Manitowoc RF1200W Technician'S Handbook Download Page 104

Page: 104 / 252

104

Par

t Number

00000766

1 6/13

Low Pressure

Control Closed?

Evaporator Cold?

Replace LPCO

Allow Evaporator To

Warm And Retest

Refrigerant Pressure

Below Cut-out?

Repair Refrigerant Leak,

Evacuate, Recharge

Yes

Right Side Chute

Switch Closed?

Adjust Or Replace

Actuator

Ice Contacting

Actuator?

Remove Ice And

Retest

Actuator Functions?

Replace Switch

Yes

YES

Reservoir Full Of

Water?

Restore Water Supply / Replace Water Inlet Valve

Power To Water

Inlet Valve?

Yes

Water Level

Switch Closed?

Repair Wiring

Yes

Replace Switch or Float Assembly

Yes

Summary of Contents for RF1200W

Page 1: ...ook This manual is updated as new information and models are released Visit our website for the latest manual www manitowocice com America s 1 Selling Ice Machine Manitowoc R Model Flake Nugget Part Number 000007661 6 13 ...

Page 2: ......

Page 3: ... Throughout this handbook you will see the following types of safety notices Warning Text in a Warning box alerts you to a potential personal injury situation Be sure to read the Warning statement before proceeding and work carefully Caution Text in a Caution box alerts you to a situation in which you could damage the equipment Be sure to read the Caution statement before proceeding and work caref...

Page 4: ...andbook you will see the following types of procedural notices NOTE Text set off as a Note provides you with simple but useful extra information about the procedure you are performing Important Text in an Important box provides you with information that may help you perform a procedure more efficiently Disregarding this information will not cause damage or injury but it may slow you down as you wo...

Page 5: ...tine adjustments and maintenance procedures outlined in this handbook are not covered by the warranty Warning 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 Warning Do not use electrical appliances or accessories other than those supplied by Manitowoc for your...

Page 6: ...he refrigeration circuit when installing maintaining or servicing the unit Warning 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 ...

Page 7: ...nity of this or any other appliance Warning Do not clean with water jet Warning It is the responsibility of the equipment owner to perform a Personal Protective Equipment Hazard Assessment to ensure adequate protection during maintenance procedures Warning Two or more people are required to move this equipment to prevent tipping ...

Page 8: ...tdoors f For a cord connected appliance the following must be included Do not unplug by pulling on cord To unplug grasp the plug not the cord Unplug from outlet when not in use and before servicing or cleaning Do not operate any appliance with a damaged cord or plug or after the appliance malfunctions or is dropped or damaged in any manner Contact the nearest authorized service facility for examin...

Page 9: ...ements 19 Potable Water Requirements 20 Drain Connections 20 Ice Machine Clearance Requirements 21 Cooling Tower Applications 21 Electrical Service 22 Voltage 22 Fuse Circuit Breaker 22 Ground Fault Interrupter Circuit GFIC 22 Operation Ice Making Sequence of Operation 23 RF0244 RNS0244 RF0266 RF0385 RFS0385 RNS0385 RF0388 RF0399 23 RF0300 24 RFS0300 RNS0308 25 RF0644 RF0650 RF1200 RFS1200 RF2300 ...

Page 10: ... Troubleshooting RF0244 RF0266 RF0385 RFS0385 RF0388 RF0399 Troubleshooting 63 Self Contained Air Cooled 63 Electrical Diagnostic Flowchart 64 RF0300 Troubleshooting 69 Self Contained Air Cooled 69 Electrical Diagnostic Flowchart 70 RFS0300 RNS0308 Troubleshooting 75 Self Contained Air Cooled 75 Electrical Diagnostic Flowchart 76 RF0644 RF0650 RF1200 RFS1200 Troubleshooting 81 Self Contained Air C...

Page 11: ...stic Flowchart 109 RF2300R RFS2300R Troubleshooting 116 Head Section For Rack Refrigeration systems 116 Rotation Sensor Operation 116 Electrical Diagnostic Flowchart 117 RN0400 Troubleshooting 124 Over Torque Failure 124 Water Loss Failure 127 Electrical Diagnostic Flowchart 128 RN1000 RN1400 Troubleshooting 133 Indicator Light Operation 133 Control Board Errors 136 Electrical Diagnostic Flowchart...

Page 12: ... 170 RF0644A 171 RF0650A RFS0650 172 RF0650W 173 RF1200A RFS1200A 174 RF1200W RFS1200W 175 RF1278C RFS1278C With RCU1075 176 RF2300A 177 RF2300W 178 RF2378C RFS2378C with RCU2375 179 Nugget Models 180 RNS0244A 180 RNS0308A 181 RNS0385A 182 RN0408A 183 RN1008A 184 RN1009W 185 RN1408A 186 RN1409W 187 RN1078C With RCU1075 188 RN1278C With RCU1275 189 Rack Models 190 RF1279R 190 RFS1279R 191 RF2379R 1...

Page 13: ...ead Section 206 RF2300 RFS2300 Air Cooled Water cooled 208 RF2378C RFS2378C QuietQube Head Section 210 Condensing Units 212 RCU Condensing Unit 1ph 212 RCU Condensing Unit 3ph 213 Rack Models 214 RF1279R RFS1279R Head Section 214 RF2379R RFS2379R Head Section 216 Nugget Models 218 RNS0244 RNS0385 Air Cooled 218 RNS0308 Air Cooled 220 RN0400 115v 60hz 1ph 222 RN0400 230v 60hz 1ph 223 RNS1000 Air Co...

Page 14: ...ooled 232 RF2300 RFS2300 Air cooled 234 RF2300 RFS2300 Water cooled 236 RF1200C RFS1200C QuietQube Head Section RCU1075 Condensing Unit 238 RF2300C RFS2300 QuietQube Head Section RCU2375 Condensing Unit 240 Nugget Models 242 RN0244 RNS0244 RN0385 RNS0385 Air Water cooled 242 RNS0308 244 RN0400 RN1000 RN1400 Air Water cooled 246 RN1000C RN1200C QuietQube Head Section RCU1075 RCU1275 Condensing Unit...

Page 15: ...Modular Air Cooled Modular Water Cooled RF0244A RF0266A RF0385A RF0388A RF0399A RF0300A RFS0300A RF0644A RF0650A RF0650W RFS0650A RFS0650W RF1200A RF1200W RFS1200A RFS1200W RF2300A RF2300W Nugget Models Self Storage Air Cooled Self Storage Water Cooled Modular Air Cooled Modular Water Cooled RNS0244A RNS0308A RNS0385A RN0408A RNS1008A RN1008A RN1009W RN1408A RN1409W ...

Page 16: ...tion with rack systems and will not function correctly with RCU condensing units Flake Models QuietQube Head RCU Remote Condensing Unit RF1278C RCU1075 RFS1278C RCU1075 RF2378C RCU2375 RFS2378C RCU2375 Nugget Models QuietQube Head RCU Remote Condensing Unit RN1078C RCU1075 RN1278C RCU1275 Flake Models Head Section Rack Remote Condensing Unit RF1279R Supplied by Others RFS1279R Supplied by Others R...

Page 17: ...o the ice machine Manitowoc Cleaner and Sanitizer Manitowoc Ice Machine Cleaner and Sanitizer are available in 16 oz 473 ml bottles These are the only cleaner and sanitizer approved for use with Manitowoc products Ice Machine Warranty Information Warranty information for all ice machine models is available on our website at www manitowocice com Cleaner Part Number Sanitizer Part Number 16 oz 00000...

Page 18: ...18 Part Number 000007661 6 13 This Page Intentionally Left Blank ...

Page 19: ...um 110 F 43 C The location must be free of airborne and other contaminants The location must not be near heat generating equipment or in direct sunlight The location must be capable of supporting the weight of the ice machine and a full bin of ice The location must allow enough clearance for water drain and electrical connections in the rear of the ice machine The location must not obstruct airflo...

Page 20: ...or from your Manitowoc distributor A water shut off valve is required to clean the ice machine A union for both the ice making and condenser water lines is required Water inlet lines require insulation to prevent condensation RF RFS RFN Models A back flow preventer is required on water inlet lines Drain Connections Drain lines must have a 1 5 inch drop per 5 feet of run 2 5 cm per meter and must n...

Page 21: ...harge pressure It is necessary to know the amount of heat rejection and pressure drop through the condenser and water valves inlet and outlet when using a cooling tower on an ice machine Water entering the condenser must not be lower than 37 F 3 C or exceed 90 F 32 C Water flow through the condenser must not exceed 5 gal 19 L per minute Allow for a pressure drop of 7 psi 48 kPa between the condens...

Page 22: ...ach ice machine Circuit breakers must be H A C R rated does not apply in Canada GROUND FAULT INTERRUPTER CIRCUIT GFIC A GFCI GFI circuit protection is not recommended with our equipment If a GFCI GFI is required by code a GFCI GFI breaker rather than outlet must be used to avoid intermittent nuisance trips Warning All wiring must conform to local state and national codes Warning The ice machine mu...

Page 23: ...ooled 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 A Bin Thermostat B Low Evaporator Temperature Thermostat C Low Water Level Switch Placing the toggle switch in the ON position starts the gear motor and refrigeration system The float valve controls the water inlet valve and water level The freeze cycle ...

Page 24: ... B Ice Chute Safety Switch C Low Water Level Switch D Low Evaporator Temperature Thermostat Placing the toggle switch in the ON position starts the gear motor and a 10 minute compressor time delay The compressor starts and the float valve controls the water inlet valve and water level The freeze cycle ends when ice contacts the bin thermostat The ice machine remains off until ice no longer contact...

Page 25: ... Chute Safety Switch C Low Water Level Switch D High Pressure Cut out Switch E Low Pressure Cut Out Switch Placing the toggle switch in the ON position starts the gear motor and a 10 minute compressor time delay The compressor starts and the float valve controls the water inlet valve and water level The freeze cycle ends when ice contacts the bin thermostat The ice machine remains off until ice no...

Page 26: ...mostat B High Pressure Cut out Switch C Ice Chute Safety Switch D Low Pressure Switch E Low Water Level Switch Placing the toggle switch in the ON position starts the gear motor After the rotation speed sensor verifies 10 minutes of correct rotation the time delay ends and the compressor starts The ice machine will continue to make ice until ice contacts the bin thermostat The ice machine remains ...

Page 27: ...olenoid valve opens When the refrigerant pressure is high enough to close the low pressure control the contactor coil energizes and the compressor starts The refrigerant pressure will increase and close the fan cycling pressure control and the condenser fan motor starts The ice machine will continue to make ice until ice contacts the bin thermostat and the liquid line solenoid valve closes and the...

Page 28: ...fety Switch C Low Water Level Switch Placing the toggle switch in the ON position starts the gear motor After the rotation speed sensor verifies 10 minutes of correct rotation the time delay ends and the liquid line and suction solenoid valves energize The ice machine will continue to make ice until ice contacts the bin thermostat and the liquid line and suction solenoid valves close The ice machi...

Page 29: ...ker switch is moved to ON B Ice does not contact the bin thermostat bulb C The water reservoir is full of water With power supplied and the compressor rocker switch in the ON position the gear motor and refrigeration system start The float valve controls the water inlet valve and water level The freeze cycle ends when ice contacts the bin thermostat A 20 minute delay period initiates The ice machi...

Page 30: ...2 COMPRESSOR F AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET GRD G B W F AN BL ACK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY SW I TCH 4 2 3 R UN ST AR T T O L E U L...

Page 31: ...PRESSOR F AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET GRD G B W F AN BL ACK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY SW I TCH 4 2 3 R UN ST AR T T O L E U L B YE...

Page 32: ...SSOR F AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET GRD G B W F AN BL ACK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY SW I TCH 4 2 3 R UN ST AR T T O L E U L B YEL L...

Page 33: ...nal 60 seconds GRD L1 L1 L2 L2 L2 L2 L2 COMPRESSOR F AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET GRD G B W F AN BL ACK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY S...

Page 34: ...OMPRESSOR F AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET GRD G B W F AN BL ACK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY SW I TCH 4 2 3 R UN ST AR T T O L E U L B ...

Page 35: ... F AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET GRD G B W F AN BL ACK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY SW I TCH 4 2 3 R UN ST AR T T O L E U L B YEL LO W ...

Page 36: ...the ON position starts the gear motor and refrigeration system The water level sensor controls the water inlet valve and water level The freeze cycle ends when ice contact opens the transport tube switch A 60 minute time delay period initiates The ice machine will restart when the ice transport tube switch closes and the 60 minute time delay period expires Flush Cycle The ice machine will automati...

Page 37: ...Red lights indicate an alarm condition The sequence below is for normally operating machines For alarm conditions refer to troubleshooting which starts on page 133 Step 1 Freeze cycle normal light operation The CPU light flashes and the Refrigeration Auger on Low bin and Power lights are on ON OFF ON or OFF FLASHING PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI...

Page 38: ...cycle normal light operation After 1 to 2 hours of ice making the control board will initiate a purge cycle The compressor de energizes and the gear motor and condenser fan motor continue to run After the purge cycle is complete the ice machine starts without a time delay period PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R TIME ...

Page 39: ...sition starts the gear motor and energizes the liquid line solenoid valve The refrigerant pressure at the condensing unit increases and the low pressure switch closes and starts the refrigeration system The water level sensor controls the water inlet valve and water level The freeze cycle ends when ice contact opens the transport tube switch The liquid line solenoid valve closes and the refrigeran...

Page 40: ...Red lights indicate an alarm condition The sequence below is for normally operating machines For alarm conditions refer to troubleshooting which starts on page 133 Step 1 Freeze cycle normal light operation The CPU light flashes and the Refrigeration Auger on Low bin and Power lights are on ON OFF ON or OFF FLASHING PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI...

Page 41: ...cycle normal light operation After 1 to 2 hours of ice making the control board will initiate a purge cycle The compressor de energizes and the gear motor and condenser fan motor continue to run After the purge cycle is complete the ice machine starts without a time delay period PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R TIME ...

Page 42: ...e to variances in air and water temperatures Actual temperatures will seldom match the chart exactly 1 Run the ice machine a minimum of 10 minutes to allow the system to stabilize 2 Catch the ice in a non perforated container for 7 minutes and 12 seconds or for more accuracy 14 minutes and 24 seconds 3 Weigh the container and ice then deduct the weight of the container 4 Convert ounces to pounds 5...

Page 43: ...ce machine label as the initial setting and adjust as required Evaporator Low Temperature Safety Thermostat The evaporator low temperature safety thermostat protects the ice machine if the evaporator temperature is too cold Refer to chart for correct setting 1 2 3 4 5 6 7 1 2 3 4 5 6 7 Bin Thermostat Small Numbers Less ice in bin Large Numbers More ice in bin Start at Chart Setting then adjust as ...

Page 44: ... label and overrides information listed on this page Model Bin Thermostat Setting Evaporator Thermostat Setting RF0244 5 5 RFS0244 5 6 RNS0244 5 5 RF0266 5 5 RF0300 4 7 RFS0300 3 N A RNS0308 3 6 RF0385 5 7 RNS0385 5 7 RF0388 5 7 RF0399 5 7 RF0644 5 N A RF0650 3 N A RFS0650 3 N A RF1200 4 N A RFS1200 3 N A RF2300 3 N A RFS2300 3 N A ...

Page 45: ...e dry with a clean soft cloth Caution Use only Manitowoc approved Ice Machine Cleaner part number 000000084 and Sanitizer part number 9405653 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 Read and understand all labels printed on bottles before use Warning Wear rubber gloves and safety goggle...

Page 46: ...aning and sanitizing procedure must be discarded Procedure to Clean Sanitize Use Ice Machine Cleaner part number 000000084 Use Ice Machine Sanitizer part number 9405653 Step 1 Remove front and top covers and set the toggle switch to the OFF position Step 2 Remove all ice from the bin Step 3 Turn off the ice making water supply and drain water from evaporator and reservoir Step 4 Remove the top cov...

Page 47: ...er solution as the water level in the reservoir drops NOTE Do not allow the cleaner water level to drop below the minimum water level The ice machine will discontinue the cleaning cycle if the water float switch opens Step 8 After all of the cleaner water solution has been added turn on the ice making water supply Continue the freeze cycle for 10 minutes to remove the cleaning solution from the wa...

Page 48: ... remove parts for hand cleaning sanitizing Hand clean all parts Rinse all parts with clear potable water Sanitize all parts do not rinse after sanitizing Spray all interior bin surfaces with sanitizer do not rinse sanitized areas Spray evaporator discharge spout Step 11 Reassemble ice machine Step 12 Turn off the ice making water supply ...

Page 49: ...aining sanitizer water solution when the water level in the reservoir drops NOTE Do not allow the sanitizer water level to drop below the minimum water level The ice machine will discontinue the cleaning cycle if the water float switch opens Step 16 After all of the sanitizer water solution has been added to the reservoir turn on the ice making water supply Step 17 Continue the freeze cycle for 30...

Page 50: ... Grinding noise from gearbox Ice machine trips speed sensor NOTE A Cleaning Sanitizing Procedure must be performed after this procedure Procedure to Clean Heavily Scaled Flake Ice Machines Step 1 Remove front and top covers and set the toggle switch to the OFF position Step 2 Remove all ice from the bin Step 3 Turn off the ice making water supply Step 4 Remove the top cover from water reservoir ...

Page 51: ...urs Step 7 Remove all cleaner water from the evaporator and water reservoir Step 8 Follow the standard cleaning and sanitizing procedures Model Water Reservoir Capacity Mix Cleaner and Water Use Ice machine nickel safe cleaner part number 000000084 only Cleaner Water RF0244 RNS0244 RF0266 RNS0308 RF0385 RNS0385 RF0388 RF0399 RF0644 14 oz 400 ml 9 oz 266 ml 5 oz 148 ml RF0300 RNS0308 RF0650 17 oz 5...

Page 52: ...y mixed solution of cleaner and water Warning Disconnect electric power to the ice machine at the electric switch box and wear rubber gloves and safety goggles or face shield while handling cleaner or sanitizer 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 Solution Type Water Mixed Wi...

Page 53: ...cleaned parts with clear water 7 Mix a solution of sanitizer and water 8 Soak the parts in the sanitizer water solution for 10 minutes Use the sanitizer water solution and a sponge to sanitize all removed components and the inside of the bin Do not rinse the sanitized parts 9 Continue with step 11 of the cleaning sanitizing procedure Solution Type Water Mixed With Sanitizer 3 gal 11 L 2 oz 60 ml s...

Page 54: ...odels have this type of ice chute also 1 Place the toggle switch in the OFF position turn off the water supply and disconnect electrical power to the ice machine 2 Disconnect water supply 3 Remove water reservoir cover 4 Remove microswitch and bin thermostat from the ice chute 5 Remove retainer ice chute elbow and ice chute ...

Page 55: ...Part Number 000007661 6 13 55 ...

Page 56: ... page 1 Place the toggle switch in the OFF position turn off the water supply and disconnect electrical power to the ice machine 2 Disconnect water supply 3 Remove water reservoir cover 4 Remove bin thermostat from ice chute 5 Loosen bolts holding cross member 6 Lift cross member and remove ice chute LOOSEN SUPPORT BOLTS TIP TOP OF ICE CHUTE BACK AND LIFT TO REMOVE ...

Page 57: ...WITCH ACTUATOR REMOVAL RFS0300 RF0650 RF1200 RFS1200 RF2300 RFS2300 1 Pull to remove nylon end cap 2 Slide pin to remove 3 Remove both sections of the pressure switch bracket INCORRECT REASSEMBLY CAN RESULT IN AN ICE MACHINE THAT WILL NOT RUN ...

Page 58: ...achine will clean and then flush three times in approximately twelve minutes Step 6 While the ice machine is in the clean cycle prepare for the sanitizing cycle by mixing a solution of sanitizer and water Step 7 To start a sanitize cycle depress the clean switch to drain the water from the evaporator Wait for the LOW WATER light to energize Step 8 Remove cover from the cleaning cup and add sanitiz...

Page 59: ...low the ice machine to run for 10 minutes then press the OFF switch Catch and remove all sponges and ice from the bin dispenser Step 12 Clean and sanitize the bin dispenser Disconnect power to the dispenser to prevent injury Use the cleaner and sanitizer ratios from the charts on the previous page Heavy accumulations of scale will require removal of components for cleaning and sanitizing Rinse par...

Page 60: ...mercial condenser coil cleaner Follow the directions and cautions supplied with the cleaner 3 Straighten any bent condenser fins with a fin comb 4 Carefully wipe off the fan blades and motor with a soft cloth Do not bend the fan blades If the fan blades are excessively dirty wash with warm soapy water and rinse thoroughly Warning Disconnect electric power to the ice machine at the electric service...

Page 61: ...ice making water line at the rear of the ice machine 4 Disconnect drain tubing and drain water into container and discard 5 Make sure water is not trapped in any of the water or drain lines 6 Water cooled Use compressed air to remove all water from the condenser Caution If water is allowed to remain in the ice machine in freezing temperatures severe damage to some components could result Damage of...

Page 62: ...62 Part Number 000007661 6 13 This Page Intentionally Left Blank ...

Page 63: ...cal flowchart will quickly and easily eliminate non issues RF0244 RF0266 RF0385 RFS0385 RF0388 RF0399 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 A Bin Thermostat B Low Evaporator Temperature Thermostat C Low Water Level Switch NOTE Placing the ...

Page 64: ...OWCHART Power Supplied to Ice Machine Toggle Switch In ON Position Move Switch To ON Position Plug In Ice Machine Reset Breaker NO YES NO YES Electrical Flowchart RF0244 RF0266 RF0385 RFS0385 RF0388 RF0399 AIR WATER Switch Illuminated NO YES Replace Switch ...

Page 65: ...Ice Allow To Warm And Retest Adjusting Closes Thermostat Verify New Setting Cycles Machine On Off Yes No No Yes Evaporator Safety Thermostat Closed NO Evaporator Cold Replace Thermostat Allow Evaporator To Warm And Retest Adjusting Closes Thermostat Verify New Setting Cycles Machine On Off Yes No No Yes YES YES ...

Page 66: ...witch Closed YES YES NO Reservoir Full Of Water NO Restore Water Supply Replace Water Inlet Valve Power To Water Inlet Valve Yes Water Level Switch Closed No No Repair Wiring Yes YES Replace Switch or Float Assembly Replace Switch or Float Assembly ...

Page 67: ...To Compressor Relay Coil Gear Motor Runs NO YES NO YES Line Voltage To Gear motor Repair Wiring No Remove Auger From Evaporator Ice In Evaporator Gear Motor Runs Replace Gear Motor Yes No Rebuild Evaporator Thaw Evaporator Yes Yes No Replace Gear Motor Repair Wiring Yes No ...

Page 68: ...ine Voltage To Compressor YES YES NO YES NO Verify Compressor Overload is Closed Start Components Function Fan Cycling Control Functions Condenser Fan Motor Functions Water cooled only Water Regulating Valve Functions Repair Wiring Replace Relay ...

Page 69: ... A Bin Thermostat B Low Evaporator Temperature Thermostat C Ice Chute Safety Switch D Low Water Level Switch Placing the toggle switch in the ON position starts the gear motor and a 10 minute compressor time delay The compressor starts and the float valve controls the water inlet valve and water level The freeze cycle ends when ice contacts the bin thermostat The ice machine remains off until ice ...

Page 70: ...LECTRICAL DIAGNOSTIC FLOWCHART Power Supplied to Ice Machine Toggle Switch In ON Position Move Switch To ON Position Plug In Ice Machine Reset Breaker NO YES NO YES Electrical Flowchart RF0300 Switch Illuminated NO YES Replace Switch ...

Page 71: ...w To Warm And Retest Adjusting Closes Thermostat Verify New Setting Cycles Machine On Off Yes No No Yes Evaporator Cold Replace Thermostat Allow Evaporator To Warm And Retest Adjusting Closes Thermostat Verify New Setting Cycles Machine On Off Yes No No Yes Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch Yes No No Yes Yes Yes ...

Page 72: ...witch Closed YES YES NO Reservoir Full Of Water NO Restore Water Supply Replace Water Inlet Valve Replace Switch or Float Assembly Power To Water Inlet Valve Yes Water Level Switch Closed No No Repair Wiring Yes YES Replace Switch or Float Assembly ...

Page 73: ...iring No Disconnect Evaporator From Gear Motor Ice In Evaporator Gear Motor Runs Replace Gear Motor Yes No Rebuild Or Replace Evaporator Thaw Evaporator Yes Yes No Yes Gear Motor Centrifugal Switch Closed Line Voltage To Compressor Time Delay NO Repair Wiring Replace Gear Motor Yes No YES ...

Page 74: ... Functions Condenser Fan Motor Functions Water cooled only Water Regulating Valve Functions Repair Wiring Replace Contactor Line Voltage To Compressor Contactor Coil NO Repair Wiring Replace Time Delay Relay No 10 Minute Time Delay Expired NO Wait 10 Minutes Do Not Install Compressor Time Delay Jumper Yes Power To Contactor Coil Yes Install Compressor Time Delay Jumper Yes ...

Page 75: ...at B Ice Chute Safety Switch C Low Water Level Switch D High Pressure Cut out Switch E Low Pressure Cut Out Switch Placing the toggle switch in the ON position starts the gear motor and a 10 minute compressor time delay The compressor starts and the float valve controls the water inlet valve and water level The freeze cycle ends when ice contacts the bin thermostat The ice machine remains off unti...

Page 76: ...TRICAL DIAGNOSTIC FLOWCHART Power Supplied to Ice Machine Toggle Switch In ON Position Move Switch To ON Position Plug In Ice Machine Reset Breaker NO YES NO YES Electrical Flowchart RF60300 5 6 Switch Illuminated NO YES Replace Switch ...

Page 77: ...o Warm And Retest Adjusting Closes Thermostat Verify New Setting Cycles Machine On Off Yes No No Yes Evaporator Cold Replace 3 2 Allow Evaporator To Warm And Retest 5HIULJHUDQW 3UHVVXUH HORZ XW RXW 5HSDLU 5HIULJHUDQW HDN YDFXDWH 5HFKDUJH Yes No No Yes Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch Yes No No Yes Yes Yes ...

Page 78: ...witch Closed YES YES NO Reservoir Full Of Water NO Restore Water Supply Replace Water Inlet Valve Replace Switch or Float Assembly Power To Water Inlet Valve Yes Water Level Switch Closed No No Repair Wiring Yes YES Replace Switch or Float Assembly ...

Page 79: ...iring No Disconnect Evaporator From Gear Motor Ice In Evaporator Gear Motor Runs Replace Gear Motor Yes No Rebuild Or Replace Evaporator Thaw Evaporator Yes Yes No Yes Gear Motor Centrifugal Switch Closed Line Voltage To Compressor Time Delay NO Repair Wiring Replace Gear Motor Yes No YES ...

Page 80: ... Functions Condenser Fan Motor Functions Water cooled only Water Regulating Valve Functions Repair Wiring Replace Contactor Line Voltage To Compressor Contactor Coil NO Repair Wiring Replace Time Delay Relay No 10 Minute Time Delay Expired NO Wait 10 Minutes Do Not Install Compressor Time Delay Jumper Yes Power To Contactor Coil Yes Install Compressor Time Delay Jumper Yes ...

Page 81: ...Switch NOTE Placing the toggle switch in the ON position starts the gear motor After the rotation speed sensor verifies 10 minutes of correct rotation the time delay ends and the compressor starts The ice machine will continue to make ice until ice contacts the bin thermostat The ice machine remains off until ice no longer contacts the bin thermostat ROTATION SENSOR OPERATION light Definition Yell...

Page 82: ...STIC FLOWCHART Power Supplied to Ice Machine Toggle Switch In ON Position Move Switch To ON Position Plug In Ice Machine Reset Breaker NO YES NO YES Electrical Flowchart RF0644 RF0650 RF1200 RFS1200 AIR WATER Switch Illuminated NO YES Replace Switch ...

Page 83: ...cles Machine On Off Yes No No Yes Evaporator Cold Replace LPCO Allow Evaporator To Warm And Retest Refrigerant Pressure Below Cut out Repair Refrigerant Leak Evacuate Recharge Yes No No Yes Yes High Pressure Control Closed NO YES Resets Replace HPCO Clean Condenser Check Fan Motor Check Fan Cycle Control Refrigerant Pressure Above Cut out Clean Condenser Check Fan Motor Check FCC Refrigeration Sys...

Page 84: ...e Water Inlet Valve Replace Switch or Float Assembly Power To Water Inlet Valve Yes Water Level Switch Closed No No Repair Wiring Yes YES Replace Switch or Float Assembly Chute Switch Closed NO Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch Yes No No Yes Yes YES ...

Page 85: ...otor Repair Wiring No Disconnect Evaporator From Gear Motor Ice In Evaporator Gear Motor Runs Replace Gear Motor Yes No Rebuild Or Replace Evaporator Thaw Evaporator Yes Yes No Yes YES 10 Minute Time Delay Expired NO Wait 10 Minutes Do Not Install Compressor Time Delay Jumper ...

Page 86: ... Components Function Fan Cycling Control Functions Condenser Fan Motor Functions Water cooled only Water Regulating Valve Functions Repair Wiring Replace Contactor Line Voltage To Compressor Contactor Coil NO Repair Wiring Replace Rotation Sensor Time Delay Relay No Yes Power To Contactor Coil Yes Install Compressor Time Delay Jumper ...

Page 87: ... liquid line solenoid valve opens When the refrigerant pressure is high enough to close the low pressure control the contactor coil energizes and the compressor starts The refrigerant pressure will increase and close the fan cycling pressure control and the condenser fan motor starts The ice machine will continue to make ice until ice contacts the bin thermostat and the liquid line solenoid valve ...

Page 88: ... Switch To ON Position Restore Power Reset Breaker NO NO YES OHFWULFDO ORZFKDUW 5 5 6 4XLHW4XEH Switch Illuminated NO YES Replace Switch Immediately Trips YES YES NO Toggle Switch In Off Position Isolate And Ohm Each Component Then Each Wire If Required NO TRIPS YES Isolate And Ohm Switch Check Wiring From Panel Test Run YES ...

Page 89: ...ting Cycles Machine On Off YES NO NO YES YES Chute Switch Closed NO Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch YES NO NO YES Yes YES Reservoir Full Of Water NO Restore Water Supply Replace Water Inlet Valve Power To Water Inlet Valve YES Water Level Switch Closed NO NO Repair Wiring Replace Switch or Float Assembly YES ...

Page 90: ...s NO Line Voltage To Gear motor Repair Wiring NO Disconnect Evaporator From Gear Motor Gear Motor Runs Replace Gear Motor YES NO YES YES Ice In Evaporator Rebuild Or Replace Evaporator Thaw Evaporator YES NO YES YES YES 10 Minute Time Delay Expired NO Wait 10 Minutes Do Not Install Compressor Time Delay Jumper ...

Page 91: ...Wiring Replace Rotation Sensor Time Delay NO Power To Left Time Delay Relay Coil Install Compressor Time Delay Jumper On Left Evaporator Delay Relay Contacts Closed Delay Relay Contacts Closed Yes NO YES YES Line Voltage To Left Delay Relay Coil YES Replace Relay ...

Page 92: ...ce Liquid Line Solenoid Locate and Repair Refrigerant Leak Replace LPCO Switch Replace Relay YES High Pressure Control Closed NO Resets Replace HPCO Clean Condenser Check Fan Motor Check Fan Cycle Control Refrigerant Pressure Above Cut out Clean Condenser Check Fan Motor Check Fan Cycle Control Refrigeration System Resets Trips NO NO YES NO Line Voltage To Compressor Contactor Coil YES YES YES Rep...

Page 93: ...6 13 93 Contactor Closed NO Replace Contactor Line Voltage To Compressor YES YES NO Verify Compressor Overload is Closed Start Components Function Fan Cycling Control Functions Condenser Fan Motor Functions Repair Wiring YES ...

Page 94: ...gear motor After the rotation speed sensor verifies 10 minutes of correct rotation the time delay ends and the liquid line and suction solenoid valves energize The ice machine will continue to make ice until ice contacts the bin thermostat and the liquid line and suction solenoid valves close The ice machine remains off until ice no longer contacts the bin thermostat ROTATION SENSOR OPERATION ligh...

Page 95: ...Switch To ON Position Restore Power Reset Breaker NO NO YES Electrical Flowchart RF1200R RFS1200R Switch Illuminated NO YES Replace Switch Immediately Trips Yes Ohm Toggle Switch Time Delays Gear Motors Water Inlet Valve Yes No Toggle Switch In Off Position Isolate And Ohm Each Component Then Each Wire If Required Yes No Trips ...

Page 96: ...acting Thermostat Remove Ice Allow To Warm And Retest Adjusting Closes Thermostat Verify New Setting Cycles Machine On Off Yes No No Yes Yes Chute Switch Closed NO Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch Yes No No Yes Yes ...

Page 97: ...Full Of Water NO Restore Water Supply Replace Water Inlet Valve Power To Water Inlet Valve Yes Float Switch Closed No No Repair Wiring Replace Switch or Float Assembly Yes Low Water Level Switch Closed NO Replace Switch or Float Assembly YES Yes ...

Page 98: ...otor Repair Wiring No Disconnect Evaporator From Gear Motor Ice In Evaporator Gear Motor Runs Replace Gear Motor Yes No Rebuild Or Replace Evaporator Thaw Evaporator Yes Yes No YES 10 Minute Time Delay Expired NO Wait 10 Minutes Do Not Install Compressor Time Delay Jumper YES ...

Page 99: ...Repair Wiring Replace Rotation Sensor Time Delay No Power To Time Delay Relay Coil Install Compressor Time Delay Jumper Delay Relay Contacts Closed Delay Relay Contacts Closed Yes No Yes YES YES YES Line Voltage To Contactor Coil NO Repair Wiring YES Contactor Closed NO Replace Contactor ...

Page 100: ...ction Line Solenoid YES NO Check Contactor Contacts On Both Contactors Repair Wiring Line Voltage To Liquid Line Solenoid YES NO Repair Wiring Determine Refrigeration System Issue Suction And Liquid Line Solenoid Valves Open YES NO Replace Defective Valve ...

Page 101: ...ch Placing the toggle switch in the ON position starts the gear motor After the rotation speed sensor verifies 10 minutes of correct rotation the time delay ends and the compressor starts The ice machine will continue to make ice until ice contacts the bin thermostat The ice machine remains off until ice no longer contacts the bin thermostat ROTATION SENSOR OPERATION light Definition Yellow Blinki...

Page 102: ...ve Switch To ON Position Restore Power Reset Breaker NO NO YES Electrical Flowchart RF2300 5 6 Air Water Switch Illuminated NO YES Replace Switch Immediately Trips Yes Ohm Compressor Crankcase Heater And Toggle Switch Yes No Toggle Switch In Off Position Isolate And Ohm Each Component Then Each Wire If Required Yes No Trips ...

Page 103: ...n Off Yes No No Yes Yes High Pressure Control Closed NO Resets Replace HPCO Clean Condenser Check Fan Motor Check Fan Cycle Control Refrigerant Pressure Above Cut out Clean Condenser Check Fan Motor Check FCC Refrigeration System Resets Trips No No Yes Left Side Chute Switch Closed NO Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch Yes No ...

Page 104: ... Evacuate Recharge Yes No No Yes Right Side Chute Switch Closed NO Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch Yes No No Yes YES YES Reservoir Full Of Water NO Restore Water Supply Replace Water Inlet Valve Power To Water Inlet Valve Yes Water Level Switch Closed No No Repair Wiring Yes Replace Switch or Float Assembly Yes ...

Page 105: ...vaporator From Gear Motor Ice In Evaporator Gear Motor Runs Replace Gear Motor Yes No Rebuild Or Replace Evaporator Thaw Evaporator Yes Yes No YES 10 Minute Time Delay Expired NO Wait 10 Minutes Do Not Install Compressor Time Delay Jumper Low Water Level Switch Closed NO Replace Switch or Float Assembly YES Yes ...

Page 106: ...elay Jumper On Left Evaporator Left Delay Relay Contacts Closed Left Delay Relay Contacts Closed Yes No Yes YES NO Replace Relay Line Voltage To Right Delay Relay Coil NO Repair Wiring Replace Right Rotation Sensor Time Delay No Power To Right Time Delay Relay Coil Install Compressor Time Delay Jumper On Right Evaporator Right Delay Relay Contacts Closed Right Delay Relay Contacts Closed Yes No Ye...

Page 107: ...ES NO YES NO Verify Compressor Overload is Closed Start Components Function Fan Cycling Control Functions Condenser Fan Motor Functions Water cooled only Water Regulating Valve Functions Repair Wiring Replace Contactor Line Voltage To Compressor Contactor Coil NO Repair Wiring Yes ...

Page 108: ...e liquid line solenoid valve opens When the refrigerant pressure is high enough to close the low pressure control the contactor coil energizes and the compressor starts The refrigerant pressure will increase and close the fan cycling pressure control and the condenser fan motor starts The ice machine will continue to make ice until ice contacts the bin thermostat and the liquid line solenoid valve...

Page 109: ...ch To ON Position Restore Power Reset Breaker NO NO YES Electrical Flowchart RF2300C RFC2300 QuietQube Switch Illuminated NO YES Replace Switch Immediately Trips YES YES Toggle Switch In Off Position Isolate And Ohm Each Component Then Each Wire If Required NO TRIPS YES Isolate And Ohm Switch Check Wiring From Panel YES NO Test Run ...

Page 110: ...rify New Setting Cycles Machine On Off YES NO NO YES YES Left Side Chute Switch Closed NO Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch YES NO NO YES YES Right Side Chute Switch Closed NO Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch YES NO NO YES YES ...

Page 111: ...ed NO NO Repair Wiring YES Replace Switch or Float Assembly Low Water Level Switch Closed NO Replace Switch or Float Assembly YES Do Both Gear Motors Run NO Line Voltage To Gear motors Repair Wiring NO Disconnect Evaporator From Gear Motor Gear Motor Runs Replace Gear Motor YES NO YES YES Ice In Evaporator Rebuild Or Replace Evaporator Thaw Evaporator YES NO YES ...

Page 112: ...ime Delay Jumper Yes YES NO Replace Relay NO Repair Wiring Replace Left Rotation Sensor Time Delay No Power To Left Time Delay Relay Coil Install Compressor Time Delay Jumper On Left Evaporator Left Delay Relay Contacts Closed Left Delay Relay Contacts Closed Yes No Yes YES Line Voltage To Left Delay Relay Coil ...

Page 113: ...ensor Time Delay Right Delay Relay Contacts Closed Right Delay Relay Contacts Closed YES Line Voltage To Right Delay Relay Coil NO Repair Wiring NO Power To Right Time Delay Relay Coil Install Compressor Time Delay Jumper On Right Evaporator YES YES YES YES Replace Relay NO ...

Page 114: ... Than LPCO Cut in Both Shut off Valves are Open Repair Replace Liquid Line Solenoid Locate and Repair Refrigerant Leak Replace LPCO Switch YES High Pressure Control Closed Resets Replace HPCO Clean Condenser Check Fan Motor Check Fan Cycle Control Refrigerant Pressure Above Cut out Resets Trips NO NO YES NO NO Clean Condenser Check Fan Motor Check Fan Cycle Control Refrigeration System YES YES Rep...

Page 115: ... 13 115 Contactor Closed NO Replace Contactor Line Voltage To Compressor YES YES NO Verify Compressor Overload is Closed Start Components Function Fan Cycling Control Functions Condenser Fan Motor Functions Repair Wiring YES ...

Page 116: ...gear motor After the rotation speed sensor verifies 10 minutes of correct rotation the time delay ends and the liquid line and suction solenoid valves energize The ice machine will continue to make ice until ice contacts the bin thermostat and the liquid line and suction solenoid valves close The ice machine remains off until ice no longer contacts the bin thermostat ROTATION SENSOR OPERATION ligh...

Page 117: ...e Switch To ON Position Restore Power Reset Breaker NO NO YES Electrical Flowchart RF 00R 5 6 5 Switch Illuminated NO YES Replace Switch Immediately Trips Yes Ohm Toggle Switch Time Delays Gear Motors Water Inlet Valve Yes No Toggle Switch In Off Position Isolate And Ohm Each Component Then Each Wire If Required Yes No Trips ...

Page 118: ...rify New Setting Cycles Machine On Off Yes No No Yes Yes Left Side Chute Switch Closed NO Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch Yes No No Yes Yes Right Side Chute Switch Closed NO Adjust Or Replace Actuator Ice Contacting Actuator Remove Ice And Retest Actuator Functions Replace Switch Yes No No Yes YES ...

Page 119: ... Full Of Water NO Restore Water Supply Replace Water Inlet Valve Power To Water Inlet Valve Yes Float Switch Closed No No Repair Wiring Replace Switch or Float Assembly Yes Low Water Level Switch Closed NO Replace Switch or Float Assembly YES Yes ...

Page 120: ...motor Repair Wiring No Disconnect Evaporator From Gear Motor Ice In Evaporator Gear Motor Runs Replace Gear Motor Yes No Rebuild Or Replace Evaporator Thaw Evaporator Yes Yes No YES 10 Minute Time Delay Expired NO Wait 10 Minutes Do Not Install Compressor Time Delay Jumper YES ...

Page 121: ...elay Jumper On Left Evaporator Left Delay Relay Contacts Closed Left Delay Relay Contacts Closed Yes No Yes YES NO Replace Relay Line Voltage To Right Delay Relay Coil NO Repair Wiring Replace Right Rotation Sensor Time Delay No Power To Right Time Delay Relay Coil Install Compressor Time Delay Jumper On Right Evaporator Right Delay Relay Contacts Closed Right Delay Relay Contacts Closed Yes No Ye...

Page 122: ...007661 6 13 122 YES Line Voltage To Contactor Coil NO Repair Wiring Yes Contactor Closed YES NO Replace Contactor Line Voltage To Suction Line Solenoid YES NO Check Contactor Contacts On Both Contactors Repair Wiring ...

Page 123: ...rt Number 000007661 6 13 123 Line Voltage To Liquid Line Solenoid YES NO Repair Wiring Determine Refrigeration System Issue Suction And Liquid Line Solenoid Valves Open YES NO Replace Defective Valve YES ...

Page 124: ...r 20 minutes GRD L1 L1 L2 L2 L2 L2 L2 COMPRESSOR F AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET GRD G B W F AN BL ACK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY SW ...

Page 125: ...RESSOR F AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET GRD G B W F AN BL ACK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY SW I TCH 4 2 3 R UN ST AR T T O L E U L B YEL...

Page 126: ...L2 L2 COMPRESSOR F AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET GRD G B W F AN BL ACK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY SW I TCH 4 2 3 R UN ST AR T T O L E...

Page 127: ...ontrol board GRD L1 L1 L2 L2 L2 L2 L2 COMPRESSOR F AN DRIVE DR C 20M 60M 2ND WTR B T B E RESET GRD G B W F AN BL ACK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY SW ...

Page 128: ... Thermostat Closed NO Replace Thermostat Ice Contacting Thermostat Remove Ice Allow To Warm And Retest Adjusting Closes Thermostat Verify New Setting Cycles Machine On Off Yes No No Yes Power Supplied to Ice Machine Control board Plug In Ice Machine Reset Breaker NO YES Bin Empty BE Light On NO YES Electrical Flowchart RN0400 ...

Page 129: ... Yes Time Delay BT Light Off 20 Minute Time Delay Period Depress Control Board Reset Button To Override Delay Period Reservoir Full Line Voltage To Water Inlet Valve Clean Repair Or Replace Water Level Probe Assembly NO YES YES NO WTR Light On NO Replace Control Board Disconnect Probes Jumper Sensor Inputs On Control Board WTR Light Off ...

Page 130: ...ton To Override Delay Period Press Control Board Reset Button Flashing Stops Gear Motor And Compressor Energize Determine Cause Of Water Loss Yes No Compressor C Light On Compressor Switch In On Position Move Switch To On Position Check For Line Voltage Control Board Compressor Terminals Disconnect Switch From Control Board Replace Rocker Switch Replace Control Board No Line Voltage Line Voltage N...

Page 131: ... Windings Are OK Repair Wiring Line Voltage Control Board Compressor And Fan Terminals NO or Only One Component Has Line Voltage Yes Replace Control Board Verify Clearances Ambient Are OK Filter Condenser Are Clean Condenser Fan Motor Functions Water cooled Models Water Regulating Valve Functions Reset Or Replace High Pressure Cut Out Compressor Running NO YES ...

Page 132: ...Motor From Evaporator YES 60M Light On 2nd Light On Locked Out Due To Over Torque Condition Verify No Ice In Evaporator Depress Control Board Reset Button Perform Heavily Scaled Cleaning Procedure YES YES Gear Motor Runs NO Check For Line Voltage Control Board Drive L2 Terminals Replace Control Board NO YES NO Verify Gear Motor Overload is Closed Start Relay Functions Motor Windings Are OK YES YES...

Page 133: ...ght adjacent to the relay to indicate the relay coil has power Indicator light legend 1 Normal light operation No Ice Defective compressor or start component Defective contactor Defective control board relay 2 CPU light does not flash Defective control board ON OFF ON or OFF FLASHING PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R ...

Page 134: ...ittent Does not shut off on full bin condition PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R TIME DELAY Y LO WATER R CPU G HI WATER R PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R TIME DELAY Y LO WATER R CPU G HI WATER R PURGE Y POWER G LOW BIN G AUGER ON G REFR...

Page 135: ...control board relay PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R TIME DELAY Y LO WATER R CPU G HI WATER R PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R TIME DELAY Y LO WATER R CPU G HI WATER R PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE ...

Page 136: ...OR FOR MORE THAN 120 SECONDS Soft Error The control board stops the ice machine energizes the Lo Water Service lights and leaves the water solenoid energized When water contacts the low water probe the ice machine will resume ice making Hard Error The water level sensor has 4 probes and the 2 longest probes reach to the bottom of the water reservoir When no water is sensed on these probes within 6...

Page 137: ...d time within six hours of the first failure The ice machine must be reset by pressing the control board reset button HI PRESSURE Soft Error If the refrigeration pressure exceeds 425 psi 2930 kPa the ice machine will turn off energize the Hi Press light and initiate a 60 minute delay period If the refrigeration pressure is below 295 psi 2034 kPa at the end of the delay period the ice machine will ...

Page 138: ...ight On Replace Control Board NO Power Supplied to Ice Machine Control board Turn On Switch NO YES NO Control Board CPU Light Flashing Rocker Switch in ON position NO Plug In Ice Machine Reset Breaker YES Remove Restore Line Voltage Then Depress Reset Button On Control Board Power Light Off Test Run Verify Operation Power Light On ...

Page 139: ...ring Repair Or Replace Repair Or Replace Shuttle Yes Time Delay Light OFF Time Delay Period Expired Wait For Delay To Expire NO Clear Ice Shuttle in up position NO NO YES YES NO NO YES Light On Sensor Illuminated NO Depress Reset Button On Control Board Replace Control Board If Required YES ...

Page 140: ...ar Drain Or Replace Drain Solenoid YES No Water Drains From Evaporator Replace Control Board Level Ice Machine To Allow Complete Drainage Line Voltage At Drain Solenoid Ice Machine Level Remove Restore Line Voltage Then Depress Reset Button On Control Board No Power Solenoid YES Power Solenoid NO Test Run To Verify Operation YES NO ...

Page 141: ... Light Off Clear Drain Test Run To Verify Operation NO YES Verify Clearances Ambient Are OK Filter Condenser Are Clean Condenser Fan Motor Functions Replace High Pressure Cut Out Water cooled Models Water Regulating Valve Functions NO Press Control Board Reset Button To Clear Error YES Disconnect Sensor From Control Board Replace Control Board Light On Light Off ...

Page 142: ... Breaker On Control Box Tripped YES NO Line Voltage To Gear Motor NO NO Press Control Board Reset Button To Clear Error Replace Control Board NO Gear Motor Runs YES Clean Ice Machine Install Water Filter Increase Cleaning Frequency Verify Shuttle Shuts Off Ice Machine Test Run Check Wires Connections Replace Gear Motor NO YES ...

Page 143: ...Connect Sensor Wires Clean and Dry Water Level Probes Water is Supplied Voltage Water Inlet Valve NO YES YES NO Restore Water Supply NO YES Replace Water Inlet Valve YES NO Voltage Water Inlet Valve YES Reservoir Full Of Water YES NO Replace Control Board NO Press Control Board Reset Button To Clear Error YES ...

Page 144: ...ontrol Board Reset Button Replace Control Board Clean Dry Reinsert Water Level Probes Voltage Water Inlet Valve YES NO Replace Water Inlet Valve NO YES Replace Sensor Control Board if Required Water Flows Water Flow Stops Press Control Board Reset Button To Clear Error Gear Motor Running YES See Step HI AMPS LIGHT OFF NO ...

Page 145: ...et Valve Closes 100 Water Level Probe Functions Replace Control Board NO YES Line Voltage At Compressor YES NO Verify Compressor Overload is Closed Start Components Function Compressor Windings Are OK Repair Wiring Compressor Running NO Test Run To Verify Operation YES Line Voltage Control Board Compressor Terminals ...

Page 146: ...light adjacent to the relay to indicate the relay coil has power Indicator light legend 1 Normal light operation No Ice Defective compressor or start component Defective contactor Defective control board relay 2 CPU light does not flash Defective control board ON OFF ON or OFF FLASHING PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG ...

Page 147: ...ittent Does not shut off on full bin condition PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R TIME DELAY Y LO WATER R CPU G HI WATER R PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R TIME DELAY Y LO WATER R CPU G HI WATER R PURGE Y POWER G LOW BIN G AUGER ON G REFR...

Page 148: ...control board relay PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R TIME DELAY Y LO WATER R CPU G HI WATER R PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE R HI AMPS R HI PRESS R LO PRESS R DRAIN CLOG R TIME DELAY Y LO WATER R CPU G HI WATER R PURGE Y POWER G LOW BIN G AUGER ON G REFRIG ON G CLEANING Y SERVICE ...

Page 149: ...OR FOR MORE THAN 120 SECONDS Soft Error The control board stops the ice machine energizes the Lo Water Service lights and leaves the water solenoid energized When water contacts the low water probe the ice machine will resume ice making Hard Error The water level sensor has 4 probes and the 2 longest probes reach to the bottom of the water reservoir When no water is sensed on these probes within 6...

Page 150: ...d time within six hours of the first failure The ice machine must be reset by pressing the control board reset button HI PRESSURE Soft Error If the refrigeration pressure exceeds 425 psi 2930 kPa the ice machine will turn off energize the Hi Press light and initiate a 60 minute delay period If the refrigeration pressure is below 295 psi 2034 kPa at the end of the delay period the ice machine will ...

Page 151: ...ied to Ice Machine Control board Turn On Switch NO YES NO Control Board CPU Light Flashing Rocker Switch in ON position NO Plug In Ice Machine Reset Breaker YES Remove Restore Line Voltage Then Depress Reset Button On Control Board Power Light Off Test Run Verify Operation Power Light On Electrical FlowcKart RN1000 51 QuietQube Remote ...

Page 152: ...ring Repair Or Replace Repair Or Replace Shuttle Yes Time Delay Light OFF Time Delay Period Expired Wait For Delay To Expire NO Clear Ice Shuttle in up position NO NO YES YES NO NO YES Light On Sensor Illuminated NO Depress Reset Button On Control Board Replace Control Board If Required YES ...

Page 153: ...ar Drain Or Replace Drain Solenoid YES No Water Drains From Evaporator Replace Control Board Level Ice Machine To Allow Complete Drainage Line Voltage At Drain Solenoid Ice Machine Level Remove Restore Line Voltage Then Depress Reset Button On Control Board No Power Solenoid YES Power Solenoid NO Test Run To Verify Operation YES NO ...

Page 154: ...n and Dry Drain Sensor Light On Light Off Clear Drain Test Run To Verify Operation NO YES Verify Clearances Ambient Are OK Condenser Is Clean Condenser Fan Motor Functions Replace High Pressure Cut Out NO Press Control Board Reset Button To Clear Error YES Disconnect Sensor From Control Board Replace Control Board Light On Light Off ...

Page 155: ... Breaker On Control Box Tripped YES NO Line Voltage To Gear Motor NO NO Press Control Board Reset Button To Clear Error Replace Control Board NO Gear Motor Runs YES Clean Ice Machine Install Water Filter Increase Cleaning Frequency Verify Shuttle Shuts Off Ice Machine Test Run Check Wires Connections Replace Gear Motor NO YES ...

Page 156: ...Connect Sensor Wires Clean and Dry Water Level Probes Water is Supplied Voltage Water Inlet Valve NO YES YES NO Restore Water Supply NO YES Replace Water Inlet Valve YES NO Voltage Water Inlet Valve YES Reservoir Full Of Water YES NO Replace Control Board NO Press Control Board Reset Button To Clear Error YES ...

Page 157: ...ontrol Board Reset Button Replace Control Board Clean Dry Reinsert Water Level Probes Voltage Water Inlet Valve YES NO Replace Water Inlet Valve NO YES Replace Sensor Control Board if Required Water Flows Water Flow Stops Press Control Board Reset Button To Clear Error Gear Motor Running YES See Step HI AMPS LIGHT OFF NO ...

Page 158: ... Liquid Line Solenoid Valve YES NO Verify Refrigerant Pressure is Higher Than LPCO Cut in Both Shut off Valves are Open Repair Replace Liquid Line Solenoid Locate and Repair Refrigerant Leak Replace LPCO Switch Repair Wiring Low Pressure Control Closed NO YES Line Voltage Control Board Compressor Terminals ...

Page 159: ...ne Voltage At Compressor YES NO Verify Compressor Overload is Closed Start Components Function Compressor Windings Are OK Repair Wiring Compressor Running NO Test Run To Verify Operation YES Contactor Coil Has Line Voltage Contactor Closed YES Replace Contactor NO ...

Page 160: ...160 Part Number 000007661 6 13 YES Ice Has Excessive Water Content YES NO Verify Water Inlet Valve Closes 100 Water Level Probe Functions Test Run To Verify Operation ...

Page 161: ... Low on Refrigerant Overcharge of Refrigerant Non Condensible in System Restricted Capillary Tube Discharge Pressure Low High High Low Suction Pressure Low High High Low Evaporator Inlet Temperature Normal Low High Low Evaporator Outlet Temperature High Normal High Low Compressor Discharge Line Temperature Normal Range 165 70 210 110 74 C 21 C 99 C 43 C High Increases with run time Normal High Inc...

Page 162: ...Suction Line Restriction Or Expansion Valve Starving Flooding Expansion Valve or Loose Sensing Bulb when used Discharge Pressure Low High High Low High Suction Pressure Low High High Low High Evaporator Inlet Temperature Normal Normal or Low High Normal Normal or High Evaporator Outlet Temperature High Normal High High 12 Differential between Inlet and Outlet 10 Differential between Inlet and Outl...

Page 163: ...0244A 7 5 oz 210 g RF0266A 7 5 oz 210 g RF0300A RFS0300A 11 25 oz 320 g RNS0308 15 5 oz 440 g RF0385A 11 25 oz 320 g RNS0385A 11 25 oz 320 g RF0388A 11 25 oz 320 g RF0399A 11 25 oz 320 g RN0400 19 oz 539 g RF0650A 19 5 oz 550 g RF0650W 15 5 oz 439 g RN1000A 24 oz 680 g RN1000W 15 oz 426 g RN1000C 156 oz 4 42 kg RF1200A RFS1200A 24 75 oz 700 g RF1200W RF1200W 16 25 oz 460 g RF1200C RFS1200C 156 oz ...

Page 164: ...ure readings to avoid misdiagnosis Discharge and suction pressure are highest at the beginning of the cycle Allow system to stabilize for a minimum of 10 minutes then verify the pressures are within the range indicated Water temperature will affect suction and discharge pressure 50 F 10 C water temperature will result in pressures on the lower end of the ranges specified 90 F 32 C water temperatur...

Page 165: ...er Temperature 24 hour Ice Production 70 F 50 F 21 C 10 C 182 lbs 82 kgs 90 F 70 F 32 C 21 C 151 lbs 68 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 220 250 1517 1724 38 40 262 276 90 F PSIG 32 C kPa 300 320 2068 2206 45 51 310 352 110 F PSIG 43 C kPa 360 390 2482 2689 49 55 338 379 ...

Page 166: ...ture 24 hour Ice Production 70 F 50 F 21 C 10 C 1821lbs 82 kgs 90 F 70 F 32 C 21 C 151 lbs 68 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 220 250 1517 1724 38 40 262 276 90 F PSIG 32 C kPa 300 320 2068 2206 45 51 310 352 110 F PSIG 43 C kPa 360 390 2482 2689 49 55 338 379 ...

Page 167: ...0 F 50 F 21 C 10 C 311 lbs 141 kgs 90 F 70 F 32 C 21 C 259 lbs 117 kgs RFS0300 70 F 50 F 21 C 10 C 384 lbs 174 kgs 90 F 70 F 32 C 21 C 286 lbs 130 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 240 275 1792 1896 28 31 193 214 90 F PSIG 32 C kPa 260 280 1792 1930 30 36 207 248 110 F PSIG 43 C kPa 325 350 2240 2...

Page 168: ...ure 24 hour Ice Production 70 F 50 F 21 C 10 C 329 lbs 149 kgs 90 F 70 F 32 C 21 C 273 lbs 124 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 243 270 1675 1862 31 36 214 248 90 F PSIG 32 C kPa 273 315 1882 2172 34 39 234 269 110 F PSIG 43 C kPa 348 380 2399 2620 38 43 262 296 ...

Page 169: ...ure 24 hour Ice Production 70 F 50 F 21 C 10 C 332 lbs 151 kgs 90 F 70 F 32 C 21 C 270 lbs 122 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 235 270 1620 1862 29 32 200 221 90 F PSIG 32 C kPa 255 280 1758 1930 29 35 200 241 110 F PSIG 43 C kPa 320 340 2706 2344 31 38 214 262 ...

Page 170: ...ure 24 hour Ice Production 70 F 50 F 21 C 10 C 332 lbs 151 kgs 90 F 70 F 32 C 21 C 270 lbs 122 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 260 280 1793 1930 32 34 221 234 90 F PSIG 32 C kPa 270 290 1862 2000 29 35 200 241 110 F PSIG 43 C kPa 340 360 2344 2482 31 38 214 262 ...

Page 171: ...hour Ice Production 70 F 50 F 21 C 10 C 688 lbs 312 kgs 90 F 70 F 32 C 21 C 510 lbs 231 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 240 265 1655 1827 33 35 228 241 90 F PSIG 32 C kPa 280 300 1930 2068 34 40 235 276 110 F PSIG 43 C kPa 340 370 2344 2551 40 46 275 318 ...

Page 172: ... 21 C 10 C 671 lbs 305 kgs 90 F 70 F 32 C 21 C 545 lbs 248 kgs RFS0650A 70 F 50 F 21 C 10 C 747 lbs 339 kgs 90 F 70 F 32 C 21 C 540 lbs 245kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 240 265 1655 1827 33 35 228 241 90 F PSIG 32 C kPa 280 300 1930 2068 34 40 235 276 110 F PSIG 43 C kPa 340 370 2344 2551 40 4...

Page 173: ...10 C 726 lbs 329 kgs 90 F 70 F 32 C 21 C 586 lbs 266 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 250 270 1724 1862 33 37 228 255 90 F PSIG 32 C kPa 250 270 1724 1862 34 38 234 262 110 F PSIG 43 C kPa 250 270 1724 1862 29 33 200 228 Condenser Water Consumption 90 F 70 F 32 C 21 C RF0650W 80 Gallons 100 lbs o...

Page 174: ...21 C 10 C 1186 lbs 538 kgs 90 F 70 F 32 C 21 C 864 lbs 392 kgs RFS1200A 70 F 50 F 21 C 10 C 1202 lbs 545 kgs 90 F 70 F 32 C 21 C 874 lbs 396 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 255 280 1755 1930 32 34 220 234 90 F PSIG 32 C kPa 325 350 2240 2413 36 42 248 290 110 F PSIG 43 C kPa 400 425 2758 2930 45...

Page 175: ...C 10 C 1339 lbs 607 kgs 90 F 70 F 32 C 21 C 1128 lbs 512 kgs OPERATING PRESSURES PSIG kPa Air Temperature Around Ice Machine F C Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 245 255 1689 1758 29 31 200 214 90 F PSIG 32 C kPa 270 280 1862 1930 29 35 200 241 110 F PSIG 43 C kPa 275 290 1896 2000 30 36 207 248 Condenser Water Consumption 90 F 70 F 32 C 21 C RF1200W 103 Gallons ...

Page 176: ... 10 C 1092 lbs 495 kgs 90 F 70 F 32 C 21 C 958 lbs 435 kgs 120 F 70 F 49 C 21 C 603 lbs 274 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser F C Freeze Cycle Discharge Pressure Suction Pressure 50 F PSIG 10 C kPa 185 200 1276 1379 23 28 159 193 70 F PSIG 21 C kPa 225 255 1551 1758 30 35 207 241 80 F PSIG 27 C kPa 230 280 1586 1931 31 36 214 248 90 F PSIG 32 C kPa 243 305 1675 21...

Page 177: ...our Ice Production 70 F 50 F 21 C 10 C 2301 lbs 1044 kgs 90 F 70 F 32 C 21 C 1665 lbs 755 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 290 310 1999 2137 35 38 241 262 90 F PSIG 32 C kPa 350 380 2413 2620 38 43 262 296 110 F PSIG 43 C kPa 410 430 2827 2965 43 49 296 338 ...

Page 178: ...ur Ice Production 70 F 50 F 21 C 10 C 2608 lbs 1183 kgs 90 F 70 F 32 C 21 C 2201 lbs 998 kgs OPERATING PRESSURES PSIG kPa Air Temperature Around Ice Machine F C Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 290 310 1999 2137 35 38 241 262 90 F PSIG 32 C kPa 350 380 2413 2620 38 43 262 296 110 F PSIG 43 C kPa 410 430 2827 2965 43 49 296 338 ...

Page 179: ... 10 C 2063 lbs 936 kgs 90 F 70 F 32 C 21 C 1702 lbs 772 kgs 120 F 70 F 49 C 21 C 1073 lbs 487 kgs OPERATING PRESSURES PSIG kPa Air Temperature Around Ice Machine F C Freeze Cycle Discharge Pressure Suction Pressure 50 F PSIG 16 C kPa 175 200 1207 1379 26 31 176 214 70 F PSIG 21 C kPa 220 250 1517 1724 31 36 214 248 80 F PSIG 27 C kPa 225 275 1551 1896 32 37 221 255 90 F PSIG 32 C kPa 250 310 1724 ...

Page 180: ...Temperature 24 hour Ice Production 70 F 50 F 21 C 10 C 155 lbs 70 kgs 90 F 70 F 32 C 21 C 105 lbs 48 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 220 250 1517 1724 38 40 262 276 90 F PSIG 32 C kPa 300 320 2068 2206 45 51 310 352 110 F PSIG 43 C kPa 360 390 2482 2689 49 55 338 379 ...

Page 181: ...Ice Production 70 F 50 F 21 C 10 C 315 lbs 143 kgs 90 F 70 F 32 C 21 C 251 lbs 114 kgs Indicates Preliminary Data OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 260 275 1792 1896 28 31 193 214 90 F PSIG 32 C kPa 260 280 1792 1930 30 36 207 248 110 F PSIG 43 C kPa 325 350 2240 2413 32 38 221 262 ...

Page 182: ...ure 24 hour Ice Production 70 F 50 F 21 C 10 C 270 lbs 122 kgs 90 F 70 F 32 C 21 C 223 lbs 101 kgs OPERATING PRESSURES PSIG kPa Air Temperature Entering Condenser Freeze Cycle Discharge Pressure Suction Pressure 70 F PSIG 21 C kPa 243 270 1675 1862 31 36 214 248 90 F PSIG 32 C kPa 273 315 1882 2172 34 39 234 269 110 F PSIG 43 C kPa 348 380 2399 2620 38 43 262 296 ...

Page 183: ...gs 90 F 70 F 32 C 21 C 294 lbs 133 kgs OPERATING PRESSURES PSIG kPa Air Temperature Around Ice Machine F C Freeze Cycle Discharge Pressure Suction Pressure 60 F PSIG 16 C kPa 170 200 1172 1379 23 25 159 172 70 F PSIG 21 C kPa 240 270 1655 1862 25 30 172 207 80 F PSIG 27 C kPa 245 275 1689 1896 30 35 207 241 90 F PSIG 32 C kPa 250 350 1724 2413 32 38 214 262 100 F PSIG 38 C kPa 235 375 1620 2586 36...

Page 184: ...9 390 80 F 27 C 962 437 916 416 871 395 826 375 782 355 90 F 32 C 828 376 816 371 794 361 755 343 698 317 100 F 38 C 786 357 728 331 686 312 654 297 610 277 OPERATING PRESSURES PSIG kPa Air Temperature Around Ice Machine F C Freeze Cycle Discharge Pressure Suction Pressure 60 F PSIG 16 C kPa 220 240 1517 1655 33 38 228 262 70 F PSIG 21 C kPa 225 245 1551 1689 37 42 255 290 80 F PSIG 27 C kPa 235 2...

Page 185: ...2 382 80 F 27 C 975 443 912 414 870 395 839 381 814 370 90 F 32 C 885 402 826 375 786 357 759 345 745 338 100 F 38 C 762 346 723 328 683 310 642 392 603 274 OPERATING PRESSURES PSIG kPa Air Temperature Around Ice Machine F C Freeze Cycle Discharge Pressure Suction Pressure 60 F PSIG 16 C kPa 220 240 1517 1655 33 38 228 262 70 F PSIG 21 C kPa 225 245 1551 1689 37 42 255 290 80 F PSIG 27 C kPa 235 2...

Page 186: ...gs 90 F 70 F 32 C 21 C 1318 lbs 598 kgs 110 F 70 F 43 C 21 C 1019 lbs 462 kgs OPERATING PRESSURES PSIG kPa Air Temperature Around Ice Machine F C Freeze Cycle Discharge Pressure Suction Pressure 50 F PSIG 10 C kPa 224 235 1544 1620 24 29 165 200 70 F PSIG 21 C kPa 238 275 1641 1896 26 31 179 214 80 F PSIG 27 C kPa 245 290 1689 1999 28 33 193 228 90 F PSIG 32 C kPa 316 370 2179 2551 34 39 234 269 1...

Page 187: ...kgs 90 F 70 F 32 C 21 C 1318 lbs 598 kgs 110 F 70 F 43 C 21 C 1100 lbs 499 kgs OPERATING PRESSURES PSIG kPa Air Temperature Around Ice Machine F C Freeze Cycle Discharge Pressure Suction Pressure 50 F PSIG 10 C kPa 220 230 1516 1586 24 29 165 200 70 F PSIG 21 C kPa 220 230 1517 1586 25 30 172 207 80 F PSIG 27 C kPa 225 235 1551 1620 26 31 179 214 90 F PSIG 32 C kPa 225 235 1551 1620 27 32 186 221 ...

Page 188: ... C 880 lbs 399kgs 90 F 70 F 32 C 21 C 713 lbs 323kgs 120 F 70 F 49 C 21 C 490 lbs 222kgs OPERATING PRESSURES PSIG kPa Air Temperature Around Ice Machine F C Freeze Cycle Discharge Pressure Suction Pressure 60 F PSIG 16 C kPa 240 250 1655 1724 33 35 227 241 70 F PSIG 21 C kPa 245 265 1689 1827 35 38 241 262 80 F PSIG 27 C kPa 245 270 1689 1862 36 39 248 269 90 F PSIG 32 C kPa 250 270 1724 1862 37 4...

Page 189: ...C 1100 lbs 499kgs 90 F 70 F 32 C 21 C 962 lbs 436kgs 120 F 70 F 49 C 21 C 761 lbs 345 kgs OPERATING PRESSURES PSIG kPa Air Temperature Around Ice Machine F C Freeze Cycle Discharge Pressure Suction Pressure 50 F PSIG 10 C kPa 190 200 1310 1379 21 26 145 179 70 F PSIG 21 C kPa 227 265 1565 1827 25 30 172 207 80 F PSIG 27 C kPa 230 260 1586 1793 26 31 179 214 90 F PSIG 32 C kPa 238 280 1641 1931 27 ...

Page 190: ...e Production 50 F 10 C 1092 lbs 495 kgs 70 F 21 C 958 lbs 435 kgs SUCTION PRESSUREPSIG kPa Freeze Cycle Liquid Line Pressure Acceptable Suction Pressure Range 185 200 psi 1276 1379 kPa 23 28 psi 159 193 kPa 225 255 psi 1551 1758 kPa 30 35 psi 207 241 kPa 230 280 psi 1586 1931 kPa 31 36 psi 214 248 kPa 243 305 psi 1675 2103 kPa 33 38 psi 228 262 kPa 355 400 psi 2448 2758 kPa 38 43 psi 262 296 kPa ...

Page 191: ...uction 50 F 10 C 1092 lbs 495 kgs 70 F 21 C 958 lbs 435 kgs SUCTION PRESSUREPSIG kPa Freeze Cycle Liquid Line Pressure Acceptable Suction Pressure Range 185 200 psi 1276 1379 kPa 23 28 psi 159 193 kPa 225 255 psi 1551 1758 kPa 30 35 psi 207 241 kPa 230 280 psi 1586 1931 kPa 31 36 psi 214 248 kPa 243 305 psi 1675 2103 kPa 33 38 psi 228 262 kPa 355 400 psi 2448 2758 kPa 38 43 psi 262 296 kPa ...

Page 192: ...ction 50 F 10 C 2063 lbs 936 kgs 70 F 21 C 1702 lbs 772 kgs SUCTION PRESSUREPSIG kPa Freeze Cycle Liquid Line Pressure Acceptable Suction Pressure Range 175 200 psi 1207 1379 kPa 26 31 psi 176 214 kPa 220 250 psi 1517 1724 kPa 31 36 psi 214 248 kPa 225 275 psi 1551 1896 kPa 32 37 psi 221 255 kPa 250 310 psi 1724 2137 kPa 33 38 psi 228 262 kPa 365 410 psi 2517 2827 kPa 38 43 psi 262 296 kPa ...

Page 193: ...uction 50 F 10 C 2063 lbs 936 kgs 70 F 21 C 1702 lbs 772 kgs SUCTION PRESSUREPSIG kPa Freeze Cycle Liquid Line Pressure Acceptable Suction Pressure Range 175 200 psi 1207 1379 kPa 26 31 psi 176 214 kPa 220 250 psi 1517 1724 kPa 31 36 psi 214 248 kPa 225 275 psi 1551 1896 kPa 32 37 psi 221 255 kPa 250 310 psi 1724 2137 kPa 33 38 psi 228 262 kPa 365 410 psi 2517 2827 kPa 38 43 psi 262 296 kPa ...

Page 194: ...194 Part Number 000007661 6 13 This Page Intentionally Left Blank ...

Page 195: ...agrams 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 ...

Page 196: ...196 Part Number 000007661 6 13 Flake Models RF0244 RNS0244 RF0266 RF0385 RNS0385 RF0388 RF0399 AIR COOLED Refer to Nameplate for Voltage Rating ...

Page 197: ...r 6 Water Inlet valve 7 Evaporator low temperature safety or Low pressure control 10 Low water level safety 11 Bin thermostat 12 High temperature limit snap disc 13 Fan cycle control 17 Water level switch 21 Compressor relay 24 On Off switch 26 Gear motor centrifugal switch Wire Color Designation B White BL Blue G Grey M Brown N Black R Red RS Pink ...

Page 198: ...198 Part Number 000007661 6 13 RF0300 AIR COOLED Refer to Nameplate for Voltage Rating ...

Page 199: ...rature safety Low pressure control 10 Low water level safety 11 Bin thermostat 13 Fan cycle control 17 Water level switch 18 Ice chute safety switch 21 Compressor relay 24 On Off switch 25 Compressor time delay 26 Gear motor centrifugal switch 35 Compressor time delay by pass Wire Color Designation B White BL Blue G Grey M Brown N Black R Red RS Pink ...

Page 200: ...r 000007661 6 13 RFS0300 AIR COOLED Refer to Nameplate for Voltage Rating G BL BL BL B R BL L B L B M N M G M RS P R R M M M K G M 18 15 A1 A2 K BL N N M M N RS R P P R 6 N 24 17 4 2 1 10 13 11 L 21 26 25 18 35 27 19 ...

Page 201: ...y 11 Bin thermostat 13 Fan cycle control 17 Water level switch 18 Ice chute safety switch 19 High Pressure Safety Switch 21 Compressor relay 24 On Off switch 25 Compressor time delay 26 Gear motor centrifugal switch 27 Low Pressure Safety Switch 35 Compressor time delay by pass Wire Color Designation B White BL Blue G Grey M Brown N Black R Red RS Pink ...

Page 202: ...202 Part Number 000007661 6 13 RF0650 RF1200 RFS1200 AIR COOLED Refer to Nameplate for Voltage Rating ...

Page 203: ...er level safety 11 Bin thermostat 13 Fan cycle control 15 Contactor 17 Water level switch 18 Ice chute safety switch 19 High pressure cut out 21 Compressor relay 24 On Off switch 25 Compressor time delay 27 Low pressure cut out 30 Rotation sensor 35 Compressor time delay by pass Wire Color Designation B White BL Blue G Grey M Brown N Black R Red RS Pink ...

Page 204: ...204 Part Number 000007661 6 13 RF1200 RFS1200 WATER COOLED Refer to Nameplate for Voltage Rating ...

Page 205: ...water level safety 11 Bin thermostat 13 Fan cycle control 15 Contactor 17 Water level switch 18 Ice chute safety switch 19 High pressure cut out 21 Compressor relay 24 On Off switch 25 Compressor time delay 27 Low pressure cut out 30 Rotation sensor 35 Compressor time delay by pass Wire Color Designation B White BL Blue G Grey M Brown N Black R Red RS Pink ...

Page 206: ...206 Part Number 000007661 6 13 RF1200C RFS1200C QUIETQUBE HEAD SECTION Supply Power To RCU Condensing Unit To Remote Panel Remove Jumper when used ...

Page 207: ...let valve 10 Low water level safety 11 Bin thermostat 17 Water level switch 18 Ice chute safety switch 21 Compressor Relay 24 On Off switch 30 Rotation sensor 35 Compressor time delay by pass 38 Solenoid Valve Wire Color Designation B White BL Blue G Grey M Brown N Black R Red V Violet A Orange ...

Page 208: ...208 Part Number 000007661 6 13 RF2300 RFS2300 AIR COOLED WATER COOLED Refer to Nameplate for Voltage Rating ...

Page 209: ...at 13 Fan cycle control 15 Contactor 17 Water level switch 18 Ice chute safety switch 19 High pressure cut out 24 On Off switch 25 Compressor time delay 27 Low pressure cut out 29 Compressor time delay relay 30 Rotation sensor 35 Compressor time delay by pass 37 Remote indicator panel terminals Rc Compressor crankcase heater Wire Color Designation B White BL Blue G Grey M Brown N Black R Red RS Pi...

Page 210: ...210 Part Number 000007661 6 13 RF2378C RFS2378C QUIETQUBE HEAD SECTION To Remote Electrical Panel Remove Bypass Power Supply To Refrigerating Plant ...

Page 211: ...6 Water inlet valve 10 Low water level safety 11 Bin thermostat 17 Water level switch 18 Ice chute safety switch 21 Compressor Relay 24 On Off switch 30 Rotation sensor 35 Compressor time delay by pass 38 Solenoid Valve Wire Color Designation B White BL Blue G Grey M Brown N Black R Red A Orange ...

Page 212: ...212 Part Number 000007661 6 13 Condensing Units RCU CONDENSING UNIT 1PH ...

Page 213: ...Part Number 000007661 6 13 213 RCU CONDENSING UNIT 3PH ...

Page 214: ...214 Part Number 000007661 6 13 Rack Models RF1279R RFS1279R HEAD SECTION To Remote Electrical Panel Remove Bypass Power Supply To Refrigerating Plant ...

Page 215: ...el safety 11 Bin thermostat 17 Water level switch 18 Ice chute safety switch 21 Compressor Relay 24 On Off switch 30 Rotation sensor 35 Compressor time delay by pass 45 Suction Line Solenoid Valve 46 Liquid Line Solenoid Valve Wire Color Designation B White BL Blue G Grey M Brown N Black R Red V Violet A Orange ...

Page 216: ...216 Part Number 000007661 6 13 RF2379R RFS2379R HEAD SECTION To Remote Electrical Panel Remove Bypass Power Supply To Refrigerating Plant ...

Page 217: ...el safety 11 Bin thermostat 17 Water level switch 18 Ice chute safety switch 21 Compressor Relay 24 On Off switch 30 Rotation sensor 35 Compressor time delay by pass 45 Suction Line Solenoid Valve 46 Liquid Line Solenoid Valve Wire Color Designation B White BL Blue G Grey M Brown N Black R Red V Violet A Orange ...

Page 218: ...218 Part Number 000007661 6 13 Nugget Models RNS0244 RNS0385 AIR COOLED Refer to Nameplate for Voltage Rating ...

Page 219: ...alve 7 Evaporator low temperature safety or Low pressure control 10 Low water level safety 11 Bin thermostat 12 High temperature limit snap disc 13 Fan cycle control 17 Water level switch 21 Compressor relay 24 On Off switch 26 Gear motor centrifugal switch Wire Color Designation B White BL Blue G Grey M Brown N Black R Red RS Pink ...

Page 220: ...220 Part Number 000007661 6 13 RNS0308 AIR COOLED Refer to Nameplate for Voltage Rating ...

Page 221: ... Low pressure control 10 Low water level safety 11 Bin thermostat 13 Fan cycle control 17 Water level switch 18 Ice chute safety switch 21 Compressor relay 24 On Off switch 25 Compressor time delay 26 Gear motor centrifugal switch 35 Compressor time delay by pass Wire Color Designation B White BL Blue G Grey M Brown N Black R Red RS Pink ...

Page 222: ...CK WHITE BL ACK BL ACK R ORANGE S S L COMPRESSOR C RED BL ACK BL ACK WHITE INPUT POWER WATER SENSOR CONT R OL B OARD K C A L B GEARM OT OR 24V N O M M O C C A V E N I L RED RED WHITE BIN T ST AT WHITE RED WHITE M 1 COMPRESSOR SW ITCH PWR BL ACK T O L BL ACK RED HIGH PRESSURE SAFETY SW I TCH 4 2 3 R UN ST AR T T O L E U L B YEL LO W BL ACK WHITE M BL ACK ...

Page 223: ...RESSOR R POTENTIAL START RELAY RUN CAP CAPACITOR START C S 2 1 5 T O L L1 L2 COMP FAN DRV RED WATER SENSOR G GREEN YELLOW GRN IN ELEC BOX BROWN BLUE WHITE WHITE BLACK BLACK ORANGE RED BLACK BLACK BLACK BLACK VIOLET VIOLET WHITE BLACK RED RED BLUE BLACK FAN M ORANGE BLACK L N HIGH PRESSURE SAFETY SWITCH COMPRESSOR SWITCH BIN T STAT BIN SIGNAL SWITCH ...

Page 224: ...224 Part Number 000007661 6 13 RNS1000 AIR COOLED Refer to Nameplate for Voltage Rating ...

Page 225: ...l safety 11 Bin thermostat 13 Fan cycle control 15 Contactor 17 Water level switch 18 Ice chute safety switch 19 High pressure cut out 21 Compressor relay 24 On Off switch 25 Compressor time delay 27 Low pressure cut out 30 Rotation sensor 35 Compressor time delay by pass Wire Color Designation B White BL Blue G Grey M Brown N Black R Red RS Pink ...

Page 226: ...SIGNAL RETURN 2 J3 GRAY GRAY PAIR HI PRESS HIGH PRESSURE OPENS EXCESS P 2 PE OPEN 425 PSI CLOSE 295 PSI K1 C NO L1 J7 J4 J5 MOTOR FAN J17 J18 J2 BRN BLU 1 2 3 J50 6 Amp Max 1 2hp Max NO C K3 J6 M2 M1 2 12 9 1 3 GRN 34 CB1 COMP SOL FAN DRV 19 18 SNUBBER 20FLA 240Vac CONTACTOR K10 L2 L1 2 5 7 8 S1 O I 240Vac 20FLA ON OFF SWITCH 1 4 11Amp DRAW RUNNING 50 60Hz 208V 230Vac 28 13 14 15 16 17 26 27 25 P1...

Page 227: ... CLOG R LO PRESS R HI PRESS R HI AMPS R SERVICE R CLEANING Y REFRIG ON G AUGER ON G LOW BIN G POWER G PURGE Y J21 CONTROL PC BOARD J23 J22 J24 GRAY GRAY PAIR RED GRAY PAIR J51 4 3 2 1 INPUT 2 OR MAINT PURGE S2 MOM CLEAN S3 FULL BIN CONTACT CLOSURE RETURN V 3 WIRE V OUT light on WATER LEVEL COM DRAIN CLOG 8 LE 7 LOW LE ALARM 4 LE COM 3 LE NORM HIGH 6 NORM LOW 2 LE LE JUMPER JUMPER 22 24 23 FCV 3 20...

Page 228: ...228 Part Number 000007661 6 13 Refrigeration Tubing Schematics Flake Models RF0244 RFS0244 RF0266 RF0300 RF0385 RF0388 RF0399 RF0644 RF0650 1 7 6 5 4 3 2 ...

Page 229: ...Part Number 000007661 6 13 229 TUBING DIAGRAM LEGEND 1 Compressor 2 Condenser 3 Liquid Line Drier 4 Capillary tube 5 Accumulator 6 Heat Exchanger 7 Evaporator ...

Page 230: ...230 Part Number 000007661 6 13 RF1200 RFS1200 AIR COOLED 1 8 5 4 3 2 6 7 ...

Page 231: ...umber 000007661 6 13 231 TUBING DIAGRAM LEGEND 1 Compressor 2 Condenser 3 Liquid Line Drier 4 Liquid Line Solenoid Valve 5 Suction Accumulator 6 Thermostatic Expansion Valve 7 Liquid Accumulator 8 Evaporator ...

Page 232: ...232 Part Number 000007661 6 13 RF1200 RFS1200 WATER COOLED 1 5 4 3 2 8 6 7 ...

Page 233: ...umber 000007661 6 13 233 TUBING DIAGRAM LEGEND 1 Compressor 2 Condenser 3 Liquid Line Drier 4 Liquid Line Solenoid Valve 5 Suction Accumulator 6 Thermostatic Expansion Valve 7 Liquid Accumulator 8 Evaporator ...

Page 234: ...234 Part Number 000007661 6 13 RF2300 RFS2300 AIR COOLED 1 8 5 4 3 2 8 6 7 ...

Page 235: ...umber 000007661 6 13 235 TUBING DIAGRAM LEGEND 1 Compressor 2 Condenser 3 Liquid Line Drier 4 Liquid Line Solenoid Valve 5 Suction Accumulator 6 Thermostatic Expansion Valve 7 Liquid Accumulator 8 Evaporator ...

Page 236: ...236 Part Number 000007661 6 13 RF2300 RFS2300 WATER COOLED 1 8 5 4 3 2 8 6 7 ...

Page 237: ...umber 000007661 6 13 237 TUBING DIAGRAM LEGEND 1 Compressor 2 Condenser 3 Liquid Line Drier 4 Liquid Line Solenoid Valve 5 Suction Accumulator 6 Thermostatic Expansion Valve 7 Liquid Accumulator 8 Evaporator ...

Page 238: ...238 Part Number 000007661 6 13 RF1200C RFS1200C QUIETQUBE HEAD SECTION RCU1075 CONDENSING UNIT 1 6 5 3 2 4 7 9 10 11 12 13 14 ...

Page 239: ...rol Valve 4 Condenser air or water cooled 5 Receiver 6 Condensing unit Liquid Line Drier 7 Liquid Line Shut off Valve 8 Ice Machine Liquid Line Drier 9 Liquid Line Solenoid Valve 10 Thermostatic Expansion Valve 11 Evaporator 12 Suction Line Shut off Valve 13 Suction Line Filter 14 Suction Accumulator ...

Page 240: ...240 Part Number 000007661 6 13 RF2300C RFS2300 QUIETQUBE HEAD SECTION RCU2375 CONDENSING UNIT 1 6 5 3 2 4 7 9 10 11 13 14 15 11 12 ...

Page 241: ... Condenser air or water cooled 5 Receiver 6 Condensing unit Liquid Line Drier 7 Liquid Line Shut off Valve 8 Ice Machine Liquid Line Drier 9 Liquid Line Solenoid Valve 10 Thermostatic Expansion Valve 11 Evaporator 12 Liquid Accumulator 13 Suction Line Shut off Valve 14 Suction Line Filter 15 Suction Accumulator ...

Page 242: ...242 Part Number 000007661 6 13 Nugget Models RN0244 RNS0244 RN0385 RNS0385 AIR WATER COOLED 1 6 5 3 2 4 ...

Page 243: ...Part Number 000007661 6 13 243 TUBING DIAGRAM LEGEND 1 Compressor 2 Condenser air or water cooled 3 Liquid Line Drier 4 Heat Exchanger 5 Capillary Tube 6 Evaporator ...

Page 244: ...244 Part Number 000007661 6 13 RNS0308 1 6 5 3 2 4 ...

Page 245: ...Part Number 000007661 6 13 245 TUBING DIAGRAM LEGEND 1 Compressor 2 Condenser air or water cooled 3 Liquid Line Drier 4 Heat Exchanger 5 Automatic Expansion Valve 6 Evaporator ...

Page 246: ...246 Part Number 000007661 6 13 RN0400 RN1000 RN1400 AIR WATER COOLED 1 6 5 3 2 4 ...

Page 247: ...Part Number 000007661 6 13 247 TUBING DIAGRAM LEGEND 1 Compressor 2 Condenser air or water cooled 3 Liquid Line Drier 4 Heat Exchanger 5 Thermostatic Expansion Valve 6 Evaporator ...

Page 248: ...248 Part Number 000007661 6 13 RN1000C RN1200C QUIETQUBE HEAD SECTION RCU1075 RCU1275 CONDENSING UNIT 1 6 5 3 2 4 7 8 9 10 11 12 13 14 15 ...

Page 249: ... Condenser air or water cooled 5 Receiver 6 Condensing unit Liquid Line Drier 7 Liquid Line Shut off Valve 8 Ice Machine Liquid Line Drier 9 Liquid Line Solenoid Valve 10 Thermostatic Expansion Valve 11 Evaporator 12 S Trap 20 Rise Only 13 Suction Line Shut off Valve 14 Suction Line Filter 15 Suction Accumulator ...

Page 250: ...250 Part Number 000007661 6 13 This Page Intentionally Left Blank ...

Page 251: ......

Page 252: ...Manitowoc Ice 2110 South 26th Street P O Box 1720 Manitowoc WI 54221 1720 USA Ph 920 682 0161 Fax 920 683 7589 Visit us online at www manitowocfsg com 2012 Manitowoc Part Number 000007661 6 13 ...

Search results

Summary of Contents for RF1200W

Reviews:

Brands by name

Popular brands

Manitowoc RF1200W, Technician'S Handbook

Search results

Summary of Contents for RF1200W

Reviews:

Brands by name

Popular brands