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Related Manuals for Welbilt MANITOWOC RFK
Summary of Contents for Welbilt MANITOWOC RFK
- Page 1 Engineered for Ease Flake & Nugget Machines RFK/UFK/RNK/UNK Models Technician’s Handbook Part Number STH105 5/20...
- Page 3 Safety Notices Read these precautions to prevent personal injury: • 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. • Routine adjustments and maintenance procedures outlined in this manual are not covered by the warranty.
- Page 4 Warning Follow these electrical requirements during installation of this equipment. • All field wiring must conform to all applicable codes of the authority having jurisdiction. It is the responsibility of the end user to provide the disconnect means to satisfy local codes. Refer to rating plate for proper voltage.
- Page 5 Warning Follow these precautions to prevent personal injury during installation of this equipment: • Installation must comply with all applicable equipment fire and health codes with the authority having jurisdiction. • To avoid instability the installation area must be capable of supporting the combined weight of the equipment and product.
- Page 6 Warning Follow these precautions to prevent personal injury while operating or maintaining this equipment. • Refer to nameplate to identify the type of refrigerant in your equipment. • 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 allow it to move uncontrolled on an inclined surface.
- Page 7 Warning Follow these precautions to prevent personal injury while operating or maintaining this equipment. • Objects placed or dropped in the bin can affect human health and safety. Locate and remove any objects immediately. • Never use sharp objects or tools to remove ice or frost.
- Page 8 Warning Follow these precautions to prevent personal injury during use and maintenance of this equipment: • It is the responsibility of the equipment owner to perform a Personal Protective Equipment Hazard Assessment to ensure adequate protection during maintenance procedures. • Do Not Store Or Use Gasoline Or Other Flammable Vapors Or Liquids In The Vicinity Of This Or Any Other Appliance.
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Page 9: Table Of Contents
Table of Contents General Information Model Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Flake Air &... - Page 10 Maintenance Cleaning and Sanitizing . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Exterior Cleaning.
- Page 11 Troubleshooting UFK0200/UFK0244/UFK0350/UFK0388/UFK0399 UNK0200/UNK0300 Troubleshooting . . . . . . . . . . . . . 41 Self-Contained Air-Cooled ....41 RFK0320/RNK0320 Troubleshooting .
- Page 12 Charts Ice Production & Refrigerant Pressure . . . . . . . . . . . . 95 Flake Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 UFK0200A .
- Page 13 Diagrams Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 Flake Models .
- Page 14 Refrigeration Tubing Schematics UFK0200/UFK0350/UNK0200/UNK0300 ..159 RFK0320/RNK0320 Air-cooled ....160 RFK0620/RNK0620/RNK1100 Air & Water-cooled......... .161 RNF1020C QuietQube Head Section &...
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Page 15: General Information
General Information Model Numbers FLAKE AIR & WATER-COOLED MODELS Flake Models R452A Refrigerant R452A Refrigerant R452A Refrigerant Self Storage Air- Modular Air-Cooled Modular Water- Cooled Models Models Cooled Models UFK0200A – – UFK0244A – – UFK0350A – – UFK0388A – –... -
Page 16: Quietqube Models With Remote Condensing Unit
QUIETQUBE MODELS WITH REMOTE CONDENSING UNIT Flake Models QuietQube Head Remote Condensing Unit RFF1220C RJC1275 RFF2200C RJC2375 Nugget Models QuietQube Head Remote Condensing Unit RNF1020C RCUF1200 RNF2000C RJC2375 Rack Models QuietQube Head Refrigeration System RFK1279R Supplied by Others RFK2379R Supplied by Others Ice Machine Heat of Rejection Series Ice Machine Heat of Rejection BTU/Hour... -
Page 17: Ice Machine Warranty Information
Ice Machine Warranty Information For warranty information visit: www.manitowocice.com/ Service/Warranty • Warranty Coverage Information • Warranty Registration • Warranty Verification Warranty coverage begins the day the ice machine is installed. WARRANTY REGISTRATION & CLAIM PROCEDURES Scan the QR code with your smart device or enter the link in a web browser to access: •... -
Page 18: Manitowoc Cleaner/Descaler And Sanitizer
Manitowoc Cleaner/Descaler and Sanitizer Manitowoc Ice Machine Cleaner/Descaler and Sanitizer are available in 16 oz. (473 ml) bottles. These are the only cleaner and sanitizer approved for use with Manitowoc products. Cleaner/Descaler Part Number Sanitizer Part Number 473 ml (16 oz.) 000000084 473 ml (16 oz.) 9405653... -
Page 19: Installation
Installation Installation Requirements The location selected for the ice machine must meet the following criteria. If any of these criteria are not met, select another location. • Air temperature - Minimum 10°C (50°F), Maximum 43°C (110°F) • The location must be free of airborne and other contaminants. -
Page 20: Potable Water Requirements
Potable Water Requirements • Plumbing must conform to local codes. • Water temperature: Minimum 3°C (37°F), Maximum 32°C (90°F). • Do not connect the ice machine to a hot water supply. Be sure all hot water restrictors installed for other equipment are working. -
Page 21: Ice Machine Clearance Requirements
Ice Machine Clearance Requirements All Models Clearance Requirements Back 12.7 cm (5”) Sides/Top 20.3 cm (8”) RJC Units Remote Condensing Unit Front/Back 61.0 cm (24”) Sides/Top 15.2 cm (6”) 61 cm (24”) clearance on top and sides is recommended for serviceability NOTE: Allowance must be made for removal when the ice machine is built-in. -
Page 22: Electrical Service
Electrical Service Warning All wiring must conform to local, state and national codes. VOLTAGE The maximum allowable voltage variation is ± 10% of the rated voltage on the ice machine model/serial number plate at compressor start-up. FUSE/CIRCUIT BREAKER A separate fuse/circuit breaker must be provided for each ice machine. -
Page 23: Maximum Breaker/Minimum Circuit Amperage
Maximum Breaker/Minimum Circuit Amperage Chart NOTE: Due to continuous improvements, this information is for reference only. Please refer to the ice machine serial number tag to verify electrical data. Model/Serial tag information overrides information listed on these pages. RFK/RNK/UFK/UNK AIR-COOLED MODELS Air-Cooled Voltage Series Ice... -
Page 24: Rfk/Rnk Water-Cooled Models
RFK/RNK WATER-COOLED MODELS Water-Cooled Series Ice Voltage Phase Machine Cycle Fuse/ Circuit Circuit Breaker Amps 230/1/50 25 Amp 15.4 RNK0620 230/1/50 25 Amp 15.4 RFK0620 230/1/50 20 Amp 11.2 RNK1100 230/1/50 20 Amp 11.2 RFK1300 400-415/3/50 16 Amp 13.9 RFK2500 RFF/RNF QUIETQUBE MODEL HEAD SECTIONS Remote Air-Cooled Series Ice... -
Page 25: Cleaning And Sanitizing
Maintenance Cleaning and Sanitizing Maintenance procedures covered in this manual are not covered by the warranty. Caution Use only Manitowoc approved Ice Machine Cleaner/ Descaler (part number 000000084) and Sanitizer (part number 9405653). Do not mix Cleaner/Descaler and Sanitizer solutions together. It is a violation of Federal law to use these solutions in a manner inconsistent with their labeling. - Page 26 Detailed Descaling and Sanitizing Procedure Use Ice Machine Cleaner/Descaler part number 000000084. Use Ice Machine Sanitizer part number 9405653. Remove front and top covers and set the toggle Step 1 switch to the OFF position. Remove all ice from the bin. Step 2 Turn off the ice making water supply and drain Step 3...
- Page 27 Move the toggle switch to the ON position. The Step 7 ice machine will make ice with the descaling solution and deposit the ice in the bin. Add the remaining descaler/ water solution as the water level in the reservoir drops. NOTE: Do not allow the descaler/water solution level to drop below the minimum water level.
- Page 28 Hand descale the removed part(s) in a properly mixed solution of descaler and water. Solution Type Water Mixed With Descaling 4 liter 500 milliliter (16 oz) (1 gal) Cleaner/Descaler Part Number 000000084 Use a soft-bristle brush or sponge (NOT a wire brush) to carefully clean the parts.
- Page 29 Reassemble all components removed in step 10 Step 11 into the ice machine. Refer to chart and premix water and sanitizer. Step 12 Amount of Water Amount of Sanitizer 4 liter (1 gal) Water 15 milliliter (1/2 oz) Fill the evaporator and reservoir with sanitizer/ Step 13 water solution.
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Page 30: Remedial Cleaning Procedure For Heavily Scaled Ice
Remedial Cleaning Procedure for Heavily Scaled Ice Machines Perform this procedure if you have some or all of these symptoms. • Excessive grinding, popping or squealing noises from the evaporator • Grinding noise from gearbox • Ice machine trips speed sensor NOTE: A Cleaning/Sanitizing Procedure must be performed after this procedure. - Page 31 Refer to chart and premix cleaner/descaler Step 5 with lukewarm water in a non-metallic container. Model Water Mix Cleaner/Descaler and Reservoir Water Capacity Use Ice machine cleaner/ descaler, part number 000000084 only Cleaner Water UNK0200 UFK0200 UFK0244 400 ml 266 ml 148 ml UFK0350 (14 oz)
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Page 32: Cleaning The Air Filter And Condenser
CLEANING THE AIR FILTER AND CONDENSER Warning Disconnect electric power to the ice machine at the electric service switch before cleaning the condenser. The condenser fins are sharp. Use care when cleaning them. Air-Cooled Condenser Clean the condenser at least every six months. Follow the steps below. -
Page 33: Removal From Service/Winterization
Removal from Service/Winterization Caution If water is allowed to remain in the ice machine in freezing temperatures, severe damage to some components could result. Damage of this nature is not covered by the warranty. Follow the procedure below. 1. Disconnect the electric power at the circuit breaker or the electric service switch. - Page 34 THIS PAGE INTENTIONALLY LEFT BLANK Part Number STH105 5/20...
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Page 35: Sequence Of Operation
Sequence of Operation Ice Making Sequence of Operation NOTE: Flake ice machines use an auger to remove ice from the evaporator. Occasional noises (creaks, groans, squeaks, or pops) are a normal part of the ice making process. UFK0244/UFK0200/UFK0350/UFK0388/UFK0399 & UNK0200/UNK0300 OPERATION The ice machine will not start until: The rocker switch is moved to “ON”. -
Page 36: Rnk0620/Rfk0620/Rnk1100/Rfk1300/Rfk2500 Operation
RNK0620/RFK0620/RNK1100/RFK1300/RFK2500 OPERATION When the toggle switch is placed in the ON position the following controls must be in the closed position before the ice machine will start: Bin Thermostat High Pressure Cut-out Switch Ice Chute Safety Switch Low Pressure Switch Low Water Level Switch Placing the toggle switch in the ON position starts the gear motor. -
Page 37: Rff1220C/Rnf2000C/Rff2200C
RFF1220C/RNF2000C/RFF2200C Remote Air-cooled Condensing Unit Models When the toggle switch is placed in the ON position the following controls must be in the closed position before the ice machine will start: Bin Thermostat High Pressure Cut-out Switch Ice Chute Safety Switch Low Pressure Switch Low Water Level Switch Placing the toggle switch in the ON position starts the gear... - Page 38 Ice Production/Quality Check QUALITY CHECK Ice quality varies with ambient and water temperatures, and is measured by the amount of water in the ice. Generally speaking, higher incoming water temperature results in lower ice quality. Lower water temperature results in higher ice quality. ICE PRODUCTION CHECK NOTE: Ice production checks that are within 10% of the charted capacity are considered normal due to variances...
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Page 39: Thermostat Settings
Thermostat Settings Bin Thermostat: The bin thermostat sensing bulb is located in the ice chute on modular models and in the bin thermostat holder on the right side of the bin on self storage models. The bin thermostat turns the ice machine on and off as the level of ice in the bin changes. - Page 40 Thermostat Setting Chart NOTE: Settings are for reference only. Factory setting is indicated on control label and overrides information listed on this page. Model Bin Thermostat Evaporator Setting Thermostat Setting UNK0200 UFK0200 UFK0244 UNK0300 RFK0320 RNK0320 UFK0350 UFK0388 UFK0399 RNK0620 RFK0620 RNK1100 RFF1220C...
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Page 41: Ufk0200/Ufk0244/Ufk0350/Ufk0388/Ufk0399
Troubleshooting Diagnostic troubleshooting for the ice machine involves following flowcharts that are dependent on symptoms of the failed machine. Follow the flowcharts for the failure symptom and model you are working on. NOTE: Refer to the sequence of operation to determine where in the sequence the ice machine has failed. - Page 42 Part Number STH105 5/20...
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Page 47: Rfk0320/Rnk0320 Troubleshooting
RFK0320/RNK0320 Troubleshooting SELF-CONTAINED AIR-COOLED When the toggle switch is placed in the “ON” position the following controls must be in the closed position before the ice machine will start: Bin Thermostat Ice Chute Safety Switch Low Water Level Switch High Pressure Cut-out Switch Low Pressure Cut-Out Switch Placing the toggle switch in the ON position starts the gear motor and an 8 minute compressor time delay. - Page 48 Part Number STH105 5/20...
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Page 53: Rnk0620/Rfk0620/Rnk1100/Rfk1300 Rfk2500
RNK0620/RFK0620/RNK1100/RFK1300 RFK2500 Troubleshooting SELF-CONTAINED AIR-COOLED Normal Operation When the toggle switch is placed in the ON position the following controls must be in the closed position before the ice machine will start: Bin Thermostat High Pressure Cut-out Switch Ice Chute Safety Switch Low Pressure Switch Low Water Level Switch NOTE: Placing the toggle switch in the ON position starts... - Page 54 Part Number STH105 5/20...
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Page 59: Rff1220C/Rff2200C Troubleshooting
RFF1220C/RFF2200C Troubleshooting QUIETQUBE REMOTE AIR-COOLED MODELS WITH REMOTE CONDENSING UNIT Normal Operation When the toggle switch is placed in the ON position the following controls must be in the closed position before the ice machine will start: Bin Thermostat High Pressure Cut-out Switch Ice Chute Safety Switch Low Pressure Switch Low Water Level Switch... - Page 60 Part Number STH105 5/20...
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Page 66: Rfk2500 Troubleshooting
RFK2500 Troubleshooting SELF-CONTAINED AIR-COOLED Normal Operation When the toggle switch is placed in the ON position the following controls must be in the closed position before the ice machine will start: Bin Thermostat High Pressure Cut-out Switch Ice Chute Safety Switch Low Pressure Switch Low Water Level Switch Placing the toggle switch in the ON position starts the... - Page 67 Part Number STH105 5/20...
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Page 73: Rnf1020C Troubleshooting
RNF1020C Troubleshooting QUIETQUBE REMOTE AIR-COOLED MODELS WITH REMOTE CONDENSING UNIT Normal Operation When the toggle switch is placed in the ON position the following controls must be in the closed position before the ice machine will start: Bin Thermostat High Pressure Cut-out Switch Ice Chute Safety Switch Low Pressure Switch Low Water Level Switch... - Page 74 Part Number STH105 5/20...
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Page 81: Refrigeration Troubleshooting
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Page 82: Thermostatic Expansion Valve Models
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Page 83: Component Specifications
Component Specifications Bin Thermostat Model Setting Cut-Out Cut-In UNK0200 UFK0200 UFK0244 3°C ±.1 6°C ±.1 UNK0300 37°F ±1 43°F ±1 UFK0350 UFK0388 UFK0399 RFK0320 2°C ±.1 5.5°C ±. RFK1300 36°F ±1 1 42°F ±1 RNK0320 RNK0620 RFK0620 RNK1100 1.6°C ±.1 5.0°C ±.1 RFF1220C 35°F ±1... -
Page 84: High Pressure Cutout (Hpco) Control
HIGH PRESSURE CUTOUT (HPCO) CONTROL Model Cut-Out Cut-In 1379 kPa ±69 RNK0320 / RFK0620 2250 kPa ±69 13.79 bar ±.69 RFK1300 / RNK0320 / 22.5 bar ±.69 200 psig ±10 RNK0620 / RNK1100 325 psig ±10 Auto Reset 3000 kPa ±69 RFK2500 30 bar ±.69 Manual Reset... -
Page 85: Rotation Sensor
ROTATION SENSOR RFK0620 / RNK0620 / RNK1100 / RNF1020C / RFK1300 RNF2000C / RFK2500 Light Definition Yellow Blinking Time Delay Period Yellow Solid Normal Operation Sensing Red Blinking 2 Time Delay Period - First 1 To 7 Faults Flashes Per Second Red Solid Lockout - 8 Consecutive Faults Due To A Speed Fault... -
Page 86: Low Pressure Cutout (Lpco) Control
LOW PRESSURE CUTOUT (LPCO) CONTROL Model Cut-Out Cut-In UFK0200 / RNK0320 50 kPa ±.2 250 kPa ±.2 RNK0620 / RFK0620 .5 bar ±.2 2.5 bar ±.2 RNK1100 / RFK1300 7 psig ±2 36 psig ±2 RFF2200C / RJC2375 80 kPa ±.2 RFK2500 .8 bar ±.2 Manual Reset... -
Page 87: Total System Refrigerant Charge
Part Number STH105 5/20... - Page 88 Part Number STH105 5/20...
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Page 89: Filter-Driers
FILTER-DRIERS The size of the filter-drier is important. The refrigerant charge is critical. Using an improperly sized filter-drier will cause the ice machine to be improperly charged with refrigerant. Important Driers are covered as a warranty part. The drier must be replaced any time the system is opened for repairs. -
Page 90: System Contamination Cleanup
System Contamination Cleanup This section describes the basic requirements for restoring contaminated systems to reliable service. DETERMINING SEVERITY OF CONTAMINATION System contamination is generally caused by either moisture or residue from compressor burnout entering the refrigeration system. Inspection of the refrigerant usually provides the first indication of system contamination. - Page 91 Contamination/Cleanup Chart Symptoms/Findings Required Cleanup Procedure No symptoms or suspicion of Normal evacuation/ contamination recharging procedure Moisture/Air Contamination symptoms Mild contamination Refrigeration system open to atmosphere cleanup procedure for longer than 15 minutes Refrigeration test kit and/or acid oil test shows contamination No burnout deposits in open compressor lines...
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Page 92: Mild System Contamination Cleanup Procedure
MILD SYSTEM CONTAMINATION CLEANUP PROCEDURE 1. Replace any failed components. 2. If the compressor is good, change the oil. 3. Replace the liquid line drier. NOTE: If the contamination is from moisture, use heat lamps during evacuation. Position them at the compressor, condenser and evaporator prior to evacuation. -
Page 93: Severe System Contamination Cleanup Procedure
SEVERE SYSTEM CONTAMINATION CLEANUP PROCEDURE 1. Remove the refrigerant charge. 2. Remove the compressor. 3. If burnout deposits are found, replace the TXV. 4. Wipe away any burnout deposits from suction and discharge lines at compressor. 5. Sweep through the open system with dry nitrogen. 6. - Page 94 12. Operate the ice machine for 48 – 72 hours. Replace the suction line and liquid line drier if necessary. 13. Follow normal evacuation procedures. Part Number STH105 5/20...
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Page 95: Ice Production & Refrigerant Pressure
Charts Ice Production & Refrigerant Pressure These charts are used as guidelines to verify correct ice machine operation. Accurate collection of data is essential to obtain the correct diagnosis. • Zero out manifold gauge set before obtaining pressure readings to avoid mis-diagnosis. •... -
Page 96: Flake Models
Flake Models UFK0200A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 116 kgs 70°F/50°F 257 lbs 32°C/21°C 90 kgs 90°F/70°F 198 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge... -
Page 97: Ufk0244A
UFK0244A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 82 kgs 70°F/50°F 182 lbs 32°C/21°C 58 kgs 90°F/70°F 151 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 98: Rfk0320A
RFK0320A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 168 kgs 70°F/50°F 370 lbs 32°C/21°C 130 kgs 90°F/70°F 286 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 99: Ufk0350A
UFK0350A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 181 kgs 70°F/50°F 398 lbs 32°C/21°C 149 kgs 90°F/70°F 328 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 100: Ufk0388A
UFK0388A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 151 kgs 70°F/50°F 332 lbs 32°C/21°C 122 kgs 90°F/70°F 270 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 101: Ufk0399A
UFK0399A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 151 kgs 70°F/50°F 332 lbs 32°C/21°C 122 kgs 90°F/70°F 270 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 102: Rfk0620A
RFK0620A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 339 kgs 70°F/50°F 747 lbs 32°C/21°C 230kgs 90°F/70°F 506 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 103: Rfk0620W
RFK0620W SELF CONTAINED WATER-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 335 kgs 70°F/50°F 740 lbs 32°C/21°C 270 kgs 90°F/70°F 596 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 104: Rff1220C With Rjc1275
RFF1220C WITH RJC1275 QUIETQUBE REMOTE CONDENSING UNIT AIR COOLED Characteristics vary depending on operating conditions ICE PRODUCTION Air Temperature 24 Hour Water Temperature Ice Production -29°C/10°C 641 kgs -20°F/50°F 1413 lbs 21°C/10°C 495 kgs 70°F/50°F 1092 lbs 32°C/21°C 435 kgs 90°F/70°F 958 lbs 49°C/21°C... -
Page 105: Rfk1300A
RFK1300A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 573 kgs 70°F/50°F 1264 lbs 32°C/21°C 431 kgs 90°F/70°F 950 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 106: Rfk1300W
RFK1300W SELF CONTAINED WATER-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 619 kgs 70°F/50°F 1365 lbs 32°C/21°C 506 kgs 90°F/70°F 1116 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 107: Rff2200C With Rjc2375
RFF2200C WITH RJC2375 QUIETQUBE REMOTE CONDENSING UNIT AIR COOLED Characteristics vary depending on operating conditions ICE PRODUCTION Air Temperature 24 Hour Water Temperature Ice Production -29°C/10°C 1090 kgs -20°F/50°F 2403 lbs 21°C/10°C 936 kgs 70°F/50°F 2063 lbs 32°C/21°C 772 kgs 90°F/70°F 1702 lbs 49°C/21°C... -
Page 108: Rfk2500A
RFK2500A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 1044 kgs 70°F/50°F 2301 lbs 32°C/21°C 755 kgs 90°F/70°F 1665 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 109: Nugget Models
Nugget Models UNK0200A SELF STORAGE AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 97 kgs 70°F/50°F 231 lbs 32°C/21°C 74 kgs 90°F/70°F 164 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge... -
Page 110: Unk0300A
UNK0300A SELF STORAGE AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 150 kgs 70°F/50°F 330 lbs 32°C/21°C 125 kgs 90°F/70°F 275 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 111: Rnk0320A
RNK0320A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 hour Water Temperature Ice Production 21°C/10°C 140 kgs 70°F/50°F 308 lbs 32°C/21°C 107 kgs 90°F/70°F 236 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Entering Discharge Suction... -
Page 112: Rnk0620A
RNK0620A SELF CONTAINED AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 Hour Water Temperature Ice Production 21°C/10°C 268 kgs 70°F/50°F 591 lbs 32°C/21°C 204 kgs 90°F/70°F 451 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Around Ice Discharge Suction... -
Page 113: Rnk0620W
RNK0620W WATER-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 Hour Water Temperature Ice Production 21°C/10°C 278 kgs 70°F/50°F 613 lbs 32°C/21°C 230 kgs 90°F/70°F 508 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Around Freeze Cycle Ice Machine Discharge Suction... -
Page 114: Rnk1100A
RNK1100A AIR-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 Hour Water Temperature Ice Production 21°C/10°C 489 kgs 70°F/50°F 1078 lbs 32°C/21°C 374 kgs 90°F/70°F 825 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Freeze Cycle Around Ice Discharge Suction Machine... -
Page 115: Rnk1100W
RNK1100W WATER-COOLED Characteristics vary depending on operating conditions. ICE PRODUCTION Air Temperature 24 Hour Water Temperature Ice Production 21°C/10°C 525 kgs 70°F/50°F 1158 lbs 32°C/21°C 435 kgs 90°F/70°F 960 lbs OPERATING PRESSURES kPa & PSIG Air Temperature Around Freeze Cycle Ice Machine Discharge Suction... -
Page 116: Rnf1020C With Rcuf1200
RNF1020C WITH RCUF1200 QUIETQUBE REMOTE CONDENSING UNIT AIR COOLED Characteristics vary depending on operating conditions ICE PRODUCTION Air Temperature 24 Hour Water Temperature Ice Production -29°C/10°C 582 kgs -20°F/50°F 1282 lbs 21°C/10°C 506 kgs 70°F/50°F 1116 lbs 32°C/21°C 408 kgs 90°F/70°F 900 lbs 43°C kPa... -
Page 117: Rnf2000C With Rjc2375
RNF2000C WITH RJC2375 QUIETQUBE REMOTE CONDENSING UNIT AIR COOLED Characteristics vary depending on operating conditions ICE PRODUCTION Air Temperature 24 Hour Water Temperature Ice Production -29°C/10°C 1043 kgs -20°F/50°F 2300 lbs 21°C/10°C 869 kgs 70°F/50°F 1915 lbs 32°C/21°C 670 kgs 90°F/70°F 1476 lbs 43°C kPa... -
Page 118: Rack Models
Rack Models RFK1279R REMOTE REFRIGERATION SYSTEM Characteristics vary depending on operating conditions ICE PRODUCTION Water Temperature 24 Hour Ice Production 10°C 495 kgs 50°F 1092 lbs 21°C 435 kgs 70°F 958 lbs Acceptable Refrigeration Operational Pressure Ranges Freeze Cycle Liquid Line Pressure Suction Pressure 1276-1379 kPa 159-193 kPa... -
Page 119: Rfk2379R
RFK2379R REMOTE REFRIGERATION SYSTEM Characteristics vary depending on operating conditions ICE PRODUCTION Water Temperature 24 Hour Ice Production 10°C 936 kgs 50°F 2063 lbs 21°C 772 kgs 70°F 1702 lbs Acceptable Refrigeration Operational Pressure Ranges Freeze Cycle Liquid Line Pressure Suction Pressure 1207-1379 kPa 176-214 kPa... - Page 120 THIS PAGE INTENTIONALLY LEFT BLANK Part Number STH105 5/20...
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Page 121: Wiring Diagrams
Diagrams Wiring Diagrams The following pages contain electrical wiring diagrams. Be sure you are referring to the correct diagram for the ice machine you are servicing. Warning Always disconnect power before working on electrical circuitry. Part Number STH105 5/20... -
Page 122: Flake Models
Flake Models UFK0200A/UFK0244A/UFK350A/UFK0388/UFK0399A AIR-COOLED Refer to Nameplate for Voltage Rating 241304_01 See page 156 for compressor start component wiring. Part Number STH105 5/20... - Page 123 Wiring Diagram Legend UFK0200A/UFK0244A/UNK0300/UFKF350A/UFK0388/ UFK0399A Air-cooled Gear motor Compressor Condenser fan motor Water inlet valve Low water level safety Bin thermostat High temperature limit (snap disc) Fan cycle control Contactor Water level switch On/Off switch Low pressure safety switch Wire Color Designation White Blue Grey...
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Page 124: Rfk0320A/Rnk0320 Air-Cooled
RFK0320A/RNK0320 AIR-COOLED Refer to Nameplate for Voltage Rating 241182_01 See page 156 for compressor start component wiring. Part Number STH105 5/20... - Page 125 Wiring Diagram Legend RFK0320A/RNK0320 Air-cooled Gear motor Compressor Fan motor Water inlet valve Low water level switch Bin thermostat Fan cycle control Contactor Water level switch Chute safety switch High pressure safety switch On/Off switch Low pressure safety switch Rotation sensor Compressor time delay by-pass Wire Color Designation White...
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Page 126: Rff1220C Quietqube Head Section
RFF1220C QUIETQUBE HEAD SECTION Refer to Nameplate for Voltage Rating Connections • A, B, & C connect to a remote panel when used - Jumper must be removed when remote panel is used • 1 & 2 connect to line voltage •... - Page 127 Wiring Diagram Legend RFF1220C Head Section Gear motor Water inlet valve Low water level safety Bin thermostat Water level switch Ice chute safety switch On/Off switch Rotation sensor Compressor time delay by-pass Solenoid valve Relay Wire Color Designation White Blue Grey Brown Black...
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Page 128: Rfk1300A Air-Cooled
RFK1300A AIR-COOLED Refer to Nameplate for Voltage Rating 2411981_01 See page 157 for compressor start component wiring. Part Number STH105 5/20... - Page 129 Wiring Diagram Legend RFK1300A Air-cooled Gear motor Compressor Fan motor Water inlet valve Low water level switch Bin thermostat Fan cycle control Contactor Water level switch Chute safety switch High pressure safety switch On/Off switch Low pressure safety switch Rotation sensor Compressor time delay bypass Solenoid valve Wire Color Designation...
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Page 130: Rfk1300W Water-Cooled
RFK1300W WATER-COOLED Refer to Nameplate for Voltage Rating BK BN See page 157 for compressor start component wiring. Part Number STH105 5/20... - Page 131 Wiring Diagram Legend RFK1300W Water-cooled Gear motor Compressor Water inlet valve Low water level switch Bin thermostat Contactor Water level switch Chute safety switch High pressure safety switch On/Off switch Low pressure safety switch Rotation sensor Compressor time delay bypass Solenoid valve Wire Color Designation Grey...
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Page 132: Rnf2000C Quietqube Head Section
RNF2000C QUIETQUBE HEAD SECTION Refer to Nameplate for Voltage Rating Connections • A, B, & C connect to a remote panel when used - Jumper must be removed when remote panel is used • 1 & 2 connect to line voltage •... - Page 133 Wiring Diagram Legend RNF2000C Head Section Gear Motor Water inlet valve Low water level safety Bin thermostat Water level switch Ice chute safety switch On/Off switch Rotation sensor Compressor time delay by-pass Solenoid Valve Relay Wire Color Designation White Blue Grey Brown Black...
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Page 134: Rff2200C Quietqube Head Section
RFF2200C QUIETQUBE HEAD SECTION Refer to Nameplate for Voltage Rating Connections • A, B, & C connect to a remote panel when used - Jumper must be removed when remote panel is used • 1 & 2 connect to line voltage •... - Page 135 Wiring Diagram Legend RFF2200C Head Section Gear motor Water inlet valve Low water level safety Bin thermostat Water level switch Ice chute safety switch On/Off switch Rotation sensor Compressor time delay by-pass Solenoid valve Relay Wire Color Designation White Blue Grey Brown Black...
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Page 136: Rfk2500A Air-Cooled
RFK2500A AIR-COOLED Refer to Nameplate for Voltage Rating Connections • A & B connect to a remote panel when used - Jumper must be removed when remote panel is used • C & D energize a remote alarm indication when used 241142_02 See page 157 for compressor start component wiring. - Page 137 Wiring Diagram Legend RFK2500A Air-Cooled Gear motor Compressor Condenser fan motor Water inlet valve Low water level safety Bin thermostat Fan cycle control Contactor Water level switch Ice chute safety switch High pressure safety switch Compressor relay On/Off switch Compressor time delay Low pressure cut out Compressor time delay relay Rotation sensor...
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Page 138: Nugget Models
Nugget Models UNK0200A/UNK0300AAIR-COOLED Refer to Nameplate for Voltage Rating 24683_05 See page 156 for compressor start component wiring. Part Number STH105 5/20... - Page 139 Wiring Diagram Legend UNK0200A/UNK0300A Air-Cooled Gear Motor Compressor Condenser fan motor Water Inlet valve Evaporator low temperature safety thermostat Low water level safety Bin thermostat High temperature limit (snap disc) Fan cycle control Contactor Water level switch Compressor relay On/Off switch Wire Color Designation White Blue...
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Page 140: Rnk0320A Air-Cooled
RNK0320A AIR-COOLED Refer to Nameplate for Voltage Rating 241289_01 See page 156 for compressor start component wiring. Part Number STH105 5/20... - Page 141 Wiring Diagram Legend RNK0320A Air-cooled Gear Motor Compressor Condenser fan motor Water inlet valve Evaporator low temperature safety thermostat Low water level safety Bin thermostat Fan cycle control Contactor Water level switch Ice chute safety switch On/Off switch Compressor time delay Compressor time delay by-pass Wire Color Designation White...
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Page 142: Rnk0620A Air-Cooled
RNK0620A AIR-COOLED Refer to Nameplate for Voltage Rating BK BN 241182_01 See page 156 for compressor start component wiring. Part Number STH105 5/20... - Page 143 Wiring Diagram Legend RNK0620A Air-cooled Gear Motor Compressor Condenser fan motor Water inlet valve Low water level safety Bin thermostat Fan cycle control Contactor Water level switch Ice chute safety switch High pressure cut out On/Off switch Low pressure cut out Rotation sensor Compressor time delay by-pass Wire Color Designation...
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Page 144: Rnk0620W Water-Cooled
RNK0620W WATER-COOLED Refer to Nameplate for Voltage Rating 241182_01 See page 156 for compressor start component wiring. Part Number STH105 5/20... - Page 145 Wiring Diagram Legend RNK0620W Water-cooled Gear Motor Compressor Water inlet valve Low water level safety Bin thermostat Contactor Water level switch Ice chute safety switch High pressure cut out On/Off switch Low pressure cut out Rotation sensor Compressor time delay by-pass Wire Color Designation White Blue...
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Page 146: Rnf1020C Quietqube Head Section
RNF1020C QUIETQUBE HEAD SECTION Refer to Nameplate for Voltage Rating Connections • A, B, & C connect to a remote panel when used - Jumper must be removed when remote panel is used • 1 & 2 connect to line voltage •... - Page 147 Wiring Diagram Legend RNF1020C Head Section Gear Motor Water inlet valve Low water level switch Bin thermostat Water level switch Chute safety switch Relay On/Off switch Rotation sensor Compressor time delay by-pass (Service Staff only) Solenoid Valve Wire Color Designation Orange White Blue...
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Page 148: Rnk1100A Air-Cooled
RNK1100A AIR-COOLED Refer to Nameplate for Voltage Rating 241198_01 See page 156 for compressor start component wiring. Part Number STH105 5/20... - Page 149 Wiring Diagram Legend RNK1100A Air-cooled Gear Motor Compressor Condenser fan motor Water inlet valve Low water level safety Bin thermostat Fan cycle control Contactor Water level switch Ice chute safety switch High pressure cut out On/Off switch Low pressure cut out Rotation sensor Compressor time delay by-pass Solenoid...
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Page 150: Rnk1100W Water-Cooled
RNK1100W WATER-COOLED Refer to Nameplate for Voltage Rating 241198_01 See page 156 for compressor start component wiring. Part Number STH105 5/20... - Page 151 Wiring Diagram Legend RNK1100W Water-Cooled Gear Motor Compressor Water inlet Valve Low Water Level Switch Bin Thermostat Contactor Water level switch Chute safety switch High pressure safety switch On/Off switch Low pressure safety switch Rotation sensor Compressor time delay by-pass (Service staff only) Solenoid Valve Wire Color Designation White...
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Page 152: Condensing Units
Condensing Units RJC AND RCUF CONDENSING UNIT 1PH Refer to Nameplate for Voltage Rating Part Number STH105 5/20... - Page 153 Wiring Diagram Legend RCUF Condensing Unit High pressure cutout control Thermostat - Receiver heater Receiver heater RJC1275 1 heater - RCUF1200 2 heaters Low pressure cutout control Contactor coil Contactor contacts Condenser fan motor Condenser fan motor Run capacitor Compressor Compressor overload Compressor Run capacitor Compressor relay...
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Page 154: Rjc And Rcuf Condensing Unit 3Ph
RJC AND RCUF CONDENSING UNIT 3PH Refer to Nameplate for Voltage Rating Part Number STH105 5/20... - Page 155 Wiring Diagram Legend RCUF Condensing Unit High pressure cutout control Thermostat - Receiver heater Receiver heater Low pressure cutout control Contactor coil Contactor contacts Condenser fan motor Condenser fan motor Run capacitor Compressor Part Number STH105 5/20...
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Page 156: Compressor Start Component Wiring
Compressor Start Component Wiring UFK0200/UNK0200 UNK0300/RFK0320/UFK0350/UNKF0350/RFK0620 (YEL) (YEL) Part Number STH105 5/20... -
Page 157: Rfk1300/Rfk2500
RFK1300/RFK2500 (YEL) (YEL) Compressor Wiring Legend Compressor Run Capacitor Start Capacitor Relay Overload Part Number STH105 5/20... - Page 158 THIS PAGE INTENTIONALLY LEFT BLANK Part Number STH105 5/20...
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Page 159: Refrigeration Tubing Schematics
Refrigeration Tubing Schematics UFK0200/UFK0350/UNK0200/UNK0300 Tubing Diagram Legend Compressor Condenser Liquid Line Drier Capillary tube Accumulator Heat Exchanger Evaporator Part Number STH105 5/20... -
Page 160: Rfk0320/Rnk0320 Air-Cooled
RFK0320/RNK0320 AIR-COOLED Tubing Diagram Legend Compressor Condenser Liquid Line Drier Heat Exchanger Automatic Expansion Valve Evaporator Part Number STH105 5/20... -
Page 161: Rfk0620/Rnk0620/Rnk1100 Air & Water-Cooled
RFK0620/RNK0620/RNK1100 AIR & WATER-COOLED Tubing Diagram Legend Compressor Condenser (Air or Water-cooled) Liquid Line Drier Liquid Line Solenoid Valve Suction Accumulator Thermostatic Expansion Valve Liquid Accumulator Evaporator Part Number STH105 5/20... -
Page 162: Rnf1020C Quietqube Head Section & Rcuf1200
RNF1020C QUIETQUBE HEAD SECTION & RCUF1200 CONDENSING UNIT Part Number STH105 5/20... - Page 163 Tubing Diagram Legend Compressor Check Valve Head Pressure Control Valve Condenser (air or water cooled) Receiver Condensing Unit Liquid Line Drier Liquid Line Shut-off Valve Ice Machine Liquid Line Drier Liquid Line Solenoid Valve Thermostatic Expansion Valve Evaporator S Trap (20’ + Rise Only) Suction Line Shut-off Valve Suction Line Filter Suction Accumulator...
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Page 164: Rff1220C & Rcuf1200 Condensing Unit
RFF1220C & RCUF1200 CONDENSING UNIT Part Number STH105 5/20... - Page 165 RFF1220C & RCUF1200 Tubing Diagram Legend Compressor Check Valve Head Pressure Control Valve Condenser (air or water cooled) Receiver Condensing Unit Liquid Line Drier Liquid Line Shut-off Valve Ice Machine Liquid Line Drier Liquid Line Solenoid Valve Thermostatic Expansion Valve Evaporator Suction Line Shut-off Valve Suction Line Filter...
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Page 166: Rnf2000C Quietqube Head Section & Rjc2375
RNF2000C QUIETQUBE HEAD SECTION & RJC2375 CONDENSING UNIT Part Number STH105 5/20... - Page 167 Tubing Diagram Legend Compressor Check Valve Head Pressure Control Valve Condenser (air or water cooled) Receiver Condensing Unit Liquid Line Drier Liquid Line Shut-off Valve Ice Machine Liquid Line Drier Liquid Line Solenoid Valve Thermostatic Expansion Valve Evaporator Liquid Accumulator Suction Line Shut-off Valve Suction Line Filter Suction Accumulator...
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Page 168: Rff2200C Quietqube Head Section & Rjc2375
RFF2200C QUIETQUBE HEAD SECTION & RJC2375 CONDENSING UNIT Part Number STH105 5/20... - Page 169 Tubing Diagram Legend Compressor Check Valve Head Pressure Control Valve Condenser (air or water cooled) Receiver Condensing Unit Liquid Line Drier Liquid Line Shut-off Valve Ice Machine Liquid Line Drier Liquid Line Solenoid Valve Thermostatic Expansion Valve Liquid Accumulator Evaporator Suction Line Shut-off Valve Suction Line Filter Suction Accumulator...
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Page 170: Rfk1300 Air & Water-Cooled
RFK1300 AIR & WATER-COOLED Tubing Diagram Legend Compressor Condenser Liquid Line Drier Liquid Line Solenoid Valve Suction Accumulator Thermostatic Expansion Valve Liquid Accumulator Evaporator Part Number STH105 5/20... -
Page 171: Rfk2500 Air-Cooled
RFK2500 AIR-COOLED Tubing Diagram Legend Compressor Condenser Liquid Line Drier Liquid Line Solenoid Valve Suction Accumulator Thermostatic Expansion Valve Liquid Accumulator Evaporator Part Number STH105 5/20... - Page 172 THIS PAGE INTENTIONALLY LEFT BLANK Part Number STH105 5/20...
- Page 176 MANITOWOC ICE 2110 SOUTH 26TH STREET MANITOWOC, WI 54220 844-724-2273 WWW.MANITOWOCICE.COM ©2018 Welbilt Inc. except where explicitly stated otherwise. All rights reserved. Part Number STH105 5/20...
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