Manitowoc QD0282A Use And Care Manual Download

Page: 7 / 56

Part No. 80-1375-3

Table of Contents

Section 3

Ice Machine Operation

Component Identification

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1

Ice Machine Sequence of Operation

Q200/Q280/Q320/Q370/Q420/Q450/Q600/Q800/Q1000/Q1300/Q1600/Q1800

3-2

Initial Start-Up or Start-Up After Automatic Shut-Off . . . . . . . . . . . . . . . . . . .

3-2

Freeze Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2

Harvest Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3

Automatic Shut-Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3

Remote

Q450/Q600/Q800/Q1000/Q1300/Q1600/Q1800

. . . . . . . . . . . . . . . . . . . . . . . . . .

3-4

Initial Start-Up or Start-Up After Automatic Shut-Off . . . . . . . . . . . . . . . . . . .

3-4

Freeze Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-4

Harvest Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-5

Automatic Shut-Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-5

Operational Checks

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-6

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-6

Water Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-6

Ice Thickness Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-6

Harvest Sequence Water Purge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-7

Section 4

Maintenance

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1

Ice Machine Inspection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1

Exterior Cleaning

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1

Cleaning the Condenser

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2

Water-Cooled Condenser

and Water Regulating Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3

Manitowoc’s Patented Cleaning or Sanitizing Technology . . . . . . . . . . . . . .

4-3

AlphaSan“ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3

Interior Cleaning and Sanitizing

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-4

Cleaning Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-4

Sanitizing Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-5

Procedure To Cancel A Cleaning Or

Sanitizing Cycle After It Has Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-5

Automatic Cleaning System (AuCS“) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-6

Removal of Parts For Cleaning/Sanitizing . . . . . . . . . . . . . . . . . . . . . . . . . .

4-7

Removal from Service/Winterization

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-12

Self-Contained Air-Cooled Ice Machines . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-12

Water-Cooled Ice Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-12

Remote Ice Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-12

AuCS“ Accessory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-12

Section 5

Before Calling for Service

Checklist

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1

Safety Limit Feature

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-2

Revised 6/2003

Summary of Contents for QD0282A

Page 1: ...ing equipment and related products With proper installation care and maintenance your new Manitowoc Ice Machine will provide you with many years of reliable and economical performance Q Model Ice Machines Installation and Owner Operator Use and Care Manual Part Number 80 1640 3 3 2005 ...

Page 2: ...bused neglected damaged or altered modified from that of original manufactured specifications 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 ice machine Be sure to read the Caution statement before procee...

Page 3: ......

Page 4: ...MANITOWOC ICE INC 2110 South 26th Street P O Box 1720 Manitowoc WI 54221 1720 Phone 920 682 0161 Service Fax 920 683 7585 Web Site www manitowocice com 2005 Manitowoc Ice Inc Litho in U S A ...

Page 5: ...1 4 General 1 4 Parts 1 4 Labor 1 4 Exclusions 1 4 Authorized Warranty Service 1 4 Section 2 Installation Instructions General 2 1 Ice Machine Dimensions 2 1 Q320 Q370 Q420 Ice Machines 2 1 Q280 Q1000 Ice Machines 2 2 Q1300 Q1600 Q1800 Ice Machines 2 2 Q1300 Q1600 Q1800 Ice Machines Cont 2 3 Ice Storage Bin Dimensions 2 3 S170 S400 S570 Ice Storage Bins 2 3 S320 S420 Ice Storage Bins 2 3 S970 Ice ...

Page 6: ...ater Inlet Lines 2 11 Drain Connections 2 11 Cooling Tower Applications Water Cooled Models 2 11 Water Supply and Drain Line Sizing Connections 2 12 Remote Condenser Line Set Installation 2 13 Remote Ice Machines Refrigerant Charge 2 13 General 2 14 Guidelines for Routing Line Sets 2 14 Calculating Remote Condenser Installation Distances 2 15 Lengthening or Reducing Line Set Lengths 2 16 Connectin...

Page 7: ...Harvest Sequence Water Purge 3 7 Section 4 Maintenance General 4 1 Ice Machine Inspection 4 1 Exterior Cleaning 4 1 Cleaning the Condenser 4 2 General 4 2 Water Cooled Condenser and Water Regulating Valve 4 3 Manitowoc s Patented Cleaning or Sanitizing Technology 4 3 AlphaSan 4 3 Interior Cleaning and Sanitizing 4 4 Cleaning Procedure 4 4 Sanitizing Procedure 4 5 Procedure To Cancel A Cleaning Or ...

Page 8: ...Part No 80 1375 3 4 Table of Contents Revised 6 2003 ...

Page 9: ...002A QY1004A QD1003W QY1005W QD1092N QY1094N QD1302A QY1304A QD1303W QY1305W QD1392N QY1394N QD1603W QY1605W QD1692N QY1694N QD1802A QY1804A QD1803W QY1805W QD1892N QY1894N Warning PERSONAL INJURY POTENTIAL Do not operate equipment that has been misused abused neglected damaged or altered modified from that of original manufactured specifications Dice 7 8 x 7 8 x 7 8 2 22 x 2 22 x 2 22 cm Half Dic...

Page 10: ...ment cleaning expense The AuCS accessory monitors ice making cycles and initiates cleaning procedures automatically DISPENSER A counter top dispenser is ideal for cafeterias and many types of self service facilities Manitowoc auto fill floor standing ice dispensers meet the strict sanitary requirements of the food service lodging and health care industries MANITOWOC CLEANER AND SANITIZER Manitowoc...

Page 11: ...en requesting information from your local Manitowoc distributor or Manitowoc Ice Inc The model and serial number are listed on the OWNER WARRANTY REGISTRATION CARD They are also listed on the MODEL SERIAL NUMBER DECAL affixed to the ice machine remote condenser and storage bin Model Serial Number Location Ice Machine Bin or Dispenser Remote Condenser AuCS Accessory Model Number Serial Number SV160...

Page 12: ... ice machine s warranty coverage 1 Normal maintenance adjustments and cleaning 2 Repairs due to unauthorized modifications to the ice machine or use of non standard parts without prior written approval from Manitowoc Ice Inc 3 Damage caused by improper installation of the ice machine electrical supply water supply or drainage or damage caused by floods storms or other acts of God 4 Premium labor r...

Page 13: ...Section 1 General Information Part No 80 1375 3 1 5 THIS PAGE INTENTIONALLY LEFT BLANK Revised 6 2003 ...

Page 14: ...General Information Section 1 1 6 Part No 80 1375 3 Revised 6 2003 ...

Page 15: ...or complete installation guidelines Ice Machine Dimensions Q320 Q370 Q420 ICE MACHINES Important Failure to follow these installation guidelines may affect warranty coverage SV1602 SV1611 WATER COOLED AIR COOLED Ice Machine Dimension H Q320 21 5 in 54 6 cm Q370 21 5 in 54 6 cm Q420 26 5 in 67 3 cm ...

Page 16: ...SV1612 SV1628 WATER COOLED SELF CONTAINED AIR COOLED Ice Machine Dimension H Q200 Q280 16 5 in 41 9 cm Q450 21 5 in 54 6 cm Q600 21 5 in 54 6 cm Q800 26 5 in 67 3 cm Q1000 29 5 in 74 9 cm SV1613 AIR COOLED Ice Machine Dimension H Q1300 Q1600 29 5 in 74 9 cm Q1800 29 5 in 74 9 cm SV1627 SELF CONTAINED WATER COOLED ...

Page 17: ...ICE STORAGE BINS S320 S420 ICE STORAGE BINS SV1629 REMOTE AIR COOLED Bin Model Dimension A Dimension B S170 29 5 in 74 9 cm 19 1 in 48 5 cm S400 34 0 in 86 3 cm 32 0 in 81 3 cm S570 34 0 in 86 3 cm 44 0 in 111 7 cm Bin Model Dimension A Dimension B S320 34 0 in 86 3 cm 32 0 in 81 3 cm S420 34 0 in 86 3 cm 44 0 in 111 7 cm SV1609 SV1614 ...

Page 18: ...tem bin dispenser etc to incorporate an ice deflector The Q1300 Q1600 and Q1800 series ice machines require adding Manitowoc Ice Deflector Kit K00139 when installing with non Manitowoc ice storage systems Prior to using a non Manitowoc ice storage system with other Manitowoc ice machines contact the manufacturer to assure their ice deflector is compatible with Manitowoc ice machines SV1610 SV1297 ...

Page 19: ...cooling tower for a water cooled condenser Use the peak figure for sizing the cooling tower Q1300 Q1600 Q1800 Self Contained Air Cooled Water Cooled and Remote Top Sides 24 610 mm 8 203 mm Back 12 305 mm 5 127 mm Q370 Self Contained Air Cooled Water Cooled Top Sides 12 305 mm 5 127 mm Back 5 127 mm 5 127 mm All other Q models Self Contained Air Cooled Water Cooled and Remote Top Sides 8 203 mm 8 2...

Page 20: ...TE An optional caster assembly is available for use in place of the legs Installation instructions are supplied with the casters Leveling Leg and Foot Air Cooled Baffle The air cooled baffle prevents condenser air from recirculating To install 1 Remove the back panel screws next to the condenser 2 Align the mounting holes in the air baffle with the screw holes and reinstall the screws Air Baffle C...

Page 21: ...ust be H A C R rated does not apply in Canada MINIMUM CIRCUIT AMPACITY The minimum circuit ampacity is used to help select the wire size of the electrical supply Minimum circuit ampacity is not the ice machine s running amp load The wire size or gauge is also dependent upon location materials used length of run etc so it must be determined by a qualified electrician Warning All wiring must conform...

Page 22: ...0 20 12 6 20 11 7 N A N A 208 230 1 60 15 5 7 15 5 2 N A N A 230 1 50 15 5 7 15 5 2 N A N A Q450 115 1 60 20 12 8 20 11 9 20 13 6 208 230 1 60 15 7 8 15 7 4 N A N A 230 1 50 15 6 1 15 5 7 N A N A Q600 208 230 1 60 15 9 2 15 8 7 15 9 3 230 1 50 15 9 2 15 8 8 15 9 4 Q800 208 230 1 60 20 12 1 20 11 4 20 11 9 208 230 3 60 15 8 9 15 8 2 15 8 9 230 1 50 20 12 0 20 10 6 20 11 2 Q1000 208 230 1 60 20 14 3...

Page 23: ...D ICE MACHINE CONNECTIONS SV1258 L1 L1 GROUND GROUND ICE MACHINE CONNECTIONS TO SEPARATE FUSE BREAKER L2 L3 L2 L3 SV1190 L1 L1 N N GROUND GROUND ICE MACHINE CONNECTIONS TO SEPARATE FUSE BREAKER DISCONNECT ALL POLES SV1191 For United Kingdom Only As the colours of the wires in the mains lead of the appliance may not correspond with the coloured markings identifying the terminals in your plug procee...

Page 24: ...form to local state and national electrical codes Though wire nuts are shown in the drawings the ice machine field wiring connections may use either wire nuts or screw terminals L1 NOTE CONDENSER FAN MOTOR VOLTAGE MATCHES ICE MACHINE VOLTAGE 115V OR 208 230V GROUND SINGLE CIRCUIT REMOTE CONDENSER ICE MACHINE SV1255 L2 L1 L2 GROUND TO SEPARATE FUSE BREAKER GROUND L1 L2 F2 F1 N 115V OR L2 208 230V G...

Page 25: ...st not create traps The floor drain must be large enough to accommodate drainage from all drains Run separate bin and ice machine drain lines Insulate them to prevent condensation Vent the bin and ice machine drain to the atmosphere Do not vent the condenser drain on water cooled models Cooling Tower Applications Water Cooled Models A water cooling tower installation does not require modification ...

Page 26: ... C Min 90 F 32 2 C Max 20 psi 137 9 kPA Min 80 psi 551 5 kPA Max 3 8 Female Pipe Thread 3 8 9 5 mm minimum inside diameter Ice Making Water Drain 1 2 Female Pipe Thread 1 2 12 7 mm minimum inside diameter Condenser Water Inlet 33 F 0 6 C Min 90 F 32 2 C Max 20 psi 137 9 kPA Min 150 psi 1034 2 kPA Max Q1300 Q1600 Q1800 1 2 Female Pipe Thread All Others 3 8 Female Pipe Thread Condenser Water Drain 1...

Page 27: ...C1895 Line Set Discharge Line Liquid Line RT 1 2 12 7 mm 5 16 7 9 mm RL 1 2 12 7 mm 3 8 9 5 mm Air Temperature Around the Condenser Minimum Maximum 20 F 28 9 C 120 F 49 C IMPORTANT EPA CERTIFIED TECHNICIANS If remote line set length is between 50 and 100 15 25 30 5 m add 1 5 lb 24 oz 0 68 kg of refrigerant to the nameplate charge Tubing length _______________________________ Refrigerant added to n...

Page 28: ...lity 1 Optional Make the service loop in the line sets See below This permits easy access to the ice machine for cleaning and service Do not use hard rigid copper at this location 2 Required Do not form traps in the refrigeration lines except the service loop Refrigerant oil must be free to drain toward the ice machine or the condenser Route excess tubing in a supported downward horizontal spiral ...

Page 29: ...ated rise of 17 feet 2 Insert the measured drop into the formula below Multiply by 6 6 to get the calculated drop Example A condenser located 10 feet below the ice machine has a calculated drop of 66 feet 3 Insert the measured horizontal distance into the formula below No calculation is necessary 4 Add together the calculated rise calculated drop and horizontal distance to get the total calculated...

Page 30: ... the line set condenser and ice machine 2 Apply refrigeration oil to the threads on the quick disconnect couplers before connecting them to the condenser 3 Carefully thread the female fitting to the condenser or ice machine by hand 4 Tighten the couplings with a wrench until they bottom out 5 Turn an additional 1 4 turn to ensure proper brass to brass seating Torque to the following specifications...

Page 31: ...circuit be used to control the condenser fan s on the multi circuit condenser to assure it is on at the proper time Do not exceed the rated amps for the fan motor circuit listed on the ice machine s serial tag INTERNAL CONDENSER VOLUME The multi circuit condenser internal volume must not be less than or exceed that used by Manitowoc see chart on next page Do not exceed internal volume and try to a...

Page 32: ...R 404A 8 lbs 12 400 19 500 0 045 0 060 2 500 psig burst pressure mounting flange P N 83 6006 3 mounting flange P N 83 6005 3 no substitutes Q1000 R 404A 9 5 lbs 16 000 24 700 0 065 0 085 Q1300 R 404A 14 lbs 1 24 000 35 500 0 085 0 105 Q1600 R 404A 17 lbs 1 36 000 50 000 0 130 0 170 Q1800 R 404A 17 lbs Amount reflects additional R 404A refrigerant added to nameplate charge for 50 to 100 line sets t...

Page 33: ...s taped to the top of the water pump Are the ice machine and bin drains vented Are all electrical leads free from contact with refrigeration lines and moving equipment Has the owner operator been instructed regarding maintenance and the use of Manitowoc Cleaner and Sanitizer Has the owner operator completed the warranty registration card Has the ice machine and bin been sanitized Is the toggle swi...

Page 34: ... operator Adjustments and maintenance procedures outlined in this manual are not covered by the warranty AuCS Automatic Cleaning System This optional accessory monitors ice making cycles and initiates cleaning procedures automatically The AuCS accessory can be set to automatically clean or sanitize the ice machine every 2 4 or 12 weeks Refer to the AuCS Installation and Owner Operator Use and Care...

Page 35: ...MODEL CONDENSER WATER REGULATING VALVE WATER CONDENSER ICE THICKNESS PROBE EVAPORATOR HIGH PRESSURE CUTOUT MANUAL RESET When applicable WATER CURTAIN WATER TROUGH ICE OFF CLEAN SWITCH WATER PUMP BIN SWITCH DISTRIBUTION TUBE SV1604G SV1605 HOT GAS VALVE AIR CONDENSER REMOTE COUPLINGS COMPRESSOR DRAIN HOSE WATER DUMP VALVE Revised 6 2003 ...

Page 36: ... seconds during initial compressor start up and then shuts off At the same time the compressor starts the condenser fan motor air cooled models is supplied with power throughout the entire Freeze and Harvest Sequences The fan motor is wired through a fan cycle pressure control therefore it may cycle on and off The compressor and condenser fan motor are wired through the contactor As a result anyti...

Page 37: ...mains open and the refrigerant gas warms the evaporator causing the cubes to slide as a sheet off the evaporator and into the storage bin The sliding sheet of cubes swings the water curtain out opening the bin switch The momentary opening and re closing of the bin switch terminates the harvest sequence and returns the ice machine to the freeze sequence Step 3 4 Harvest Sequence Typical Q450 Shown ...

Page 38: ...inute time period has expired The hot gas valve and HPR solenoid valves remain on for 5 seconds during initial compressor start up and then shut off The remote condenser fan motor starts at the same time the compressor starts and remains on throughout the entire Freeze and Harvest Sequences The compressor and condenser fan motor are wired through the contactor therefore anytime the contactor coil ...

Page 39: ... open and the refrigerant gas warms the evaporator causing the cubes to slide as a sheet off the evaporator and into the storage bin The sliding sheet of cubes swings the water curtain out opening the bin switch The momentary opening and re closing of the bin switch terminates the harvest sequence and returns the ice machine to the freeze sequence Step 3 4 Harvest Sequence Typical Q450 Shown AUTOM...

Page 40: ...the water level probe for damage probe bent etc Repair or replace the probe as necessary Water Level Probe ICE THICKNESS CHECK The ice thickness probe is factory set to maintain the ice bridge thickness at 1 8 3 2 mm NOTE Make sure the water curtain is in place when performing this check It prevents water from splashing out of the water trough 1 Inspect the bridge connecting the cubes It should be...

Page 41: ...de energizes by time The water purge must be at the factory setting of 45 seconds for the water fill valve to energize during the last 15 seconds of the water purge If it is set to less than 45 seconds the water fill valve will not energize during the water purge Water Purge Adjustment Important The harvest sequence water purge is factory set at 45 seconds A shorter purge setting with standard wat...

Page 42: ...Ice Machine Operation Section 3 3 8 Part No 80 1375 3 THIS PAGE INTENTIONALLY LEFT BLANK Revised 6 2003 ...

Page 43: ...dequate airflow through and around the ice machine to maximize ice production and ensure long component life Exterior Cleaning Clean the area around the ice machine as often as necessary to maintain cleanliness and efficient operation Sponge any dust and dirt off the outside of the ice machine with mild soap and water Wipe dry with a clean soft cloth Heavy stains should be removed with stainless s...

Page 44: ...e Be careful not to bend the fan blades B Use a commercial condenser coil cleaner Follow the directions and cautions supplied with the cleaner 3 Straighten any bent condenser fins with a fin comb Straighten Bent Condenser Fins 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 thoro...

Page 45: ... sanitize cycle after which the ice machine automatically starts ice making again Refer to the cleaning or sanitizing procedure for complete details The AuCS Accessory can be set to automatically start and finish a clean or sanitize cycle every 2 4 or 12 weeks This accessory monitors ice making cycles and initiates a cleaning or sanitizing cycle automatically Refer to Automatic Cleaning System AuC...

Page 46: ...he Clean light will turn off to indicate the Cleaning mode is completed This entire cycle lasts approximately 25 minutes Step 6 When the cleaning process stops move the toggle switch to OFF position Refer to Sanitizing Procedure on the next page Step 7 A The ice machine may be set to start and finish a cleaning procedure then automatically start ice making again B You must wait about one minute in...

Page 47: ...l probe H Bin or dispenser Step 5 Rinse all sanitized areas with clear water Step 6 Install the removed parts restore power and place toggle switch in the clean position The water will flow through the water dump valve and down the drain The Clean light will turn on to indicate the ice machine is in the Cleaning mode Step 7 Wait about two minutes or until water starts to flow over the evaporator S...

Page 48: ...e and down the drain The Clean light will turn on to indicate the ice machine is in the Self Cleaning mode The AuCS then automatically adds cleaner or sanitizer to the ice machine Step 3 The ice machine will automatically time out a ten minute cleaning or sanitizing cycle followed by six rinse cycles de energize the Clean light and stop This entire cycle lasts approximately 25 minutes Step 4 After...

Page 49: ...ghly rinse all of the parts and surfaces with clean water 7 Install the removed parts NOTE Incomplete rinsing of the ice thickness probe or water level probe may leave a residue This could cause the ice machine to malfunction For best results brush or wipe the probes off while rinsing it Thoroughly dry the probes before installing them 8 Turn on the water and electrical supply Warning Disconnect e...

Page 50: ...ve body and the enclosing tube 4 Press down on the plastic nut on the enclosing tube and rotate it 1 4 turn Remove the enclosing tube plunger and plastic gasket from the valve body NOTE At this point the water dump valve can easily be cleaned If complete removal is desired continue with step 5 Dump Valve Removal NOTE During cleaning do not stretch damage or remove the spring from the plunger If it...

Page 51: ...s of water in a container 2 Soak ice thickness probe in container of cleaner water solution while disassembling and cleaning water circuit components soak ice thickness probe for 10 minutes or longer 3 Clean all ice thickness probe surfaces including all plastic parts do not use abrasives Verify the ice thickness probe cavity is clean Thoroughly rinse ice thickness probe including cavity with clea...

Page 52: ...ne If the water flow is slow or only trickles into the ice machine remove disassemble and clean the valve Follow the procedure below to remove the water inlet valve 1 Remove the valve shield if necessary 2 Remove the filter access screws that hold the valve in place NOTE The water inlet valve can be disassembled and cleaned without disconnecting the incoming water supply line to the ice machine 3 ...

Page 53: ... Twist both of the inner tube ends until the tabs line up with the keyways B Pull the inner tube ends outward Water Distribution Tube Disassembly Water Curtain 1 Gently flex the curtain in the center and remove it from the right side Water Curtain Removal 2 Slide the left pin out Caution Do not force this removal Be sure the locating pin is clear of the hole before sliding the distribution tube ou...

Page 54: ...the water lines drain lines distribution tubes etc WATER COOLED ICE MACHINES 1 Perform steps 1 6 under Self Contained Air Cooled Ice Machines 2 Disconnect the incoming water and drain lines from the water cooled condenser 3 Insert a large screwdriver between the bottom spring coils of the water regulating valve Pry upward to open the valve Pry Open the Water Regulating Valve 4 Hold the valve open ...

Page 55: ...e Section 4 Ice machine is not level Level the ice machine See Section 2 Low air temperature around ice machine head section Air temperature must be at least 35 F 1 6 C Fan cycling control does not de energize condenser fan motor Verify pressure is below cut out setpoint replace fan cycling control Ice machine does not cycle into harvest mode The six minute freeze time lock in has not expired yet ...

Page 56: ...complete cubes or the ice fill pattern on the evaporator is incomplete Ice thickness probe is out of adjustment Adjust the ice thickness probe See Section 4 Water trough level is too high or too low Check the water level probe for damage See Section 3 Water inlet valve filter screen is dirty Remove the water inlet valve and clean the filter screen See Section 4 Water filtration is poor Replace is ...

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