Welbilt KOOLAIRE K0170 Series Скачать руководство пользователя страница 61

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Diagnosing an Ice Machine that will not run.

Koolaire UnderCounter Ice Machines : Troubleshooting

1. Verify primary voltage is supplied to ice

machine and the fuse/circuit breaker is

closed.

2. Verify control board fuse is okay.

NOTE: If any control board lights are on,
the fuse is okay.

3. Verify the bin switch functions properly.

A defective bin switch can falsely indicate

a full bin of ice.

4. Verify Toggle Switch functions properly.

A defective Toggle Switch may keep the

ice machine in the OFF mode.

Ice/Off/Clean

Ice

Off

Clean

Содержание KOOLAIRE K0170 Series

Страница 1: ...Welbilt Inc Koolaire Ice Machines Course ID ICE2114 Koolaire Ice Machine Training 4 Hour duration...

Страница 2: ...Introduction Overview Installation Interior Cleaning and Sanitizing Disassembly Removal Sequence of Operation Troubleshooting Modular Product Introduction Overview Installation Interior Cleaning and...

Страница 3: ...Welbilt Inc Welbilt Inc Overview Koolaire UnderCounter Ice Machines 3...

Страница 4: ...Welbilt Inc Component Identification 4 Koolaire UnderCounter Ice Machines Overview Ice making and Bin compartment Data Plate Removable Front Cover Washable Air Filter 2ea Front Cover Screws...

Страница 5: ...mponent Identification 5 Koolaire UnderCounter Ice Machines Overview Data Plate Condenser Control Box Ice Off Clean Switch Compressor Compartment Service Valves Hot Gas Valve Fan Cycling Switch High P...

Страница 6: ...Welbilt Inc Component Identification 6 Koolaire UnderCounter Ice Machines Overview Evaporator Ice Thickness Probe Damper Door Water Trough Overflow Drain...

Страница 7: ...onent Identification Water Pump Cover Removed 7 Koolaire UnderCounter Ice Machines Overview Ice Thickness Probe Discharge Hose Water Pump Bin Switch Magnet Damper Door Float Valve Siphon Cap Overflow...

Страница 8: ...12 MFG DT 1501 600 P S I G DESIGN PRESSURE LOW SIDE 250 P S I G 17 BAR DESIGN PRESSURE HIGH SIDE 500 P S I G 34 BAR VOLTS CYCLE115 V 60 Hz AMPS 7 0 REFRIG TYPE R 404A PHASE 1 REFRIG CHARGE 14OZ 0 397K...

Страница 9: ...nt type identifier has been added to model numbers KYF 150 A 161 ICE MACHINE MODEL ICE CUBE SIZE D DICE Y HALF DICE ICE MACHINE SERIES CONDENSER TYPE A SELF CONTAINED AIR COOLED W SELF CONTAINED WATER...

Страница 10: ...Welbilt Inc Review 10 Koolaire UnderCounter Ice Machines Overview Overview o Component Identification Compressor Compartment Evaporator Compartment o Model Number...

Страница 11: ...Welbilt Inc Welbilt Inc Installation Koolaire UnderCounter 11...

Страница 12: ...Welbilt Inc Installation Operation and Maintenance Manual 12 UnderCounter Installation...

Страница 13: ...a full bin of ice Enough clearance for water drain and electrical connections in the rear of the ice machine The location selected for the ice machine must meet the following criteria If any of these...

Страница 14: ...reject heat through the condenser It is helpful to know the amount of heat rejected by the ice machine when sizing air conditioning equipment where self contained air cooled ice machines are installe...

Страница 15: ...15 UnderCounter Installation 1 Screw the leveling legs onto the bottom of the ice machine 2 Screw the foot of each leg in as far as possible 3 Move into position 4 Level the ice machine to ensure that...

Страница 16: ...codes If a power cord is used the wire size to the receptacle is dependent upon location materials used length of run etc so it must be determined by a qualified electrician Local state or national re...

Страница 17: ...Machine Fitting Tubing Size Up to Ice Machine Fitting Ice Making Water Inlet 35 F 2 C Min 90 F 32 C Max 20 psi 140 kPa Min 80 psi 552 kPa Max 3 8 95 cm Female Pipe Thread 3 8 95 cm min inside diamete...

Страница 18: ...Welbilt Inc Review 18 Koolaire UnderCounter Ice Machines Overview Location of Ice Machine Clearance Requirements Heat of Rejection Leveling Electrical Requirements Water Service Drains...

Страница 19: ...Welbilt Inc Welbilt Inc Cleaning Sanitizing Koolaire UnderCounter Ice Machines 19...

Страница 20: ...e area around the ice machine as often as necessary to maintain cleanliness and efficient operation Sponge any dust and dirt off the outside of the ice machine with mild soap and water Wipe dry with a...

Страница 21: ...ter Cleaning The washable aluminum filter on self contained air cooled ice machines is designed to catch dust dirt lint and grease This helps keep the condenser clean Remove by sliding out the left si...

Страница 22: ...UnderCounter Cleaning Sanitizing Cleaner for Lime or Mineral Build up Sanitizer for Disinfecting KOOLAIRE Approved Manitowoc Ice Cleaner 000005163 Manitowoc Ice Sanitizer 000005165 Use only Manitowoc...

Страница 23: ...unter Cleaning Sanitizing Step 1 Set the toggle switch to the OFF position after ice falls from the evaporator at the end of a Harvest cycle Or set the switch to the OFF position and allow the ice to...

Страница 24: ...Welbilt Inc Interior Cleaning Sanitizing 24 UnderCounter Cleaning Sanitizing Step 2 Remove all ice from the bin No ice in the Bin...

Страница 25: ...Welbilt Inc Interior Cleaning Sanitizing 25 UnderCounter Cleaning Sanitizing Step 3 To start a cleaning cycle move the toggle switch to the WASH position...

Страница 26: ...Welbilt Inc Interior Cleaning Sanitizing 26 UnderCounter Cleaning Sanitizing Step 4 Add the proper amount of Manitowoc Ice Machine Cleaner to the water Trough...

Страница 27: ...tion disconnect Power and water supplies to the ice machine Water Pump Hot Gas Solenoid Contactor Coil Compressor Condenser Fan Motor 1 Clean or Sanitize 10 Minutes Rinse Sequence 2 Water Purge 45 Sec...

Страница 28: ...Welbilt Inc Interior Cleaning Sanitizing 28 UnderCounter Cleaning Sanitizing Step 6 Remove parts for cleaning...

Страница 29: ...Welbilt Inc Interior Cleaning Sanitizing 29 UnderCounter Cleaning Sanitizing Step 6 Remove parts for cleaning...

Страница 30: ...Welbilt Inc Removable parts for Cleaning Sanitizing 30 UnderCounter Cleaning Sanitizing UPPER THUMBSCREW LOWER THUMBSCREWS TAB KEYWAY INNER TUBE INNER TUBE...

Страница 31: ...r Cleaning Sanitizing 31 UnderCounter Cleaning Sanitizing Step 7 Mix a solution of cleaner and warm water Solution Type Water Mixed with Cleaner 1 gal 4L 16oz 500 ml cleaner NOTE Never mix cleaner and...

Страница 32: ...ng Sanitizing Step 8 Use of the solution to clean all components Step 9 Use of the solution to clean all food zone surfaces of the ice machine and bin After Cleaning Rinse all areas thoroughly with cl...

Страница 33: ...Welbilt Inc Review 33 Koolaire UnderCounter Ice Machines Cleaning Sanitizing Exterior Cleaning Cleaning Sanitizing procedure Removable parts for cleaning...

Страница 34: ...Welbilt Inc Welbilt Inc Sequence of Operation Koolaire UnderCounter Ice Machines 34...

Страница 35: ...tell it to do 15 CONTACTOR CONTACTS HIGH PRES CUTOUT 14 FUSE TRANS 1 2 3 3 HARVEST LIGHT BIN SWITCH LIGHT CONTROL BOARD 2 TOGGLE SWITCH BIN SWITCH WASH OFF ON 22 24 23 20 21 10 11 7 8 6 5 9 4 12 13 F...

Страница 36: ...cuits to ground 15 CONTACTOR CONTACTS HIGH PRES CUTOUT 14 FUSE TRANS 1 2 3 3 HARVEST LIGHT BIN SWITCH LIGHT CONTROL BOARD 2 TOGGLE SWITCH BIN SWITCH WASH OFF ON 22 24 23 20 21 10 11 7 8 6 5 9 4 12 13...

Страница 37: ...WITCH LIGHT CONTROL BOARD 2 TOGGLE SWITCH BIN SWITCH WASH OFF ON 22 24 23 20 21 10 11 7 8 6 5 9 4 12 13 FAN CYCLE CONTROL COMPRESSOR START START CAPACITOR OVERLOAD PROTECTOR FAN MOTOR AIR COOLED ONLY...

Страница 38: ...GHT BIN SWITCH LIGHT CONTROL BOARD 2 TOGGLE SWITCH BIN SWITCH WASH OFF ON 22 24 23 20 21 10 11 7 8 6 5 9 4 12 13 FAN CYCLE CONTROL COMPRESSOR START START CAPACITOR OVERLOAD PROTECTOR FAN MOTOR AIR COO...

Страница 39: ...0 21 10 11 7 8 6 5 9 4 12 13 FAN CYCLE CONTROL COMPRESSOR START START CAPACITOR OVERLOAD PROTECTOR FAN MOTOR AIR COOLED ONLY WATER PUMP HOT GAS SOLENOID CONTACTOR COIL ICE THICKNESS PROBE R 11 13 10 S...

Страница 40: ...erCounter Ice Machines Sequence of Operation 40 Initial Start Push Toggle Switch to start making ice The toggle switch must be in the Ice On Position Bin Switch must be closed not sensing ice before t...

Страница 41: ...CONTACTOR CONTACTS HIGH PRES CUTOUT 14 FUSE TRANS 1 2 3 3 HARVEST LIGHT BIN SWITCH LIGHT CONTROL BOARD 2 TOGGLE SWITCH BIN SWITCH WASH OFF ON 22 24 23 20 21 10 11 7 8 6 5 9 4 12 13 FAN CYCLE CONTROL...

Страница 42: ...e Contactor Coil 15 CONTACTOR CONTACTS HIGH PRES CUTOUT 14 FUSE TRANS 1 2 3 3 HARVEST LIGHT BIN SWITCH LIGHT CONTROL BOARD 2 TOGGLE SWITCH BIN SWITCH WASH OFF ON 22 24 23 20 21 10 11 7 8 6 5 9 4 12 13...

Страница 43: ...2 3 3 HARVEST LIGHT BIN SWITCH LIGHT CONTROL BOARD 2 TOGGLE SWITCH BIN SWITCH WASH OFF ON 22 24 23 20 21 10 11 7 8 6 5 9 4 12 13 FAN CYCLE CONTROL COMPRESSOR START START CAPACITOR OVERLOAD PROTECTOR F...

Страница 44: ...of Operation 44 4 Freeze 2 Start 5 Sec 1 Equal 15 Sec Energized Components Contactor Coil o Compressor o Fan motor potential to run Water Pump 4 Freeze Ice Thickness Probe 3 Pre chill 30 Sec NOTE Wat...

Страница 45: ...of contact signals the control board to start a harvest cycle Water contact with the ITP will cause the red light on the control board to come on during freeze cycle Goal is a 1 8 Bridge thickness Se...

Страница 46: ...Switch 3 5 Min Max 15 CONTACTOR CONTACTS HIGH PRES CUTOUT 14 FUSE TRANS 1 2 3 3 HARVEST LIGHT BIN SWITCH LIGHT CONTROL BOARD 2 TOGGLE SWITCH BIN SWITCH WASH OFF ON 22 24 23 20 21 10 11 7 8 6 5 9 4 12...

Страница 47: ...Welbilt Inc Koolaire UnderCounter Ice Machines Sequence of Operation 47 5 Harvest Water Drain System Water inlet Float Siphon Cap Overflow drain Water Level Line Water Pump Discharge Hose...

Страница 48: ...of Operation 48 5 Harvest Water Drain System Siphon Cap Over Flow Tube Water Trough Water Level Freeze Cycle Float Valve maintains water level during Harvest Cycle Water Pump stops and water overflow...

Страница 49: ...Start 5 Sec 1 Equal 15 Sec Energized Components Contactor Coil o Compressor o Fan motor potential to run 4 Freeze Ice Thickness Probe 3 Pre chill 30 Sec 5 Harvest Bin Switch Bin Switch Opens Closes W...

Страница 50: ...Sec 4 Freeze Ice Thickness Probe 3 Pre chill 30 Sec 5 Harvest Bin Switch Bin Switch Opens Stays open for more than 30 Seconds NOTE As the bin fills up the ice falling from the evaporator doesn t have...

Страница 51: ...s Probe 3 Pre chill 30 Sec 5 Harvest Bin Switch The Ice machine remains off until enough ice has been removed Ice Damper swings back into the upright position Bin Switch Re Closes Ice Machine Restarts...

Страница 52: ...Welbilt Inc Welbilt Inc Sequence of Operation Refrigeration System Koolaire UnderCounter Ice Machines 52...

Страница 53: ...tion 53 Refrigeration System Freeze Cycle X Condenser Heat Exchanger Compressor Drier Hot Gas Solenoid Valve Thermostatic Expansion Valve Receiver Water Cooled Only HIGH PRESSURE VAPOR HIGH PRESSURE L...

Страница 54: ...tion 54 Refrigeration System Harvest Cycle Condenser Heat Exchanger Compressor Drier Hot Gas Solenoid Valve Thermostatic Expansion Valve Receiver Water Cooled Only HIGH PRESSURE VAPOR HIGH PRESSURE LI...

Страница 55: ...Counter Ice Machines Overview Sequence Of Operation o Control System o Pressure Equalization o Refrigeration System Start Up o Pre Chill o Freeze ITP Operation o Harvest Bin Switch Water Drain System...

Страница 56: ...Welbilt Inc Welbilt Inc Troubleshooting Koolaire UnderCounter 56...

Страница 57: ...Welbilt Inc 57 DIAGNOSING AN ICE MACHINE THAT WILL NOT RUN Koolaire UnderCounter Troubleshooting...

Страница 58: ...n Ice Machine that will not run 58 Koolaire UnderCounter Ice Machines Troubleshooting 1 Verify primary voltage is supplied to ice machine and the fuse circuit breaker is closed Wire 4 L1 and 2 L2 120...

Страница 59: ...l not run 59 Koolaire UnderCounter Ice Machines Troubleshooting 1 Verify primary voltage is supplied to ice machine and the fuse circuit breaker is closed 2 Verify control board fuse is okay NOTE If a...

Страница 60: ...erify primary voltage is supplied to ice machine and the fuse circuit breaker is closed 2 Verify control board fuse is okay NOTE If any control board lights are on the fuse is okay 3 Verify the bin sw...

Страница 61: ...he fuse circuit breaker is closed 2 Verify control board fuse is okay NOTE If any control board lights are on the fuse is okay 3 Verify the bin switch functions properly A defective bin switch can fal...

Страница 62: ...Ice Machines Troubleshooting 5 Be sure Steps 1 4 were followed thoroughly Intermittent problems are not usually related to the control board Replace control board if user interface board does not corr...

Страница 63: ...Welbilt Inc 63 DIAGNOSING AN ICE THICKNESS CONTROL NOT CYCLING INTO HARVEST Koolaire UnderCounter Troubleshooting...

Страница 64: ...est 64 Koolaire UnderCounter Ice Machines Troubleshooting 1 Bypass the freeze time lock in by moving the ON OFF WASH switch to OFF and back to ON Wait until the water starts to flow over the evaporato...

Страница 65: ...rom the ITP to any cabinet Ground o The harvest light comes on and 6 10 seconds later the ice machine cycles from freeze to harvest o The harvest light comes on but the ice machine stays in the freeze...

Страница 66: ...not Cycle into Harvest 66 Koolaire UnderCounter Ice Machines Troubleshooting 3 Disconnect the ITP from the control board terminal Clip the jumper wire to the terminal on the control board and to any c...

Страница 67: ...est light o The harvest light comes on and 6 10 seconds later the ice machine cycles from freeze to harvest o The harvest light comes on but the ice machine stays in the freeze sequence o The harvest...

Страница 68: ...Welbilt Inc 68 DIAGNOSING AN ICE THICKNESS CONTROL CYCLES INTO PREMATURE HARVEST Koolaire UnderCounter Troubleshooting...

Страница 69: ...Wait until the water starts to flow over the evaporator then monitor the harvest light Step 2 Disconnect the ice thickness probe from the control board terminal o The harvest light stays off and the i...

Страница 70: ...Welbilt Inc 70 SAFETY LIMITS Koolaire UnderCounter Troubleshooting...

Страница 71: ...mers that will shut the ice machine off to protect itself if there is a problem before causing further damage If a Safety Limit has shut down the ice machine the red Harvest light on the control board...

Страница 72: ...es outside the time limit 1 hour Stand by Mode Safety 2 3 Consecutive 3 5 minute Harvest Cycles If the harvest time reaches 3 5 minutes the control board automatically returns the ice machine to the f...

Страница 73: ...sure not between 20 and 80 psig 1 5 bar 138 552 kPa Incoming water temperature is not between 35 F 1 7 C and 90 F 32 2 C Water Filtration is plugged if used Vent tube is not installed on water outlet...

Страница 74: ...ilt Inc Review 74 Koolaire UnderCounter Ice Machines Troubleshooting Ice Machine that will not run Ice Thickness Control o Not Cycling into Harvest o Premature Harvest Safety Limits Water System Check...

Страница 75: ...Welbilt Inc Welbilt Inc Overview Koolaire Modular Ice Machines 75...

Страница 76: ...e identifier has been added to upcoming model numbers KYT 500 A 261 ICE MACHINE MODEL ICE CUBE SIZE D DICE Y HALF DICE Ice Machine Series CONDENSER TYPE A SELF CONTAINED AIR COOLED W SELF CONTAINED WA...

Страница 77: ...Welbilt Inc Component Identification 77 Koolaire Modular Ice Machines Overview Water Curtain Front View...

Страница 78: ...Welbilt Inc Component Identification 78 Koolaire Modular Ice Machines Overview Control Box Evaporator Refrigeration Access Valves Toggle Switch Curtain Switch Float Switches Water Trough Front View...

Страница 79: ...lt Inc Component Identification 79 Koolaire Modular Ice Machines Overview Control Box Evaporator Refrigeration Access Valves Toggle Switch Curtain Switch Float Switches Water Trough Front View Warning...

Страница 80: ...ESSURE LIQUID LOW PRESSURE LIQUID LOW PRESSURE VAPOR Rotary Compressor Third Port Liquid Charging Damage may occur when charging liquid into the front discharge line service access port It is recommen...

Страница 81: ...onent Identification 81 Koolaire Modular Ice Machines Overview R 410a Refrigeration Access Service Valves Control Board Compressor Run Capacitor Compressor Contactor On Off Clean Toggle Switch Front V...

Страница 82: ...Welbilt Inc Component Identification 82 Koolaire Modular Ice Machines Overview Harvest Float Switch Ice Thickness Float Switch Water Pump Water Trough Compartment...

Страница 83: ...should be about 1 8 3 mm thick 2 If adjustment is necessary turn the high water float clockwise to increase bridge thickness raising water level counterclockwise to decrease bridge thickness lowering...

Страница 84: ...lt Inc Right Side 84 Koolaire Modular Ice Machines Overview Right Side Heat Exchanger High Pressure Cut out Discharge Manifold Strainer Water Inlet Solenoid Valve Water Dump Valve Curtain Switch Compr...

Страница 85: ...Modular Ice Machines Overview Left Side Water pump Discharge hose TXV Bulb Evaporator Outlet TXV Evaporator Inlet Harvest Float Switch ITP Float Switch Cupra Nickel Water Cooled Condenser Water Regul...

Страница 86: ...Overview Rear Water Cooled Electrical Connection Rear Data Plate 3 8 95cm Ice Making Water Inlet 1 27cm Ice Making Water Drain 1 27cm Condenser Water Drain 3 8 95cm Condenser Water Inlet Injection Mol...

Страница 87: ...Traditional Remote Line sets 87 Koolaire Modular Ice Machines Overview Indigo NXT Koolaire Traditional Remote Ice machines have common Traditional Remote Line sets for stocking and ease of installatio...

Страница 88: ...Welbilt Inc Review 88 Overview Component Identification o Front Control Box Ice Thickness Water Level Adjustment o Right Side o Left Side o Rear...

Страница 89: ...Welbilt Inc Welbilt Inc Installation Koolaire Modular Ice Machines 89...

Страница 90: ...Welbilt Inc Installation and Maintenance Manual 90 Koolaire Modular Installation...

Страница 91: ...uit Amperage Chart 8 WaterSupply and Drain Requirements 9 Water Supply 9 Water Inlet Lines 9 Drain Connections 9 WaterSupply and Drain Line Sizing Connections 10 Water Cooled Condenser Water Pressure...

Страница 92: ...not be near heat generating ovens dishwashers etc equipment or in direct sunlight and must be protected from weather The location must not obstruct air flow through or around the ice machine Refer to...

Страница 93: ...0 6100 KT0700 12400 13700 KT1000 60 Hz 15400 17100 KT1000 50 Hz 14600 16200 KT1700 24700 29000 Ice Machine Heat of Rejection Ice machines like other refrigeration equipment reject heat through the con...

Страница 94: ...rain fitting 2 Screw the leveling legs onto the bottom of the bin 3 Screw the foot of each leg in as far as possible 4 Move the ice machine into its final position 5 Level the ice machine by using a l...

Страница 95: ...Modular Installation The air cooled baffle prevents condenser air from recirculating To Install 1 Loosen the back panel screws next to the condenser 2 Align the keyhole slots in the air baffle with th...

Страница 96: ...Installation All Electrical work including wire routing and grounding must conform to all applicable national and local electrical codes If a power cord is used the wire size to the receptacle is depe...

Страница 97: ...pe Thread 1 2 1 27 cm FPT I3300 Only 3 8 95 cm min inside diameter Ice Making Water Drain 1 2 1 27 cm Female Pipe Thread 1 2 1 27 cm min inside diameter Condenser Water Inlet 90 F 32 2 C Max Standard...

Страница 98: ...Welbilt Inc 98 Koolaire Modular REMOTE INSTALLATION Koolaire Modular Installation...

Страница 99: ...e Circuit Condenser Line Set KT1000 JCT1200 RT 20R R410 RT 35R R410 RT 50R R410 KT1700 JCT1500 RL 20R R410 RL 35R R410 RL 50R R410 Line Set Discharge Line Liquid Line RT 1 2 1 27cm 5 16 79cm RL 1 2 1...

Страница 100: ...0 lbs 3 2 kg 230 VOLT 60 Hz MIN CIRCUIT AMPS 16 3 COMP R L A FREEZE 12 1 COMP R L A HARVEST L R A 66 0 FAN MOTOR 0 7 PUMP 0 4 SOLENOID 0 1 GEAR MOTOR 20 MAX CIRCUIT FUSE OR HACR CIRCUIT BREAKER CANADA...

Страница 101: ...the bottom for air intake The front coupling panel and one other panel back or side must also be unobstructed Remote condenser installations consist of vertical and horizontal line sets between the i...

Страница 102: ...nser Distances 102 Koolaire Modular Installation Maximum Line Set Run H R D 100 feet 30 5 meters Maximum Rise 35 feet 10 7 meters Maximum Drop 15 feet 4 5 meters Maximum Calculated Distance 150 feet 4...

Страница 103: ...___ Calculated Rise Measured Drop 15 4 5 m Maximum _______x 6 6 ______ Calculated Drop Measured Horizontal Distance ______ Horizontal Distance Total Calculated Distance 150 45 7 m Maximum ______ Total...

Страница 104: ...er valves Use these valves to recover any vapor charge from the line set When lengthening or shortening lines follow good refrigeration practices purge with nitrogen and insulate all tubing Do not cha...

Страница 105: ...of Traditional Remote Line sets 105 Koolaire Modular Installation Indigo NXT Koolaire Traditional Remote Ice machines have common Traditional Remote Line sets for stocking and ease of installation Ca...

Страница 106: ...r operator completed the warranty registration card Has the ice machine and bin been sanitized Is the ice thickness control set correctly Refer to Operational Checks to check set the correct ice bridg...

Страница 107: ...lbilt Inc Review 107 Installation Installation Manual Location of Ice Machine Heat of Rejection Bin Installation Air Baffle Electrical Service Water and Drain Connections Line Set Installation Checkli...

Страница 108: ...Welbilt Inc Welbilt Inc Removal of Parts Koolaire Modular Ice Machines 108...

Страница 109: ...Welbilt Inc Remove Front Panel 109 Koolaire Modular Removal of Parts Loosen Screws on the front panel Pull the bottom of the panel out 45 degrees Lift off...

Страница 110: ...Welbilt Inc Water Curtain 110 Koolaire Modular Removal of Parts Gently flex the curtain in the center and remove it from the right side Slide the left pin out...

Страница 111: ...arts Only on Self Contained Air Cooled Ice Machines The Purpose is to keep air from blowing from the Compressor compartment into the evaporator compartment thus keeping the ice machine cleaner longer...

Страница 112: ...Welbilt Inc Water Trough 112 Koolaire Modular Removal of Parts Pull tabs on right and left side of the water trough Allow front of water trough to drop as you pull forward to disengage the rear suppor...

Страница 113: ...Removal of Parts Remove the water trough Grasp pump and pull straight down on pump assembly until water pump disengages and electrical connector is visible Disconnect the electrical connector Remove...

Страница 114: ...est Float Switches 114 Koolaire Modular Removal of Parts For removal pull the Float Switches straight down to disengage Lower the Float Switches until the wiring connector is visible Disconnect the wi...

Страница 115: ...Inc Water Distribution Tube 115 Koolaire Modular Removal of Parts Remove distribution tube by loosening the 2 two outer thumbscrews Pull the tube forward to release slip joint from water pump tubing c...

Страница 116: ...Inc Evaporator Top Filler Panel 116 Koolaire Modular Removal of Parts The evaporator top filler panel does not have to be removed for every cleaning Remove by Remove top cover Lift evaporator top fill...

Страница 117: ...dular Removal of Parts The washable filter on self contained ice machines is designed to catch dust dirt lint and grease Clean the filter with a mild soap and water Remove by Disengage tab holding air...

Страница 118: ...Welbilt Inc Review 118 Removal of Parts o Panels o Water Curtain o Top Evaporator Cover o Water Trough o Water Pump o Float Switches o Water Distribution Tube o Evaporator Top Filler Panel o Air Filte...

Страница 119: ...Welbilt Inc Welbilt Inc Cleaning Sanitizing Koolaire Modular Ice Machines 119...

Страница 120: ...Cleaner or Sanitizer 120 Koolaire Modular Cleaning Sanitizing Cleaner for Lime and or Mineral Build up Sanitizer for Disinfecting KOOLAIRE Approved Manitowoc Ice Cleaner 000005163 Manitowoc Ice Saniti...

Страница 121: ...ing Sanitizing 121 Koolaire Modular Cleaning Sanitizing Disassemble Clean and Sanitize Ice Machine and Bin Upon Installation and Minimum of Once Every Six Months Refer to Installation Use and Care Man...

Страница 122: ...Welbilt Inc Water Curtain 122 Koolaire Modular Cleaning Sanitizing Clean and Sanitize All Surfaces...

Страница 123: ...Welbilt Inc Interior 123 Koolaire Modular Cleaning Sanitizing Clean and Sanitize All Interior Surfaces...

Страница 124: ...Welbilt Inc Clean Sanitize Float Switches 124 Koolaire Modular Cleaning Sanitizing Clean All Surfaces Rinse With Clean Water Dry Thoroughly Repeat with Sanitizer...

Страница 125: ...Welbilt Inc Cleaning the Condenser 125 Koolaire Modular Cleaning Sanitizing Clean With Coil Cleaner and Water...

Страница 126: ...Welbilt Inc Exterior Cleaning 126 Koolaire Modular Cleaning Sanitizing Wash with Mild soap and Water When Necessary...

Страница 127: ...Welbilt Inc Review 127 Clean and Sanitize all Parts Cleaner or Sanitizer Water Curtain Interior Float Switches Condenser Exterior...

Страница 128: ...Welbilt Inc Welbilt Inc Clean Sequence of Operation Koolaire Modular Ice Machines 128...

Страница 129: ...tart up 1 Water Purge 2 Water Fill On Until water level float switch is satisfied 3 Clean or Sanitize 10 Minutes Rinse Sequence 4 Water Purge 45 Seconds 5 Water Fill On Until water level float switch...

Страница 130: ...Welbilt Inc Review 130 Clean Sequence of Operation Purge Water Fill Circulation 6X Rinse and Flushes...

Страница 131: ...Welbilt Inc Welbilt Inc Sequence of Operation Koolaire Modular Ice Machines 131...

Страница 132: ...ubes It should be about 1 8 3 mm thick 2 If adjustment is necessary turn the high water float clockwise to increase bridge thickness raising water level counterclockwise to decrease bridge thickness l...

Страница 133: ...Welbilt Inc Control System 133 Koolaire Modular Ice Machines Sequence of Operation Outputs Inputs...

Страница 134: ...ay Clean LED Light Yellow Test Button Harvest Float Switch Connection Ice Thickness Float Switch Connection Bin Level Switch Connection 3 15 Amp Fuse Water Fill Relay Low Level Float LED Green Hight L...

Страница 135: ...t 135 Koolaire Modular Ice Machines Sequence of Operation The toggle switch must be in the Ice Position Water curtain must be in place on the evaporator before the ice machine will start Push Toggle S...

Страница 136: ...Welbilt Inc Purge 136 Koolaire Modular Ice Machines Sequence of Operation Water Pump Dump Valve Energized Parts 45 Sec Purge 1 Start Up...

Страница 137: ...Welbilt Inc Delay 137 Koolaire Modular Ice Machines Sequence of Operation Nothing is energized Energized Parts 45 Sec Purge 5 Sec Delay 1 Start Up...

Страница 138: ...ondenser Expansion Device Compressor Hot Gas Solenoid Valve High Side Pressure Decrease Hot Gas Solenoid Valve Energized Parts 45 Sec Purge Refrigeration Start 5 Sec Delay 5 Sec Equalize 1 2 Start Up...

Страница 139: ...Start Contactor Coil Compressor and Fan Energized Parts 5 Sec Delay 5 Sec Equalize 1 2 Start Up Hot Gas Solenoid Valve Evaporator Condenser Expansion Device Compressor Hot Gas Solenoid Valve High Sid...

Страница 140: ...ve Evaporator Condenser Expansion Device Compressor Hot Gas Solenoid Valve 120 Sec first cycle 30 Sec thereafter 3 Pre Chill 45 Sec Purge 5 Sec Compressor Refrigeration Start Contactor Coil Compressor...

Страница 141: ...peration Harvest Float Switch Ice Thickness Float Switch Adding Water During the Pre Chill cycle the water inlet Solenoid Valve is energized filling the water trough Ice Thickness float switch gives i...

Страница 142: ...hereafter 3 Pre Chill 45 Sec Purge 5 Sec Compressor Refrigeration Start Contactor Coil Compressor and Fan Water Pump Water Inlet Float Switch Activation Energized Parts 5 Sec Delay 5 Sec Equalize 1 2...

Страница 143: ...Float Switch Ice Thickness Float Switch Adding Water During the freeze cycle the water pump energizes dropping the water in the sump trough and circulating the water over the evaporator Ice Thickness...

Страница 144: ...nergizes dropping the water in the sump trough and circulating the water over the evaporator Ice Thickness float switch gives input to control board for water fill Maximum Water fill time limit is 6 M...

Страница 145: ...e evaporator Ice Thickness float switch gives input to control board for water fill Maximum Water fill time limit is 6 Minutes Water level raises float switch 5 seconds and control board de energizes...

Страница 146: ...ion and Open contacts in the up position During the freeze cycle the water in the trough freezes onto the evaporator surface dropping the water level When the Harvest Float Switch drops to its lowest...

Страница 147: ...vaporator Condenser Expansion Device Compressor Hot Gas Solenoid Valve 120 Sec first cycle 30 Sec thereafter 3 Pre Chill 45 Sec Purge 5 Sec Compressor Refrigeration Start Contactor Coil Compressor and...

Страница 148: ...Sec Compressor Refrigeration Start Hot Gas Solenoid Valve Contactor Coil Compressor and Fan Energized Parts 5 Sec Delay 5 Sec Equalize 1 2 Start Up 4 Freeze Ice Thickness Float Switch 5 Purge 45 Sec 6...

Страница 149: ...5 Sec Compressor Refrigeration Start Contactor Coil Compressor and Fan Water Fill Valve Float Switch Activation Energized Parts 5 Sec Delay 5 Sec Equalize 1 2 Start Up 4 Freeze Ice Thickness Float Sw...

Страница 150: ...Sec Purge 5 Sec Compressor Refrigeration Start 5 Sec Delay 5 Sec Equalize 1 2 Start Up 4 Freeze Ice Thickness Float Switch 5 Purge 45 Sec 6 Harvest Bin Switch Open for more than 30 seconds 7 Auto Shu...

Страница 151: ...thereafter 3 Pre Chill 45 Sec Purge 5 Sec Compressor Refrigeration Start 5 Sec Delay 5 Sec Equalize 1 2 Start Up 4 Freeze Ice Thickness Float Switch 5 Purge 45 Sec 6 Harvest Bin Switch Reclose 7 Auto...

Страница 152: ...OR Self contained Air cooled The fan motor is wired through a fan cycle pressure control therefore it may cycle on and off y High Float is Satisfied for 5 continuous seconds Maximum Water fill during...

Страница 153: ...Welbilt Inc Welbilt Inc Sequence of Operation Refrigeration System Koolaire Modular Ice Machines 153...

Страница 154: ...ar Ice Machines Sequence of Operation Refrigeration System Discharge Valve Blade Spring Suction Hole Roller Shaft Cylinder Note The shell of the Rotary Compressor is part of the Discharge line as appo...

Страница 155: ...t Inc Component Identification 155 Koolaire Modular Ice Machines Overview Control Box Evaporator Refrigeration Access Valves Toggle Switch Curtain Switch Float Switches Water Trough Front View Warning...

Страница 156: ...APOR HIGH PRESSURE LIQUID LOW PRESSURE LIQUID LOW PRESSURE VAPOR Rotary Compressor Third Port Liquid Charging Damage may occur when charging liquid into the front discharge line service access port It...

Страница 157: ...hines Sequence of Operation Refrigeration System X HEAT EXCHANGER THERMOSTATIC EXPANSION VALVE HARVEST VALVE CONDENSER COMPRESSOR DRIER EVAPORATOR Receiver Water Cooled Only HIGH PRESSURE VAPOR HIGH P...

Страница 158: ...achines Sequence of Operation Refrigeration System HEAT EXCHANGER THERMOSTATIC EXPANSION VALVE HARVEST VALVE CONDENSER COMPRESSOR DRIER EVAPORATOR Receiver Water Cooled Only HIGH PRESSURE VAPOR HIGH P...

Страница 159: ...ALVE HARVEST VALVE REMOTE CONDENSER HEADPRESSURE REGULATOR COMPRESSOR HPR SYSTEM CHECK VALVE CHECK VALVE D R C RECEIVER RECEIVER SERVICE VALVE DRIER LIQUID LINE SOLENOID VALVE STRAINER EVAPORATOR HIGH...

Страница 160: ...ERMOSTATIC EXPANSION VALVE HARVEST VALVE REMOTE CONDENSER PRESSURE REGULATOR COMPRESSOR HPR SYSTEM CHECK VALVE CHECK VALVE D R C RECEIVER RECEIVER SERVICE VALVE DRIER LIQUID LINE SOLENOI D VALVE STRAI...

Страница 161: ...ion System x x X Evaporator Condenser Heat Exchanger Drier Strainer Hot Gas Solenoid Valve Receiver HPR System Discharge Line Check Valve Head Pressure Regulating Valve R D C Liquid Line Check Valve R...

Страница 162: ...Ice Machines Overview Component Identification Ice Making Sequence of Operation o Ice Thickness Adjustment o Initial Start Purge Refrigeration Start o Pre Chill o Freeze o Harvest Harvest Purge Harve...

Страница 163: ...Welbilt Inc Welbilt Inc Troubleshooting Koolaire Modular Ice Machines 163...

Страница 164: ...imit 2 Long Harvest 100 consecutive 7 minute Harvest cycles After 3 consecutive 7 minute Harvest cycles the control board records safety limit 2 in the memory Safety Limit 2 LED will flash on off and...

Страница 165: ...off and on Upon restart the SL1 SL2 light will flash 3 times 120 Sec first cycle 30 Sec thereafter 3 Pre Chill 45 Sec Purge 5 Sec Compressor Refrigeration Start 5 Sec Delay 5 Sec Equalize 1 2 Start Up...

Страница 166: ...lbilt Inc Safety Limit 166 Troubleshooting Description Board LED Control Board SL 1 Long Freeze After 3 Consecutive 60 minute Freeze cycles After 6 Consecutive 60 Minute Freeze Cycles Control Board LE...

Страница 167: ...t Inc Description Board LED Control Board SL 2 Long Harvest After 3 Consecutive 3 5 Minute Harvest Cycles After 100 Consecutive 3 5 minute Harvest Cycles Safety Limit 167 Troubleshooting Control Board...

Страница 168: ...Welbilt Inc Safety Limit 168 Troubleshooting Description Board LED Control Board SL 3 Water After 4 minutes energizing the water inlet valve with the Harvest Float Switch down Control Board LED s...

Страница 169: ...arvest After 3 Consecutive 3 5 Minute Harvest Cycles After 100 Consecutive 3 5 minute Harvest Cycles SL 3 Water After 4 minutes energizing the water inlet valve with the Harvest Float Switch down To c...

Страница 170: ...Welbilt Inc Welbilt Inc Troubleshooting Control Board Test Mode Koolaire Modular Ice Machine 170...

Страница 171: ...Welbilt Inc 171 Troubleshooting CONTROL BOARD TEST MODE Koolaire Modular...

Страница 172: ...Energizes all control board lights Energizes control board relays in one second interval Harvest Valve Solenoid Water Pump Dump Valve Water Inlet Valve Compressor Contactor Control Board Test Mode Pre...

Страница 173: ...t mode the machine will start a new ice making sequence if the toggle switch is in the ice making position To Cancel a Test Cycle Press the test button a Second Time Control Board Test Mode Press and...

Страница 174: ...Welbilt Inc 174 Troubleshooting DIAGNOSING AN ICE MACHINE THAT WILL NOT RUN Koolaire Modular...

Страница 175: ...Inc Diagnosing an Ice Machine that will not run 175 Troubleshooting 1 Verify primary voltage is supplied to ice machine and the fuse circuit breaker is closed Wire 55 L1 and 56 L2 120 1 OFF COM VAC 0...

Страница 176: ...Machine that will not run 176 Troubleshooting 1 Verify primary voltage is supplied to ice machine and the fuse circuit breaker is closed 2 Verify control board fuse is okay NOTE If any control board...

Страница 177: ...tage is supplied to ice machine and the fuse circuit breaker is closed 2 Verify control board fuse is okay NOTE If any control board lights are on the fuse is okay 3 Verify the bin switch functions pr...

Страница 178: ...y primary voltage is supplied to ice machine and the fuse circuit breaker is closed 2 Verify control board fuse is okay NOTE If any control board lights are on the fuse is okay 3 Verify the bin switch...

Страница 179: ...reaker is closed 2 Verify control board fuse is okay NOTE If any control board lights are on the fuse is okay 3 Verify the bin switch functions properly A defective bin switch can falsely indicate a f...

Страница 180: ...ights are on the fuse is okay 3 Verify the bin switch functions properly A defective bin switch can falsely indicate a full bin of ice 4 Verify Toggle Switch functions properly A defective Toggle Swit...

Страница 181: ...Welbilt Inc 181 Troubleshooting DIAGNOSING AN ICE MACHINE THAT WILL NOT CYCLE INTO HARVEST Koolaire Modular...

Страница 182: ...minals connected to the control board Step 2 Bypass the freeze time lock in feature by cycling the toggle switch off and then back on Wait until water flows over the evaporator then refer to chart Res...

Страница 183: ...Welbilt Inc Float Switch Diagnostics 183 Troubleshooting Float Down Closed Switch Float Up Open Switch NOTE Both Float Switch s operate and Ohm out the same...

Страница 184: ...Welbilt Inc 184 Troubleshooting DIAGNOSING AN ICE MACHINE THAT CYCLES INTO PREMATURE HARVEST Koolaire Modular...

Страница 185: ...s over the evaporator then refer to chart Result Correction The harvest light does not come on The Harvest float switch or wire is causing the malfunction Refer to Float Switch Diagnostics The harvest...

Страница 186: ...Welbilt Inc Float Switch Diagnostics 186 Troubleshooting Float Down Closed Switch Float Up Open Switch NOTE Both Float Switch s operate and Ohm out the same...

Страница 187: ...Welbilt Inc 187 Troubleshooting TROUBLESHOOTING REFRIGERATION SYSTEM Koolaire Modular...

Страница 188: ...ore proceeding ________ _______ _______ 1 minute Middle End Suction pressure is High Suction pressure is Low or Normal Suction pressure is High Suction pressure is High Wait 5 minutes into the freeze...

Страница 189: ...ne ___ Water temp entering sump trough ____ 2 Find Published 24 hr ice production ____ 3 Perform ice production check using the formula 4 Compare results of step 3 with step 2 Ice production is normal...

Страница 190: ...he ice machine been installed where ambient temperatures will remain in the range of 40 110 F 4 43 C Has the ice machine been installed where the incoming water temperature will remain in the range of...

Страница 191: ...Welbilt Inc Refrigeration Troubleshooting 191 Troubleshooting Ice Formation Normal Thin at Inlet Very Thin or No Ice at Outlet No Ice...

Страница 192: ...s table before proceeding ________ _______ _______ 1 minute Middle End Suction pressure is High Suction pressure is Low or Normal Suction pressure is High Suction pressure is High Wait 5 minutes into...

Страница 193: ...mponents not listed on this table before proceeding ________ _______ _______ 1 minute Middle End Suction pressure is High Suction pressure is Low or Normal Suction pressure is High Suction pressure is...

Страница 194: ...is High Suction pressure is High Wait 5 minutes into the freeze cycle Compare temperatures of evaporator inlet evaporator outlet Inlet______ F C Outlet ______ F C Difference______ F C Inlet and outlet...

Страница 195: ...Middle End Suction pressure is High Suction pressure is Low or Normal Suction pressure is High Suction pressure is High Wait 5 minutes into the freeze cycle Compare temperatures of evaporator inlet ev...

Страница 196: ..._______ 1 minute Middle End Suction pressure is High Suction pressure is Low or Normal Suction pressure is High Suction pressure is High Wait 5 minutes into the freeze cycle Compare temperatures of e...

Страница 197: ...before proceeding ________ _______ _______ 1 minute Middle End Suction pressure is High Suction pressure is Low or Normal Suction pressure is High Suction pressure is High Wait 5 minutes into the fre...

Страница 198: ...Welbilt Inc Review 198 Troubleshooting Safety Limits Control Board Test Mode Will not Run Not Cycling into Harvest Prematurely Harvesting Float Switch Diagnostics Refrigeration System...

Страница 199: ...Inc Welbilt Inc Manitowoc Ice Training videos 199 Service Training Update Indigo NXT Firmware Upgrade Manitowoc Ice Technical Training Videos Indigo NXT PM Cleaning RN RF Cleaning Indigo NXT Detailed...

Страница 200: ...Welbilt Inc CLEVELAND CONVOTHERM DELFIELD FITKITCHENSM FRYMASTER GARLAND KOLPAK LINCOLN MANITOWOC MERCO MERRYCHEF MULTIPLEX SUPPORTED BY KITCHENCARE Thank You For Attending...

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