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Manitowoc Indigo ID0302A, Руководство техника

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10 

Part Number STH025 11/16

Operation

Control Panel Features .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 55

Buttons   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 55
Display Panel .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 56

Menu Navigation Overview .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 57

Display Panel Navigation   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 58

Alerts and Messages  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 60

Main Menu .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 61

Machine Info Menu   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 62

Password Entry   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 63

Reset Password To Factory Defaults   .  .  .  .  .  .  .  . 65

Set-Up Menu  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 66

Language  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 67
Time & Date  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 67
Time Configuration .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 69
Units .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 69
Ice Clarity   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 70
LCD Brightness  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 70
Password On  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  71
Edit Password   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 71
Clean Minder .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 71
IAuCS Runtime   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 72
Air Filter .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 72
Water Filter .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 73
LuminIce® Reminder .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 74
Ice Bin Level Sensor   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 75
USB Setup .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 75
Factory Defaults .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 75

Energy Saver Menu   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 76

Ice Program   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 77
Water Miser   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 78
Statistics   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 78

Содержание Indigo ID0302A

Страница 1: ...Part Number STH025 11 16 Indigo Series Air Water Remote Condenser Ice Machines Technician s Handbook ...

Страница 2: ......

Страница 3: ...ntact information for service agents in your area This equipment contains high voltage electricity and refrigerant charge Installation and repairs are to be performed by properly trained technicians aware of the dangers of dealing with high voltage electricity and refrigerant under pressure The technician must also be certified in proper refrigerant handling and servicing procedures All lockout an...

Страница 4: ...the disconnect means to satisfy local codes Refer to rating plate for proper voltage This appliance must be grounded This equipment must be positioned so that the plug is accessible unless other means for disconnection from the power supply e g circuit breaker or disconnect switch is provided Check all wiring connections including factory terminals before operation Connections can become loose dur...

Страница 5: ...eight of the equipment and product Additionally the equipment must be level side to side and front to back Remove all removable panels before lifting and installing and use appropriate safety equipment during installation and servicing Two or more people are required to lift or move this appliance to prevent tipping and or injury Do not damage the refrigeration circuit when installing maintaining ...

Страница 6: ...Read this manual thoroughly before operating installing or performing maintenance on the equipment Failure to follow instructions in this manual can cause property damage injury or death Crush Pinch Hazard Keep hands clear of moving components Components can move without warning unless power is disconnected and all potential energy is removed Moisture collecting on the floor will create a slippery...

Страница 7: ... chemicals rubber gloves and eye protection and or face shield must be worn DANGER Do not operate equipment that has been misused abused neglected damaged or altered modified from that of original manufactured specifications This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have ...

Страница 8: ... or combustible cleaning solutions for cleaning All covers and access panels must be in place and properly secured when operating this equipment Risk of fire shock All minimum clearances must be maintained Do not obstruct vents or openings Failure to disconnect power at the main power supply disconnect could result in serious injury or death The power switch DOES NOT disconnect all incoming power ...

Страница 9: ...Rejection 24 Installation on a Bin 25 Ice Machine on a Dispenser Installation 25 Lineset Applications 26 Remote Condenser 27 Remote Ice Machine Usage with Non Manitowoc Multi Circuit Condensers 32 Maintenance Cleaning and Sanitizing 37 General 37 Cleaning Sanitizing Procedure 39 Preventative Maintenance Cleaning Procedure 39 Exterior Cleaning 39 Cleaning Sanitizing Procedure 40 Cleaning Procedure ...

Страница 10: ...u 62 Password Entry 63 Reset Password To Factory Defaults 65 Set Up Menu 66 Language 67 Time Date 67 Time Configuration 69 Units 69 Ice Clarity 70 LCD Brightness 70 Password On 71 Edit Password 71 Clean Minder 71 IAuCS Runtime 72 Air Filter 72 Water Filter 73 LuminIce Reminder 74 Ice Bin Level Sensor 75 USB Setup 75 Factory Defaults 75 Energy Saver Menu 76 Ice Program 77 Water Miser 78 Statistics ...

Страница 11: ... 93 Exporting Data to a Flash Drive 95 Operational Checks 97 General 97 Ice Thickness Check 98 Sequence of Operation 101 Self Contained Air or Water Cooled 101 Energized Parts Chart Self Contained Models 105 Remote Condenser 107 Energized Parts Chart Remote Models 111 Troubleshooting Safety Limits 113 Safe Operation Mode 114 Water Assist Harvest 114 Water Thaw Cycle 115 Analyzing Why a Safety Limi...

Страница 12: ... Remote 160 Component Check Procedures Electrical Components 163 Control Board Display Board and Touch Pad 163 Control Board Relay Test 166 Programming A Replacement Control Board 167 Main Fuse 169 Bin Switch 170 Water Level Control Circuitry 173 Ice Thickness Probe Initiates Harvest 179 High Pressure Cutout HPCO Control 184 Fan Cycle Control 187 Thermistors 188 Harvest Assist Air Pump 191 Compres...

Страница 13: ...cing Pressure Controls Without Removing Refrigerant Charge 220 Liquid Line Filter Driers 221 Total System Refrigerant Charge 222 Charts Cycle Times 24 Hour Ice Production Refrigerant Pressure Charts 225 I0300 Series 226 I0320 Series 228 I0450 Series 230 I0500 Series 232 I0520 Series 235 I0600 Series 237 I0850 Series 243 I0906 Series 246 I1000 Series 249 I1106 Series 252 I1200 Series 255 I1400 Seri...

Страница 14: ...air water 272 I0600 I606 I0850 I0906 I1000 I1106 1ph Remote 273 I0600 I606 I0850 I0906 I1000 I1106 3ph Remote 274 I1400 I1406 I1800 1ph air water 275 I1400 I1406 I1800 3ph air water 276 I1400 II1406 1800 1ph Remote 277 I1400 I1406 I1800 3ph Remote 278 I1400 ECM Fan Motor 1PH air 279 I1400 ECM Fan Motor 3PH air 280 Electrical Noise Filter 281 Electronic Control Board 282 Refrigeration Tubing Schema...

Страница 15: ...ined Air Cooled W Self Contained Water Cooled N Remote Air Cooled C CVD Air Cooled DC IB Dice Model YC IB Half Dice 3 Three Phase E WRAS 50 Cycle Only No Indicator 1 Phase VOLTAGE 161 115 60 1 261 208 230 60 1 251 230 50 1 263 208 230 60 3 463 460 60 3 HERTZ 5 50HZ 6 60HZ HP High Pressure Water Regulating Valve P Correctional Model M Marine Model X LuminIce D Factory Use Only Base Model Number Ful...

Страница 16: ...sing a non Manitowoc ice storage system with other Manitowoc ice machines contact the manufacturer to assure their ice deflector is compatible with Manitowoc ice machines Model Serial Number Location These numbers are required when requesting information from your local Manitowoc Distributor service representative or Manitowoc Ice The model and serial number are listed on the OWNER WARRANTY REGIST...

Страница 17: ...06A ID0606W IY0606W ID0696N IY0696N IR0850A ID0852A IY0854A IR0851W ID0853W IY0855W IR0890N ID0892N IY0894N IR0906A ID0906A IY0906A IR0906W ID0906W IY0906W IR0996N ID0996N IY0996N ID1002A IY1004A ID1003W IY1005W ID1092N IY1094N ID1106A IY1106A ID1106W IY1106W ID1196N IY1196N ID1202A IY1204A ID1203W IY1205W ID1402A IY1404A ID1403W IY1405W ID1492N IY1494N ID1406A IY1406A ID1406W IY1406W ID1496N IY14...

Страница 18: ...er Cooled Condenser models Ice Machine Warranty Information For warranty information visit http www manitowocice com Service Warranty Warranty Verification Warranty Registration View and download a copy of the warranty Owner Warranty Registration Card Warranty coverage begins the day the ice machine is installed ...

Страница 19: ...cation NOTE LuminIce and LuminIce II bulbs are not interchangeable verify your model before ordering a replacement bulb Cleanup Procedure for Accidental Bulb Breakage The cleanup procedure is identical to the procedure used to clean up compact fluorescent CFL or fluorescent tube lights These lights contain a small amount of mercury sealed within a glass tube Breaking these types of lights will rel...

Страница 20: ...20 Part Number STH025 11 16 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 21: ...e machine head section must be protected if it will be subjected to temperatures below 32 F 0 C Failure caused by exposure to freezing temperatures is not covered by the warranty See Removal from Service Winterization on page 53 ICE DEFLECTOR An ice deflector is required for all ice machines installed on a bin Installation ...

Страница 22: ... 49 C Ice Making Water Inlet Water Pressure must be at least 20 psi 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 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 ...

Страница 23: ...7 cm 5 12 7 cm I0320 I0520 Self Contained Air Cooled Water Cooled and Remote Top Sides 12 30 5 cm 8 20 3 cm Back 5 12 7 cm 5 12 7 cm I0500 Tropical Rating 230 50 1 Air Cooled Only Top 24 61 cm N A Sides back 12 30 5 cm N A I1200 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 I1400 I1406 I1800 Self Contained Air Cooled W...

Страница 24: ...0 4600 5450 I0320 3300 4500 I0450 5400 6300 I0500 6100 6900 I0520 5400 6300 I0600 I0606 9000 13900 I0850 13000 16000 I0906 12700 14800 I1000 I1106 16250 18600 I1200 20700 24500 I1400 I1406 23500 27000 I1800 30000 35000 BTU Hour Because the heat of rejection varies during the ice making cycle the figure shown is an average ...

Страница 25: ...ut a deflector nWarning PERSONAL INJURY POTENTIAL Do not operate any ice machine with the deflector removed Ice Machine on a Dispenser Installation No deflector is needed for machines that match the size of the dispenser 30 head section on a 30 dispenser unless required by the dispenser manufacturer Adapters are required when a smaller ice machine is going on a larger dispenser 22 machine on a 30 ...

Страница 26: ...modified with a condenser heat reclaim device or other parts or assemblies not manufactured by Manitowoc Ice Caution Recovery locations vary by model Verify you are making the correct connections for your model to prevent accidental release of high pressure refrigerant Importan Manitowoc remote systems are only approved and warranted as a complete new package Warranty on the refrigeration system w...

Страница 27: ...0690N I0696N I0890N JC0895 RT 20 R404A RT 35 R404A RT 50 R404A I0996N I1090N I1196N JC0995 RT 20 R404A RT 35 R404A RT 50 R404A I1490N I1496N I1890N JC1395 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 ...

Страница 28: ...onal Amount of Refrigerant To Be Added To Nameplate Charge I0590N JC0495 1 5 lbs 680g I0690N JC0895 1 5 lbs 680g I0696N JC0895 2 lbs 907g I0890N JC0895 2 lbs 907g I0996N JC0995 2 lbs 907g I1090N JC0995 2 lbs 907g I1196N JC0995 2 lbs 907g I1490N JC1395 2 lbs 907g I1496N JC1395 2 lbs 907g I1890N JC1395 2 lbs 907g ...

Страница 29: ...ise Drop The maximum rise is 35 10 7 m The maximum drop is 15 4 5 m 35 FT 10 7 M MAXIMUM DISTANCE 35 ft 10 7 m Rise The maximum distance the Condenser or Condensing Unit can be above the ice machine 15 FT 4 5 M MAXIMUM DISTANCE 15 ft 4 5 m Drop The maximum distance the Condenser or Condensing Unit can be below the ice machine ...

Страница 30: ...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 calculat...

Страница 31: ...asured Rise ____ X 1 7 ______Calculated Rise 35 ft Max Step 2 Measured Drop ____ X 6 6 ______Calculated Drop 15 ft Max Step 3 Measured Horizontal Distance _________Horizontal 100 ft Max Distance Step 4 Total Calculated Distance ________Total Calculated 150 ft Max Distance ...

Страница 32: ...fications ARI certified standard ratings only apply when used with a Manitowoc remote condenser If the design of the condenser meets the specifications Manitowoc s only approval is for full warranty coverage to be extended to the Manitowoc manufactured part of the system Since Manitowoc does not test the condenser in conjunction with the ice machine Manitowoc will not endorse recommend or approve ...

Страница 33: ...e on during the complete ice machine freeze cycle do not cycle on fan cycle control The ice maker has a condenser fan motor circuit for use with a Manitowoc condenser It is recommended that this circuit be used to control the condenser fan s on the multi circuit condenser to assure it is on at the proper time Do not exceed the rated amps for the fan motor circuit listed on the ice machine s serial...

Страница 34: ...rigerant charge total system charge located in the ice maker section Remote condensers and line sets are supplied with only a vapor charge CAUTION Never add more than nameplate charge to ice machine for any application Quick Connect Fittings The ice machine and line sets come with quick connect fittings It is recommended that matching quick connects available through Manitowoc Distributors be inst...

Страница 35: ... 0 020 0 035 Design 500 psig 3447 kpa 34 7 bar Burst 2500 psig 17237 kpa 172 37 bar coupling P N 8360353 coupling P N 8360343 P N 8368093 i0690 I0696 R404A 6 5 lbs 9000 13900 0 045 0 060 i0890 R404A 8 5 lbs 13000 16000 0 045 0 060 i0990 I0996 R404A 7 lbs 13000 16000 0 045 0 060 i1090 i1190 I1196 R404A 8 5 lbs 16250 18600 0 045 0 060 i1490 I1496 R404A 11 lbs 23500 27000 0 085 0 105 mounting flange ...

Страница 36: ...36 Part Number STH025 11 16 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 37: ...itize the ice machine every six months for efficient operation If the ice machine requires more frequent cleaning and sanitizing consult a qualified service company to test the water quality and recommend appropriate water treatment An extremely dirty ice machine must be taken apart for cleaning and sanitizing Manitowoc Ice Machine Cleaner and Sanitizer are the only products approved for use in Ma...

Страница 38: ...n of Federal law to use these solutions in a manner inconsistent with their labeling Read and understand all labels printed on bottles before use Caution Do not mix Cleaner and Sanitizer solutions together It is a violation of Federal law to use these solutions in a manner inconsistent with their labeling nWarning Wear rubber gloves and safety goggles and or face shield when handling Ice Machine C...

Страница 39: ...nitiation and completion of a clean or sanitize cycle after which the ice machine automatically starts ice making again EXTERIOR CLEANING Clean the area around the ice machine as often as necessary to maintain cleanliness and efficient operation Wipe surfaces with a damp cloth rinsed in water to remove dust and dirt from the outside of the ice machine If a greasy residue persists use a damp cloth ...

Страница 40: ...nted on bottles before use CLEANING PROCEDURE Caution Do not mix Cleaner and Sanitizer solutions together It is a violation of Federal law to use these solutions in a manner inconsistent with their labeling nWarning Wear rubber gloves and safety goggles and or face shield when handling Ice Machine Cleaner or Sanitizer Ice machine cleaner is used to remove lime scale and mineral deposits Ice machin...

Страница 41: ...lt Caution Never use anything to force ice from the evaporator Damage may result Step 2 Remove all ice from the bin dispenser Step 3 Press the clean switch Water will flow through the water dump valve and down the drain Wait until the water trough refills and the display indicates add solution approximately 1 minute then add the proper amount of ice machine cleaner Model Amount of Cleaner I0300 I0...

Страница 42: ...l for your ice machine Continue with step 6 when the parts have been removed Single Evaporator Ice Machines page 48 Step 6 Mix a solution of cleaner and lukewarm water Depending upon the amount of mineral buildup a larger quantity of solution may be required Use the ratio in the table below to mix enough solution to thoroughly clean all parts Solution Type Water Mixed With Cleaner 1 gal 4 L 16 oz ...

Страница 43: ...rfaces 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 SANITIZING PROCEDURE Step 9 Mix a solution of sanitizer and lukewarm water Solution Type Water Mixed With Sanitizer 3...

Страница 44: ...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 12 Replace all removed components Step 13 Wait 20 minutes Step 14 Reapply power to the ice machine and press the Clean button ...

Страница 45: ... by pouring between the water curtain and evaporator Model Amount of Sanitizer I0300 I0320 I0520 3 ounces 90 ml I0450 I0500 I0600 I0606 I0850 I0906 I1000 I1106 I1200 3 ounces 90 ml I1400 I1406 I1800 6 ounces 180 ml Step 16 Select Auto Ice On press the Checkmark and close and secure the front door The ice machine will automatically start ice making after the sanitize cycle is complete approximately...

Страница 46: ... Remove the water trough Depress tabs on right and left side of the water trough Allow front of water trough to drop as you pull forward to disengage the rear pins C Remove the water level probe Pull the water level probe straight down to disengage Lower the water level probe until the wiring connector is visible Disconnect the wire lead from the water level probe Remove the water level probe from...

Страница 47: ...ss control wiring from the control board E 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 joint Disassemble distributio...

Страница 48: ... of Manitowoc ice machine cleaner and water 2 ounces of cleaner to 16 ounces of water in a container 2 Clean all probe surfaces including all plastic parts do not use abrasives Verify all surfaces are clean Thoroughly rinse probes with clean water 3 Reinstall probe then sanitize the ice machine and bin dispenser interior surfaces ...

Страница 49: ...ter flow into the machine Watch for water flow When the ice machine is on the water inlet valve must allow the proper water flow through it Press the Power button to energize the ice machine 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 nWarning Disconnect the electric power to the ice machine and dispenser...

Страница 50: ...tton and stop ice making 3 While the ice machine is in the freeze mode check the water trough to determine if the dump valve is leaking If there is no or little water in the water trough during the freeze cycle the dump valve is leaking A If the dump valve is leaking remove disassemble and clean it B If the dump valve is not leaking do not remove it Instead follow the Ice Machine Cleaning Procedur...

Страница 51: ...fects and removes algae and slime NOTE Although not required and dependant on your installation removing the ice machine top cover may allow easier access 1 Ice must not be on the evaporator during the clean sanitize cycle Follow one of the methods below Press the power switch at the end of a harvest cycle after ice falls from the evaporator s Press the power switch and allow the ice to melt Cauti...

Страница 52: ...1 minute then add the proper amount of ice machine cleaner Model Amount of Cleaner I0300 I0320 I0520 3 ounces 90 ml I0450 I0500 I0600 I0606 I0850 I0906 I1000 I1106 I1200 5 ounces 150 ml I1400 I1406 I1800 9 ounces 265 ml 4 Select Auto Ice On press the Checkmark and close and secure the front door The ice machine will automatically start ice making after the clean cycle is complete approximately 24 ...

Страница 53: ...edure below AIR COOLED ICE MACHINES 1 Press the power button 2 Turn off the water supply 3 Remove the water from the water trough 4 Disconnect and drain the incoming ice making water line at the rear of the ice machine 5 Energize the ice machine and wait one minute for the water inlet valve to open 6 Blow compressed air in both the incoming water and the drain openings in the rear of the ice machi...

Страница 54: ...ned Air Cooled Ice Machines 2 Disconnect the incoming water and drain line from the water cooled condenser 3 Energize the ice machine in the freeze cycle The increasing refrigerant pressure will open the water regulating valve 4 Blow compressed air through the condenser until no water remains ...

Страница 55: ...anel offers a series of pressure sensitive buttons and a four line interactive display panel BUTTONS Power Button Powers the ice machine when in the On Off Mode The ice machine can also be programmed to automatically power on and off in two Energy Saver modes Cleaning Button Initiates a cleaning cycle Refer to the Maintenance section for details Operation ...

Страница 56: ...derline within a line of settings NOTE The Right arrow can also be used on many screens interchangeably with the checkmark to make a selection Up and Down Arrows Move the highlight brackets up one line or down one line Checkmark Makes a selection and or moves to the next screen or line and is used like an enter button DISPLAY PANEL The LCD display panel is 16 characters wide and four lines deep Du...

Страница 57: ...nstall Date Manufacture Date Main Software Version Display Software Version Exit Language Time Date Time Config Units Ice Clarity LCD Brightness Password On Edit Password Clean Minder AuCS Run Time Air Filter Water Filter LUMINICE Ice Bin Sensor USB Setup Exit Ice Program Water Miser Statistics Exit Data History Real Time Data Diagnostics Manual Harvest Replace Control Board USB Setup Event Log Ex...

Страница 58: ...g the Down or Up arrow Move the brackets down from the fourth line to view more of the menu displayed Arrows Two kinds of arrows give cues to additional information symbols show that another screen is available by pressing Checkmark or while a line is highlighted and symbols indicate the limits of the screen viewed NOTE Another cue to the length of a menu screen is that Exit is the last item 07 24...

Страница 59: ... and Left arrows Use the Checkmark to move the cursor down one line Exit and re enter the screen to start again at the top Mo Day Yr Day Mo Yr 12 Hour 24 Hour Selections When parentheses appear they indicate a selection is available by pressing Checkmark while the line is highlighted If the choice is exclusive selecting it with the Checkmark will uncheck another selection That is in the above Time...

Страница 60: ...the Left arrow A list of alerts will appear in the display 2 Choose the alert you wish to address by moving the highlight brackets with the Down arrow 3 Press Checkmark again A screen appears with the date time and total number of times an alert has occurred Pressing the Down arrow will list some possible causes for the alert At the bottom of the screen you will be able to clear the alert by press...

Страница 61: ...Home screen press the Menu button to enter the Main menu where you can choose to see machine information make setup changes set the Energy Saver mode or enter the Service Menu Machine Info Set Up Energy Saver Factory Defaults Service Exit Main Menu ...

Страница 62: ...ial number warranty installation date date of manufacture and software version Use the Down arrow to highlight an item and use the Checkmark to view the information Press the Left arrow to return to previous screens Machine Info Menu 90 70 capacity Model Ice Machine Head Serial Condenser Serial Warranty Machine Evaporator Compressor Install Date Manufacture Date Main Control Board Software Version...

Страница 63: ... Down arrow to highlight setup and press the Right arrow 3 Use the Down arrow to highlight Password ON and press the Right arrow 4 Press the Right arrow again with Enter Passwrd highlighted and a cursor will flash 5 Use the Up Down arrows to enter the factory password 1 2 3 4 Enter the number 1 in the flashing cursor first digit of the factory password 6 Press the right arrow to move to the next c...

Страница 64: ...t Password and press the Right arrow 4 Using the Up Down arrows enter the first digit of the factory password in the flashing icon 5 Press the right arrow to move to the next cell and use the Up Down arrows to add the number 2 Repeat this process to add 3 4 6 When the last number is entered press the Checkmark button 7 Follow steps 4 5 and enter your 4 digit password 8 When the last number is ente...

Страница 65: ...ighlight Fact Deflts 2 Press the Checkmark two times to reset the ice machine The display will return to the Set Up menu Setting Default Language English Time Configuration Mo Day Yr 24 Hour Units Fahrenheit Lbs Gallons Ice Clarity Off LCD Brightness Level 2 Password Off Enter Password Default Password 1234 Edit Password Off Edit Password Clean Minder Off AuCS RunTime Off Air Filter Minder Off Wat...

Страница 66: ...e Checkmark Select and customize machine settings on this menu Press the Left arrow to return to previous screens Set Up Language Time Date Time Configuration Units Ice Clarity LCD Bright Password On Edit Password Clean Minder AuCS RunTime Air Filter Water Filter LUMINICE Ice Bin Sensor USB Setup Exit Set Up Menu ...

Страница 67: ... 3 When the check reflects your preference use the Down arrow to navigate to Exit and press the Checkmark The display will return to the Set Up menu TIME DATE When the ice machine is installed the correct time and date needs to be set for its location Mo Day Yr Day Mo Yr 12 Hour 24 Hour Set the Time and Date 1 Press the Menu button 2 Press the Down arrow until Set Up is highlighted bracketed 3 Pre...

Страница 68: ...r Down arrow adjust the day if necessary 8 When the correct day appears use the Right arrow to move the blinking cursor to year 9 Using the Up or Down arrow adjust the year if necessary 10 When the correct year appears press the Checkmark Use the Right arrow to move the blinking cursor to hour 11 Using the Up or Down arrow adjust the hour if necessary 12 When the correct hour appears use the Right...

Страница 69: ...cks reflect your preference use the Down arrow to navigate to Exit and press the Checkmark The display will return to the Set Up menu UNITS 1 From the Set Up menu use the Down arrow to highlight Units 2 Press the Checkmark On this screen you can choose whether the ice machine will display measurements in Celsius or Fahrenheit kilograms or pounds and gallons or liters by highlighting your choice of...

Страница 70: ...n choose to turn the ice clarity feature ON or OFF by highlighting your choice and pressing the Checkmark Selecting one will deselect the other 3 When the check reflects your preference use the Down arrow to navigate to Exit and press the Checkmark The display will return to the Set Up menu LCD BRIGHTNESS Here the brightness of the LCD display can be adjusted 1 From the Set Up menu use the Down ar...

Страница 71: ...m current password 3 Enter new password and press the Checkmark 4 Press the Left arrow to return to previous screens and to the Set Up menu CLEAN MINDER Clean Minder is a feature that displays a cleaning reminder at a set time interval 1 From the Set Up menu use the Down arrow to highlight Clean Minder 2 Press the Checkmark On this screen you can choose to turn the reminder ON or OFF by highlighti...

Страница 72: ...ting Set Interval and pressing the Checkmark 4 Press the Left arrow to return to previous screens and to the Set Up menu AIR FILTER The ice machine has a feature that displays a clean air filter reminder at a set time interval 1 From the Set Up menu use the Down arrow to highlight Air Filter 2 Press the Checkmark On this screen you can choose to turn the reminder to AUTO or OFF by highlighting you...

Страница 73: ...croll down to exit and press the Checkmark 3 You can also choose to turn the reminder to AUTO NONE or OFF by highlighting your choice and pressing the Checkmark Selecting one will deselect the other Selecting Auto sets the reminder based on water usage for the selected filter Selecting None will turn off the reminder Selecting Off sets the timer to the selected reminder time 2 weeks to 6 months 4 ...

Страница 74: ...ure that displays a reminder to change its bulb every 12 months 1 From the Set Up menu use the Down arrow to highlight LuminIce Minder 2 Press the Checkmark On this screen you can choose to turn the reminder to AUTO or OFF by highlighting your choice and pressing the Checkmark Selecting one will deselect the other 3 When the check reflects your preference use the Down arrow to navigate to Exit and...

Страница 75: ...ct the other When the check reflects your preference use the Down arrow to navigate to Exit and press the Checkmark The display will return to the Set Up menu USB SETUP Refer to Upgrading Firmware with a Flash Drive and Exporting Data to a Flash Drive for more information on this setting Flash drives must be correctly sized and formatted 2 gigabytes or smaller Fat 32 file system 512 allocation uni...

Страница 76: ...arrow to navigate to Energy Saver and press the Checkmark Set up an energy saving ice program enable the Water Miser and view usage statistics from this menu Press the Left arrow to return to previous screens Energy Saver Ice Program Water Miser Statistics Exit Energy Saver Menu ...

Страница 77: ...hlighting your choice and pressing the Checkmark Selecting one will deselect the other If one of them is selected and you wish to turn both off highlight the choice and press Checkmark again 3 If none of the programs are selected highlighting Settings and pressing the Checkmark will select the times bin level or pounds of ice per day If one of the programs is selected highlight Settings and press ...

Страница 78: ... OFF by highlighting your choice and pressing the Checkmark Selecting one will deselect the other 3 Use the Down arrow to navigate to Exit and press the Checkmark to return to the Energy Saver menu STATISTICS 1 From the Energy Saver menu use the Down arrow to highlight Statistics 2 Press the Checkmark Choose to view ice usage or potable water and energy statistics by highlighting your choice and p...

Страница 79: ...u The following pages list the navigation options available by drilling into the menus with the Right arrow Service Data History 00000000 00000000 00000000 00000000 00000000 00000000 Lifetime Exit RealTime Data Time Temp Inputs Outputs Exit Diagnostics Control Board Temp Sensors Inputs Exit Man Harvest Hrvst Started Exit Repl Cntl Bd Manual Setup USB Setup Exit USB Setup USB Stick Exit Event Log V...

Страница 80: ...Cnt Bd USB Setup Current Day Current Day 1 Current Day 2 Current Day 3 Current Day 4 Current Day 5 Lifetime Control Board Temp Sensors Input Time Temp Inputs Outputs Harvest Started Manual Setup USB Setup Event Log Download Frm Download Cnf Export ALL Export Setup View E Log Clear E Log USB Stick ...

Страница 81: ... the available information For each of the dates use the Checkmark to view Minimum Freeze Maximum Freeze Minimum Harvest Maximum Harvest Maximum Temperature Delta T3 T4 Delta T3 T4 RunTime Ice Production Cycle Count Potable Water Clean Cycles Exit For Lifetime use the Checkmark to view Install Date Control Board Replacement Date Control Board DOM Date Of Manufacture RunTime Cycle Count Potable Wat...

Страница 82: ... stage of cycle Time T1 Thermistor Temperature T2 Thermistor Temperature T3 Thermistor Temperature T4 Thermistor Temperature T3 T4 Delta Temperature 100 hz 120 hz Exit Inputs Status Off On Displays stage of cycle Curtain Switch 1 Curtain Switch 2 LPCO Switch HPCO Switch Bin Level Low Optional Bin Level Probe Status Bin Level Medium Optional Bin Level Probe Status Bin Level High Optional Bin Level ...

Страница 83: ... Outputs Status Off On Displays stage of cycle Water Pump Off On Hot Gas Valve 1 Off On Hot Gas Valve 2 Off On Air Pump Off On Water Valve Off On Dump Valve Off On Compressor Control Off On AuCS Relay Off On Ionic Cln Off On Exit ...

Страница 84: ...Thermistor Temperature T2 Thermistor Temperature T3 Thermistor Temperature T4 Thermistor Temperature Exit Inputs Curtain Switch 1 Closed Open Curtain Switch 2 Closed Open LPCO Switch Closed Open HPCO Switch Closed Open Bin Level Low Optional Bin Level Probe Closed Open Bin Level Medium Optional Bin Level Probe Closed Open Bin Level High Optional Bin Level Probe Closed Open Sensing Ice No Yes Water...

Страница 85: ...rol board refer to Exporting Data to a Flash Drive on page 99 or entered manually through the Indigo interface Manual Setup Board Install Date Input Model Number Input Serial Number Condenser condensing unit serial number USB Setup Insert Drive Press Checkmark and wait for completion Exit USB SETUP USB Stick Download Firmware Insert drive and wait for completion Download Configuration Insert drive...

Страница 86: ...when it occurred and how many times Use the Down arrow to view information on subsequent event codes For more information on event codes see Service Menu Use the Left arrow to return to the Event Log menu To clear the event log In the Event Log Menu use the Down arrow to highlight Clear ELog and press the Checkmark Press the Left arrow to return to previous screens Event Log View ELog Clear ELog E...

Страница 87: ...ault E12 Curtain Switch Fault E Board Open more than 12 hours G Board after Revision 4 017 Open more than 24 hours E13 Spare E14 Spare E15 Fan Cycle Control Fault Lo Liquid Line Temperature E16 Remote Condensing Unit Fault ICVD Only E17 Spare E18 Spare E19 Ice Thickness Probe Fault E20 Water System Fault E21 T1 Temperature Sensor Issue E22 T2 Temperature Sensor Issue E23 T3 Temperature Sensor Issu...

Страница 88: ...ure cutout switch HPCO opened 3 times in 4 hour period E06 Spare E07 Starving TXV Starving Evaporator for single TXV or low on charge 10 consecutive occurrences where the Difference of the Av erage evaporator inlet T3 and outlet T4 is greater than 12 F in the last 1 minute of the freeze cycle ELOG E07 E08 TXV Fault Air Water Only TXV malfunction in dual circuit single evaps TXV Fault E09 Flood Eva...

Страница 89: ...ensing Unit only If the liquid line temperature drops below 40 F or exceeds 140 F for more than 1 continuous minute during the freeze cycle E17 Spare E18 Spare E19 ITP Fault Ice Probe ITP The monitored Frequencies is out of the appropriate range Probe unplugged or proble m with microphone E20 WTR Fault Water System Fault Any of the following 1 Sensing high water probe and not low water probe Water...

Страница 90: ... When the AUCS clean option is selected from the menu the control checks for the presence of the AUCS board and if the AUCS is not connected it will signal an Ev ent AUCS This will be cleared as soon as the hardware is detected E29 USB COMM USB Comm Event Log only No Alarm USB Communication error no USB drive in port or defective USB drive E30 USB DNLD USB download error dlnd Event Log only No ala...

Страница 91: ...ws Vista Computers 1 Insert USB flash drive your computer may indicate Found New Hardware follow the prompts to install the USB flash drive USB flash drive may auto play Close auto play window 2 Press Windows Key and E key simultaneously to access windows explorer 3 Right click on your USB Flash Drive 4 Left click on Format 5 Verify or select the settings below USB flash drive capacity 2 GB or les...

Страница 92: ...n OK Left click on Disk Management 3 Verify USB flash drive capacity is 2 GB or less 4 Right click on the USB flash drive then left click on Format from the drop down list 5 Verify or select the settings below Volume Label is Optional Rename if desired File System Fat32 Allocation Unit Size must be 512 MB Deselect Perform A Quick Format no checkmark 6 Left click on OK you will receive a warning Fo...

Страница 93: ...o a flash drive 2 Ensure that the ice machine s power is on 3 Press the Menu button 4 Press the Down arrow until Service is highlighted 5 Press the Checkmark The Service menu will be displayed USB Setup USB Stick Download Frm 6 Press the Down arrow until USB Setup is highlighted 7 Press the Checkmark USB Stick will appear highlighted 8 Press the Checkmark again A submenu with Download Frm Download...

Страница 94: ...Inlet Valve Right Harvest Valve Left Harvest Valve Dump Valve Relay Lights V C LPC HPC1 HPC2 CVD Contactor Control Board 10 Follow the on screen instructions A Insert Drive Insert the flash drive into the USB port on the ice machine s control board B Press Check Press the Checkmark Do not remove flash drive touch display buttons or remove power while firmware is updating C The display will return ...

Страница 95: ...s or as an aid to troubleshooting The data files are small and can be attached to an email Importan The flash drive must be formatted before using Refer to page 95 USB Flash Drive Specifications and Formatting All files and data are deleted during the formatting process 1 Ensure that the ice machine s power is on 2 Press the Menu button 3 Press the Down arrow until Service is highlighted 4 Press t...

Страница 96: ...s will be programmed with the same user specified settings Select Export All if you are installing a replacement board 7 Highlight Export ALL or Export Setup depending on your requirements and press the Checkmark A display of instructions will appear 8 Follow these on screen instructions to A Insert Drive Insert the flash drive into the USB port on the ice machine s control board B Press Check Pre...

Страница 97: ...e proper operation always follow the Operational Checks when starting the ice machine for the first time after a prolonged out of service period after cleaning and sanitizing NOTE Routine adjustments and maintenance procedures are not covered by the warranty Importan Refrigeration compressors must be operated for a minimum break in period of 24 hours before full ice production will be reached ...

Страница 98: ...stment then replace immediately after the adjustment is made 1 Inspect the bridge connecting the cubes It should be about 1 8 in 3 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 9 32 gap between the ice thickness probe and evaporator as a starting point Then adjust to ...

Страница 99: ...mber STH025 11 16 99 1 8 3 mm ICE BRIDGE THICKNESS PLACE 9 32 7MM DRILL BIT HERE TO SET INITIAL GAP Ice Thickness Check NOTE Turning the adjustment 1 3 of a turn will change the ice thickness about 1 16 1 5 mm ...

Страница 100: ... minutes at which time the control board automatically initiates a harvest sequence Firmware 5 009 or earlier Maximum freeze time is 60 minutes at which time the control board automatically initiates a harvest sequence The maximum harvest time is 7 minutes the control board will preform a water thaw cycle and then return the ice machine to the freeze cycle Firmware 5 009 or earlier The maximum har...

Страница 101: ... energize to purge the ice machine of old water This feature ensures that the ice making cycle starts with fresh water 2 Refrigeration System Equalization and Start Up The harvest valve s and air pump s energize to equalize high and low side refrigeration pressure After 5 seconds the contactor energizes the compressor and supplies power to the condenser fan motor After 5 seconds the harvest valve ...

Страница 102: ...valve from energizing after two 6 minute water fill time limits After water contacts the low and high water probes the water fill valve de energizes Ice builds on the evaporator and the water level drops When water loses contact with the high water probe the water fill valve energizes until water contacts the high water probe again Ice Thickness Probe The freeze cycle continues until the six minut...

Страница 103: ...o purge the water in the water trough 6 Harvest The air pump when used remains energized and the harvest valve s remains open 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 opens the water curtain ice damper and bin switch The momentary opening and re closing of the bin switch terminates the harv...

Страница 104: ...pen for 30 seconds 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 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 rest...

Страница 105: ...tor Coil Compressor Condenser Fan Motor Length of Time Start Up 1 Water Purge 2 Refrigeration System Start up A Pressure Equalization On Off Off Off On Off Off Off 45 Seconds Off On On Off Off Off Off Off 5 Seconds B Compressor Startup Off On On Off Off On On On 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 120 Sec...

Страница 106: ...ength of Time 4 Freeze On Off Off Cycles Off then On two more times Off On On May Cycle On Off Until Ice Contact w Ice Thickness Probe Harvest Sequence 5 Water Purge 6 Harvest On On On Off On On On May Cycle On Off Factory Set at 45 Seconds Off On On Off Off On On May Cycle On Off Bin Switch Activation 7 Automatic Shut Off Off Off Off Off Off Off Off Off Until 3 Minute Delay Expires and Bin Switch...

Страница 107: ...r pump 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 2 Refrigeration System Equalization and Start Up The harvest valve air pump s and harvest pressure regulating HPR solenoid valves energize to equalize high and low side refrigeration pressure After 5 seconds the liquid l...

Страница 108: ... from energizing after two 6 minute water fill time limits After water contacts the low and high water probes the water fill valve de energizes Ice builds on the evaporator and the water level drops When water loses contact with the high water probe the water fill valve energizes until water contacts the high water probe again Ice Thickness Probe The freeze cycle continues until the six minute fre...

Страница 109: ...water in the water trough 6 Harvest The harvest valve air pump s and harvest pressure regulating HPR solenoid valves remain energized 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 opens the water curtain ice damper and bin switch The momentary opening and re closing of the bin switch termina...

Страница 110: ... curtain ice damper is held open for 30 seconds 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 ice damper As the water curtain ice damper closes the bin switch the ice machine restarts steps 1 2 provided the ...

Страница 111: ...actor Coil Liquid Line Solenoid Compressor Condenser Fan Motor Length of Time Initial Start Up 1 Water Purge 2 Refrigeration System Start up A Equalization On Off Off Off On Off Off Off 45 Seconds Off On On Off Off Off Off Off 5 Seconds B Compressor Startup Off On On Off Off On On On 5 Seconds Freeze Sequence 3 Prechill Off Off Off May Cycle On Off during pre chill Off On On On Initial Start Up is...

Страница 112: ...olenoid Compressor Condenser Fan Motor Length of Time 4 Freeze On Off Off Cycles Off then On two more times Off On On On Until Ice Contact w Ice Thickness Probe Harvest Sequence 5 Water Purge 6 Harvest On On On Off On On On On Factory Set at 45 Seconds Off On On Off Off On On On Bin Switch Activation 7 Automatic Shut Off Off Off Off Off Off Off Off Off Until 3 Minute Delay Expires and Bin Switch R...

Страница 113: ...ute freeze cycles occur the ice machine stops Firmware 5 009 or earlier 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 If the harvest time reaches 7 minutes the control board will start a water thaw cycle and automatically return the ice machine to the freeze cycle A...

Страница 114: ...lly exit the safe mode if a normal signal is received from the input After 72 hours the control board will enter a standby mode and turn off The control board needs a five cycle history to operate safe mode If five cycles have never been successfully completed the ice machine will shut off WATER ASSIST HARVEST FIRMWARE VERSION 5 010 AND HIGHER When the damper curtain does not open within 3 5 minut...

Страница 115: ... refilled to the high water level probe 18 times approximately 1 hour Model 1200 or smaller Circulate 165 seconds dump 45 seconds Model 1400 and larger Circulate 240 seconds dump 120 seconds At the end of the thaw cycle the ice machine will start another freeze cycle approximately 1 1 75 hour Curtain Operation In Water Assist Harvest Open close damper Continue Thaw Cycle Open damper 30 seconds Ful...

Страница 116: ... Eliminate all electrical components and external causes first If it appears that the refrigeration system is causing the problem use Manitowoc s Freeze Cycle Refrigeration System Operational Analysis Table along with detailed charts checklists and other references to determine the cause The following checklists are designed to assist the service technician in analysis However because there are ma...

Страница 117: ...s probe out of adjustment Harvest cycle not initiated electrically Contactor not energizing Compressor electrically non operational Defective fan cycling control Defective fan motor Miscellaneous Non Manitowoc components Improper refrigerant charge Defective head pressure control Defective harvest valve Defective compressor TXV starving or flooding check bulb mounting Non condensible in refrigerat...

Страница 118: ...ater freezing behind evaporator Plastic extrusions and gaskets not securely mounted to the evaporator Clogged water distribution tube Electrical System Ice thickness probe out of adjustment Bin switch closed defective Premature harvest The control board initiates a harvest cycle when the high water level probe circuit is complete and the low water level probe is open Refrigeration System Non Manit...

Страница 119: ... machine is in Ice Making cycle or Has a History of Shutting Down Refer to Ice Machine Stops Running Flow Chart SYMPTOM 2 Ice Machine has a Long Freeze Cycle Ice Formation is Thick or Thin Ice Fill on Inlet or Outlet of Evaporator or Low Production Safety Limit 1 possible Refer to Freeze Cycle Refrigeration System Operational Analysis Table SYMPTOM 3 Ice Machine Will Not Harvest Freeze Cycle is No...

Страница 120: ...lts do one of the following A Copy settings to a usb device and flash settings into the control board when diagnostics are complete B Write down any customer settings so they can be re entered when diagnostics are complete This procedure also resets the password to the factory default The default factory password is 1234 To reset the ice machine to factory defaults refer to Password Entry on page ...

Страница 121: ...ard diagnostics Is there an Alert or Error Logged Refer to Alert Error Log Yes No No No Does the ice machine start when the Power button is pushed Yes Are there any lights on or flashing on the control board No Refer to display control board diagnostics Cycle Power to Board are lights flashing Display light Flashing No Unit has adequate ground Install Ground No No Yes Yes Yes Yes ...

Страница 122: ... Yes Yes No Yes No Install the water curtain damper All water curtains or dampers in place Line voltage at wires 55 56 on 9 pin control board connector Supply power to the ice machine Yes No Yes Replace fuse determine which component caused fuse to blow Refer to display control board diagnostics No No ...

Страница 123: ...net on the water curtain damper Yes Replace the water curtain damper No Yes Ice machine starts No No Test run ice machine Yes Which light flashes Yes Yes Refer to Safety Limit 2 long harvest cycle Refer to Safety Limit 1 long freeze cycle Refer to bin switch diagnostics Refer to display control board diagnostics ...

Страница 124: ...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 column NOTE Before starting see Before Beginning Service for a few questions to ask when talking to the ice machine owner PROCEDURE Step 1 Complete the Operation Analysis column Read down the left Operational Analysis column Perform all procedures ...

Страница 125: ...re Beginning Service Ice machines may experience operational problems only during certain times of the day or night A machine may function properly while it is being 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 ic...

Страница 126: ...g properly if the ice fill patterns is normal and ice production is within 10 of charted capacity Installation and Water System Reference Water System Checklist on page 136 All installation and water related problems must be corrected before proceeding with chart Ice Formation Pattern Reference Ice Formation Pattern on page 137 Ice formation is extremely thin on outlet of evaporator or No ice form...

Страница 127: ...charge pressure problem checklist page 140 to eliminate problems and or components not listed on this table before proceeding Freeze Cycle Suction Pressure ________ _______ ______ 1 minute Middle End If suction pressure is High or Low refer to freeze cycle high or low suction pressure problem checklist page 144 to eliminate problems and or components not listed on this table before proceeding Suct...

Страница 128: ...____ F C Difference T3 T4 ____________ F C Reference Comparing Evaporator Inlet and Outlet Temperatures Self contained Remote Condenser Single Expansion Valve Machines on page 147 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 not within 7 F 4 C of each...

Страница 129: ...Hot The harvest valve inlet is Cool enough to hold hand on and the compressor discharge line is Cool enough to hold hand on The harvest valve inlet is Cool enough to hold hand on and the compressor discharge line is Hot Discharge Line Temperature Record freeze cycle discharge line temperature at the end of the freeze cycle T2 _________ F C Reference Discharge Line Temperature Analysis on page 150 ...

Страница 130: ... checked in each column Reference Final Analysis Self contained Air Water Remote Condenser Models on page 152 Harvest Valve Leaking Low On Charge Or TXV Starving TXV Flooding Compressor The following are the procedures for completing each step of the Freeze Cycle Refrigeration System Operational Analysis Tables Each procedure must be performed exactly for the table to work correctly ...

Страница 131: ...within 10 of charted capacity Installation and Water System All installation and water related problems must be corrected before proceeding with table Ice Formation Pattern Top or 1 Side_________ Bottom or 1 Side_________ Ice formation is extremely thin on outlet of evaporator or No ice formation on one side or Top or Bottom of evaporator Ice formation is extremely thin on outlet of one side or To...

Страница 132: ... low suction pressure problem checklist page 144 to eliminate problems and or components not listed on this table before proceeding Suction pressure is High Suction pressure is Low or Normal Suction pressure is High Suction pressure 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 approac...

Страница 133: ... _________ F C Discharge line temp 150 F 65 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 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 Ch...

Страница 134: ...Air temp around ice machine ____ Water temp entering sump trough ____ 2 Refer to the appropriate 24 Hour Ice Production Chart starting on page 223 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...

Страница 135: ...ion 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 ...

Страница 136: ...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 Reference Lineset Applications on page 34 ...

Страница 137: ...5 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 valve...

Страница 138: ...tor surface At the beginning of the Freeze cycle it may appear that more ice is forming on the inlet of the evaporator 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 ...

Страница 139: ...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 Formation The ice machine operates for an extended period but there is no ice formation at all on the evaporator Evaporator Tubing Routing Routing of the tubing on the back of the evaporator determines the ice fill pattern failure mode One Evaporator One TXV models The e...

Страница 140: ...Fill pattern varies depending on which circuit is affected Extremely Thin at the Evaporator Outlet will first be visible either 1 4 or 3 4 of the way down the evaporator Extremely Thin at the Evaporator Inlet will show at the bottom of the evaporator or 1 2 of the way down depending on the circuit affected Thin at Outlet ICE ICE ICE ICE ICE Outlet Outlet Inlet Inlet ...

Страница 141: ...tor Only one side of the evaporator may be affected depending on failure A TXV failure will usually show on only one side while low on refrigerant can affect one or both sides depending on the amount of refrigerant loss and ambient temperature Extremely Thin at the Evaporator Inlet will show at the bottom of the evaporator Depending on the failure either the entire bottom of the evaporator or one ...

Страница 142: ...e pressures Freeze Cycle ______ Harvest Cycle ______ 3 Perform an actual discharge pressure check Freeze Cycle psig kPa 1 Minute into the Freeze Cycle __________ Middle of Freeze Cycle __________ End of Freeze Cycle __________ 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 publis...

Страница 143: ... air recirculation Defective fan cycling control Defective fan motor Defective head pressure control valve Remote 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 type of refrigerant Non Manitowoc comp...

Страница 144: ...sers Defective head pressure control valve won t bypass Head Pressure Control Valve on page 197 Defective fan cycle control stuck closed Fan Cycle Control on page 187 Water Cooled Condensers Water Regulating Valve out of adjustment Water Regulating Valve Defective Other Undercharged Wrong type of refrigerant Non Manitowoc components in system Liquid line component restricted ...

Страница 145: ...ser ______ Air temp around ice machine ______ Water temp entering sump trough ______ 2 Refer to Operating Pressure table starting on page 223 for ice machine being checked Use the operating conditions determined in step 1 to find the published normal discharge pressures Freeze Cycle ______ Harvest Cycle ______ 3 Perform an actual suction pressure check Freeze Cycle psig kPa 1 Minute into the Freez...

Страница 146: ... affecting suction pressure refer to Freeze Cycle Discharge Pressure High Checklist on page 143 Improper Refrigerant Charge Overcharged also see Freeze Cycle Discharge Pressure High Checklist on page 143 Wrong type of refrigerant Non condensable in system Components Harvest valve leaking Harvest pressure solenoid valve leaking TXV flooding Defective compressor Other Non Manitowoc components in sys...

Страница 147: ...fecting low side refer to Freeze Cycle Discharge Pressure Low Checklist on page 144 Improper Refrigerant Charge Undercharged Wrong type of refrigerant Other Non Manitowoc components in system Improper water supply over evaporator refer to Water System Checklist on page 137 Restricted plugged liquid line drier Restricted plugged tubing in suction side or liquid line of refrigeration system TXV star...

Страница 148: ...ng the evaporator vary by model and change throughout the freeze cycle This makes documenting 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 Navigat...

Страница 149: ...ONTAINED OR REMOTE CONDENSER MODELS HARVEST VALVE ANALYSIS 1 Wait five minutes into the freeze cycle 2 Feel the inlet of the harvest valve s Importan Feeling the harvest valve outlet or across the harvest valve itself will not work for this comparison The harvest valve outlet is on the suction side cool refrigerant It may be cool enough to touch even if the valve is leaking 3 Feel the compressor d...

Страница 150: ...let of the harvest valve is hot and approaches the temperature of a hot compressor discharge line Hot Hot Leaking Harvest Valve The harvest valve inlet did not cool down during the freeze cycle due to continual leakage of compressor discharge gas through the valve Both the inlet of the harvest valve and the compressor discharge line are cool enough to touch Cool Cool Harvest Valve Not Leaking The ...

Страница 151: ...condenser and or higher inlet water temperature higher discharge line temperatures at the compressor Lower ambient air temperatures at the condenser and 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 at the end of the freeze cycle PROCEDURE ...

Страница 152: ...quid line entering receiver feels hot Water regulating valve incorrectly set or not opening Insufficient water volume undersized kinked lines mineral or scale buildup in lines 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 on p...

Страница 153: ... water self contained 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 remote models 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 press...

Страница 154: ...the expansion valve to flood Check bulb mounting insulation etc before changing the valve Verify refrigerant amount is correct by weighing recovered refrigerant before replacing a TXV COLUMN 4 COMPRESSOR Replace the compressor To receive warranty credit the compressor ports must be properly sealed by crimping and soldering them closed ...

Страница 155: ...tor by hand Once removed the back of the cubes are square and show no signs of melting This indicates a refrigeration problem The source of the problem could be in the freeze or harvest cycle Use the appropriate flow chart in Troubleshooting to determine the cause of the problem Symptom 4 Melted sheet of cubes at the end of the harvest cycle Ice can be removed rather easily by hand The back of the...

Страница 156: ...tion Normal fill pattern long harvest cycle Possible SL 2 Back of cubes are not melted Discharge line temperature is greater than 150 F at the end of the freeze cycle 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 Replace harvest valve...

Страница 157: ...ze 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 NO ...

Страница 158: ...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 freez...

Страница 159: ...arvest 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 press...

Страница 160: ...tor in the first 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 Refer to Symptom 2 Freeze Cycle Operational Analysis Table START ...

Страница 161: ...e Operational Analysis Table Refer to Heavily Scaled Cleaning Procedure Discharge line temperature is greater than 150 ºF at the end of the freeze cycle Refer to Manual Cleaning Procedure Is the evaporator dirty Dry evaporator first then check YES YES NO NO NO ...

Страница 162: ...162 Part Number STH025 11 16 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 163: ...m Micro light flashes and display light is off 1 Disconnect both ends of the communication cable running between the control board and the back of the display module and inspect for bent or damaged pins Reconnect after inspection 2 Reboot ice machine by disconnecting power for a minimum of 15 seconds reapplying power and checking micro light for normal flashing 3 Press the power button on the disp...

Страница 164: ...down to Service and press right arrow Scroll down to Diagnostics and press right arrow Display reads Control Board press right arrow Display reads Self Check press right arrow to start control board test The control board performs a self test As the test progresses the display will show Checkmarks at the top left of the display screen When the fifth Checkmark appears the display will show Status F...

Страница 165: ...ads Key Pad Test press the right arrow 4 Test the functionality of all buttons on the touch pad NOTE Pushing the power button will start and stop the ice machine Testing it last will allow the ice machine to continue running a freeze cycle As you press the buttons the first letter of the corresponding word will flash indicating the push button is operating correctly or the corresponding arrow or z...

Страница 166: ...ess the right arrow and select Diagnostics Display reads Control Board press right arrow Scroll down to enbl relays and press right arrow to start control board test 3 The control board will energize all relays and the red light next to the relay The red light indicates the relay coil is energized 4 Test for line voltage at the individual components A Line voltage is present and the component is n...

Страница 167: ...ual Setup Applicable when the control board is non operational or data from the faulty board is suspect Install replacement control board and reapply power G series blue control boards will go directly to the Replacement Control Board screen and pause for input Select either Manual or USB setup option E series green control boards require navigation to the Replacement Control Board Repl Cntl Bd sc...

Страница 168: ...indicate the electrical requirements example 261 Press the right arrow until the cursor disappears 6 Scroll down until brackets are in the space below Input Serial Press the right arrow to activate the blinking cursor then use the up down arrows to select the first character in the serial number Use the right arrow to move to the next space Add characters in this manner until the serial number is ...

Страница 169: ... at all times Removing the control board fuse or pressing the On Off button will not remove the power supplied to the control board CHECK PROCEDURE 1 If the display is energized or the bin switch light is on with the water curtain ice dampers closed the fuse is good nWarning Disconnect electrical power to the entire ice machine before proceeding 2 Remove the fuse Check for continuity across the fu...

Страница 170: ...shuts off The ice 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 Importan The water curtain ice dampers must be ON bin switch closed to start i...

Страница 171: ...splays Full Bin Remove Ice in the clean cycle E Control Boards with firmware versions prior to Rev 2 047 The ice machine will not start an ice making cycle and the display indicates Curtain Open The ice machine will run in the clean cycle Bin Switch Fails Closed When running a Long Harvest alert is displayed and safety limit 2 indicated May be off on a safety limit 2 The harvest cycle continues af...

Страница 172: ...h cycles open closed and control board light energizes de energizes Bin switch is operating normally B Curtain switch remains closed and control board light remains on Go to step 3 C Curtain switch remains open and control board light remains off Go to step 3 3 Disconnect bin switch wire from control board 4 Jumper control board bin switch wire to ground press the power button and observe the disp...

Страница 173: ...housing The water level is not adjustable If the water level is incorrect check the water level probe position Reposition or clean the probe as necessary Water Inlet Valve Safety Shut Off In the event of a water level probe failure this feature limits the maximum amount of time the water inlet valve can remain SINGLE EVAPORATOR MODELS Regardless of the water level probe input the control board aut...

Страница 174: ... prechill and up to two times in the freeze cycle Maximum fill time is Single evaporator 12 5 minutes Dual evaporator 16 5 minutes The water inlet valve energizes in the Prechill cycle and will de energize if water touches the high level probe in most instances the water trough can t fill in the prechill cycle and the water inlet valve will remain energized into the freeze cycle The water inlet va...

Страница 175: ...f water continues to flow with power disconnected verify water pressure is below 80 psig before replacing the water inlet valve If the water stops continue with next step Step 3 Check water level probe mounting and verify secure wiring connections at the probe and control board Step 4 Scroll to Service Diagnostics Inputs and press down arrow until Wtr Low and Wtr High are displayed No is displayed...

Страница 176: ...16 Step 5 Disconnect the water level probe wiring harness from the control board and ohm harness and water level probe Normal readings will show no resistance Black Short Probe Red White Ohm water Level Probe and Wiring Harness ...

Страница 177: ... When any measurement fails disconnect the wiring harness from the water level probe and ohm the water level probe with the wiring harness removed from the circuit Results will determine whether the wiring harness or probe will need replacement Short Probe Empty Terminal Ohm Water Level Probe ...

Страница 178: ...oltage at the water inlet valve coil Step 3 Disconnect water level probe observe LCD display text A No is displayed Clean the water level probe and test interconnecting wiring B Yes is displayed Replace the Control Board Step 4 Ohm probe Refer to previous page for procedure WATER LEVEL PROBE CIRCUIT CHECK AT CONTROL BOARD Wait until prechill cycle starts then jumper water level probe connections 2...

Страница 179: ...ature This prevents the ice machine from short cycling in and out of harvest Maximum Freeze Time The maximum freeze time is 35 minutes at which time the control board automatically initiates a harvest sequence Firmware 5 009 or earlier Maximum freeze time is 60 minutes at which time the control board automatically initiates a harvest sequence Maximum Temperature Maximum temperature for the ice thi...

Страница 180: ... 1 Inspect the bridge connecting the cubes It should be about 1 8 in 3 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 9 32 gap between the ice thickness probe and evaporator as a starting point Then adjust to achieve 1 8 ice thickness 3 Make sure the ice thickness prob...

Страница 181: ...s Probe tap test Press the menu button scroll down to Service press the right arrow scroll down to Real Time Data press right arrow With the brackets around Time Temp press the right arrow Scroll down until 100Hz 120Hz are displayed Slowly increasing and decreasing numbers typically in the 200Hz to 300Hz range will display to the right of 100Hz 120Hz Lift the Ice Thickness Probe and continuously t...

Страница 182: ...l board Connect red meter lead to the red wire and the black meter lead to the black wire Normal readings 1 4 to 2 5 KΩ s Reverse leads Connect black meter lead to the red wire red meter lead to the black wire Normal readings 1 2 to 1 5 KΩ s Pass Ohm values are within range Check control board voltage at the ice thickness probe connection Fail Replace ice thickness probe 6 Check control board volt...

Страница 183: ...ycle is complete NOTE Ice must be off the evaporator before starting the procedure 1 Disconnect the ice thickness probe from the control board and turn ice machine off then reboot the control board by disconnecting and reconnecting line voltage to the ice machine 2 Wait six minutes into the freeze cycle timing starts when the water pump energizes Ice Machine cycles into harvest normally Ice machin...

Страница 184: ... Opening the HPCO will cause the control board to initiate a 60 minute delay The display counts down from 60 minutes to 0 minutes at which point the ice machine attempts a restart If the HPCO is closed the ice machine will continue to run If the HPCO remains open after the 60 minute delay or reopens when the compressor starts the ice machine will start another 60 minute delay period 1 Machine is o...

Страница 185: ...ither wait for the delay period to end or start a new freeze cycle by cycling the power button A HPCO is open Another 60 minute delay period starts B HPCO closed A 3 5 minute harvest cycle starts followed by an ice making cycle 4 Run the system to see if the control trips at the rated pressure If HPCO opens at a pressure significantly lower or higher than the control setting of 450 psig replace th...

Страница 186: ...curred 2 If this is a one time event it may be intermittent and caused by conditions around the unit changing For example High ambient temperature water turned off to condenser water cooled unit etc 3 Run the system to see if the control trips at the rated pressure If HPCO opens at a pressure significantly lower than the control setting of 450 psig replace the HPCO 4 If the control opens at the co...

Страница 187: ...6 I0850 I0906 JC0995 250 5 1723 kPa 34 17 23 bar 34 200 5 1517 kPa 34 15 17 bar 34 I1000 I1106 I1200 I1400 I1406 I1800 275 psig 5 1896 kPa 34 18 96 bar 34 225 psig 5 1551 kPa 34 15 51 bar 34 CHECK PROCEDURE 1 Verify fan motor windings are not open or grounded and fan spins freely 2 Connect manifold gauges to ice machine 3 Hook voltmeter in parallel across the fan cycle control leaving wires attach...

Страница 188: ...60 70 98 930 10 20 50 68 98 930 62 015 20 30 68 86 62 015 39 695 30 40 86 104 39 695 25 070 40 50 104 122 25 070 17 481 50 60 122 140 17 481 11 860 60 70 140 158 11 860 8 1900 70 80 158 176 8 1900 5 7530 80 90 176 194 5 7530 4 1015 90 100 194 212 4 1015 2 9735 100 110 212 230 2 9735 2 1885 110 120 230 248 2 1885 1 6290 120 130 248 266 1 6290 1 2245 130 140 266 284 1 2245 0 9319 140 150 284 302 0 9...

Страница 189: ...eiver Outlet T3 T4 T2 T1 T4 T3 T2 T1 T4 T3 T2 T1 T3 T1 T2 T4 T3 T1 T2 TEMPERATURE SENSOR LOCATION Ice Machine Description 22 30 1 Evaporator with 1 Circuit IMH Air Cooled Water Cooled T3 T4 T2 T1 T4 30 48 1 Evaporator with 2 Circuits IMH Air Cooled Water Cooled 30 1 Evaporator with 1 Circuit RCU Air Cooled 30 48 1 Evaporator with 2 Circuits RCU Air Cooled QuietQube 1 Evaporator with 1 Circuit RCU ...

Страница 190: ... F 246 C Thermistor Test 1 Disconnect thermistor from control board and measure resistance 2 Measure temperature at the thermistor 3 Compare measured resistance temperature readings to resistance temperature relationship chart A Within 10 of the published resistance value Thermistor is good B Not within 10 of the published resistance value Thermistor is defective Control Board Test 1 Disconnect th...

Страница 191: ...ycles SPECIFICATIONS 115 Volt or 230 Volt matches the ice machine voltage CHECK PROCEDURE 1 The air pump is wired in parallel with the harvest valve Verify the ice machine is in the harvest cycle and the harvest valve is energized 2 If there is voltage at the air pump connector use a volt ohm meter to verify there is no continuity through the motor windings then replace motor ...

Страница 192: ...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 rem...

Страница 193: ...aw while the compressor is trying to start The two likely causes of this are a defective starting component or 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 do not move the compressor is seized Replace the compressor B If the pressures move the compressor is turning slow...

Страница 194: ... before testing Relay The relay has a set of contacts that connect and disconnect the start capacitor from the compressor start winding The contacts on the relay are normally closed start capacitor in series with the start winding The relay senses the voltage generated by the start winding and opens the contacts as the compressor motor starts The contacts remain open until the compressor is de ene...

Страница 195: ...ust 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 nWarning Disconnect electrical power to the entire ice machine at the building electrical disconnect box before proceeding NOTE If a PTCR is dropped internal damage can occur to the ceramic PTCR discs The ...

Страница 196: ...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 Two Terminal PTCR Black 24 5 to 45 5 ohms Two Terminal PTCR Blue 21 to 39 ohms Three Terminal PTCR Tan 10 5 to 19 5 ohms Measure Resistance At Ends Two Terminal PTCR Leave Jumper Wire Attached Measu...

Страница 197: ...ons at night and or fails whenever the outdoor temperature drops A Safety limit is stored in control board memory Refrigerant loss and ambient temperature are directly related to each other As the ambient temperature drops more refrigerant is stored in the condenser When the refrigerant charge and ambient temperature create an undercharge of refrigerant in the freeze cycle the receiver dip tube wi...

Страница 198: ...rectly to the receiver Harvest Cycle Operation Remote Condenser Models The head pressure control cycles into full bypass due to the pressure drop when the harvest valve opens Refrigerant flows from the compressor to the evaporator through the harvest valve and the head pressure valve is out of the circuit Diagnostics FREEZE CYCLE REMOTE CONDENSER 1 Determine if the coil is clean 2 Determine the ai...

Страница 199: ... 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 Discharge Pressure Low Liquid Line Temper...

Страница 200: ...arvest is displayed Harvest cycle suction pressure is low Harvest cycle discharge pressure is low Liquid line entering receiver feels warm to hot in the freeze cycle Overcharge Symptoms Safety limit 2 in control board memory a flashing triangle alert and after pressing left arrow Long Harvest is displayed Harvest cycle discharge pressure is normal Freeze cycle time suction and discharge pressure a...

Страница 201: ...eeze cycle The HPR solenoid is closed de energized preventing refrigerant flow into the HPR valve HARVEST CYCLE During the harvest cycle the check valve in the discharge line prevents refrigerant in the remote condenser and receiver from back feeding into the evaporator and condensing to liquid The HPR solenoid is opened energized during the harvest cycle allowing refrigerant gas from the top of t...

Страница 202: ...ontrol Valve on page 197 2 Ice fill pattern normal Refer to Ice Formation Pattern on page 138 3 Freeze time normal Cycle Times 24 Hour Ice Production Refrigerant Pressure Charts on page 225 Shorter freeze cycles Refer to Head Pressure Control Valve on page 197 Longer freeze cycles Refer to Water System Checklist on page 137 then refer to Troubleshooting By Symptom on page 119 4 Harvest time is lon...

Страница 203: ...Hour Ice Production Refrigerant Pressure Charts on page 225 for data collection detail 7 Freeze cycle Head Pressure is in the range indicated in the cycle time 24 hour ice production and operational pressure chart If the head pressure is low refer to Freeze Cycle Discharge Pressure Low Checklist on page 144 8 Freeze cycle Suction Pressure normal Refer to Analyzing Suction Pressure on page 145 if s...

Страница 204: ...discharge pressure 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 clean or replace valve Discharge pressure extremely high Liquid line entering r...

Страница 205: ... contaminated refrigerant is the sole responsibility of the servicing company Importan Replace the liquid line drier after recovering the refrigerant and before evacuating and recharging Use only a Manitowoc OEM liquid line filter drier to prevent voiding the warranty Connections Manifold gauge sets must utilize low loss fittings to comply with U S Government rules and regulations Make these conne...

Страница 206: ...PEN VACUUM PUMP RECOVERY UNIT CLOSED OPEN LOW SIDE ACCESS VALVE HIGH SIDE ACCESS VALVE OPEN RECOVERY EVACUATION CONNECTIONS 3 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 sta...

Страница 207: ... is critical on all Manitowoc ice machines Use a scale to ensure the proper charge is installed 1 Be sure the ice machine is off MANIFOLD SET CLOSED SCALE VACUUM PUMP RECOVERY UNIT OPEN CLOSED LOW SIDE ACCESS VALVE HIGH SIDE ACCESS VALVE OPEN REFRIGERANT CYLINDER CHARGING CONNECTIONS ...

Страница 208: ...he suction service valve if necessary NOTE Manifold gauges must be removed properly to ensure that no refrigerant contamination or loss occurs 9 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 Remove the high side low loss fitting from the access valve C Open the high and low side va...

Страница 209: ... recommendations Importan Manitowoc Ice assumes no responsibility for the use of contaminated refrigerant Damage resulting from the use of contaminated refrigerant is the sole responsibility of the servicing company Importan Replace the liquid line drier after recovering the refrigerant and before evacuating and recharging Use only a Manitowoc O E M liquid line filter drier to prevent voiding the ...

Страница 210: ...quid line and the liquid line solenoid Access Schraeder valve on the discharge line 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 NOTE Manitowoc recommends using an access valve cor...

Страница 211: ...fold gauge set 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 hour Turn off the pump and perform a standing vacuum leak check NOTE Check for leaks with an electronic leak detector after charging the ice machine 5 Fol...

Страница 212: ...212 Part Number STH025 11 16 ACCESS REMOTE RECOVERY EVACUATION CONNECTIONS ...

Страница 213: ...machine Add the remaining refrigerant through the low side in vapor form until the machine is fully charged NOTE If an access valve core removal and installation tool is used on any of the Schrader valves reinstall the cores before disconnecting the access tool and hose 4 Remove the high side low loss fitting from the access valve 5 Open the high and low side valves on the manifold gauge set Any r...

Страница 214: ... RECOVERY UNIT VACUUM PUMP ACCESS VALVE RECEIVER MANIFOLD SET OPEN DRIER SOLENOID LINE VALVE REGULATING PRESSURE HARVEST LIQUID ACCESS VALVE CHECK VALVE TEE OPEN C B R HIGH SIDE ACCESS VALVE LOW SIDE COMPRESSOR HARVEST PRESSURE SOLENOID VALVE VALVE EXPANSION VALVE CHECK STRAINER VALVE SOLENOID HEAT EXCHANGER EVAPORATOR REMOTE CHARGING CONNECTIONS ...

Страница 215: ...tamination Obvious moisture or an acrid odor in the refrigerant indicates contamination If either condition is found or if contamination is suspected use a Total Test Kit from Totaline or a similar diagnostic 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...

Страница 216: ...hows 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 discolore...

Страница 217: ... procedure except replace the evacuation step with the following A Pull vacuum to 1000 microns 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 va...

Страница 218: ...e lines at compressor 4 Sweep through the open system with dry nitrogen Importan Refrigerant sweeps are not recommended as they release CFCs into the atmosphere 5 Install a new compressor and new start components 6 Install a suction line filter drier with acid and moisture removal capability Place the filter drier as close to the compressor as possible 7 Install an access valve at the inlet of the...

Страница 219: ...u may perform a standing vacuum test to make a preliminary leak check You should use an electronic leak detector after system charging to be sure there are no leaks 10 Charge the system with the proper refrigerant to the nameplate charge 11 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 t...

Страница 220: ... Follow all manufacturer s instructions supplied with the pinch off tool Position the pinch off tool around the tubing as far from the pressure control as feasible See the figure on next page Clamp down on the tubing until the pinch off is complete nWarning Do not unsolder a defective component Cut it out of the system Do not remove the pinch off tool until the new component is securely in place 3...

Страница 221: ...er has dirt retaining filtration with fiberglass filters on both the inlet and outlet ends This is very important because ice machines have a back flushing action that takes place during every Harvest cycle A Manitowoc filter drier has high moisture and acid removal capability The size of the filter drier is important The refrigerant charge is critical Using an improperly sized filter drier will c...

Страница 222: ...ese pages Model Air Cooled Water Cooled Remote Additional Refrigerant for Line Sets 51 100 Maximum System Charge I0300 15 oz 12 oz NA NA NA I0320 20 oz 18 oz NA NA NA I0450 20 oz 14 oz NA NA NA I0500 24 oz 23 oz 6 lb 1 5 lb 7 5 lb I0520 22 oz 14 oz NA NA NA I0600 32 oz 28 oz 6 5 lb 1 5 lb 7 5 lb I0606 32 oz 26 oz 7 lb 2 lb 9 lb I0850 34 oz 26 oz 8 5 lb 2 lb 10 5 lb I0906 34 oz 26 oz 6 5 lb 2 lb 9 ...

Страница 223: ...l Air Cooled Water Cooled Remote Additional Refrigerant for Line Sets 51 100 Maximum System Charge I1200 42 oz 34 oz NA NA NA I1400 52 oz 40 oz 11 lb 2 lb 13 lb I1406 58 oz 40 oz 12 lb 2 lb 14 lb I1800 52 oz 40 oz 12 5 lb 2 lb 14 5 lb ...

Страница 224: ...224 Part Number STH025 11 16 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 225: ...e 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 Refer to Symptom 2 Operational Analysis Table page 125 for the list of data that must be collected for refrigeration diagnostics Zero out manifold gauge set before obtaining pressure readings to avoid misdiagnosis Discharge and suction pressur...

Страница 226: ...es 24 HOUR ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 310 280 250 80 27 285 250 230 90 32 260 225 210 100 38 235 215 195 110 43 210 200 180 1 Based on average ice slab weight of 2 40 2 80 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction ...

Страница 227: ...F C Water Temperature F C 1 50 10 70 21 90 32 70 21 300 275 250 80 27 295 270 250 90 32 290 260 245 100 38 285 260 245 110 43 280 260 240 1 Based on average ice slab weight of 2 40 2 80 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 220 230 50 25 130 170 75 100 70 ...

Страница 228: ...R ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 335 285 270 80 27 285 260 240 90 32 250 225 215 100 38 215 200 190 1 Based on average ice slab weight of 3 40 3 90 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 195 26...

Страница 229: ... C Water Temperature F C 1 50 10 70 21 90 32 70 21 330 290 270 80 27 320 280 260 90 32 310 270 250 100 38 300 260 240 110 43 290 250 230 1 Based on average ice slab weight of 3 40 3 90 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 220 245 60 33 140 185 85 105 70 2...

Страница 230: ...utes 24 HOUR ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 420 390 360 80 27 380 355 330 90 32 350 320 300 100 38 320 290 270 110 43 275 255 235 1 Based on average ice slab weight of 3 40 3 90 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suctio...

Страница 231: ...F C Water Temperature F C 1 50 10 70 21 90 32 70 21 430 390 360 80 27 420 375 350 90 32 415 360 340 100 38 410 350 330 110 43 400 340 310 1 Based on average ice slab weight of 3 40 3 90 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 220 230 48 28 130 160 70 95 70 2...

Страница 232: ... Air Temp Entering Condenser F C Water Temperature F C 12 50 10 70 21 90 32 70 21 530 460 420 80 27 475 405 400 90 32 415 390 350 100 38 375 345 310 110 43 330 305 280 1 Based on average ice slab weight of 4 60 5 20 lb 2 230 50 1 is approximately 12 lower than 230 60 1 OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Disch...

Страница 233: ...round Ice Machine F C Water Temperature F C 1 50 10 70 21 90 32 70 21 550 450 395 80 27 495 435 390 90 32 480 430 385 100 38 470 420 375 110 43 460 415 365 1 Based on average ice slab weight of 4 60 5 20 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 70 21 230 240 60 33 ...

Страница 234: ...ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 20 29 to 70 21 480 445 415 90 32 455 430 390 100 38 440 405 375 110 43 425 395 360 1 Based on average ice slab weight of 4 60 5 20 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 1...

Страница 235: ...tes 24 HOUR ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 475 420 370 80 27 430 380 320 90 32 400 325 290 100 38 350 300 270 110 43 290 270 250 1 Based on average ice slab weight of 3 40 3 90 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction...

Страница 236: ...und Ice Machine F C Water Temperature F C 1 50 10 70 21 90 32 70 21 460 395 370 80 27 450 385 360 90 32 440 375 350 100 38 430 365 340 110 43 420 355 330 1 Based on average ice slab weight of 3 4 3 9 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 70 21 230 250 52 30 160 ...

Страница 237: ...R ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 650 540 505 80 27 575 520 495 90 32 530 475 460 100 38 470 430 415 1 Based on average ice slab weight of 4 12 4 75 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 220 25...

Страница 238: ...erature F C 1 50 10 70 21 90 32 70 21 650 565 530 80 27 575 560 520 90 32 565 560 520 100 38 560 540 505 1 Based on average ice slab weight of 4 12 4 75 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 240 250 36 26 140 190 65 95 70 21 240 250 36 26 140 190 65 95 80 ...

Страница 239: ...mp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 20 29 to 70 21 630 520 495 80 27 565 520 485 90 32 560 520 485 100 38 520 480 450 110 43 480 440 415 1 Based on average ice slab weight of 4 12 4 75 lb 2 Ratings with JC0895 condenser dice cubes OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pr...

Страница 240: ...PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 650 540 505 80 27 575 520 495 90 32 530 475 460 100 38 470 430 415 1 Based on average ice slab weight of 4 12 4 75 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 220 255 45 2...

Страница 241: ...erature F C 1 50 10 70 21 90 32 70 21 650 565 530 80 27 575 560 520 90 32 565 560 520 100 38 560 540 505 1 Based on average ice slab weight of 4 12 4 75 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 240 250 36 26 140 190 65 95 70 21 240 250 36 26 140 190 65 95 80 ...

Страница 242: ...mp Entering Condenser F C Water Temperature F C 12 50 10 70 21 90 32 20 29 to 70 21 630 520 495 80 27 565 520 485 90 32 560 520 485 100 38 520 480 450 110 43 480 440 415 1 Based on average ice slab weight of 4 12 4 75 lb 2 Ratings with JC0895 condenser dice cubes OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge P...

Страница 243: ...tes 24 HOUR ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 785 735 690 80 27 715 675 630 90 32 645 575 575 100 38 575 545 515 110 43 505 480 460 1 Based on average ice slab weight of 5 75 6 50 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction...

Страница 244: ...re F C 1 50 10 70 21 90 32 70 21 835 755 680 80 27 810 740 665 90 32 780 640 655 100 38 755 700 645 110 43 730 680 635 1 Based on average ice slab weight of 5 75 6 50 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 230 240 45 28 135 160 70 85 70 21 230 240 60 28 135...

Страница 245: ...s 24 HOUR ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 20 29 to 70 21 750 665 615 80 27 720 675 650 90 32 645 610 555 100 38 615 570 530 110 43 580 540 505 1 Based on average ice slab weight of 5 75 6 50 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG ...

Страница 246: ...OUR ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 875 765 725 80 27 800 745 710 90 32 745 665 650 100 38 695 645 630 1 Based on average ice slab weight of 6 2 7 2 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 220 25...

Страница 247: ...ine F C Water Temperature F C 1 50 10 70 21 90 32 70 21 840 755 720 80 27 765 750 710 90 32 750 700 690 100 38 740 680 665 110 43 700 650 615 1 Based on average ice slab weight of 6 2 7 2 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 225 235 45 28 130 160 75 90 70...

Страница 248: ...es 24 HOUR ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 20 29 to 70 21 820 765 720 80 27 790 750 700 90 32 750 730 675 100 38 720 680 650 110 43 685 650 615 1 Based on average ice slab weight of 6 2 7 2 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG S...

Страница 249: ... Air Temp Entering Condenser F C Water Temperature F C 12 50 10 70 21 90 32 70 21 990 920 870 80 27 900 830 780 90 32 810 735 690 100 38 730 665 620 110 43 650 600 550 1 Based on average ice slab weight of 6 2 7 2 lb 2 230 50 1 is approximately 12 lower than 230 60 1 OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Dischar...

Страница 250: ...F C 1 50 10 70 21 90 32 70 21 1000 895 820 80 27 980 875 810 90 32 960 855 800 100 38 950 845 790 110 43 940 835 780 1 Based on average ice slab weight of 6 2 7 2 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 215 225 45 22 145 170 75 85 70 21 215 225 45 23 150 170...

Страница 251: ... 24 HOUR ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 960 870 800 80 27 880 800 740 90 32 800 725 680 100 38 720 670 630 110 43 640 620 580 1 Based on average ice slab weight of 6 2 7 2 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pres...

Страница 252: ... Air Temp Entering Condenser F C Water Temperature F C 12 50 10 70 21 90 32 70 21 990 920 870 80 27 900 830 780 90 32 810 735 690 100 38 730 665 620 110 43 650 600 550 1 Based on average ice slab weight of 6 2 7 2 lb 2 230 50 1 is approximately 12 lower than 230 60 1 OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Dischar...

Страница 253: ...F C 1 50 10 70 21 90 32 70 21 1000 895 820 80 27 980 875 810 90 32 960 855 800 100 38 950 845 790 110 43 940 835 780 1 Based on average ice slab weight of 6 2 7 2 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 215 225 45 22 145 170 75 85 70 21 215 225 45 23 150 170...

Страница 254: ... 24 HOUR ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 960 870 800 80 27 880 800 740 90 32 800 725 680 100 38 720 670 630 110 43 640 620 580 1 Based on average ice slab weight of 6 2 7 2 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pres...

Страница 255: ...CTION Air Temp Entering Condenser F C Water Temperature F C 12 50 10 70 21 90 32 70 21 1100 1035 965 80 27 1010 950 890 90 32 925 870 810 100 38 840 785 730 110 43 750 700 650 1 Based on average ice slab weight of 7 5 8 2 lb 2 230 50 1 is approximately 12 lower than 230 60 1 OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG...

Страница 256: ...Water Temperature F C 12 50 10 70 21 90 32 70 21 1165 1050 935 80 27 1040 935 830 90 32 1030 900 825 100 38 1020 870 820 110 43 1010 860 815 1 Based on average ice slab weight of 7 5 8 2 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 225 230 40 20 150 175 70 85 70 ...

Страница 257: ...emp Entering Condenser F C Water Temperature F C 12 50 10 70 21 90 32 70 21 1500 1395 1260 80 27 1395 1295 1160 90 32 1325 1155 1090 100 38 1205 1050 980 110 43 1095 935 920 1 Based on average ice slab weight of 10 25 11 50 lb 2 230 50 1 is approximately 12 lower than 230 60 1 OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PS...

Страница 258: ...emperature F C 1 50 10 70 21 90 32 70 21 1515 1295 1225 80 27 1505 1285 1215 90 32 1495 1275 1210 100 38 1485 1265 1205 110 43 1475 1255 1200 1 Based on average ice slab weight of 10 25 11 50 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 220 280 40 24 150 180 70 9...

Страница 259: ... ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 1430 1290 1200 80 27 1410 1270 1180 90 32 1380 1220 1140 100 38 1290 1130 1050 110 43 1175 1110 970 1 Based on average ice slab weight of 10 25 11 50 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Su...

Страница 260: ...r Temp Entering Condenser F C Water Temperature F C 12 50 10 70 21 90 32 70 21 1530 1400 1160 80 27 1450 1370 1295 90 32 1305 1235 1000 100 38 1235 1155 890 110 43 1105 950 795 1 Based on average ice slab weight of 10 25 11 50 lb 2 230 50 1 is approximately 12 lower than 230 60 1 OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure...

Страница 261: ...emperature F C 1 50 10 70 21 90 32 70 21 1495 1360 1200 80 27 1485 1340 1195 90 32 1390 1325 1195 100 38 1380 1275 1170 110 43 1370 1205 1140 1 Based on average ice slab weight of 10 25 11 50 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 240 250 40 24 155 185 75 9...

Страница 262: ... ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 1490 1360 1240 80 27 1435 1325 1235 90 32 1355 1295 1230 100 38 1290 1185 1100 110 43 1160 1275 1000 1 Based on average ice slab weight of 10 25 11 50 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG S...

Страница 263: ...emp Entering Condenser F C Water Temperature F C 12 50 10 70 21 90 32 70 21 1840 1710 1590 80 27 1710 1560 1460 90 32 1600 1430 1350 100 38 1470 1300 1220 110 43 1330 1160 1080 1 Based on average ice slab weight of 13 20 14 80 lb 2 230 50 1 is approximately 12 lower than 230 60 1 OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure...

Страница 264: ...er Temperature F C 1 50 10 70 21 90 32 70 21 1850 1680 1520 80 27 1820 1660 1510 90 32 1810 1640 1500 100 38 1780 1610 1490 110 43 1790 1590 1480 1 Based on average ice slab weight of 13 20 14 80 lb OPERATING PRESSURES Air Temp Around Ice Machine F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG Suction Pressure PSIG 1 50 10 230 240 45 25 145 165 ...

Страница 265: ...R ICE PRODUCTION Air Temp Entering Condenser F C Water Temperature F C 1 50 10 70 21 90 32 70 21 1775 1635 1535 80 27 1705 1565 1465 90 32 1625 1495 1385 100 38 1525 1395 1285 110 43 1415 1295 1175 1 Based on average ice slab weight of 13 20 14 80 lb OPERATING PRESSURES Air Temp Entering Condenser F C Freeze Cycle Harvest Cycle Discharge Pressure PSIG Suction Pressure PSIG Discharge Pressure PSIG ...

Страница 266: ...266 Part Number STH025 11 16 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 267: ...ently on energy efficient machines Please verify your model number page 19 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 ...

Страница 268: ...268 Part Number STH025 11 16 I0300 I0450 I0500 I0520 1PH AIR WATER Self Contained Air Water cooled 000007346_12 ...

Страница 269: ...Part Number STH025 11 16 269 I0320 1PH AIR WATER Self Contained Air Water cooled ...

Страница 270: ...270 Part Number STH025 11 16 I0500 1PH REMOTE Remote Air cooled 000007405_06 ...

Страница 271: ...Part Number STH025 11 16 271 I0600 I0606 I0850 I0906 I1000 I1106 I1200 1PH AIR WATER Self Contained Air Water cooled 000007604_07 ...

Страница 272: ...272 Part Number STH025 11 16 I0600 I606 I0850 I906 I1000 I1106 I1200 3PH AIR WATER Self Contained Air Water cooled 000007604_07 ...

Страница 273: ...Part Number STH025 11 16 273 I0600 I606 I0850 I0906 I1000 I1106 1PH REMOTE Remote Condenser Air cooled 000007606_09 ...

Страница 274: ...274 Part Number STH025 11 16 I0600 I606 I0850 I0906 I1000 I1106 3PH REMOTE Remote Condenser Air cooled 000007606_09 ...

Страница 275: ...Part Number STH025 11 16 275 I1400 I1406 I1800 1PH AIR WATER Self Contained Air Water cooled 000008865_02 ...

Страница 276: ...276 Part Number STH025 11 16 I1400 I1406 I1800 3PH AIR WATER Self Contained Air Water cooled 000008865_02 ...

Страница 277: ...Part Number STH025 11 16 277 I1400 II1406 1800 1PH REMOTE Remote Condenser 000008864_04 ...

Страница 278: ...278 Part Number STH025 11 16 I1400 I1406 I1800 3PH REMOTE Remote Condenser 000008864_04 ...

Страница 279: ...Part Number STH025 11 16 279 I1400 ECM FAN MOTOR 1PH AIR Self Contained Air cooled 000013616Rev03 ...

Страница 280: ...280 Part Number STH025 11 16 I1400 ECM FAN MOTOR 3PH AIR Self Contained Air cooled 000013616Rev03 ...

Страница 281: ...art Number STH025 11 16 281 ELECTRICAL NOISE FILTER Filter is installed to the incoming line voltage power supply on Korean models CONTROL BOX FILTER JUNCTION BOX BLK RED L2 L1 BLK RED L2 L1 CONTROL BOX ...

Страница 282: ...T3 T4 Display RS485 Bin LED Water Level Probe AuCS Remote CVD LuminIce Transformer Battery Bin Switches Bin Thermostat USB Ice Thickness Probe Light Water Level Probe Light Right Bin Switch Light Left Bin Switch Light Dump Valve HPC Ice Thickness Probe Water Pump Compressor L1 Not Used L2 Water Inlet Valve Right Harvest Valve Left Harvest Valve Dump Valve Relay Lights V C LPC HPC1 HPC2 CVD Contact...

Страница 283: ...VER WATER COOLED ONLY DRIER COMPRESSOR STRAINER CONDENSER AIR OR WATER HOT GAS SOLENOID VALVE EXPANSION VALVE EVAPORATOR HEAT EXCHANGER T1 Thermistor T4 Thermistor T3 Thermistor T2 Thermistor I1106 CONDENSER COMPRESSOR HEAT EXCHANGER RECEIVER DRIER EVAPORATOR STRAINER HARVEST SOLENOID VALVES EXPANSION VALVES T2 Thermistor T4 Thermistor T1 Thermistor T3 Thermistor x x ...

Страница 284: ...6 II1400 I1406 I1800 x x CONDENSER COMPRESSOR HEAT EXCHANGER RECEIVER DRIER EVAPORATOR HARVEST SOLENOID VALVE STRAINER HARVEST SOLENOID VALVE EXPANSION VALVE EXPANSION VALVE T2 Thermistor T3 Thermistor T4 Thermistor T1 Thermistor ...

Страница 285: ...LVE DRIER CHECK VALVE HEAD PRESSURE CONTROL VALVE B R C H P R SOLENOID VALVE HARVEST PRESSURE REGULATING VALVE CHECK VALVE STRAINER COMPRESSOR HOT GAS SOLENOID VALVE CONDENSER REMOTE EXPANSION VALVE EVAPORATOR HEAT EXCHANGER SOLENOID LINE LIQUID VALVE X X T2 Thermistor T4 Thermistor T1 Thermistor T3 Thermistor ...

Страница 286: ...RIER STRAINER HARVEST SOLENOID VALVES EXPANSION VALVES T2 Thermistor T4 Thermistor T1 Thermistor T3 Thermistor EVAPORATOR x x x x REMOTE CONDENSER RECEIVER HPR VALVE LLSV CHECK VALVE CHECK VALVE HEAD PRESSURE CONTROL VALVE RECEIVER ACCESS VALVE HPR SOLENOID VALVE ...

Страница 287: ...SSOR HEAT EXCHANGER RECEIVER DRIER EXPANSION VALVE EVAPORATOR HPR VALVE LLSV CHECK VALVE CHECK VALVE HARVEST SOLENOID VALVE STRAINER HARVEST SOLENOID VALVE HEAD PRESSURE CONTROL VALVE EXPANSION VALVE RECEIVER ACCESS VALVE T2 Thermistor T4 Thermistor T1 Thermistor T3 Thermistor ...

Страница 288: ...288 Part Number STH025 11 16 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 289: ...Part Number STH025 11 16 289 THIS PAGE INTENTIONALLY LEFT BLANK ...

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Страница 296: ...ervice com then discover the regional or local resources available to you 2015 Manitowoc Foodservice except where explicitly stated otherwise All rights reserved Part Number STH025 11 16 Every new piece of Manitowoc Foodservice equipment comes with KitchenCare and you choose the level of service that meets your operational needs from one restaurant to multiple locations Talk with KitchenCare 1 844...

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