Manitowoc Indigo NXT Installation, Operation And Maintenance Manual Download Page 10 | Manualshive

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Part Number 000014141 Rev 08 5/21

Table of Contents (continued)

Section 3
Operation

Touch Screen Features ............................................................. 35

Home Screen Icon Descriptions ............................................ 36

Setup Wizard ........................................................................... 37
Menu Screen Navigation .......................................................... 38
Ice Making Sequence of Operation .......................................... 39
Control Board Timers ............................................................... 39
Minimum/Maximum Slab Weight ............................................ 41
Ice Thickness Check ................................................................. 41
Reverse Osmosis or Deionized Water Usage ............................ 42

Section 4
Maintenance

Descaling and Sanitizing .......................................................... 43
Detailed Descaling and Sanitizing Procedure ............................ 44

Sanitizing Procedure ............................................................. 45

Parts Removal for Detailed Descaling and Sanitizing ................ 47
Remedial Cleaning Procedure .................................................. 48
Cleaning the Air Filter and Condenser ...................................... 49
Removal from Service/Winterization ....................................... 49

Section 5
Troubleshooting

Before Calling for Service Checklist .......................................... 51
Service Faults .......................................................................... 53

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Summary of Contents for Indigo NXT

Page 1: ...art Number 000014141 Rev 08 5 21 Indigo NXT Ice Machines Installation Operation and Maintenance Manual Original Document Caution Read this instruction before operating this equipment Engineered for Ease ...

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Page 3: ...rly 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 and tag out procedures must be followed when working on this equipment This equipment is intended for indoor use only Do not install or operate this equipment in outdoor areas D...

Page 4: ...odes and stability requirements 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 Legs or casters must be installed and the legs casters must be screwed in completely When casters are installed the mass of this unit will allo...

Page 5: ...ke components obtained from the equipment manufacturers authorized replacement part network This equipment must be installed in accordance with the ASHRAE 15 Safety Standard for Refrigeration Systems This equipment can not be installed in corridors or hallways of public buildings Installation must comply with all applicable equipment fire and health codes with the authority having jurisdiction All...

Page 6: ...owledge unless they have been given supervision concerning use of the appliance by a person responsible for their safety Do not allow children to play with clean or maintain this appliance without proper supervision n Warning Follow these precautions to prevent personal injury while operating or maintaining this equipment Read this manual thoroughly before operating installing or performing mainte...

Page 7: ...th the authority having jurisdiction Turn off and lockout all utilities gas electric water according to approved practices during maintenance or servicing Units with two power cords must be plugged into individual branch circuits During movement cleaning or repair it is necessary to unplug both power cords Never use a high pressure water jet for cleaning on the interior or exterior of this unit Do...

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Page 9: ... Maximum Breaker Size Minimum Circuit Amperage Chart 19 Water Supply and Drain Line Sizing Connections 22 Water Connections 22 Water Supply and Drain Connections 23 Air Gap 23 Cooling Tower Applications Water Cooled Models 24 Drain Connections 24 Remote Condenser and Condensing Unit Refrigeration System Installation 25 Calculating Installation Distances 26 Remote Condenser Models 27 QuietQube Mode...

Page 10: ...ximum Slab Weight 41 Ice Thickness Check 41 Reverse Osmosis or Deionized Water Usage 42 Section 4 Maintenance Descaling and Sanitizing 43 Detailed Descaling and Sanitizing Procedure 44 Sanitizing Procedure 45 Parts Removal for Detailed Descaling and Sanitizing 47 Remedial Cleaning Procedure 48 Cleaning the Air Filter and Condenser 49 Removal from Service Winterization 49 Section 5 Troubleshooting ...

Page 11: ...0W IYF0900W IRF0900W IDF0900N IYF0900N IDT0900A IYT0900A IRT0900A IDT0900W IYT0900W IRT0900W IDT1200A IYT1200A IDT1200W IYT1200W IDT1200N IYT1200N Self Contained Air Cooled Self Contained Water Cooled Remote Air Cooled IDT1500A IYT1500A IDT1500W IYT1500W IDT1500N IYT1500N IDT1900A IYT1900A IRT1900A IDT1900W IYT1900W IDT1900N IYT1900N IRT1900N CVD TECHNOLOGY ICE MACHINES QuietQube Indoor Head Secti...

Page 12: ...nhibit the growth of common micro organisms on all exposed foodzone surfaces How To Read A Model Number I Y T 1500 N 261 X Ice Machine Model I Indigo Model IB Ice Beverage X LuminIce A Alternate Compressor HP High Pressure Water Regulating Valve Ice Cube Size R Regular D Dice Y Half Dice Not Used On IB Models P Correctional Model M Marine Model V Space Saver Q Coated Condenser Blank General Usage ...

Page 13: ...bstruct airflow through or around the ice machine Installation Requirements The ice machine and bin must be level Vent the ice machine and bin drains separately Bin drain termination must have an air gap The ice machine and bin must be descaled and sanitized after installation The drain line must contain a union or other suitable means of disconnection at the ice machine QuietQube Models Only The ...

Page 14: ...120 F 49 C CVDF1400 CVDF1800 20 F 29 C 130 F 54 C Ice Machine Heat of Rejection Ice Machine Heat of Rejection Series Air Conditioning Peak IF0300 IT0300 4600 5450 IT0420 3800 6000 IT0450 3800 6000 IT0500 3800 6000 IF0500 3800 6000 IP0500 3800 6000 IP0520 3800 6000 IF0600 11800 13700 IT0620 5400 6300 IT0750 12800 13700 IF0900 13000 16000 IT0900 12700 14800 IT1200 16200 19100 IT1500 23000 27000 IT19...

Page 15: ...d or Remote Condenser Top Sides 8 20 cm 8 20 cm Back 5 13 cm 5 13 cm IT1200 50 Hz Self Contained Air Cooled Water Cooled or Remote Condenser Top 12 31 cm 8 20 cm Sides 23 58 cm 8 20 cm Back 8 20 cm 5 13 cm IT1500 Self Contained Air Cooled Water Cooled or Remote Condenser Top 12 31 cm 8 20 cm Sides 8 20 cm 8 20 cm Back 12 31 cm 5 13 cm IT1900 Self Contained Air Cooled Water Cooled or Remote Condens...

Page 16: ...lating To install 1 Loosen the back panel screws next to the condenser 2 Align the keyhole slots in the air baffle with the screw holes and slide the baffle down to lock in place Bin Installation Requirements The installation area must be capable of supporting the combined weight of the equipment and product All ice machines installed on a bin require an ice deflector Manitowoc bins have a deflect...

Page 17: ...y to level the bin 6 Inspect bin gasket prior to ice machine installation Manitowoc bins come with a closed cell foam gasket installed along the top surface of the bin 7 Remove all panels from ice machine before lifting and installing on bin Remove front panel top cover left and right side panels Dispenser Installation Observe following recommendations unless required by the dispenser manufacturer...

Page 18: ... machine start up when the electrical load is highest nWarning The ice machine must be grounded in accordance with national and local electrical codes Fuse Circuit Breaker A separate electrical disconnect which disconnects all poles and has 3 mm 1 8 contact separation must be provided for fixed wiring Circuit breakers must be H A C R rated in USA Minimum Circuit Ampacity The minimum circuit ampaci...

Page 19: ...nimum Circuit Amps IF0300 115 1 60 15 10 8 15 10 0 230 1 50 15 6 1 15 5 6 230 1 60 15 6 1 15 5 7 IT0300 115 1 60 15 8 8 15 7 9 230 1 50 15 4 2 15 3 8 230 1 60 15 4 2 15 3 8 IT0420 115 1 60 15 11 3 15 10 6 208 230 1 60 15 5 5 15 5 2 230 1 50 15 5 7 IT0450 115 1 60 20 11 9 20 11 2 208 230 1 60 15 5 6 15 5 3 230 1 50 15 5 6 15 5 3 IT0500 115 1 60 15 11 5 15 10 8 20 13 7 14 8 208 230 1 60 15 5 1 15 4 ...

Page 20: ... 0 IT0900 208 230 1 60 15 9 5 15 8 8 230 1 50 15 10 7 15 10 1 IT1200 208 230 1 60 20 14 2 20 13 4 15 11 0 10 9 208 230 3 60 15 8 6 15 7 9 15 9 2 110 1 230 1 50 20 14 0 20 13 3 15 25 11 1 115 6 IT1500 208 230 1 60 25 30 15 4 18 5 25 30 14 0 17 0 25 14 0 15 6 208 230 3 60 20 12 8 113 4 20 11 3 112 0 20 25 20 11 3 115 3 113 0 230 1 50 25 20 14 9 114 3 25 20 14 2 113 5 25 20 15 2 114 6 IT1900 208 230 ...

Page 21: ...2 12 Solid Copper Conductor CVDF0900 208 230 1 60 20 amp 11 5 10 Solid Copper Conductor 208 230 3 60 15 amp 7 1 12 Solid Copper Conductor 230 1 50 20 amp 8 7 10 Solid Copper Conductor CVDT1200 208 230 1 60 25 amp 20 amp 14 8 13 3 10 Solid Copper Conductor 208 230 3 60 15 amp 9 3 11 1 12 Solid Copper Conductor CVDF1400 208 230 1 60 20 amp 14 2 111 1 10 Solid Copper Conductor 208 230 3 60 15 amp 11 ...

Page 22: ...le Pipe Thread 1 2 13 mm minimum inside diameter Bin Drain 3 4 Female Pipe Thread 3 4 19 mm minimum inside diameter Large Capacity Bin Drain 1 Female Pipe Thread 1 25 mm minimum inside diameter Min Minimum Max Maximum Water Connections Local water conditions may require treatment of the water to inhibit scale formation filter sediment and remove chlorine odor and taste Connect ice making water inl...

Page 23: ...Condenser Water Inlet See Condenser Water Inlet on page 22 for fitting sizes 7 Base Drain 1 2 CPVC Socket 8 Bin Drain See Bin Drain on page 22 for fitting sizes 9 Floor Drain Open and Trapped 10 Do Not Trap Drain Line Leave Air Gap Between Drain Line and Floor Drain AIR GAP A greater than 1 inch air gap is built into the ice machine for back flow prevention This air gap exceeds NSF 12 AS NZS 3500 ...

Page 24: ... Drain lines must have a 1 5 inch drop per 5 foot 2 5 cm per meter of run and must not create traps The floor drain must be large enough to accommodate drainage from all drains Run separate bin and ice machine drain lines Insulate them to prevent condensation Install a tee at the ice machine drain outlet and install an 18 46 cm vent above the drain line Drain termination must have an air gap that ...

Page 25: ...00 RC 23 RC 33 RC 53 4 lbs 1814 g Line Set Suction Line Liquid Line Minimum Insulation Thickness RC 21 31 51 5 8 inch 16 mm 3 8 inch 10 mm 1 2 13 mm Suction Line 1 4 7 mm Liquid Line RC 20 30 50 3 4 inch 19 mm 1 2 inch 13 mm 1 2 13 mm Suction Line 1 4 7 mm Liquid Line RC 23 33 53 3 4 inch 19 mm 5 8 inch 16 mm 1 2 13 mm Suction Line 1 4 7 mm Liquid Line nWarning Installation of a QuietQube Condensi...

Page 26: ...y a properly trained and EPA certified refrigeration technician aware of the dangersofdealingwithrefrigerantcharged equipment CALCULATING INSTALLATION DISTANCES Line Set Length The maximum tubing length is 100 feet 30 meters Line Set Rise Drop The maximum rise is 35 feet 10 7 meters The maximum drop is 15 feet 4 5 meters Notice If a line set has a rise followed by a drop another rise cannot be mad...

Page 27: ...OTE CONDENSER MODELS Step 1 Secure the Condenser Through holes are provided to secure the condenser to a curb rack or wooden timber nWarning The ice machine head section contains refrigerant charge The ice machine head section contains refrigeration valves that must remain closed until proper installation of the line sets is completed nWarning Electrical power to the ice machine head section conde...

Page 28: ...denser voltage matches the ice machine head section voltage Interconnecting Wiring Connections Ice Machine Remote Condenser L1 F1 L2 F2 Installation is finished for remote condenser models Proceed to page 32 for start up procedure QUIETQUBE MODELS WITH CVD TECHNOLOGY Step 1 Secure the Condensing Unit Through holes are provided to secure the condensing unit to a curb rack or wooden timber Step 2 Ro...

Page 29: ...a minimum of 15 minutes Minimum evacuation level is 500 microns Pressure test the line sets and CVD Condensing Unit with 150 psi 1000 kPa of dry nitrogen Add nitrogen at the shutoff valves for the line set located at the back of the ice machine head section or from the access valves located in the CVD Condensing Unit Complete the pressure test verify no leaks are present and remove the nitrogen fr...

Page 30: ...ves Open the shutoff valves for the suction and liquid lines USE ALLEN WRENCH TO OPEN TURN COUNTERCLOCKWISE SHUTOFF VALVES FOR THE LIQUID AND SUCTION LINES QuietQube Models USE ALLEN WRENCH TO OPEN TURN COUNTERCLOCKWISE SHUTOFF VALVES FOR THE LIQUID AND SUCTION LINES Ice Beverage Models USE ALLEN WRENCH TO OPEN TURN COUNTERCLOCKWISE SHUTOFF VALVES FOR THE LIQUID AND SUCTION LINES IF1400C IF1800C I...

Page 31: ...on at 90 F 32 C ambient temperature and 90 relative humidity If higher humidity is expected increase insulation thickness Suction Line Liquid Line Min Insulation Thickness 3 4 inch 19 mm 1 2 inch 13 mm Suction Line 1 2 13 mm Liquid Line 1 4 7 mm 5 8 inch 16 mm 3 8 inch 10 mm 3 4 inch 19 mm 5 8 inch 16 mm Suction Line 3 4 19 mm Liquid Line 1 4 7 mm Step 7 Insulation for the Suction Shutoff Valve Th...

Page 32: ...fer to Ice Making Sequence of Operation on page 39 for operational details MINIMUM MAXIMUM SLAB WEIGHT Adjust ice thickness to maintain the correct bridge thickness and Minimum Maximum Slab Weight on page 41 Warranty For warranty information visit www manitowocice com Service Warranty Warranty Coverage Information Warranty Registration Warranty Verification Warranty coverage begins the day the ice...

Page 33: ... reliability Important Manitowoc warrants only complete new and unused remote packages Guaranteeing the integrity of a new ice machine under the terms of our warranty prohibits the use of pre existing used tubing or condensers Design Burst Pressure Design Pressure 600 psig 4137 kPa Burst Pressure 2500 psig 17237 kPa Head Pressure Control Valve Do not use a fan cycling control to try to maintain di...

Page 34: ...rigerant Charge The ice machine model serial tag lists the refrigerant amount Remote condensers and line sets contain a vapor charge only Model Amount Type IF0500N 6 0 lbs 2 72 kg R404A IT0500N 6 0 lbs 2 72 kg R410A IF0600N 6 5 lbs 2 95 kg R404A IF0900N 7 lbs 3 18 kg R404A IT1200N 7 5 lbs 3 40 kg R410A IT1500N 7 5 lbs 3 40 kg R410A IT1900N 8 0 lbs 3 63 kg R410A Model serial plate information overr...

Page 35: ...ck Button Allows or prevents touchscreen navigation Cleaning Button Initiates a cleaning cycle Refer to Section 4 for details Touchscreen Home screen allows viewing of ice machine status alerts and messages Navigation with the touchscreen provides access to menu items machine information settings and event logs Setup and Energy Saver settings can be adjusted along with access to service and troubl...

Page 36: ... Menu icon will take you to the main menu Information Information icon provides model and serial number installation date and other information specific to the ice machine Service Locator Provides contact information for your local service support Default is the Manitowoc Ice website service locator Lock Unlock Indicates if screen is locked or unlocked LuminIce Only visible when a LuminIce II acce...

Page 37: ...electing right arrow Configure Date and Time Formats Select Month Day Year or Day Month Year Select 12 hour or 24 hour time format Set Time Use arrows to set local time Set Date Use arrows to set date for your location Units Select standard or metric Brightness Configure screen brightness during normal operation Setup Description Ice Program Program ice machine run times or press right arrow to sk...

Page 38: ...ervice Settings Reset Defaults Ice Program Data Language Require Setup Wizard Water Usage Alert Log Reminders Backup Current Settings Statistics Manual Harvest Time Date Reset To Factory Defaults Control Board Replacement Units Diagnostics Brightness Contact Information USB USB AuCS AuCS Prime AuCS Pump Only visible when this optional accessory is installed ...

Page 39: ... the ice machine shuts off When the water curtain or ice damper closes the ice machine starts a new cycle at the water purge Control Board Timers The control board has the following non adjustable timers The ice machine control board will set its own install date after 100 freeze and harvest cycles The ice machine is locked into the freeze cycle for 6 minutes before a harvest cycle can be initiate...

Page 40: ... the ice machine will shut off Water Assist Harvest When the damper curtain does not open within 3 5 minutes in the harvest cycle the following occurs 3 5 minutes The water inlet valve energizes until water touches the high water level probe 4 minutes The water pump energizes 6 5 to 7 minutes The water dump valve energizes Water Thaw Cycle When the damper curtain does not open during the 7 minute ...

Page 41: ... grams Important Routine adjustments and maintenance procedures are not covered by the warranty Ice Thickness Check After a harvest cycle inspect the ice cubes in the ice storage bin The ice thickness probe is factory set to maintain the ice bridge thickness at 1 8 3 mm NOTE Make sure the water curtain is in place when performing this check It prevents water from splashing out of the water trough ...

Page 42: ...ng the jumper over one pin The Electronic Control Board diagram shows the default position of the jumper covering the left and center pins Moving the jumper to the center and right pins and enabling R O menu Use less water with reverse osmosis Settings Energy Water Usage Use Less Water With Reverse Osmosis will increase the sensitivity of the water level probe Move jumper from left center pins to ...

Page 43: ...maximize ice production and ensure long component life 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 rinsed in a mild dish soap and water solution Wipe dry with a cle...

Page 44: ...ter ice falls from the evaporator s Press the power switch and allow the ice to melt Notice 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 button and select Turn off when complete Water will flow through the water dump valve and down the drain Wait approximately 1 minute until the water trough refills and th...

Page 45: ...y scaled parts The solution will foam when it contacts lime scale and mineral deposits once the foaming stops use a soft bristle nylon brush sponge or cloth NOT a wire brush to carefully descale the parts When descaling is complete rinse all removed components with clean water Step 8 While components are soaking use half of the solution to descale all food zone surfaces of the ice machine and bin ...

Page 46: ... machine and that any electrical connectors or wires remain free from moisture Step 13 Press the Clean button and select Make ice when complete Water will flow through the water dump valve and down the drain Wait approximately 1 minute until the water trough refills and the display indicates Add Chemical Add the proper amount of ice machine sanitizer to the water trough by pouring between the wate...

Page 47: ...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 D 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 the ice...

Page 48: ... switch and allow the ice to melt Notice Never use anything to force ice from the evaporator Damage may result Step 2 Open the front door to access the evaporator Step 3 Press the Clean button and select Make ice when complete Water will flow through the water dump valve and down the drain Wait approximately 1 minute until the water trough refills and the display indicates Add Chemical Add the pro...

Page 49: ...mains call a service agent to clean the condenser Removal from Service Winterization All Models 1 Descale and sanitize the ice machine 2 Turn off the water supply disconnect and drain the incoming ice making water line at the rear of the ice machine and drain the water trough 3 Energize the ice machine wait one minute for the water inlet valve to open and blow compressed air in both the incoming w...

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Page 51: ...hine is not turned on Press power button display must indicate Making Ice IB Models Only Dispenser ice level thermostat is open Adjust thermostat to maintain correct dispenser level Ice machine stops and can be restarted by pressing the power switch Service Fault feature stopping the ice machine Refer to Service Faults on page 53 Ice machine does not release ice or is slow to harvest Ice machine i...

Page 52: ...make appropriate filter recommendations Water filtration is poor Replace the filter Ice machine is dirty Descale and sanitize the ice machine See page 43 Water dump valve is not working Disassemble and clean the water dump valve Water softener is working improperly if applicable Repair the water softener Ice machine produces shallow or incomplete cubes or the ice fill pattern on the evaporator is ...

Page 53: ...aults In addition to the standard safety controls such as the high pressure cutout your Manitowoc ice machine features built in service faults which will stop the ice machine if conditions arise which could cause a major component failure Before calling for service re start the ice machine using the following procedure 1 Press the power button The display reads Off Press the power button again and...

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Page 58: ...MANITOWOC ICE 2110 SOUTH 26TH STREET MANITOWOC WI 54220 800 545 5720 WWW MANITOWOCICE COM 2021 Welbilt Inc except where explicitly stated otherwise All rights reserved Part Number 000014141 Rev 08 5 21 ...

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