest valve not energizing 4 Quad Evaporator Only Harvest pressure solenoid valve not energizing Refrigeration System 1 Non Manitowoc components 2 Incorrect refrigerant charge 3 TXV flooding 4 Defective harvest valve 5 Defective fan cycle control will not open page 167 6 Defective Head Pressure Control Valve will not bypass page 164 7 Quad ...

Page 87: ...the drain during freeze dump valve or water tracking into condensate tray 3 Water tracking into bin 4 Uneven water flow over evaporator 5 Water pump not pumping Electrical System 1 Water level probe prematurely statisfied 2 Water inlet valve failure 3 Water pump failure Refrigeration System 1 Low on Refrigerant 2 Starving TXV ...

Page 88: ...ctory default settings C Calibration is cleared for ice thickness water level probe 4 The control board relays close at 1 second intervals and energize the corresponding control board light 5 The relays remain closed and the lights remain energized for 3 5 minutes to allow time to test voltage at components 6 After 3 5 minutes the ice machine automatically exits the test cycle 7 An ice making cycl...

Page 89: ...the ICE position or Has a History of Shutting Down Refer to Ice Machine Stops Running Flow Chart page 90 SYMPTOM 2 Ice Machine has a Long Freeze Cycle Ice Formation is Thick or Thin Ice Fill on Top or Bottom of Evaporator or Low Production Safety Limit 1 possible Refer to Freeze Cycle Refrigeration System Operational Analysis Table page 105 SYMPTOM 3 Ice Machine Will Not Harvest Freeze Cycle is No...

Page 90: ...ine Stops Running or Has a History of Shutting Down YES YES NO NO YES NO Control board has energized lights Does ice machine run in CLEAN Does the ice machine start when toggle switch is moved to ICE Refer to Diagnosing an Ice Machine that Will Not Run Continued on Next Page ...

Page 91: ...n Switch Diagnostics Are Water Curtain Ice Damper magnets attached Install Water Curtain Ice Dampers Replace the Water Curtain Ice Dampers SL2 Harvest twice Harvest 3 times Which light flashed immediately after resetting the toggle switch Refer to Safety Limit 1 Long Freeze Cycle Refer to Safety Limit 2 Long Harvest Cycle Refer to Safety Limit 3 Low Pressure ...

Page 92: ... from the compressor terminals 2 The resistance values between C and S and between C and R when added together should equal the resistance value between S and R 3 If the overload is open there will be a resistance reading between S and R and open readings between C and S and between C and R Allow the compressor to cool then check the readings again THREE PHASE COMPRESSORS 1 Disconnect power and re...

Page 93: ...raw while the compressor is trying to start The two likely causes of this are a defective starting component and a mechanically seized compressor To determine which you have 1 Install high and low side gauges 2 Try to start the compressor 3 Watch the pressures closely A If the pressures donot move the compressor is seized Replace the compressor B If the pressures move the compressor is turning slo...

Page 94: ...lists and other references to eliminate refrigeration components not listed on the tables and external items and problems which can cause good refrigeration components to appear defective The tables list five different defects that may affect the ice machine s operation NOTE A low on charge ice machine and a starving expansion valve have very similar characteristics and are listed under the same c...

Page 95: ...found it is not necessary to complete the remaining procedures Step 2 Enter check marks Each time the actual findings of an item in the Operational Analysis column matches the published findings on the table enter a check mark Example Freeze cycle suction pressure is determined to be low Enter a check mark in the low column Step 3 Add the check marks listed under each of the four columns Note the ...

Page 96: ...water related problems must be corrected before proceeding with chart Ice Formation Pattern Ice formation is extremely thin on outlet of evaporator or No ice formation on the entire evaporator Ice formation is extremely thin onoutlet of evaporator or No ice formation on entire evaporator Ice formation normal or Ice formation is extremely thin on inletof evaporator or No ice formation on entire eva...

Page 97: ...re is High Suction pressure is High Wait 5 minutes into the freeze cycle Compare temperatures of evaporator inlet and evaporator outlet Inlet _____________ F C Outlet ___________ F C Difference________ F C Inlet and outlet within 7 F 4 C of each other Inlet and outlet not within 7 F 4 C of each other and Inlet is colder than outlet Inlet and outlet within 7 F 4 C of each other or Inlet and outlet ...

Page 98: ...rge line temp 150 F 65 C or higher at the end of the freeze cycle S850 S1000 Air Water Only Discharge line temp 140 F 60 C or higher at the end of the freeze cycle Discharge line temp 150 F 65 C or higher at the end of the freeze cycle S850 S1000 Air Water Only Discharge line temp 140 F 60 C or higher at the end of the freeze cycle Discharge line temp less than 150 F 65 C at the end of the freeze ...

Page 99: ... proceeding with table Ice Formation Pattern Left Side_______________ Right Side______________ Ice formation is extremely thin on outlet of evaporator or No ice formation on the one side of evaporator Ice formation is extremely thin on outlet of one side of evaporator or No ice formation on entire evaporator Ice formation normal or Ice formation is extremely thin at inlet of one side of evaporator...

Page 100: ...ure is High Wait 5 minutes into the freeze cycle Compare temperatures of compressor discharge line and both harvest valve inlets The harvest valve inlet is Hot and approaches the temperature of a Hot compressor discharge line The harvest valve inlet is Cool enough to hold hand on and the compressor discharge line is Hot The harvest valve inlet is Cool enough to hold hand on and the compressor disc...

Page 101: ...cle Discharge line temp 150 F 65 C or higher at the end of the freeze cycle Discharge line temp less than 150 F 65 C at the end of the freeze cycle Discharge line temp 150 F 65 C or higher at the end of the freeze cycle Final Analysis Enter total number of boxes checked in each column Harvest Valve Leaking Low On Charge Or TXV Starving TXV Flooding Compressor S MODELS DUAL EXPANSION VALVE Operatio...

Page 102: ...related problems must be corrected before proceeding with chart Ice Formation Pattern Evaporators are numbered left to right viewed from the front of the ice machine Evaporator 1______________ Evaporator 2______________ Evaporator 3______________ Evaporator 4______________ Ice formation is normal Ice formation is extremely thin on outlet of 1 or more evaporators or No ice formation on entire evapo...

Page 103: ...s not listed on this table before proceeding Suction pressure is High Suction pressure is Normal or Low Suction pressure is Normal or High Suction pressure is High Suction pressure is High Evaporator Outlet Temperature Comparison Attach and insulate temperature probes between evaporator outlet and 90 elbow Evaporator outlet temperatures are within 10 F of each other Evaporator outlet temperatures ...

Page 104: ...e is Cool enough to hold hand on Discharge Line Temperature Record freeze cycle discharge line temperature at the end of the freeze cycle _________ F C Discharge line temperature 150 F 65 C or higher at the end of the freeze cycle Discharge line temperature 150 F 65 C or higher at the end of the freeze cycle Discharge line temperature less than 150 F 65 C at the end of the freeze cycle or Compress...

Page 105: ...eing serviced but malfunctions later Information provided by the user can help the technician start in the right direction and may be a determining factor in the final diagnosis Ask these questions before beginning service When does the ice machine malfunction night day all the time only during the Freeze cycle etc When do you notice low ice production one day a week every day on weekends etc Can ...

Page 106: ... entering sump trough ____ 2 Refer to the appropriate 24 Hour Ice Production Chart starting on page 191 Use the operating conditions determined in step 1 to find published 24 Hour Ice Production _____ Times are in minutes Example 1 min 15 sec converts to 1 25 min 15 seconds 60 seconds 25 minutes Weights are in pounds Example 2 lb 6 oz converts to 2 375 lb 6 oz 16 oz 375 lb 3 Perform an ice product...

Page 107: ...tion Charts may be used 4 Compare the results of step 3 with step 2 Ice production checks that are within 10 of the chart are considered normal If they match closely determine if Another ice machine is required More storage capacity is required Relocating the existing equipment to lower the load conditions is required Contact the local Manitowoc Distributor for information on available options and...

Page 108: ...e machine is not level Level the ice machine Condenser is dirty Clean the condenser Water filtration is plugged if used Install a new water filter Water drains are not run separately and or are not vented Run and vent drains according to the Installation Manual Line set is improperly installed Reinstall according to the Installation Manual ...

Page 109: ...35 F 2 C and 90 F 32 C If too hot check the hot water line check valves in other store equipment Water filtration is plugged if used Install a new water filter Water dump valve leaking during the Freeze cycle Clean replace dump valve as needed Vent tube is not installed on water outlet drain See Installation Instructions Hoses fittings etc are leaking water Repair replace as needed Water fill valv...

Page 110: ...than on the outlet At the end of the Freeze cycle ice formation at the outlet will be close to or just a bit thinner than ice formation at the inlet The dimples in the cubes at the outlet of the evaporator may be more pronounced than those on the inlet This is normal It is normal for ice thickness to vary up to 1 16 across the surface of the evaporator The ice bridge thickness at the ice thickness...

Page 111: ...reaches 1 8 in to initiate a harvest but the inlet of the evaporator already has 1 2 in to 1 in of ice formation 3 Extremely Thin at Evaporator Inlet There is no ice or a considerable lack of ice formation at the inlet of the evaporator Examples The ice at the outlet of the evaporator reaches 1 8 in to initiate a harvest but there is no ice formation at all on the inlet of the evaporator 4 No Ice ...

Page 112: ...ge pressures Freeze Cycle______ Harvest Cycle______ 3 Perform an actual discharge pressure check 4 Compare the actual discharge pressure step 3 with the published discharge pressure step 2 The discharge pressure is normal when the actual pressure falls within the published pressure range for the ice machine s operating conditions It is normal for the discharge pressure to be higher at the beginnin...

Page 113: ...denser discharge air recirculation Defective fan cycling control page 167 Defective fan motor Defective head pressure control valve Remotes page 164 Water Condenser Low water pressure 20 psig 138 kPa min High inlet water temperature 90 F 32 C max Dirty condenser Dirty Defective water regulating valve Water regulating valve out of adjustment Other Overcharged Non condensable air in system Wrong typ...

Page 114: ...ction Checklist page 108 Air Cooled Condensers Defective head pressure control valve won t bypass page 164 Defective fan cycle control stuck closed page 167 Water Cooled Condensers Water Regulating Valve out of adjustment Water Regulating Valve Defective Other Undercharged Wrong type of refrigerant Non Manitowoc components in system ...

Page 115: ...e published Freeze cycle time NOTE Analyze discharge pressure before analyzing suction pressure High or low discharge pressure may be causing high or low suction pressure Procedure Step 1 Determine the ice machine operating conditions Temperature of air entering the condenser Look up and determine the published suction pressure 2 Perform an actual suction pressure check at the beginning middle and...

Page 116: ... refer to Freeze Cycle Discharge Pressure High Checklist page 113 Improper Refrigerant Charge Overcharged also see Freeze Cycle Discharge Pressure High Checklist page 113 Wrong type of refrigerant Components Harvest valve leaking continue the table Harvest pressure solenoid valve leaking continue the table TXV flooding continue the table Defective compressor continue the table Other Non Manitowoc ...

Page 117: ...fecting low side refer to Freeze Cycle Discharge Pressure High Checklist page 113 Improper Refrigerant Charge Undercharged Wrong type of refrigerant Other Non Manitowoc components in system Improper water supply over evaporator refer to Water System Checklist page 109 Restricted plugged liquid line drier Restricted plugged tubing in suction side of refrigeration system TXV starving continue the ta...

Page 118: ... the normal inlet and outlet temperature readings difficult The key to the diagnosis lies in the difference between the two temperatures five minutes into the freeze cycle These temperatures should be within 7 of each other Use this procedure to document freeze cycle inlet and outlet temperatures 1 Use a quality temperature meter capable of taking temperature readings on curved copper lines 2 Atta...

Page 119: ...eze cycle temperatures vary with ambient and water temperature but the temperatures of all evaporators will always be within 10 degrees of each other in a correctly operating ice machine Use this procedure to document freeze cycle inlet and outlet temperatures 1 Use a quality temperature meter capable of taking temperature readings on curved copper lines 2 Attach the temperature meter sensing devi...

Page 120: ...n during the freeze cycle 1 Wait five minutes into the freeze cycle 2 Feel the inlet of the harvest valve s 3 Feel the compressor discharge line 4 Compare the temperature of the inlet of the harvest valves to the temperature of the compressor discharge line Important Feeling the harvest val ve ou tlet or a cross the harvest valve it self will not work for th is comparison The ha rvest valve outlet...

Page 121: ...st valve is hot and approaches the temperature of a hot compressor discharge line Hot Hot This is an indication something is wrong as the harvest valve inlet did not cool down during the freeze cycle If the compressor dome is also entirely hot the problem is not a harvest valve leaking but rather something causing the compressor and the entire ice machine to get hot Both the inlet of the harvest v...

Page 122: ...d or lower supply water temperature lower discharge line temperatures at the compressor Regardless of ambient and water temperatures the freeze cycle discharge line temperature will be higher than 150 F 66 C S850 S1000 Air Water Machines Only 140 F 60 C at the end of the freeze cycle PROCEDURE Connect a temperature probe on the compressor discharge line with in 6 of the compressor and insulate Obs...

Page 123: ...g clean or replace valve Discharge pressure extremely high Liquid line entering receiver feels hot Water regulating valve incorrectly set or not opening Verify Head Pressure Control Valve operation before changing water regulating valve Discharge pressure low Liquid line entering receiver feels warm to hot Ice machine low on charge Verify Total System Refrigerant Charge page 187 ...

Page 124: ...d only Do not add more than 30 of nameplate refrigerant charge If the problem is corrected the ice machine is low on charge Do not add charge to remotes The symptoms of a remote low on charge will result in a safety limit 1 in cool ambient temperatures Check the liquid line temperature at the ice machine The liquid line will be hot with a normal or below normal head pressure in freeze when the ice...

Page 125: ...b mounting insulation etc before changing the valve On dual expansion valve machines change both valves COLUMN 4 COMPRESSOR Replace the compressor To receive warranty credit the compressor ports must be properly sealed by crimping and soldering them closed COLUMN 5 HARVEST PRESSURE VALVE LEAKING 4 EVAPORATOR MODELS ONLY Replace the valve as required ...

Page 126: ...on the evaporator preventing the ice slab from releasing Follow the appropriate flow chart in Troubleshooting to determine the cause of the problem A manual cleaning procedure must always be performed when this problem is encountered Normal sheet of cubes at the end of the harvest cycle Ice is difficult to remove from the evaporator by hand Once removed the back of the cubes are square and show no...

Page 127: ... long harvest cycle Possible SL 2 Back of cubes are not melted Discharge line temperature is normal at the end of the freeze cycle S850 S1000 A W 140F 60C All other S Models 150F 65C Refer to Symptom 2 Freeze Cycle Operational Analysis Table Is harvest valve energized Refer to Sequence of Operation Wiring Diagrams Is head pressure high suction pressure low in harvest Refer to Pressure Charts Repla...

Page 128: ...eeze cycle Fan cycling control opens below setpoint in harvest cycle Replace Fan Cycling Control Maintains correct pressure in freeze cycle Stops water flow 100 in harvest cycle Adjust or Replace Water Regulating Valve Traditional Remote Air cooled Condenser Are you sure Discharge line temperature is normal Repeat this flowchart verify all data Refer to Symptom 3 Traditional Remotes Only Chart ...

Page 129: ...tes normally above 70F 21C YES YES YES NO Liquid Line Temperature Cool NO Liquid Line Temperature Hot Liquid Line Temperature Warm body temperature Wet condenser with water during freeze cycle Replace Headmaster System low on refrigerant Normal ice fill long harvest cycle possible SL 2 back of cubes are not melted at the end of harvest cycle Discharge line temperature is normal at the end of the f...

Page 130: ...harvest Is head pressure normal suction pressure normal in harvest Refer to Harvest Pressure Regulating Valve Diagnostics Repeat this flowchart verify all data Refer to Symptom 4 Will Not Harvest Freeze Cycle Normal Ice Cubes are Melted Flowchart Single Evaporator Systems with Dual Harvest Valves If one Harvest Vavle is open and the other is restricted stuck closed you may have normal harvest pres...

Page 131: ...t 45 seconds of harvest Is Ice Machine level Are back of the cubes melted at end of harvest cycle Does ice remain frozen to the evaporator at the end of the harvest cycle YES YES YES YES NO NO NO NO Ice Machine Will Not Harvest Freeze Cycle is Normal and Ice Cubes are Melted After Harvest Continued on Next Page Refer to Symptom 2 Freeze Cycle Operational Analysis Table ...

Page 132: ...ysis Table Refer to Heavily Scaled Cleaning Procedure Discharge line temperature is normal at the end of the freeze cycle S850 S1000 A W 140F 60C All other S Models 150F 65C Refer to Manual Cleaning Procedure Is the evaporator dirty Dry evaporator first then check YES YES NO NO NO ...

Page 133: ...Part Number 80 1479 3 7 10 133 This Page Intentionally Left Blank ...

Page 134: ...134 Part Number 80 1479 3 7 10 This Page Intentionally Left Blank ...

Page 135: ...with the water curtain ice dampers closed the fuse is good 2 Remove the fuse Check for continuity across the fuse with an ohmmeter Warning High line vo ltage is a pplied to the con trol b oard terminals 55 an d 56 at all times Re moving the control bo ard fuse or movin g the toggle switch to OFF wi ll no t re move the po wer sup plied to the control board Warning Disconnect e lectrical p ower to t...

Page 136: ...meter be used to check toggle switch operation 1 Inspect the toggle switch for correct wiring 2 Isolate the toggle switch by disconnecting the Molex connector 3 Check continuity across the toggle switch terminals Note where the wire numbers are connected to the switch terminals or refer to the wiring diagram to take proper readings 4 Replace the toggle switch if continuity readings do not match al...

Page 137: ... machine remains off until enough ice is removed from the storage bin to allow the sheet of cubes to drop clear of the water curtain ice dampers As the water curtain ice dampers swing back to the operating position the bin switch closes and the ice machine restarts provide the 3 minute delay has expired SPECIFICATIONS The bin switch is a magnetically operated reed switch The magnet is attached to ...

Page 138: ...are affected by your test lead connection and VOM battery strength Verify you have solid connections and a correctly functioning VOM before testing bin switch Open the curtain ice dampers for 3 seconds then close the curtain ice dampers for 3 seconds This will allow your VOM display to settle With the bin switch closed your meter reading should be 0 0 to 10 is acceptable With the curtain ice dampe...

Page 139: ...electrical control sequence If the ice machine goes into Harvest sequence while the water curtain is removed one of the following will happen Water curtain remains off When the Harvest cycle time reaches 3 5 minutes and the bin switch is not closed the ice machine stops as though the bin were full Water curtain is put back on If the bin switch closes prior to reaching the 3 5 minute point the ice ...

Page 140: ...of cleaner water solution while disassembling and cleaning water circuit components soak probes for 10 minutes or longer 3 Clean all probe surfaces including all plastic parts do not use abrasives Verify all cavities are clean Thoroughly rinse probes including cavity with clean water then dry completely Incomplete rinsing and drying of the ice thickness probe can cause premature harvest Reinstall ...

Page 141: ...be input the control board automatically shuts off the water inlet valve if it remains on for 12 continuous minutes This is important to remember when performing diagnostic procedures on the water level control circuitry FREEZE CYCLE CIRCUITRY Manitowoc s electronic sensing circuit does not rely on float switches or timers to maintain consistent water level control During the Freeze cycle the wate...

Page 142: ...n connect a jumper from the control board terminal and any cabinet ground refer to chart on the next page Important This rest art must be d one p rior to performing diagnostic procedures This assures the ice machine is not in a Freeze cycle water inlet valve safety shut off mode Y ou must comple te the entire dia gnostic procedure within 6 minutes of starting Important For the test to work properl...

Page 143: ...ater Flowing into the Water Trough The Water Level Light Is The Water Inlet Valve Solenoid Coil Is Cause No On De energized The water level probe is causing the problem Ohm then clean or replace the water level probe Yes Off Energized The control board is causing the problem Yes On De energized The water fill valve is causing the problem ...

Page 144: ...EAN toggle switch to OFF then back to ICE Step 2 Wait until the freeze cycle starts approximately 45 seconds the freeze cycle starts when the compressor energizes Important This rest art must be d one p rior to performing diagnostic procedures This assures the ice machine is not in a freeze cycle wate r inlet valve safety shut off mode You must complete the entire di agnostics within 6 minutes of ...

Page 145: ...water le vel pro be rest art the ice machine step 1 and th en d isconnect the water level probe after the compressor starts Step 3 Disconnect Probe from Control Board Is Water Flowing into the Water Trough The Water Level Light Is The Water Inlet Valve Solenoid Coil Is Cause Yes Off Energized The water level probe is causing the problem Clean or replace the water level probe No Off Energized The w...

Page 146: ...licker as water splashes on the probe FREEZE TIME LOCK IN FEATURE The ice machine control system incorporates a freeze time lock in feature This prevents the ice machine from short cycling in and out of harvest The control board locks the ice machine in the freeze cycle for six minutes If water contacts the ice thickness probe during these six minutes the ice probe or harvest light will come on to...

Page 147: ...t of the water trough 1 Inspect the bridge connecting the cubes It should be about 1 8 in 32 mm thick 2 If adjustment is necessary turn the ice thickness probe adjustment screw clockwise to increase bridge thickness or counterclockwise to decrease bridge thickness Set a 1 4 gap between the ice thickness probe and evaporator as a starting point Then adjust to achieve 1 8 ice thickness NOTE The star...

Page 148: ...om the control board to any cabinet ground and monitor the ice probe light Ice Probe Light On The ice probe light comes on and 10 seconds later the ice machine cycles from Freeze to Harvest The ice thickness probe is causing the malfunction The ice probe light comes on but the ice machine stays in the Freeze sequence The control board is causing the malfunction Ice Probe Light Off The ice probe li...

Page 149: ...rol board Step 3 Wait until water starts to flow over the evaporator then monitor the ice probe light Ice Probe Light Off The ice probe light stays off and the ice machine remains in the Freeze sequence The ice thickness probe is causing the malfunction Verify that the ice thickness probe is adjusted correctly and clean Ice Probe Light On The ice probe light comes on and 10 seconds later the ice m...

Page 150: ...water inlet valve energizes and de energizes strictly by time The harvest water purge may be set at 45 seconds top and center terminals or 0 seconds center and bottom terminals Set the harvest water purge to 0 seconds when reverse osmosis or deionized water is used Use the factory setting of 45 seconds for all other types of water 0 Second Jumper Position 45 Second Jumper Position ...

Page 151: ...n the sequence of operation 2 If the compressor is not running when it should be check voltage at the control board 3 If there is no voltage present at the control board replace the control board 4 If there is voltage present at the control board check for voltage at the air pump connector 5 If there is no voltage present at the air pump connector replace wire 6 If there is voltage at the air pump...

Page 152: ... from the compressor terminals 2 The resistance values between C and S and between C and R when added together should equal the resistance value between S and R 3 If the overload is open there will be a resistance reading between S and R and open readings between C and S and between C and R Allow the compressor to cool then check the readings again THREE PHASE COMPRESSORS 1 Disconnect power and re...

Page 153: ...raw while the compressor is trying to start The two likely causes of this are a defective starting component and a mechanically seized compressor To determine which you have 1 Install high and low side gauges 2 Try to start the compressor 3 Watch the pressures closely A If the pressures donot move the compressor is seized Replace the compressor B If the pressures move the compressor is turning slo...

Page 154: ...capacitor Use a capacitor tester when checking a suspect capacitor Clip the bleed resistor off the capacitor terminals before testing If the compressor attempts to start or hums and trips the overload protector check the starting components before replacing the compressor Visual evidence of capacitor failure can include a bulged terminal end or a ruptured membrane Do not assume a capacitor is good...

Page 155: ...e generated by the start winding and opens the contacts as the compressor motor starts The contacts remain open until the compressor is de energized RELAY OPERATION CHECK 1 Disconnect wires from relay terminals 2 Verify the contacts are closed Measure the resistance between terminals 1 and 2 No continuity indicates open contacts Replace the relay 3 Check the relay coil Measure the resistance betwe...

Page 156: ...t be cooled before attempting to start the compressor otherwise the PTCR will heat up too quickly and stop current flow through the start winding before the compressor motor reaches full speed NOTE If a PTCR is dropped internal damage can occur to the ceramic PTCR discs The ceramic disc can chip and cause arcing which leads to PTCR failure Since there is no way to open the PTCR in order to determi...

Page 157: ...compressor is running This is normal Do not change a PTCR just because it is hot 2 Wait at least 10 minutes for the PTCR to cool to room temperature 3 Remove the PTCR from the ice machine 4 Measure the resistance of the PTCR as shown The resistance reading must be between S600 S850 S1000 18 to 40 ohms S1200 S1400 S1600 S1800 8 to 22 ohms S1200 S1400 S1600 S1800 S600 S850 S1000 ...

Page 158: ...et On self contained air cooled and remote models disconnect the fan motor 5 Set ICE OFF CLEAN switch to ICE 6 No water or air flowing through the condenser will cause the HPCO control to open because of excessive pressure Watch the pressure gauge and record the cut out pressure Replace the HPCO control if it 7 Will not reset below 300 psig 2068 kPa 20 68 bar 8 Does not open at the specified cut o...

Page 159: ... grounded and fan spins freely 2 Connect manifold gauges to ice machine 3 Hook voltmeter in parallel across the fan cycle control leaving wires attached 4 Refer to chart below Specifications Model Cut In Close Cut Out Open S300 S320 S420 S450 S500 S600 S850 250 5 1723 kPa 34 17 23 bar 34 200 5 1517 kPa 34 15 17 bar 34 S1000 S1200 S1400 S1600 S1800 275 psig 5 1896 kPa 34 18 96 bar 34 225 psig 5 155...

Page 160: ... 164 before replacing valve 4 Determine the temperature of the liquid line entering the receiver by feeling it This line is normally warm body temperature 5 Using the information gathered refer to the list for diagnosis Problem Freeze Cycle Valve not maintaining discharge pressure Valve incorrectly set dirty or defective Adjust valve to 240 psig clean or replace valve Discharge pressure extremely ...

Page 161: ...ly operated valve which opens when energized and closes when de energized Harvest pressure regulating valve H P R valve This is a pressure regulating valve which modulates open and closed based on the refrigerant pressure at the outlet of the valve The valve closes completely and stops refrigerant flow when the pressure at the outlet rises above the valve setting INLET OUTLET FLOW HPR SOLENOID SV3...

Page 162: ...ing the suction pressure high enough to sustain heat for the harvest cycle without allowing refrigerant to condense to liquid in the evaporator In general harvest cycle suction pressure rises then stabilizes in the range of 70 100 psig 517 758 kPA Exact pressures vary from model to model Refer to the Operational Refrigerant Pressures charts page 191 HPR DIAGNOSTICS Steps 1 through 4 can be quickly...

Page 163: ... discharge pressure and freeze harvest cycle times Refer to Freeze Cycle Refrigeration System Operational Analysis Tables for data collection detail page 92 5 Discharge line temperature is greater than 150 F 66 C S850 S1000 Air Water Only 140 F 60 C at the end ofthe freeze cycle See Discharge Line Temperature Analysis on page 122 6 Freeze cycle Head Pressure 220 psig 1517 kPa 15 17 bar or higher I...

Page 164: ... port and opens the bypass port from the compressor discharge line In this modulating mode the valve maintains minimum head pressure by building up liquid in the condenser and bypassing discharge gas directly to the receiver DIAGNOSING 1 Determine if the coil is clean Air passes through the condenser from the bottom up Verify the coil is clean by looking from the bottom up Do not look down through...

Page 165: ...ure control valve fails to bypass and the ice machine malfunctions Lower ambient conditions can be simulated by rinsing the condenser with cool water during the freeze cycle Condition Probable Cause Corrective Measure Discharge Pressure High Liquid Line Temperature Hot Valve stuck in bypass Replace valve Discharge Pressure Low Liquid Line Temperature Cold Valve not bypassing Replace valve Discharg...

Page 166: ...rains or the outside temperature drops When it rains or the outside temperature drops the fan begins to cycle on and off At first everythingappears normal But as it continues raining or getting colder the fan cycle control can only turn the fan off All the refrigerant mustcontinue to flow through the condenser coil being cooled by the rain or low outside temperature This causes excessive sub cooli...

Page 167: ...elow setpoint The LPCO control is closed at pressures above setpoint and opens at pressures below setpoint CHECK PROCEDURE 1 Connect manifold gauges at suction and discharge access valves and verify refrigerant pressure exceeds LPCO cut in 2 Isolate LPCO electrical leads connect a multimeter and read resistance Open Replace Switch Closed Switch OK Specifications Cut Out Cut In 12 psig 3 35 psig 3 ...

Page 168: ... CHECK PROCEDURE 1 Reset the ice machine with the toggle switch to over ride the 6 minute freeze lock 2 Initiate a premature harvest by grounding the ice thickness probe 3 Verify the coil has line voltage supplied in the harvest cycle and magnetism is present 4 If voltage and magnetism are present Refer to S Model Quad evaporator operational analysis chart page 99 ...

Page 169: ...s and regulations Make these connections Suction side of the compressor through the suction service valve Discharge side of the compressor through the discharge service valve Important Manitowoc assumes no responsibility for the use o f contaminated refrigerant Damage resulting from the use of cont aminated refri gerant i s the so le responsibility of the servicing company Important Replace the l ...

Page 170: ...d gauges 4 Perform recovery or evacuation A Recovery Operate the recovery unit as directed by the manufacturer s instructions B Evacuation prior to recharging Pull the system down to 500 microns Then allow the pump to run for an additional half hour Turn off the pump and perform a standing vacuum leak check 5 Follow the Charging Procedures MANIFOLD SET OPEN BACKSEATED VACUUM PUMP RECOVERY UNIT CLO...

Page 171: ... position Important The ch arge is critical on all Mani towoc ice machines Use a scale to ensure the prop er charge is installed MANIFOLD SET CLOSED FRONTSEATED SCALE VACUUM PUMP RECOVERY UNIT OPEN CLOSED LOW SIDE SERVICE VALVE HIGH SIDE SERVICE VALVE BACKSEATED OPEN REFRIGERANT CYLINDER CHARGING CONNECTIONS ...

Page 172: ... valve if necessary NOTE Manifold gauges must be removed properly to ensure that no refrigerant contamination or loss occurs 8 Make sure that all of the vapor in the charging hoses is drawn into the ice machine before disconnecting the charging hoses A Run the ice machine in freeze cycle B Close the high side service valve at the ice machine C Open the low side service valve at the ice machine D O...

Page 173: ...ne quick connect fitting located on the outside of the compressor evaporator compartment This connection evacuates the condenser Without it the magnetic check valves would close when the pressure drops during evacuation preventing complete evacuation of the condenser Important Manitowoc Ice Inc assumes no responsibility for the use of contaminated refrigera nt Damag e resulting from the use o f co...

Page 174: ...t or two stage vacuum pump 3 Open backseat the high and low side ice machine service valves 4 Open the receiver service valve halfway 5 Open high and low side on the manifold gauge set 6 Perform recovery or evacuation A Recovery Operate the recovery unit as directed by the manufacturer s instructions B Evacuation prior to recharging Pull the system down to 500 microns Then allow the pump to run fo...

Page 175: ...Part Number 80 1479 3 7 10 175 REMOTE RECOVERY EVACUATION CONNECTIONS ...

Page 176: ...fully charged 5 Ensure all vapor in charging hoses is drawn into the machine then disconnect the manifold gauges NOTE Backseat the receiver outlet service valve after charging is complete and before operating the ice machine If the access valve core removal and installation tool is used on the discharge quick connect fitting reinstall the Schraeder valve core before disconnecting the access tool a...

Page 177: ...CUUM PUMP SERVICE VALVE 1 2 OPEN RECEIVER MANIFOLD SET OPEN DRIER SOLENOID LINE VALVE REGULATING PRESSURE HARVEST LIQUID BACKSEATED SERVICE VALVE CHECK VALVE TEE OPEN C B R HIGH SIDE BACKSEATED SERVICE VALVE LOW SIDE COMPRESSOR HARVEST PRESSURE SOLENOID VALVE VALVE EXPANSION VALVE CHECK STRAINER VALVES SOLENOID HEAT EXCHANGER EVAPORATOR REMOTE CHARGING CONNECTIONS ...

Page 178: ...nostic tool These devices sample refrigerant eliminating the need to take an oil sample Follow the manufacturer s directions If a refrigerant test kit indicates harmful levels of contamination or if a test kit is not available inspect the compressor oil 1 Remove the refrigerant charge from the ice machine 2 Remove the compressor from the system 3 Check the odor and appearance of the oil 4 Inspect ...

Page 179: ...shows contamination Leak in water cooled condenser No burnout deposits in open compressor lines Mild contamination cleanup procedure Mild Compressor Burnout symptoms Oil appears clean but smells acrid Refrigeration test kit or acid oil test shows harmful acid content No burnout deposits in open compressor lines Mild contamination cleanup procedure Severe Compressor Burnout symptoms Oil is discolor...

Page 180: ...icrons Break the vacuum with dry nitrogen and sweep the system Pressurize to a minimum of 5 psig 35 kPa 35 bar B Pull vacuum to 500 microns Break the vacuum with dry nitrogen and sweep the system Pressurize to a minimum of 5 psig 35 kPa 35 bar C Change the vacuum pump oil D Pull vacuum to 500 microns Run the vacuum pump for 1 2 hour on self contained models 1 hour on remotes NOTE You may perform a...

Page 181: ...pe away any burnout deposits from suction and discharge lines at compressor 5 Sweep through the open system with dry nitrogen 6 Install a new compressor and new start components 7 Install a suction line filter drier with acid and moisture removal capability Place the filter drier as close to the compressor as possible 8 Install an access valve at the inlet of the suction line drier 9 Install a new...

Page 182: ...a preliminary leak check You should use an electronic leak detector after system charging to be sure there are no leaks 11 Charge the system with the proper refrigerant to the nameplate charge 12 Operate the ice machine for one hour Then check the pressure drop across the suction line filter drier A If the pressure drop is less than 1 psig 7 kPa 7 bar the filter drier should be adequate for comple...

Page 183: ...r from the pressure control as feasible See the figure on next page Clamp down on the tubing until the pinch off is complete 3 Cut the tubing of the defective component with a small tubing cutter 4 Solder the replacement component in place Allow the solder joint to cool 5 Remove the pinch off tool 6 Re round the tubing Position the flattened tubing in the proper hole in the pinch off tool Tighten ...

Page 184: ...184 Part Number 80 1479 3 7 10 SV1406 USING PINCH OFF TOOL ...

Page 185: ...OUT HPCO CONTROL Model Cut In Close Cut Out Open S300 S320 S420 S450 S500 S600 S850 250 5 1723 kPa 34 17 23 bar 34 200 5 1517 kPa 34 15 17 bar 34 S1000 S1200 S1400 S1600 S1800 275 psig 5 1896 kPa 34 18 96 bar 34 225 psig 5 1551 kPa 34 15 51 bar 34 Cut Out Cut In 450 psig 10 3103 kPa 69 31 bar 69 Automatic Reset Must be below 300 psig 2068 kPa 20 68 bar to reset ...

Page 186: ... and acid removal capability The size of the filter drier is important The refrigerant charge is critical Using an improperly sized filter drier will cause the ice machine to be improperly charged with refrigerant Listed below is the recommended OEM field replacement drier Model Drier Size End Connection Size S300A S300W S320A S320W S420A S420W S450A S450W S500A S500W S600A S600W S850A S850W S1000...

Page 187: ... information listed on this page Model Air Cooled Water Cooled Remote Additional Refrigerant for Line Sets 51 100 Maximum System Charge S300 18 oz 11 oz NA NA NA S320 20 oz 15 oz NA NA NA S420 S450 21 oz 14 oz NA NA NA S500 Before 110684316 24 oz 20 oz 6 lb 1 5 lb 7 5 lb S500 After 110684316 24 oz 23 oz 6 lb 1 5 lb 7 5 lb S600 32 oz 28 oz 6 5 lb 1 5 lb 8 lb S850 Before 110683282 36 oz 26 oz 8 5 lb...

Page 188: ...S1400 Between 0711 0905 Manufacture Date 44 oz 52 oz 11 lb 2 lb 13 lb S1400 After 0905 Manufacture Date 46 oz 40 oz 11 lb 2 lb 13 lb S1600 48 oz 36 oz 11 5 lb 2 lb 13 5 lb S1800 Before 0910 Manufacture Date 52 oz 48 oz 12 5 lb 1 lb 13 5 lb S1800 After 0910 Manufacture Date 52 oz 40 oz 12 5 lb 1 lb 13 5 lb S3300 NA 6 lb NA NA NA Model Air Cooled Water Cooled Remote Additional Refrigerant for Line S...

Page 189: ...Part Number 80 1479 3 7 10 189 This Page Intentionally Left Blank ...

Page 190: ...190 Part Number 80 1479 3 7 10 This Page Intentionally Left Blank ...

Page 191: ...s comparing evaporator inlet outlet temperatures discharge and suction pressure analysis Ice production checks that are within 10 of the chart are considered normal This is due to variances in water and air temperature Actual temperatures will seldom match the chart exactly Zero out manifold gauge set before obtaining pressure readings to avoid misdiagnosis Discharge and suction pressure are highe...

Page 192: ... 12 3 14 4 13 5 15 7 100 38 12 3 14 4 13 5 15 7 14 8 17 3 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 2 44 2 81 lb 50 10 70 21 90 32 70 21 325 295 270 80 27 305 275 250 90 32 285 255 235 100 38 255 235 215 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure...

Page 193: ...6 13 5 16 0 14 6 17 3 110 43 14 2 16 8 15 4 18 2 16 7 18 7 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 2 44 2 81 lb 50 10 70 21 90 32 70 21 340 315 290 80 27 310 285 265 90 32 280 270 240 100 38 250 230 215 110 43 220 205 190 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure P...

Page 194: ... Machine F C Water Temperature F C1 1 Based on average ice slab weight of 2 44 2 81 lb 50 10 70 21 90 32 70 21 310 285 260 80 27 305 280 255 90 32 295 270 250 100 38 290 265 245 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 hours 250 485 2100 Air Temp Around Ice Machine F C Freeze Cycle Har...

Page 195: ...ering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 2 44 2 81 lb 50 10 70 21 90 32 70 21 325 300 275 80 27 320 295 270 90 32 315 290 265 100 38 310 285 260 110 43 305 280 255 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 hours 250 510 3300 Air Temp Entering Cond...

Page 196: ...20 4 100 38 18 0 20 4 19 8 22 4 20 8 23 5 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 3 25 3 65 lb 50 10 70 21 90 32 70 21 340 320 300 80 27 320 290 270 90 32 280 250 240 100 38 240 220 210 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG1 1 Suction...

Page 197: ...r Temperature F C1 1 Based on average ice slab weight of 3 25 3 65 lb 50 10 70 21 90 32 70 21 330 310 280 80 27 320 300 280 90 32 310 290 270 100 38 300 280 260 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 90 160 1010 Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle D...

Page 198: ...1 5 11 7 12 5 90 32 10 4 11 1 11 4 12 1 12 5 13 3 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 3 4 3 6 lb 50 10 70 21 90 32 70 21 450 420 390 80 27 430 400 370 90 32 410 380 350 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG1 1 Suction pressure dro...

Page 199: ...7 12 5 90 32 10 4 11 1 11 4 12 1 12 5 13 3 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 3 4 3 6 lbs 50 10 70 21 90 32 70 21 450 420 390 80 27 430 400 370 90 32 410 380 350 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG1 1 Suction pressure drops gra...

Page 200: ...Water Temperature F C1 1 Based on average ice slab weight of 3 4 3 6 lb 50 10 70 21 90 32 70 21 470 440 400 80 27 460 430 390 90 32 450 420 380 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice NA 200 NA Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure P...

Page 201: ... Water Temperature F C1 1 Based on average ice slab weight of 3 4 3 6 lbs 50 10 70 21 90 32 70 21 470 440 400 80 27 460 430 390 90 32 450 420 380 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 hours 320 537 2930 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PS...

Page 202: ... 5 11 7 12 5 90 32 10 4 11 1 11 4 12 1 12 5 13 3 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 3 40 3 60 lb 50 10 70 21 90 32 70 21 450 420 390 80 27 430 400 370 90 32 410 380 350 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG1 1 Suction pressure dr...

Page 203: ...7 12 5 90 32 10 4 11 1 11 4 12 1 12 5 13 3 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 3 4 3 6 lbs 50 10 70 21 90 32 70 21 450 420 390 80 27 430 400 370 90 32 410 380 350 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG1 1 Suction pressure drops gra...

Page 204: ...ater Temperature F C1 1 Based on average ice slab weight of 3 40 3 60 lb 50 10 70 21 90 32 70 21 470 440 400 80 27 460 430 390 90 32 450 420 380 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice NA 200 NA Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure ...

Page 205: ...C Water Temperature F C1 1 Based on average ice slab weight of 3 4 3 6 lbs 50 10 70 21 90 32 70 21 470 440 400 80 27 460 430 390 90 32 450 420 380 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 230 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 hours 280 531 2690 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure P...

Page 206: ...4 13 3 15 6 14 1 16 5 100 38 13 7 16 0 15 0 17 5 15 9 18 6 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 4 12 4 75 lb 50 10 70 21 90 32 70 21 540 470 440 80 27 500 430 420 90 32 460 400 380 100 38 390 360 340 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressur...

Page 207: ...1 18 2 21 0 19 9 22 9 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 4 38 5 0 lb 2 230 50 1 is approximately 12 lower than 230 60 1 50 10 70 21 90 32 35 2 to 70 21 530 485 445 90 32 440 420 370 100 38 395 365 330 110 43 350 320 295 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressu...

Page 208: ...18 5 17 3 20 0 18 8 21 7 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 4 38 5 0 lb 2 230 50 1 is approximately 12 lower than 230 60 1 50 10 70 21 90 32 35 2 to 70 21 560 510 465 90 32 560 440 390 100 38 410 380 350 110 43 360 335 310 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pre...

Page 209: ...ine F C Water Temperature F C1 1 Based on average ice slab weight of 4 12 4 75 lb 50 10 70 21 90 32 70 21 550 490 440 80 27 530 480 430 90 32 520 480 420 100 38 510 460 410 Air Temp Around Ice Machine 90 F 32 2 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 87 138 458 Air Temp Around Ice Machine F C Freeze Cycle Ha...

Page 210: ...ce Machine F C Water Temperature F C1 1 Based on average ice slab weight of 4 38 5 0 lb 50 10 70 21 90 32 35 2 to 70 21 550 500 440 90 32 530 470 425 100 38 520 465 415 110 43 510 460 405 Air Temp Around Ice Machine 90 F 32 2 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 355 700 3160 Air Temp Around Ice Machine F ...

Page 211: ...e Machine F C Water Temperature F C1 1 Based on average ice slab weight of 4 38 5 0 lb 50 10 70 21 90 32 35 2 to 70 21 550 500 440 90 32 530 485 425 100 38 525 470 420 110 43 515 465 410 Air Temp Around Ice Machine 90 F 32 2 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 355 700 3160 Air Temp Around Ice Machine F C...

Page 212: ...12 0 14 0 13 3 15 6 14 1 16 5 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 4 12 4 75 lb 2 Ratings with JC0495 condenser dice or half dice cubes 50 10 70 21 90 32 20 29 to 70 21 520 470 420 80 27 520 460 420 90 32 510 460 420 100 38 480 430 400 110 43 440 400 380 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Sucti...

Page 213: ... 9 14 1 16 3 15 3 17 7 110 43 13 3 15 4 14 5 16 7 16 0 18 5 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 4 38 5 0 lb 50 10 70 21 90 32 20 29 to 70 21 480 445 415 90 32 455 425 390 100 38 440 405 375 110 43 425 395 360 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Sucti...

Page 214: ... 14 2 13 5 15 6 14 9 17 2 110 43 12 8 14 9 14 1 16 3 15 5 18 0 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 4 38 5 0 lb 50 10 70 21 90 32 20 29 to 70 21 510 465 425 90 32 475 450 400 100 38 460 420 385 110 43 440 405 370 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Su...

Page 215: ... 9 100 38 9 9 11 7 10 9 12 8 11 4 13 4 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 4 12 4 75 lb 50 10 0 70 21 1 90 32 2 70 21 650 600 560 80 27 640 580 550 90 32 590 540 510 100 38 520 480 460 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG1 1 Suct...

Page 216: ...ure F C1 1 Based on average ice slab weight of 4 12 4 75 lb 50 10 70 21 90 32 70 21 650 630 590 80 27 640 620 580 90 32 630 610 580 100 38 620 600 560 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 110 170 870 Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge P...

Page 217: ... 4 13 4 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 4 12 4 75 lb 2 Ratings with JC0895 condenser dice or half dice cubes 50 10 70 21 90 32 20 29 to 70 21 630 580 550 80 27 630 570 530 90 32 620 570 540 100 38 580 530 500 110 43 530 490 460 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Disch...

Page 218: ...0 9 12 5 11 4 13 1 100 38 10 7 12 3 12 1 13 8 12 8 14 6 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 50 lb 50 10 70 21 90 32 70 21 870 800 770 80 27 830 760 730 90 32 740 670 640 100 38 680 610 580 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure P...

Page 219: ...3 14 9 17 0 15 8 18 0 16 5 18 8 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 5 75 6 5 lb 2 230 50 1 is approximately 12 lower than 230 60 1 50 10 70 21 90 32 35 2 to 70 21 785 735 690 90 32 645 615 575 100 38 575 545 515 110 43 505 480 460 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discha...

Page 220: ...3 12 7 14 5 13 7 15 7 14 9 17 0 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 5 75 6 5 lb 2 230 50 1 is approximately 12 lower than 230 60 1 50 10 70 21 90 32 35 2 to 70 21 940 870 800 90 32 760 725 650 100 38 675 625 575 110 43 585 545 505 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discha...

Page 221: ...ine F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 50 lb 50 10 70 21 90 32 70 21 880 810 730 80 27 870 800 720 90 32 860 790 710 100 38 850 780 700 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 hours 690 1420 5200 Air Temp Around Ice Machine F C Freeze Cycle Harvest...

Page 222: ...Ice Machine F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 50 lb 50 10 70 21 90 32 70 21 835 755 680 80 27 780 740 655 90 32 755 700 645 100 38 730 680 635 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 230 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 hours 580 1150 4200 Air Temp Around Ice Machine F C Freeze Cycle...

Page 223: ...Ice Machine F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 50 lb 50 10 70 21 90 32 70 21 875 800 720 80 27 855 810 710 90 32 845 775 705 100 38 835 765 700 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 230 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 hours 580 1150 4200 Air Temp Around Ice Machine F C Freeze Cycle...

Page 224: ...2 3 11 2 12 9 110 43 10 9 12 5 11 9 13 6 12 5 14 4 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 5 75 6 50 lb 2 Ratings with JC0895 condenser 50 10 70 21 90 32 20 29 to 70 21 820 780 740 80 27 800 750 720 90 32 780 730 700 100 38 730 680 650 110 43 670 620 590 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction ...

Page 225: ... 12 3 14 1 13 3 15 2 110 43 12 1 13 8 13 0 14 9 14 1 16 2 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 5 lb 50 10 70 21 90 32 20 29 to 70 21 750 700 645 90 32 680 645 585 100 38 645 600 560 110 43 610 570 530 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction...

Page 226: ... 10 7 12 3 11 8 13 6 110 43 10 3 11 9 11 3 13 0 12 7 14 5 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 5 lb 50 10 70 21 90 32 20 29 to 70 21 860 795 730 90 32 780 750 655 100 38 740 680 620 110 43 700 645 585 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction...

Page 227: ...9 8 9 4 10 8 100 38 9 3 10 7 10 2 11 7 11 0 12 7 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 50 lb 50 10 70 21 90 32 70 21 1060 990 910 80 27 980 910 840 90 32 890 830 760 100 38 770 710 660 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG1 1...

Page 228: ...1 7 11 0 12 7 12 0 13 7 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 5 75 6 5 lb 2 230 50 1 is approximately 12 lower than 230 60 1 50 10 70 21 90 32 70 21 1050 970 890 90 32 880 840 745 100 38 800 740 680 110 43 710 660 615 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PS...

Page 229: ... 11 7 11 0 12 7 12 0 13 7 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 5 75 6 5 lb 2 230 50 1 is approximately 12 lower than 230 60 1 50 10 70 21 90 32 35 2 to 70 21 1050 970 890 90 32 880 840 745 100 38 800 740 680 110 43 710 660 615 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge P...

Page 230: ...Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 50 lb 50 10 70 21 90 32 70 21 1000 930 830 80 27 990 920 820 90 32 980 910 810 100 38 970 900 800 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 hours 710 1500 5100 Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle ...

Page 231: ...F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 5 lb 50 10 70 21 90 32 70 21 1000 965 850 90 32 975 955 840 100 38 965 900 930 110 43 955 890 825 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 220 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 Hours 760 1600 5500 Air Temp Around Ice Machine F C Freeze Cycle Harvest Cy...

Page 232: ... F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 5 lb 50 10 70 21 90 32 70 21 1075 970 870 90 32 1030 960 855 100 38 1010 930 850 110 43 990 915 845 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 220 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 Hours 760 1600 5500 Air Temp Around Ice Machine F C Freeze Cycle Harvest...

Page 233: ...43 8 7 10 1 9 4 10 8 10 7 12 3 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 5 75 6 50 lb 2 Ratings with JC0895 condenser 50 10 70 21 90 32 20 29 to 70 21 960 910 840 80 27 920 870 800 90 32 900 850 780 100 38 860 810 740 110 43 810 760 680 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discha...

Page 234: ... 10 2 9 8 11 3 110 43 8 7 10 1 9 6 11 1 10 8 12 4 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 5 lb 50 10 70 21 90 32 70 21 1030 960 885 90 32 920 870 780 100 38 865 800 730 110 43 810 745 675 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG1 ...

Page 235: ...8 4 9 6 9 2 10 6 110 43 8 3 9 6 9 0 10 4 9 9 11 4 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 5 lb 50 10 70 21 90 32 70 21 1060 1000 935 90 32 950 920 830 100 38 900 840 775 110 43 845 785 725 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG1...

Page 236: ... 10 1 11 3 100 38 9 5 10 6 10 5 11 7 11 4 12 6 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 7 5 8 25 lb 50 10 70 21 90 32 70 21 1230 1100 1050 80 27 1190 1070 1010 90 32 1090 1010 930 100 38 980 900 840 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSI...

Page 237: ...0 43 12 9 14 3 13 9 15 5 15 1 16 8 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 7 5 8 25 lb 2 230 50 1 is approximately 12 lower than 230 60 1 50 10 70 21 90 32 70 21 1100 1035 965 80 27 1010 950 890 90 32 925 890 810 100 38 840 785 730 110 43 750 700 650 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pres...

Page 238: ... 43 11 3 12 6 12 3 13 6 13 5 15 0 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 5 75 6 5 lb 2 230 50 1 is approximately 12 lower than 230 60 1 50 10 70 21 90 32 70 21 1205 1110 1015 80 27 1115 1030 940 90 32 1025 945 865 100 38 935 865 795 110 43 845 785 720 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pr...

Page 239: ... Temperature F C1 1 Based on average ice slab weight of 7 5 8 25 lb 50 10 70 21 90 32 70 21 1260 1160 1020 80 27 1220 1150 1020 90 32 1200 1120 1000 100 38 1150 1110 990 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 91 150 660 Air Temp Around Ice Machine F C Freeze Cycle Harvest...

Page 240: ...Machine F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 5 lb 50 10 70 21 90 32 70 21 1165 1050 930 80 27 1155 1040 925 90 32 1145 1030 920 100 38 1135 1025 915 110 43 1125 1015 905 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 225 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 Hours 770 1560 5700 Air Temp Around Ice ...

Page 241: ...achine F C Water Temperature F C1 1 Based on average ice slab weight of 5 75 6 5 lb 50 10 70 21 90 32 70 21 1170 1085 955 80 27 1165 1075 950 90 32 1160 1065 945 100 38 1155 1050 940 110 43 1145 1040 935 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 225 PSIG discharge pressure 50 10 70 21 90 32 Gal 24 Hours 770 1560 5700 Air Temp Around Ice M...

Page 242: ... 32 10 2 11 2 10 9 12 2 11 8 13 2 100 38 11 6 12 9 12 8 14 2 13 8 15 4 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 10 11 lb 50 10 70 21 90 32 70 21 1450 1320 1250 80 27 1390 1260 1170 90 32 1250 1160 1080 100 38 1100 1010 940 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure P...

Page 243: ...11 3 12 9 12 6 14 3 13 7 15 6 110 43 13 0 14 7 14 5 16 5 16 1 18 2 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 10 25 11 5 lb 50 10 70 21 90 32 70 21 1440 1330 1250 80 27 1340 1240 1160 90 32 1270 1170 1090 100 38 1150 1050 970 110 43 1020 920 840 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG...

Page 244: ... 10 6 12 1 11 9 13 6 12 8 14 6 110 43 11 9 13 6 13 6 15 4 14 7 16 7 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 10 25 11 5 lb 50 10 70 21 90 32 70 21 1450 1330 1260 80 27 1390 1270 1200 90 32 1320 1200 1130 100 38 1220 1100 1030 110 43 1100 980 910 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PS...

Page 245: ... Around Ice Machine F C Water Temperature F C1 1 Based on average ice slab weight of 10 11 lb 50 10 70 21 90 32 70 21 1380 1280 1130 80 27 1380 1280 1120 90 32 1380 1300 1100 100 38 1370 1250 1090 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 90 145 590 Air Temp Around Ice Machi...

Page 246: ...mp Around Ice Machine F C Water Temperature F C1 1 Based on average ice slab weight of 10 11 lb 50 10 70 21 90 32 70 21 1375 1250 1125 90 32 1325 1210 1085 100 38 1300 1185 1070 110 43 1280 1165 1050 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 230 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 85 140 510 Air Temp Around Ice Ma...

Page 247: ...1 4 13 0 Air Temp Around Ice Machine F C Water Temperature F C1 1 Based on average ice slab weight of 10 25 11 5 lb 50 10 70 21 90 32 70 21 1460 1350 1200 90 32 1430 1310 1160 100 38 1420 1300 1150 110 43 1410 1290 1140 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 230 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 82 143 430 Ai...

Page 248: ...ir Temp Around Ice Machine F C Water Temperature F C1 1 Based on average ice slab weight of 10 25 11 5 lb 50 10 70 21 90 32 70 21 1430 1310 1160 90 32 1410 1290 1140 100 38 1400 1280 1130 110 43 1390 1270 1120 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 230 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 82 143 430 Air Temp Aro...

Page 249: ...d Ice Machine F C Water Temperature F C1 1 Based on average ice slab weight of 10 11 lb 50 10 70 21 90 32 70 21 1430 1300 1160 90 32 1395 1275 1130 100 38 1375 1245 1115 110 43 1360 1230 1100 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 230 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 85 140 510 Air Temp Around Ice Machine F ...

Page 250: ... 1 12 4 12 3 13 7 110 43 9 1 10 1 10 1 11 3 11 0 12 3 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 10 11 lb 2 Ratings with JC1395 condenser 50 10 70 21 90 32 20 29 to 70 21 1360 1240 1150 80 37 1350 1250 1130 90 32 1320 1210 1120 100 38 1260 1140 1040 110 43 1360 1240 1150 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure...

Page 251: ...12 6 14 3 110 43 11 2 12 8 12 7 14 4 13 7 15 6 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 10 25 11 5 lb 2 Ratings with JC1395 condenser 50 10 70 21 90 32 70 21 1380 1270 1200 80 37 1360 1250 1180 90 32 1330 1210 1140 100 38 1240 1120 1050 110 43 1160 1040 970 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suctio...

Page 252: ... 12 0 13 7 110 43 10 6 12 1 12 0 13 7 13 1 14 9 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 10 25 11 5 lb 2 Ratings with JC1395 condenser 50 10 70 21 90 32 70 21 1430 1320 1220 80 37 1400 1290 1190 90 32 1370 1230 1160 100 38 1300 1160 1090 110 43 1220 1090 1010 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suct...

Page 253: ...100 38 12 5 13 7 13 7 15 0 15 1 16 5 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 13 14 125 lb 50 10 70 21 90 32 70 21 1690 1540 1480 80 27 1630 1460 1380 90 32 1490 1370 1370 100 38 1340 1230 1130 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG1 1 ...

Page 254: ... C1 1 Based on average ice slab weight of 13 14 125 lb 50 10 70 21 90 32 70 21 1660 1510 1350 80 27 1610 1500 1320 90 32 1600 1480 1310 100 38 1570 1450 1290 Air Temp Around Ice Machine 90 F 32 C Gal 100 lbs of Ice Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 100 150 550 Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Disc...

Page 255: ...1 2 12 3 12 4 13 6 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 13 14 125 lb 2 Ratings with JC1395 condenser 50 10 70 21 90 32 20 29 to 70 21 1570 1470 1350 80 27 1560 1420 1340 90 32 1520 1420 1290 100 38 1420 1300 1220 110 43 1570 1470 1350 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Dis...

Page 256: ...0 32 10 0 11 0 10 7 11 8 11 8 12 9 100 38 11 2 12 3 12 2 13 3 13 0 14 3 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 13 14 125 lb 50 10 70 21 90 32 70 21 1830 1680 1570 80 27 1720 1600 1510 90 32 1630 1530 1410 100 38 1470 1370 1290 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pres...

Page 257: ...5 13 1 12 8 14 5 14 2 16 1 110 43 12 9 14 6 14 5 16 4 16 3 18 4 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 13 14 125 lb 50 10 70 21 90 32 70 21 1830 1700 1580 80 27 1700 1570 1450 90 32 1590 1460 1340 100 38 1460 1330 1210 110 43 1320 1190 1070 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG ...

Page 258: ... 11 0 12 5 11 9 13 5 100 38 10 7 12 2 12 2 13 8 13 2 15 0 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 13 14 125 lb 50 10 70 21 90 32 70 21 1890 1720 1620 80 27 1820 1650 1550 90 32 1690 1520 1420 100 38 1560 1390 1290 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suct...

Page 259: ...ound Ice Machine F C Water Temperature F C1 1 Based on average ice slab weight of 13 14 125 lb 50 10 70 21 90 32 70 21 1870 1750 1530 80 27 1870 1730 1510 90 32 1860 1710 1490 100 38 1830 1690 1470 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 95 155 510 Air Temp Around Ice Mach...

Page 260: ... 0 10 3 10 1 11 5 11 3 12 9 110 43 9 1 10 4 10 2 11 7 11 5 13 1 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 13 14 125 lb 50 10 70 21 90 32 70 21 1880 1710 1550 80 27 1850 1680 1520 90 32 1840 1670 1510 100 38 1810 1640 1480 110 43 1790 1620 1460 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG ...

Page 261: ...10 0 9 4 10 7 10 9 12 4 100 38 8 9 10 1 9 5 10 8 11 1 12 6 Air Temp Entering Condenser F C Water Temperature F C1 1 Based on average ice slab weight of 13 14 125 lb 50 10 70 21 90 32 70 21 1890 1790 1570 80 27 1860 1760 1540 90 32 1850 1750 1530 100 38 1830 1730 1510 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suc...

Page 262: ...0 11 0 11 6 12 7 110 43 10 4 11 5 11 5 12 6 12 5 13 7 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 13 14 125 lb 2 Ratings with JC1395 condenser 50 10 70 21 90 32 20 29 to 70 21 1800 1630 1540 80 27 1780 1620 1520 90 32 1750 1610 1520 100 38 1690 1630 1430 110 43 1570 1440 1340 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pres...

Page 263: ... 0 14 8 110 43 11 7 13 3 13 1 14 9 14 3 16 3 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 13 14 125 lb 2 Ratings with JC1395 condenser 50 10 70 21 90 32 20 29 to 70 21 1750 1610 1510 80 27 1730 1590 1490 90 32 1650 1510 1410 100 38 1550 1410 1310 110 43 1440 1300 1200 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG...

Page 264: ... 12 5 14 2 110 43 11 8 13 4 12 7 14 4 13 8 15 7 Air Temp Entering Condenser F C Water Temperature F C12 1 Based on average ice slab weight of 13 14 125 lb 2 Ratings with JC1395 condenser 50 10 70 21 90 32 20 29 to 70 21 1770 1650 1550 80 27 1720 1600 1500 90 32 1630 1540 1440 100 38 1550 1460 1360 110 43 1430 1340 1240 Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure P...

Page 265: ...Machine F C Water Temperature F C1 1 Based on average ice slab weight of 6 38 7 13 lb per evaporator 50 10 70 21 90 32 70 21 3320 2920 2580 80 27 3280 2880 2540 90 32 3220 2820 2480 100 38 3180 2780 2440 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 97 166 419 Air Temp Around Ic...

Page 266: ...emperature F C1 1 Based on average ice slab weight of 6 38 7 13 lb per evaporator 50 10 70 21 90 32 70 21 3380 3050 2640 80 27 3300 2970 2560 90 32 3260 2930 2520 100 38 3210 2890 2480 Air Temp Around Ice Machine 90 F 32 C Water Temperature F C1 1 Water regulating valve set to maintain 240 PSIG discharge pressure 50 10 70 21 90 32 Gal 100 lbs of Ice 97 166 419 Air Temp Around Ice Machine F C Freez...

Page 267: ...mber page 12 to reference the correct diagrams WIRING DIAGRAM LEGEND The following symbols are used on all of the wiring diagrams Internal Compressor Overload Some models have external compressor overloads Fan Motor Run Capacitor Some models do not incorporate fan motor run capacitor Wire Number Designation The number is marked at each end of the wire Multi Pin Connection Electrical Box Side Compr...

Page 268: ...USE 7A TRANS ICE THICKNESS PROBE WATER LEVEL PROBE SOLENOID 57 DUMP 81 75 76 HARVEST SOLENOID 80 77 VALVE WATER 60 61 22 21 7 2 1 6 5 HIGH PRESSURE CUTOUT 55 L2 OR N SEE SERIAL PLATE FOR VOLTAGE L1 89 88 20 59 CLEAN LEFT BIN RIGHT BIN RMT BIN WTR PROBE ICE PROBE HARV SL 1 SL 2 6 2 1 9 8 42 CONTROL BOARD 4 85 51 CONTACTOR CONTACTS L1 FAN CYCLE CONTROL RUN CAPACITOR FAN MOTOR AIR COOLED ONLY 49 STAR...

Page 269: ...20 21 22 74 Ice Thickness Probe Water Level Probe Control Board 61 60 57 98 99 76 81 75 77 80 58 59 Contactor Coil 56 Trans Fuse 7a Low DC Voltage Plug L1 51 85 86 Fan Cycle Control Fan Motor Run Capacitor 5 Compressor Run Capacitor 50 45 L2 or N L1 Ground 2 6 5 1 7 4 L2 Bin Switch Clean OFF ICE 2 1 6 8 9 Overload Contactor Contacts 46 Compressor Terminal Layout Viewed from End of Compressor 49 2 ...

Page 270: ...inates at Pin Connection 20 21 22 74 Ice Thickness Probe Water Level Probe Control Board 61 60 57 98 99 76 81 75 77 80 26 25 58 59 Contactor Coil 56 Trans Fuse 7a Low DC Voltage Plug L1 51 85 86 Fan Cycle Control Fan Motor Run Capacitor PTCR Compressor Run Capacitor 50 45 L2 or N L1 Ground 2 6 5 1 7 4 L2 Air Comp Air Pump Bin Switch Clean OFF ICE 2 1 6 8 9 Overload Red Yellow Black Contactor Conta...

Page 271: ...21 74 Ice Thickness Probe Water Level Probe Control Board 61 60 57 98 99 76 81 75 77 80 26 25 58 59 Contactor Coil 56 Trans Fuse 7a Low DC Voltage Plug L1 51 85 86 Fan Cycle Control Fan Motor Run Capacitor Ground 2 6 5 1 7 4 L2 Air Comp Air Pump Bin Switch Clean OFF ICE 2 1 6 8 9 Contactor Contacts Terminates at Pin Connection Compressor L2 L3 T1 T2 T3 L1 L2 L3 ...

Page 272: ...SOR 53 RUN CAPACITOR 52 CLEAN OFF ICE BIN SWITCH LOW D C VOLTAGE PLUG CONTACTOR COIL 56 74 PUMP WATER 98 58 FUSE 7A TRANS ICE THICKNESS PROBE WATER LEVEL PROBE SOLENOID 57 DUMP 81 75 76 SOLENOID HARVEST 80 77 HPR SOLENOID 60 61 22 82 7 2 1 6 5 HIGH PRESSURE CUTOUT 55 L2 OR N SEE SERIAL PLATE FOR VOLTAGE L1 CAUTION DISCONNECT POWER BEFORE WORKING ON ELECTRICAL CIRCUITRY 89 88 78 59 CLEAN LEFT BIN R...

Page 273: ... 74 Ice Thickness Probe Water Level Probe Control Board 61 60 57 98 99 76 80 75 77 26 25 58 59 Contactor Coil 56 Trans Low DC Voltage Plug L1 51 Fan Motor Run Capacitor PTCR Compressor Run Capacitor 50 45 L2 or N L1 Ground 1 2 5 6 L2 Air Pump Bin Switch Clean OFF ICE 2 1 6 8 9 Overload Red Yellow Black Contactor Contacts 46 HPR Valve 78 79 81 22 83 7 4 Fuse 7a F1 F2 Remote Condenser Liquid Solenoi...

Page 274: ...0 21 74 Ice Thickness Probe Water Level Probe Control Board 61 60 57 98 99 76 81 75 78 80 26 25 58 59 Contactor Coil 56 Trans Fuse 7a Low DC Voltage Plug L1 51 Fan Motor Run Capacitor Ground 2 6 5 1 7 4 L2 Air Pump Bin Switch Clean OFF ICE 2 1 6 8 9 Contactor Contacts Compressor L2 L3 T1 T2 T3 L1 L2 L3 22 HPR Valve Liquid Solenoid 77 79 82 22 83 F1 F2 ...

Page 275: ...ROL 59 CLEAN LEFT BIN RIGHT BIN RMT BIN WTR PROBE ICE PROBE HARVEST SL 1 SL 2 6 25 26 L2 AIR PUMP 9 8 42 CONTROL BOARD BIN SWITCH LOW D C VOLTAGE PLUG CONTACTOR COIL 56 TERMINATES AT PIN CONNECTION PUMP WATER 99 98 58 FUSE 7A TRANS ICE THICKNESS WATER LEVEL SOLENOID 57 DUMP 81 76 LH HARVEST SOLENOID 87 77 WATER VALVE 60 61 22 21 7 2 1 5 HIGH PRESSURE CUTOUT 55 L2 OR N 88 20 AIR PUMP WHEN USED 4 6 ...

Page 276: ...ATER LEVEL PROBE SOLENOID DUMP 81 75 76 LH HARVEST SOLENOID 87 77 VALVE WATER 60 61 22 21 7 2 1 6 5 HIGH PRESSURE CUTOUT 55 89 88 20 59 CLEAN LEFT BIN RIGHT BIN RMT BIN WTR PROBE ICE PROBE HARV SL 1 SL 2 AIR PUMP WHEN USED 6 2 1 9 25 26 L2 AIR PUMP FAN CYCLE CONTROL T3 L2 L3 COMPRESSOR T1 T2 51 85 86 CONTACTS CONTACTOR L1 L2 L3 L1 AIR COOLED ONLY FAN MOTOR RUN CAPACITOR FUSE 7A TRANS 4 99 98 57 RH...

Page 277: ...N MOTOR RUN CAPACITOR F2 F1 BLACK OVERLOAD C R COMPRESSOR YELLOW RED CONTACTOR L1 BIN SWITCH LOW D C VOLTAGE PLUG CONTACTOR COIL 56 74 WATER PUMP 98 58 FUSE 7A TRANS ICE THICKNESS PROBE WATER LEVEL PROBE 57 DUMP SOLENOID 81 75 76 RH HARVEST SOLENOID 87 88 HPR SOLENOID 60 61 22 82 7 2 1 6 5 HIGH PRESSURE CUTOUT 55 L2 OR N CONTACTS 89 88 78 AIR PUMP WHEN USED 4 LIQUID SOLENOID 83 REMOTE CONDENSER WA...

Page 278: ... C VOLTAGE PLUG CONTACTOR COIL 56 74 58 FUSE 7A TRANS SOLENOID 57 DUMP 76 RH HARVEST SOLENOID 88 60 61 7 2 1 6 5 55 59 CLEAN LEFT BIN RIGHT BIN RMT BIN WTR PROBE ICE PROBE HARV SL 1 SL 2 AIR PUMP WHEN USED 6 2 1 25 26 L2 AIR PUMP 9 8 CONTROL BOARD 4 83 51 F1 FAN MOTOR REMOTE F2 REMOTE CONDENSER RUN CAPACITOR PUMP WATER 98 81 75 87 HPR SOLENOID 22 82 78 LIQUID SOLENOID 79 WATER VALVE 21 20 99 LH HA...

Page 279: ...IEWED FROM END OF COMPRESSOR COMPRESSOR R S C OVERLOAD INTERNAL 230V 50 60 HZ 48 47 46 CONTACTOR CONTACTS POTENTIAL RELAY 85 FAN CYCLE CONTROL RUN CAPACITOR 53 44 START CAPACITOR 52 49 45 FAN MOTOR AIR COOLED ONLY RUN CAPACITOR 50 48 47 46 50 POTENTIAL RELAY 4 1 5 2 4 1 5 2 44 START CAPACITOR 45 49 WIRING FOR S300 ONLY NO RUN CAPACITOR CLEAN OFF ICE TERMINATES AT PIN CONNECTION CONTACTOR COIL SEE ...

Page 280: ... 9 8 56 BIN SWITCH 6 LOW D C VOLTAGE PLUG 1 2 R S C COMPRESSOR OVERLOAD 51 CONTACTOR CONTACTS FAN MOTOR AIR COOLED ONLY RUN CAPACITOR RED BLACK RUN CAPACITOR FAN CYCLE CONTROL 50 45 CLEAN OFF ICE CONTACTOR COIL SEE SERIAL PLATE FOR VOLTAGE 20 21 WATER VALVE AIR PUMP WHEN USED 22 28 99 HARVEST SOLENOID 27 DUMP SOLENOID 60 77 WATER PUMP 76 80 81 L2 OR N 57 58 59 98 75 74 42 L1 COMPRESSOR HAS INTERNA...

Page 281: ...IN WTR PROBE ICE PROBE HARV SL 1 SL 2 9 8 56 BIN SWITCH 6 LOW D C VOLTAGE PLUG 1 2 COMPRESSOR 51 CONTACTOR CONTACTS FAN MOTOR AIR COOLED ONLY RUN CAPACITOR FAN CYCLE CONTROL 85 CLEAN OFF ICE CONTACTOR COIL SEE SERIAL PLATE FOR VOLTAGE 20 21 WATER VALVE AIR PUMP WHEN USED 22 28 99 HARVEST SOLENOID 27 DUMP SOLENOID 60 77 WATER PUMP 76 80 81 L2 57 58 59 98 75 74 42 L1 SOME AIR COOLED MODELS MAY NOT H...

Page 282: ...N CYCLE CONTROL 59 CLEAN LEFT BIN RIGHT BIN RMT BIN WTR PROBE ICE PROBE HARVEST SL 1 SL 2 6 L2 9 8 42 CONTROL BOARD BIN SWITCH LOW D C VOLTAGE PLUG CONTACTOR COIL 56 TERMINATES AT PIN CONNECTION PUMP WATER 99 98 58 FUSE 7A TRANS ICE THICKNESS WATER LEVEL SOLENOID 57 DUMP 81 76 LH HARVEST SOLENOID 87 77 WATER VALVE 60 61 22 21 7 2 1 5 HIGH PRESSURE CUTOUT 55 L2 OR N 88 20 AIR PUMP 4 6 RH HARVEST SO...

Page 283: ...PROBE WATER LEVEL PROBE SOLENOID DUMP 81 75 76 LH HARVEST SOLENOID 87 77 VALVE WATER 60 61 22 21 7 2 1 6 5 HIGH PRESSURE CUTOUT 55 89 88 20 59 CLEAN LEFT BIN RIGHT BIN RMT BIN WTR PROBE ICE PROBE HARV SL 1 SL 2 AIR PUMP 6 2 1 9 25 26 L2 FAN CYCLE CONTROL T3 L2 L3 COMPRESSOR T1 T2 51 85 86 CONTACTS CONTACTOR L1 L2 L3 L1 AIR COOLED ONLY FAN MOTOR RUN CAPACITOR FUSE 7A TRANS 4 99 98 57 RH HARVEST SOL...

Page 284: ... 76A 21 WATER FILL SOLENOID WATER PUMP 2 WATER PUMP 1 98B 98A CONTACTOR COIL 84 56 57 64 20 60 63 62 61 2 4 1 3 4 5 6 3 2 1 CLN HARV WTR LEV WFS LIQ SOL DUMP PUMP CS2 HG2 CS1 HG1 22 23 75 CURTAIN SWITCH 1 CURTAIN SWITCH 2 CURTAIN SWITCH 3 CURTAIN SWITCH 4 24 19 CLEAN OFF ICE OPTIONAL BIN THERMO SWITCH LOW PRES SWITCH 20 WATER LEVEL PROBE ICE THICKNESS PROBE HIGH PRES CUTOUT 55 GROUND SEE SERIAL PL...

Page 285: ...IEWED FROM END OF COMPRESSOR COMPRESSOR R S C OVERLOAD INTERNAL 230V 50 60 HZ 48 47 46 CONTACTOR CONTACTS POTENTIAL RELAY 86 REMOTE CONDENSER RUN CAPACITOR 53 44 START CAPACITOR 52 49 45 REMOTE FAN MOTOR RUN CAPACITOR 51 50 4 1 5 2 F1 F2 CLEAN OFF ICE CONTACTOR COIL SEE SERIAL PLATE FOR VOLTAGE 20 21 WATER VALVE AIR PUMP WHEN USED 22 28 99 HARVEST SOLENOID 27 DUMP SOLENOID 60 77 WATER PUMP 76 80 8...

Page 286: ... RMT BIN WTR PROBE ICE PROBE HARV SL 1 SL 2 9 8 56 BIN SWITCH 6 LOW D C VOLTAGE PLUG 1 2 R S C COMPRESSOR OVERLOAD 51 CONTACTOR CONTACTS REMOTE FAN MOTOR RUN CAPACITOR RED BLACK RUN CAPACITOR F1 50 45 CLEAN OFF ICE CONTACTOR COIL SEE SERIAL PLATE FOR VOLTAGE 20 21 WATER VALVE AIR PUMP WHEN USED 22 28 99 HARVEST SOLENOID 27 DUMP SOLENOID 60 77 WATER PUMP 76 80 81 L2 OR N 57 58 59 98 75 74 42 L1 YEL...

Page 287: ...E HARV SL 1 SL 2 9 8 56 BIN SWITCH 6 LOW D C VOLTAGE PLUG 1 2 COMPRESSOR 51 CONTACTOR CONTACTS REMOTE FAN MOTOR RUN CAPACITOR REMOTE CONDENSER CLEAN OFF ICE CONTACTOR COIL SEE SERIAL PLATE FOR VOLTAGE 20 21 WATER VALVE AIR PUMP WHEN USED 22 28 99 HARVEST SOLENOID 27 DUMP SOLENOID 60 77 WATER PUMP 76 80 81 L2 57 58 59 98 75 74 42 L1 COMPRESSOR HAS INTERNAL OVERLOAD SOME AIR COOLED MODELS MAY NOT HA...

Page 288: ...1 BLACK OVERLOAD C R COMPRESSOR YELLOW RED CONTACTOR L1 BIN SWITCH LOW D C VOLTAGE PLUG CONTACTOR COIL 56 74 WATER PUMP 98 58 FUSE 7A TRANS ICE THICKNESS PROBE WATER LEVEL PROBE 57 DUMP SOLENOID 81 75 76 RH HARVEST SOLENOID 87 88 HPR SOLENOID 60 61 22 82 7 2 1 6 5 HIGH PRESSURE CUTOUT 55 L2 OR N CONTACTS 89 88 78 AIR PUMP 4 LIQUID SOLENOID 83 REMOTE CONDENSER WATER VALVE 21 20 99 LH HARVEST SOLENO...

Page 289: ...H LOW D C VOLTAGE PLUG CONTACTOR COIL 56 74 58 FUSE 7A TRANS SOLENOID 57 DUMP 76 RH HARVEST SOLENOID 88 60 61 7 2 1 6 5 55 59 CLEAN LEFT BIN RIGHT BIN RMT BIN WTR PROBE ICE PROBE HARV SL 1 SL 2 AIR PUMP 6 2 1 25 26 L2 9 8 CONTROL BOARD 4 83 51 F1 FAN MOTOR REMOTE F2 REMOTE CONDENSER RUN CAPACITOR PUMP WATER 98 81 75 87 HPR SOLENOID 22 82 78 LIQUID SOLENOID 79 WATER VALVE 21 20 99 LH HARVEST SOLENO...

Page 290: ...D ON ALL MODELS WATER PURGE ADJUSTMENT CLEAN LIGHT YELLOW LEFT BIN LIGHT GREEN RIGHT BIN LIGHT GREEN REMOTE BIN LIGHT NOT USED WATER PROBE LIGHT GREEN ICE PROBE LIGHT GREEN HARVEST LIGHT RED SAFETY LIMIT 1 LIGHT RED SAFETY LIMIT 2 LIGHT RED ICE THICKNESS PROBE 3 16 CONNECTION WATER LEVEL PROBE REMOTE BIN AUTOMATIC CLEANING SYSTEM PLUG AuCS DC LOW VOLTAGE ELECTRICAL PLUG BIN SWITCH ES TOGGLE SWITCH...

Page 291: ...DELS WATER PURGE ADJUSTMENT CLEAN LIGHT YELLOW LEFT BIN LIGHT GREEN RIGHT BIN LIGHT GREEN REMOTE BIN LIGHT GREEN WATER PROBE LIGHT GREEN ICE PROBE LIGHT GREEN HARVEST LIGHT RED SAFETY LIMIT 1 LIGHT RED SAFETY LIMIT 2 LIGHT RED ICE THICKNESS PROBE 3 16 CONNECTION WATER LEVEL PROBE AUTOMATIC CLEANING SYSTEM PLUG AuCS DC LOW VOLTAGE ELECTRICAL PLUG BIN SWITCH ES TOGGLE SWITCH 56 55 SERVICE MODE ...

Page 292: ...VEL GREEN WATER SOLENOID RED LIQUID SOLENOID RED DUMP VALVE RED WATER PUMP RED CURTAIN SWITCH 4 GREEN CURTAIN SWITCH 3 GREEN CURTAIN SWITCH 2 GREEN CURTAIN SWITCH 1 GREEN HARVEST VALVE 1 RED HARVEST VALVE 2 RED HARVEST VALVE 3 RED HARVEST VALVE 4 RED CURTAIN SWITCHES TOGGLE SWITCH LOW PRESSURE SWITCH OPTIONAL BIN THERMOSTAT AC LINE VOLTAGE PLUG ...

Page 293: ...AT EXCHANGER EVAPORATOR CONDENSER COMPRESSOR HOT GAS SOLENOID VALVE AIR OR WATER DRIER STRAINER RECEIVER WATER COOLED ONLY LOW PRESSURE VAPOR LOW PRESSURE LIQUID HIGH PRESSURE LIQUID HIGH PRESSURE VAPOR X EXPANSION VALVE x x CONDENSER COMPRESSOR HEAT EXCHANGER RECEIVER DRIER EVAPORATOR HARVEST SOLENOID VALVE STRAINER HARVEST SOLENOID VALVE EXPANSION VALVE EXPANSION VALVE ...

Page 294: ... EVAPORATOR 4 WATER COOLED CONDENSER SCROLL COMPRESSOR RECEIVER HARVEST PRESSURE SOLENOID VALVE HARVEST SOLENOID VALVE HARVEST SOLENOID VALVE HARVEST SOLENOID VALVE HARVEST SOLENOID VALVE EXPANSION VALVE EXPANSION VALVE EXPANSION VALVE EXPANSION VALVE HEAT EXCHANGER HEAT EXCHANGER DRIER ...

Page 295: ...VE VALVE HARVEST PRESSURE REGULATING VALVE H P R SOLENOID VALVE VALVE CHECK VALVE DRIER STRAINER HEAD PRESSURE CONTROL VALVE B R C HIGH PRESSURE VAPOR HIGH PRESSURE LIQUID LOW PRESSURE LIQUID LOW PRESSURE VAPOR x x x REMOTE CONDENSER COMPRESSOR HEAT EXCHANGER RECEIVER DRIER EXPANSION VALVE EVAPORATOR HPR VALVE LLSV CHECK VALVE CHECK VALVE HARVEST SOLENOID VALVE STRAINER HARVEST SOLENOID VALVE HEAD...

Page 296: ...296 Part Number 80 1479 3 7 10 This Page Intentionally Left Blank ...

Page 297: ...Part Number 80 1479 3 7 10 297 This Page Intentionally Left Blank ...

Page 298: ...298 Part Number 80 1479 3 7 10 ...

Page 299: ......

Page 300: ...Manitowoc Ice 2110 South 26th Street P O Box 1720 Manitowoc WI 54221 1720 USA Ph 920 682 0161 Fax 920 683 7589 Visit us online at www manitowocice com 2010 Manitowoc Part Number 80 1479 3 7 10 ...

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