Hoshizaki C-100BAF-ADDS Ice Maker User Manual
Contents
1. Upper Rear Panel Hinge Stop Pin Fig 10 Fig 11 39 12 Allow the icemaker to sit for 10 minutes before operation If you placed a clamp on the reservoir hose in step 11 remove it before operation and replace the spout in its correct position 13 Plug the unit back in Move the power switch to the ON position 14 Allow the unit to make ice using the solution When ice stops coming out move the power switch to the OFF position Unplug the unit from the electrical outlet 15 Remove the drain plug to drain any remaining solution 16 After all of the solution has drained replace the drain plug in its correct position 17 Remove the reservoir cover Using a clean container pour water into the reservoir until it starts to flow through the overflow hose Replace the reservoir cover in its correct position 18 Remove the drain plug to drain the water Note If you do not sanitize the icemaker go to step 11 in Sanitizing Procedure Final 19 After all of the water has drained replace the drain plug in its correct position 3 Sanitizing Solution IMPORTANT For safety and maximum effectiveness use the solution immediately after dilution Dilute 1 25 fl oz 37 ml or 2 5 tbs of a 5 25 sodium hypochlorite solution chlorine bleach with 2 5 gallons 9 5 of warm water This is a minimum amount Make more solution if necessary Using a chlorine test st2. 115 60 1 overload ag 2 4 3 0A 6 amp 7 8 GY Cy w GEAR MOTOR BK GR OVERLOAD GEAR GND l internal J MOTOR GY R 2 BK BLACK L Y DBU BR BROWN Bnr ERNU 3 BK BK GR _ GREEN 5 COMP S GY GRAY 7 OVERLOAD CAP LBU LIGHT BLUE external 10 MFD O ORANGE W P PINK FAN BK R RED MOTOR vV VIOLET W NEE w w W w w Y YELLOW 4 C 100BAF Series 15 e Optional Drain Pump HS 0248 Safety Shutdown If the water level in the drain pump reservoir rises high enough to close the drain pump upper float switch the drain pump safety interrupts power to the icemaker When the water level lowers enough to open the drain pump upper float switch power is restored to the icemaker The pump motor remains energized as long as the drain pump lower float switch is closed SUCTION POWER TEMP B BR SAFETY gp CONTROL se BK GEAR external MOTOR overload l PROT 2 4 3 0A l 3W BR 1 E 7 oT ETNEA a R os GR I yaw OPTIONAL DRAIN PUMP e L e HS 0268 I 7 9 n NO REPLACEABLE PARTS mon E IS A wo a l CD Ks l l gy I v l z l I l l T9 Ee dA mo DZ ES oO m Aan mo r gt D Z POWER SUPPLY BWDC VAC WW Z NL ogo GEAR MOTOR B
3. S Discharge Hose ae a Lower Rear Panel 24 7 Make sure all hose connections are secure then reinstall the lower rear panel and upper rear panel in their correct positions WARNING Make sure that there are no wires pinched between the rear covers and icemaker 8 Resecure the vent hose to the icemaker CAUTION The vent hose must be attached and secured to the icemaker or water damage may occur Make certain there are no kinks in the vent hose The drain pump will not operate correctly with a partially blocked vent hose 9 Plug the icemaker into the electrical outlet 10 Test the drain pump by slowly pouring water into the icemaker s ice storage bin Approximately 1 pint 500 ml of water is required to close the lower float switch and activate the drain pump The drain pump will turn on automatically and pump out the water 11 To test the operation of the drain pump internal safety switch move the power switch to the ON position Pour another quart 950 ml of water into the icemaker s ice storage bin then completely restrict the discharge hose while the drain pump is operating Pour more water into the icemaker s ice storage bin until the upper float switch closes and the icemaker turns off The drain pump will continue to operate Check for leaks Remove the discharge hose restriction and allow the water to be pumped out normally Power to the icemaker will be restored when the water in the d
4. 2 While maintaining a hold on the door remove the hinge stop pin from hinge B Pull out the bottom of the door slightly then gently remove the door from hinge A See Fig 7 3 Remove the top panel 4 Remove the thermostat holder from the storage bin then remove the bin control thermostat bulb from the holder 5 Disconnect the thermostat wires Disconnect the thermostat heater wires Remove the bin control thermostat assembly from the unit 6 Install the new bin control thermostat assembly in the reverse order of the removal procedure 7 Replace the removed parts in the reverse order of which they were removed 8 Plug the unit back in Move the power switch to the ON position 37 VI Cleaning and Maintenance This icemaker must be cleaned and maintained in accordance with the instruction manual and labels provided with the icemaker Consult with your local distributor about cleaning and maintenance service To obtain the name and phone number of your local distributor visit www hoshizaki com or call Hoshizaki Technical Support at 1 800 233 1940 in the USA A WARNING 1 Only qualified service technicians should attempt to service this icemaker 2 CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place after any cleaning or maintenance is done to the unit Make sure that none have fallen into the storage bin 3 The storage bin is for ice use only Do not store anything else in the st
5. FM fan motor GM gear motor Ill Technical Information A Water Circuit and Refrigeration Circuit 1 C 100BAF Series Float Operated Waiter Inlet 27 Water Valve Water Water Level Reservoir Vv Io ee Evaporator Assembly _ _ gt Water Supply Overflow Hose _ E S Drier Capillary Tube Condenser Condenser Fan Motor Suction Temperature Discharge L Safety Suction L P P P ees t K 1 Compressor Fig 3 10 B Wiring Diagram 1 C 100BAF Series SUCTION sx POWER TEMP BK o BR SWITCH BR SAFETY BR CONTROL BR ga T BK HS 0248 OPTIONAL DRAIN E PUMP CONNECTION GEAR MOTOR JUMPER 24 BR F e PROT S rye eg Re 3 external va R oo overload NE GR W BK 5 2 4 3 0A L BIN CONTROL 7 Pa HEATER GND 3W PTC GY N w RELAY G
6. 3 While maintaining a hold on the door remove the hinge stop pin from hinge B Pull out the bottom of the door slightly then gently remove the door from hinge A See Fig 7 4 Remove the top panel 5 Remove the spout 6 Remove the cutter Top Panel Spout gt lt Cutter Fig 7 Hinge B 7 Grasp the top of the auger and move the auger towards you and then try to insert a 02 round stock or pin gauge in between the back side of the auger shaft and the bearing surface See Fig 8 Check several locations around the auger shaft If the gauge goes between the shaft and the bearing at any point or if the bearing is scratched or cracked both the top bearing in the extruding head and the lower bearing in the housing should be replaced Instructions for removing the extruding head and housing are located later in this Fig 8 procedure Note Replacing the bearing requires a bearing press adaptor If one is not available replace the entire extruding head and housing 02 Round Stock or Pin Gauge Extruding Head 8 Replace the removed parts in the reverse order of which they were removed 9 Plug the unit back in Move the power switch to the ON position 31 2 Removal and Replacement of Extruding Head 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Close the water supply line shut off valve 3 Remove all
7. BC bin control thermostat Comp compressor CR compressor relay FM fan motor GM gear motor STS suction temperature safety C Diagnostic Charts 1 No Ice Production Possible Cause 1 The icemaker will not a Power Supply 1 Off blown fuse or 1 Turn on replace or reset tripped breaker 2 Power cord 2 Plug into outlet unplugged replace specifications correct b Power Switch 1 Move to ON position Control Box 2 Bad contacts 2 Check for continuity and replace c Suction Temperature 1 Open due to water 1 Check water supply Safety supply cut off water filters water inlet Low Water Freeze Up strainer washer float and Safety water valve 2 Open due to 2 Check gear motor evaporator freeze up operation gear motor not operating 3 Bad contacts 3 Check for continuity and replace d Bin Control Thermostat 1 Open with bin filled 1 Remove ice Assembly with with ice integrated heater 2 Ambient temperature 2 Increase ambient too cool temperature 3 Bulb out of position 3 Place in position 4 Bad contacts 4 Check for continuity and replace See V F Removal and Replacement of Bin Control Thermostat Assembly 5 Bad thermostat Check and replace heater See V F Removal and Replacement of Bin Control Thermostat Assembly e Gear Motor Protector 1 Tripped Press switch on control External Overload box to reset Check 2 4 3 0A supply voltag
8. Evacuate the system then charge it with refrigerant See the nameplate for the required refrigerant charge 16 Connect the terminals and replace the terminal cover in its correct position 17 Replace the control box louver and panels in their correct positions 18 Plug the unit back in Move the power switch to the ON position 29 C Removal and Replacement of Evaporator Assembly Components Thumbscrew p Spout Cutter motionless T Packing Se Evaporator Flange Ol 9 Allen Head Pan 4 lt Cap Screw Extruding Head and lt lt Upper Bearing Evaporator Drain Hose Connection Reservoir Hose Connection P e Retainer Allen Head 4 S Cap Screw Mechanical Seal with Washer p paene Hex Head Bolt with T Washer Housing and Lower Bearing All i aa Coupling 2 Gear Motor F Fig 6 Allen Head B L Cap Screw 4 with Washer 30 1 Upper Bearing Wear Check To ensure that the bearing inside the extruding head does not exceed the wear tolerance of 02 follow the instructions below 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Remove all ice from the storage bin
9. 3 Compressor starts a Gear Motor 1 Bad gear motor 1 Replace capacitor but gear motor will capacitor not start 2 Open windings 2 Replace gear motor 3 Locked bearings 3 Replace gear motor 4 Gear motor and a Water Supply 1 Water supply off or 1 Check water supply filters compressor start but pressure too low water inlet strainer washer no ice is produced suction temperature float and water valve Get safety cycling open recommended pressure and closed 7 to 113 PSIG 21 Possible Cause 4 Gear motor and b Refrigerant Line 1 Gas leaks 1 Check for leaks with a leak compressor start but detector Recover repair no ice is produced replace drier evacuate continued and recharge See V A Service for Refrigerant Lines 2 Refrigerant lines or Recover repair replace components restricted drier evacuate and recharge See V A Service for Refrigerant Lines c Gear Motor 1 Spline coupling or Replace spline coupling or gear broken and augen gear motor not turning d Compressor 1 See 2 1 d Compressor 2 Low Ice Production Possible Cause 1 Low ice production a Bin Control Thermostat 1 Ambient temperature 1 Increase ambient Assembly with too cool temperature integrated heater 2 Bulb out of position 2 Place in position 3 Bad thermostat 3 Check and replace heater See V F Removal and Replacement of Bin Control Thermostat Assembly b Hi
10. Remove the control box cover 3 Plug the unit back in Place the power switch in the ON position 4 Freeze Cycle GM FM CR and Comp energize Ice production begins 4 to 6 minutes after Comp starts depending on ambient and water conditions Diagnosis Check that GM FM and Comp start If not check the power switch STS see III B 3 c Low Water Freeze Up Safety Shutdown BC assembly including heater GM protector external overload see Ill B 3 d Gear Motor Protector external overload Shutdown GM thermal protector internal overload GM windings GM capacitor voltage to FM voltage on CR PTC relay voltage on Comp terminals Comp windings and Comp thermal protector external overload If optional drain pump HS 0248 is installed see IV D Optional Drain Pump HS 0248 If GM starts but the auger does not turn check the spline coupling between the auger and GM 18 5 Shutdown bin full Ice fills storage bin to level of BC BC opens GM FM CR and Comp de energize Diagnosis When the icemaker is running hold ice in contact with BC bulb If the components fail to de energize check BC 6 Move the power switch to the OFF position and unplug the unit from the electrical outlet 7 Make any repairs necessary then replace the removed parts in the reverse order of which they were removed 8 Plug the unit back in Move the power switch to the ON position to start the automatic icemaking process Legend
11. ccc colon abeed Aei REEE EEE 7 Bene TTT 7 2 MCS MAKING LH 8 B Sequ nce Ol Op ration ois ssncocancenarinsantusticcatinndams nosed egas atnan ceedbn L ETERA EREE EE in eenean 9 1 ey E E tone sc ceceescd tee cence castes ce eee E 9 2 Bin Control Thermostat Shutdown sss sese eee 9 Ill Technical Information sss sees eee eee eee eee eee 10 A Water Circuit and Refrigeration Circuit eee 10 Es VAT UA EAN TTT 11 1 C 100BAF TTT 11 2 C 100BAF Series with Optional Drain Pump q5S 0248 sese eee eee 11 3 Sequence Wiring Diagram sese eee 12 a Freeze CVGle eee 12 b Bin Control Thermostat ShutdoWwWn sse eee eee 13 c Low Water Freeze Up Safety Shutdown sse 14 d Gear Motor Protector external overload Shutdown sss sese eee 15 e Optional Drain Pump HS 0248 Safety Shutdown sss sese se 16 C Performance D ta sssini REAA EIE E aana aR K EKEKA ENRE NERES 17 IV Service DI ACINOS Sa ca seat eine de cee just eecesazata sade este nea tacsadeqesscesasase becelavenavanncteaceiedsevetecenactiectas 18 A Ilce Production Check see 18 B Diagnostic Procedure sss sese 18 C Diagnostie Charis TT 20 1 N lce Sele Re iel 20 2 Low lce Production sss sss eee 22 e TT 23 D Optional Drain Pump HS 0248 sss sese 24 euT 24 2 Float Switch Cieaningd esse eee eee eee eee 24 V Removal and Replacement of Components eee eee eee eee eee 26 A Service for Refrigerant Unes eee 26 1 Refrigerant Recovery cis cba aes sags ok ps Suk cad xed
12. compressor to absorb moisture quickly the compressor must not be opened more than 15 minutes for replacement or service 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Remove the upper and lower rear panels front panel and louver See Fig 1 Remove the screws securing the control box then gently move the box out of the way 3 Install a temporary tap line valve on the high side then recover the refrigerant and store it in an approved container 4 Remove the terminal cover on the compressor and disconnect the compressor wiring 5 Remove the discharge and suction pipes 6 Remove the hold down bolts washers and rubber grommets 7 Remove the compressor 8 Attach the rubber grommets of the prior compressor to the new compressor 9 Place the compressor in position and secure it using the bolts and washers 10 Replace the tap line valve with a proper permanent access valve 11 Remove the drier then place the new drier in position 12 Remove the plugs from the suction discharge and process pipes 13 Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG 14 Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG DO NOT use R 134a as a mixture with pressurized air for leak testing 28 15
13. drain plug to drain the water from the reservoir and evaporator assembly 33 9 Disconnect the drain hose and reservoir hose from the evaporator 10 Remove the packing 11 Remove the allen head cap screws securing the extruding head and evaporator flange Remove the evaporator flange then grasp the cutter and carefully lift out the cutter and extruding head Grasp the top of the auger and carefully lift out the auger When pulling out the auger the upper part of the mechanical seal should come out with it 12 Remove the evaporator condensate drain pan 13 Install a temporary tap line valve on the high side then recover the refrigerant and store it in an approved container 14 Disconnect the inlet and outlet tubing Remove the allen head cap screws securing the evaporator to the lower housing 15 16 Lift off the evaporator 17 a a N wu Inspect the mechanical seal and O ring prior to installing the new evaporator The mechanical seal consists of two parts One moves along with the auger and the other is fixed on the lower housing If the contact surfaces of these two parts are worn cracked or scratched the mechanical seal may cause water leaks and should be replaced Instructions for removing the mechanical seal and lower housing are located later in this procedure 18 Make sure the lower mechanical seal and the O ring are in place then place the evaporator assembly in position Secure the evaporator to the lower housin
14. from hinge B Pull out the bottom of the door slightly then gently remove the door from hinge A See Fig 7 5 6 7 8 Remove the top panel Remove the spout Remove the upper rear panel See Fig 9 a a e e Remove the clamp securing the drain plug then lower the drain hose into a container Remove the drain plug to drain the water from the reservoir and evaporator assembly 9 After all of the water has drained replace the drain hose drain plug and drain clamp in their original positions 10 Remove the packing 11 Remove the allen head cap screws securing the extruding head and evaporator flange Remove the evaporator flange then grasp the cutter and carefully lift out the cutter and extruding head Grasp the top of the auger and carefully lift out the auger When pulling out the auger the upper part of the mechanical seal should come out with it 12 Remove the allen head cap screws securing the evaporator to the lower housing 13 Raise the evaporator up to access the lower housing 14 The mechanical seal consists of two parts One moves along with the auger and the other is fixed on the lower housing If the contact surfaces of these two parts are worn cracked or scratched the mechanical seal may cause water leaks and should be replaced 15 Remove the mechanical seal from the housing If only replacing the mechanical seal proceed to step 18 CAUTION To help prevent water leaks be careful not to damage th
15. ice from the storage bin 4 While maintaining a hold on the door remove the hinge stop pin from hinge B Pull out the bottom of the door slightly then gently remove the door from hinge A See Fig 7 5 Remove the top panel 6 Remove the spout 7 Remove the upper rear panel See Fig 9 8 Remove the bolts securing the lower housing to the gear motor Lift the evaporator up slightly 9 Remove the bolts securing the gear motor 10 Disconnect the gear motor wires then remove the gear motor 11 12 Attach the spline coupling from the old gear motor to the new gear motor Replace the removed parts in the reverse order of which they were removed Before replacing the panels and door open the water supply line shut off valve and check for water leaks 13 Plug the unit back in Move the power switch to the ON position D Removal and Replacement of Fan Motor 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Remove the upper and lower rear panels front panel and louver Remove the screws securing the control box then gently move the box out 3 Remove the control box cover then disconnect the fan motor wires 4 Loosen the rear bolt on the fan motor bracket and remove the front bolt Slide out the fan motor bracket and fan motor 5 Install the new fan motor onto the bracket and install the blade onto the fan motor Install 36 the fan motor assembly into t
16. ice from the storage bin 4 While maintaining a hold on the door remove the hinge stop pin from hinge B Pull out the bottom of the door slightly then gently remove the door from hinge A See Fig 7 5 Remove the top panel 6 Remove the spout Spout KS Packing Evaporator aps Cutter Fig 9 Flange t_g Ss Extruding 8 Remove the clamp securing the drain Lf Head plug then lower the drain hose into a AS container Remove the drain plug to Sta VS et 7 Remove the upper rear panel See CB A si Evaporator drain the water from the reservoir and Condensate Drain Pan Drain Plug evaporator assembly R Fig 9 amp S 9 After all of the water has drained Drain Hose replace the drain hose drain plug TS C m and drain clamp in their original i positions 10 Remove the cutter and packing 1 E U RE LTO 11 Remove the allen head cap screws i securing the extruding head and Reservoir Hose Upper Rear Panel evaporator flange then lift off 12 Place the evaporator flange and new extruding head in place then tighten down the allen head cap screws 13 Open the water supply line shut off valve and check for water leaks Replace the removed parts in the reverse order of which they were removed 14 Plug the unit back in Move the power switch to the ON position 3 Removal and Replacement of Auger 1 Move the power switch to the OFF positio
17. in the water reservoir to allow water into the icemaker as needed After the power switch is placed in the ON position the sequence is as follows 1 Freeze Cycle GM FM CR and Comp energize As the water in the evaporator cools ice starts forming within 4 to 6 minutes This time frame depends on the inlet water and ambient temperature conditions The float operated water valve allows water into the reservoir as needed to continue the ice making process This continues until BC shuts down the icemaker or power is turned off to the icemaker 2 Bin Control Thermostat Shutdown Ice fills storage bin to level of BC When BC opens GM FM CR and Comp de energize When ice level lowers and BC closes the icemaker starts operating again C 100BAF Series Sequence Flow Chart and Component Operation A BC closed em mm 2 Shutdown Full Bin When BC opens the icemaker shuts down When BC closes the icemaker starts operating again 1 Freeze Cycle _____ The float operated water valve allows water into the reservoir as needed to Power Switch continue the ice making process ON BC open _ gt BC closed BC closed BC open GM energized GM continues GM de energized FM energized FM continues FM de energized CR energized CR continues CR de energized Comp energized Comp continues Comp de energized Legend BC bin control thermostat Comp compressor CR compressor relay
18. supply line shut off valve 3 While maintaining a hold on the door remove the hinge stop pin from hinge B Pull out the bottom of the door slightly then gently remove the door from hinge A See Fig 10 4 Remove the 2 screws securing the top panel then lift it off 5 6 7 Remove the clamp securing the drain plug then lower the drain hose into a container See Fig 11 Remove the drain plug to drain the water from the reservoir and evaporator assembly 8 After all of the water has drained replace the drain hose drain plug drain clamp and all other removed parts in their original and correct positions Remove all ice from the storage bin Remove the screws securing the upper rear panel then remove it 9 Open the water supply line drain valve 10 From the water supply line drain valve blow the water supply line out using compressed air or carbon dioxide 11 Close the water supply line drain valve 12 Clean the storage bin by using a neutral cleaner Rinse thoroughly after cleaning 44
19. EAR MOTOR Bk n OVERLOAD GEAR R ovo l internal D N otor d raag GY R BK BLACK BR BROWN Y DBU oop eae 3 Bk BK GR GREEN COMP 0 GY GRAY HY OVERLOAD E cap J LBU LIGHT BLUE 10 MFD T O ORANGE W B PINK FAN R RED motor Bh Vv VIOLET Wo WHITE w w w W w w Y YELLOW 2 C 100BAF Series with Optional Drain Pump HS 0248 SUCTION POWER TEMP oben SAFETY L BR_ SWITCH BR BR BR BR BK BK COMP BR RELAY BIN CONTROL MOTOR e r om m m m S e overloat l i aF BR YR PROT 2 4 3 0A 5 lt l 1 0 0 L BK L 3 D Ba ne ee R oS E GR W GR I lw il ai BR 8k OPTIONAL ORAN PUMP U E E GND I HS 0248 l 7 P n l R pel NO REPLACEABLE PARTS W l POWER SUPPLY l l 24VDC aC l PTC GY VSNL 2 Vw I EEN i RELAY GR a H l GEAR MOTOR BK R OVERLOAD GEAR Ran l mo sibl i internal TS MOTOR R BK UPPER M l SIH l COMP I REP L TOWER l RELAY BOARD T I 31 Bk a Y DBU BK BLACK l BK gi I COMP 0 BR BROWN l S PUMP l E OVERLOAD CAP Bu lt S ES Pe MOTOR external 10 MFD GY GRAY l RT SBS fee LBU LIGHT BLUE l Talo ko l FAN BK 0 O0RANGE SAA Aneen SS5 MOTOR P PINK R RED w w w w w W Vv VIOLET N N WHITE Y YELLOW 11 3 Sequence Wiring Diagram a Freeze Cycle Power supplied Gear motor fan motor compressor relay and compressor energize The float operated water valve allows water into the reservoir as needed to c
20. Hoshizaki America Inc Self Contained Cubelet Models C 00BAF AD C Q00BAF ADDS SERVICE MANUAL A Superior Degree of Reliability www hoshizaki com Number 73180 Issued 10 6 2010 IMPORTANT Only qualified service technicians should install service and maintain the icemaker No service or maintenance should be undertaken until the technician has thoroughly read this Service Manual Failure to service and maintain the equipment in accordance with this manual may adversely affect safety performance component life and warranty coverage Hoshizaki provides this manual primarily to assist qualified service technicians in the service and maintenance of the icemaker Should the reader have any questions or concerns which have not been satisfactorily addressed please call write or send an e mail message to the Hoshizaki Technical Support Department for assistance HOSHIZAKI AMERICA INC 618 Highway 74 South Peachtree City GA 30269 Attn Hoshizaki Technical Support Department Phone 1 800 233 1940 Technical Support 770 487 2331 Fax 1 800 843 1056 770 487 3360 E mail techsupport hoshizaki com Web Site www hoshizaki com NOTE To expedite assistance all correspondence communication MUST include the following information s Model Number e Serial Number e Complete and detailed explanation of the problem Important Safety Information Throughout this manual notice
21. K OVERLOAD internal enp BS a S RELAY BOARD 3 BK BK Y DBU BK BLACK 5 GONE DO I BOL OVERLOAD cap 1 GS eee external 10 MED GR GREEN GY GRAY EAN LBU LIGHT BLUE MOTOR BK O ORANGE _ Oy E i e i P l l V VIOLET Ww WHITE Y YELLOW C 100BAF Series 16 C Performance Data 1 C 100BAF AD C 100BAF ADDS FE ann MOEN TEN WATER TEMP EPO F C 50 10 70 21 90 32 70 21 40 84 80 27 32 66 90 32 28 57 Ibs day _kg day 100 38 49 APPROXIMATE ELECTRIC 70 21 CONSUMPTION 80 27 90 32 watts 100 38 APPROXIMATE WATER 70 21 CONSUMPTION PER 24 HR 80 27 90 32 gal day m day 100 38 Evaporator Outlet 70 21 80 27 90 32 100 38 HEAD PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 SUCTION PRESSURE 70 21 80 27 90 32 PSIG kg cm G 100 38 TOTAL HEAT OF REJECTION FROM CONDENSER 1850 BTU h AT 90 F 32 C WT 70 F 21 C Note 1 The data not in bold should be used for reference only 2 We reserve the right to make changes in specifications and design without prior notice 17 IV Service Diagnosis A WARNING 1 This unit should be diagnosed and repaired only by qualified service personnel to reduce the risk of death electric shock serious injury or fire Risk of electric shock Use extreme caution and exercise safe electrical practices Movi
22. PSIG DO NOT use R 134a as a mixture with pressurized air for leak testing 1 Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG CAUTION 1 Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repair or replacement has been made 2 When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 2 Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG DO NOT use R 134a as a mixture with pressurized air for leak testing 3 Evacuation and Recharge R 134a 1 Attach a vacuum pump to the system Be sure the high side charging hose is connected to the field installed high side access valve IMPORTANT The vacuum level and vacuum pump may be the same as those for current refrigerants However the rubber hose and gauge manifold to be used for evacuation and refrigerant charge should be exclusively for POE oils 2 Turn on the vacuum pump then open the high side valve on the gauge manifold Never allow the oil in the vacuum pump to flow backwards 3 Allow the vacuum pump to pull down to a 29 9 Hg vacuum Evacuating period depends on pump capacity 4 Close the high side valve on the gau
23. XIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION PER 24 HR lbs day kg day Reference without marks SHAPE OF ICE ICE QUALITY APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 lbs WATER gal 24HR gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN ICE MAKING SYSTEM HARVESTING SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM COMPRESSOR CONDENSER EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE P C BOARD CIRCUIT PROTECTION COMPRESSOR PROTECTION GEAR MOTOR PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS AGENCY 115 60 1 4 0A 15A 15A Ambient Temp F WATER TEMP F POT 7 29 70 92 42 89 40 84 38 80 90 100 Cubelet Approx 90 29 Ibs 13 kg Bin Control Setting 22 lbs 10 0 kg 90 70 F 70 50 F 310 12 1 297 7 7 7 7 12 11 1 12 14 9 x 22 6 x 31 5 378 x 575 x 800mm Stainless steel Galvanized Steel Rear Net 104 Ibs 47 kg Shipping 115 Ibs 52 kg without pallet Cord Connection Inlet 1 2 FPT Outlet 1 2 FPT Auger type Direct Drive Auger 80W Gear Motor Mechanical float valve N A Thermostat Hermetic Model QA51K13GAU6 Air cooled Fin and tube type Copper Tube on Cylinder Capillary Tube R134a 3 17 oz 90g High 240 PSIG Low 120 PSIG N A Auto reset Overload P
24. atin cab cu cn nega am chan tied ahmeneneen 26 2 Na EAT T 27 3 Evacuation and Recharge R 134a sss 27 B Removal and Replacement of COMpreSSOl csceeeeeeeeeeneeeeeeeeeeeeeeeeeeeeeeeeeeeess 28 C Removal and Replacement of Evaporator Assembly Components eee ee 30 1 Upper Bearing Wear Check eee 31 2 Removal and Replacement of Extruding dead 32 3 Removal and Replacement of Auger sse 32 4 Removal and Replacement of Evaporator eee eee ee 33 5 Removal and Replacement of Mechanical Seal and Lower Housing sss 35 6 Removal and Replacement of Gear Motor csssseesesseceeeeeeeeeeeeeeeeeeeeeeeeeees 36 D Removal and Replacement of Fan Motor seesseseeeeeeeeeeeeeeeeeeeeeaeeeegeseeeseeeeeeees 36 E Removal and Replacement of Water Reservoir eee eee 37 F Removal and Replacement of Bin Control Thermostat Assembies eee 37 Vi Cleaning and MaintenanC lt meta e a ee aE A 38 A Cleaning and Sanitizing Instruccions eee eee eee 38 t BeTa Kee Ee 38 2 Cleaning eee TE rsrsrs sranna aiaa Ra eaaa 38 STET 19 SOli 9 Pacem ee era ene e et ett Perr eee one are ee 40 4 Sanitizing Procedure TMA kisirisiri a eaa 40 5 Sanitizing Proced re lt T aeea rE AREE E 41 B ane iiasassisninaanananiane oe aaa RE Raa a A E 42 C Preparing the icemaker for Long Storage sese eee eee eee 44 I Specifications A C 100BAF AD C 100BAF ADDS AC SUPPLY VOLTAGE AMPERAGE MINIMUM CIRCUIT AMPACITY MA
25. e gear motor amperage gear motor bearings and auger bearings see V C 1 Upper Bearing Wear Check Check for evaporator freeze up 20 Possible Cause 1 The icemaker will not f Gear Motor Internal 1 Allow to cool and reset start continued Overload Thermal Check gear motor Protector bearings auger bearings see V C 1 Upper Bearing Wear Check and supply voltage Check for evaporator freeze up g Optional Drain Pump 1 Open 1 Check drain pump See HS 0248 Safety IV D Optional Drain Pump HS 0248 2 Gear motor starts a Power Supply 1 Not within 1 Refer to nameplate and but compressor will specifications correct His N Rann b Compressor Relay 1 Open coil 1 Replace intermittently 2 Open contacts 2 Replace c PTC Relay 1 Bad contacts 1 Check for continuity and replace 2 Coil winding open 2 Replace 3 Loose connections 3 Tighten d External Compressor 1 Open due to clogged 1 Clean condenser coil Overload Thermal condenser coil Protector 2 Open due to 2 Check condenser fan for condenser fan not continuity and replace operating 3 Defective 3 Let compressor cool and allow overload to reset If overload does not reset replace overload e Compressor 1 Wiring to compressor 1 Check for loose connection or open and tighten or replace 2 Motor winding opened 2 Replace compressor or grounded 3 Compressor locked 3 Replace compressor
26. e replaced Instructions for removing the mechanical seal are located later in this procedure 13 Remove the mechanical seal from the old auger and place it on the new auger 14 Install the new auger Replace the cutter extruding head and evaporator flange in their correct positions 15 Open the water supply line shut off valve and check for water leaks Replace the removed parts in the reverse order of which they were removed 16 Plug the unit back in Move the power switch to the ON position 4 Removal and Replacement of Evaporator CAUTION 1 Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repair or replacement has been made 2 When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Close the water supply line shut off valve 3 Remove all ice from the storage bin 4 While maintaining a hold on the door remove the hinge stop pin from hinge B Pull out the bottom of the door slightly then gently remove the door from hinge A See Fig 7 5 6 7 8 Remove the top panel Remove the spout Remove the upper and lower rear panels See Fig 9 a a e e Remove the clamp securing the drain plug then lower the drain hose into a container Remove the
27. e surfaces of the O ring or mechanical seal 5b Lower Housing 16 Remove the O ring and the bolts securing the lower housing to the gear motor and remove the housing from the gear motor If inspection of the upper bearing inside the extruding head see V C 1 Upper Bearing Wear Check indicates that it is out of tolerance replace both it and the bearing inside the lower housing Note Replacing the bearing requires a bearing press adaptor If one is not available replace the entire extruding head and housing 17 Mount the lower housing onto the gear motor then install the O ring onto the lower housing 35 18 Install the lower part of the mechanical seal onto the lower housing 19 Lower the evaporator down and secure it to the lower housing 20 Install the auger assembly with the upper part of the mechanical seal attached Replace the cutter extruding head and evaporator flange in their correct positions 21 Open the water supply line shut off valve and check for water leaks Replace the removed parts in the reverse order of which they were removed 22 Plug the unit back in Move the power switch to the ON position 6 Removal and Replacement of Gear Motor Note Hoshizaki recommends that the gear motor capacitor be replaced at the same time as the gear motor 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Close the water supply line shut off valve 3 Remove all
28. g using the allen head cap screws 19 20 21 22 Replace the tap line valve with a proper permanent access valve Remove the drier then place the new drier in position Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG DO NOT use R 134a as a mixture with pressurized air for leak testing 23 Evacuate the system and charge it with refrigerant See the nameplate for the required refrigerant charge 24 Reattach and secure the reservoir hose drain hose and drain plug 25 Install the auger assembly with the upper part of the mechanical seal attached Replace the cutter extruding head and evaporator flange in their correct positions 26 Open the water supply line shut off valve and check for water leaks Replace the removed parts in the reverse order of which they were removed 27 Plug the unit back in Move the power switch to the ON position 34 5 Removal and Replacement of Mechanical Seal and Lower Housing 5a Mechanical Seal 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Close the water supply line shut off valve 3 Remove all ice from the storage bin 4 While maintaining a hold on the door remove the hinge stop pin
29. ge manifold 5 Disconnect the gauge manifold hose from the vacuum pump and attach it to a refrigerant service cylinder Remember to loosen the connection and purge the air from the hose See the nameplate for the required refrigerant charge Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets the requirements of ARI Standard 700 latest edition be used 27 6 A liquid charge is recommended when charging an R 134a system Place the service cylinder on the scales if the service cylinder is not equipped with a dip tube invert the service cylinder then place it on the scales Open the high side valve on the gauge manifold 7 Allow the system to charge with liquid until the proper charge weight is met 8 Close the high side valve on the gauge manifold then close the refrigerant access valve if applicable Disconnect the gauge manifold hose 9 Cap the access valve to prevent a possible leak B Removal and Replacement of Compressor CAUTION 1 Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repair or replacement has been made 2 When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C Note Hoshizaki recommends that compressor starting components be replaced at the same time as the compressor Due to the ability of the POE oil in the
30. gh Side Pressure 1 Dirty condenser Too High 2 Ambient temperature 2 Reduce temperature too warm 3 Bad fan motor 3 Check and replace c Refrigerant Line 1 Refrigerant leak low 11 Check for leaks with a leak charge detector Recover repair replace drier evacuate and recharge See V A Service for Refrigerant Lines 2 Refrigerant lines or Recover repair replace components drier evacuate and restricted recharge See V A Service for Refrigerant Lines 3 Overcharged 3 Recharge d Compressor 1 Faulty external 1 Replace overload compressor overload thermal protector 2 Inefficient compressor 2 Replace compressor 22 3 Other Possible Cause 1 Abnormal noise 2 Overflow from reservoir water does not stop 3 Gear motor protector external overload trips frequently a Fan Motor 1 Bearing worn out 1 Replace fan motor 2 Fan blade deformed 2 Replace fan blade 3 Fan blade does not 3 Replace fan blade and or move freely fan motor b Compressor 1 Mounting pad out of 1 Reinstall position 2 Bearings worn out or 2 Replace compressor cylinder valve broken c Refrigerant Lines 1 Rub or touch lines or 1 Reposition other surfaces d Auger 1 Bearings or auger 1 Replace bearings or worn out auger See V C 1 Upper Bearing Wear Check e Gear Motor 1 Bearing or gear worn 1 Replace out damaged f Evaporator 1 Scale on in
31. he unit Connect the fan motor wires then replace the removed parts in the reverse order of which they were removed 6 Replace the louver and panels in their correct positions 7 Plug the unit back in Move the power switch to the ON position E Removal and Replacement of Water Reservoir 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Close the water supply line shut off valve 3 Remove the upper rear panel See Fig 9 4 Remove the clamp securing the drain plug then lower the drain hose into a container Remove the drain plug to drain the water from the reservoir and evaporator assembly 5 After all of the water has drained replace the drain hose drain plug and drain clamp in their original positions 6 Loosen the inlet fitting on the top of the reservoir 7 Disconnect the hoses from the water reservoir 8 Remove the reservoir bracket and reservoir 9 Remove the reservoir from the reservoir bracket 10 Install the new reservoir onto the reservoir bracket 11 Replace the removed parts in the reverse order of which they were removed Before replacing the rear panel open the water supply line shut off valve and check for water leaks 12 Plug the unit back in Move the power switch to the ON position F Removal and Replacement of Bin Control Thermostat Assembly 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet
32. n then unplug the unit from the electrical outlet 2 Close the water supply line shut off valve 3 Remove all ice from the storage bin 4 While maintaining a hold on the door remove the hinge stop pin from hinge B Pull out the bottom of the door slightly then gently remove the door from hinge A See Fig 7 5 Remove the top panel 6 Remove the spout 7 Remove the upper rear panel See Fig 9 32 8 Remove the clamp securing the drain plug then lower the drain hose into a container Remove the drain plug to drain the water from the reservoir and evaporator assembly 9 After all of the water has drained replace the drain hose drain plug and drain clamp in their original positions 10 Remove the packing 11 Remove the allen head cap screws securing the extruding head and evaporator flange Remove the evaporator flange then grasp the cutter and carefully lift out the cutter and extruding head Grasp the top of the auger and carefully lift out the auger 12 When pulling out the auger the upper part of the mechanical seal should come out with it The mechanical seal consists of two parts One moves along with the auger and the other is fixed on the lower housing Inspect the part of the mechanical seal that came out with the auger If the contact surface on the bottom of the seal is worn cracked or scratched the mechanical seal may cause water leaks and both the upper and lower parts of the mechanical seal should b
33. n R 134a units can absorb moisture quickly Therefore it is important to prevent moisture from entering the system when replacing or servicing parts 2 Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repair or replacement has been made 3 When brazing protect the drier by using a wet cloth to prevent the drier from overheating Do not allow the drier to exceed 250 F 121 C 1 Refrigerant Recovery No refrigerant access valves are provided on this unit Using proper refrigerant practices utilize a temporary tap line valve on the high side to recover the refrigerant Store the refrigerant in an approved container Do not discharge the refrigerant into the atmosphere After recovery is complete replace the tap line valve with a proper permanent access valve 26 2 Brazing A WARNING 1 R 134a itself is not flammable at atmospheric pressure and temperatures up to 212 F 100 C 2 R 134a itself is not explosive or poisonous However when exposed to high temperatures open flames R 134a can be decomposed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous 3 Do not use silver alloy or copper alloy containing arsenic 4 Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140
34. nd do not use an adapter plug s Do not use an extension cord e Make sure the power switch is in the OFF position before plugging in or unplugging the unit to reduce the risk of electric shock e Do not use a unit with a damaged power cord The power cord should not be altered jerked bundled weighed down pinched or tangled Such actions could result in electric shock or fire To unplug the unit be sure to pull the plug not the cord and do not jerk the cord e To reduce the risk of electric shock do not touch the plug or power switch with damp hands e Do not place fingers or any other objects into the ice discharge opening e This unit should be disassembled or repaired only by qualified service personnel to reduce the risk of electric shock injury or fire e Do not make any alterations to the unit Alterations could result in electric shock injury fire or damage to the unit IMPORTANT This manual should be read carefully before the icemaker is serviced or maintenance operations are performed Only qualified service technicians should install service and maintain the icemaker Read the warnings contained in this booklet carefully as they give important information regarding safety Please retain this booklet for any further reference that may be necessary CONTENTS Important Safety Information eee eee 3 Bp PO SN ANN T 6 ll STE alll Ta ssa le 7 Peel UO UN agra a ek chk ala Aad nes sg ts heh wet ens EEEa die
35. ng parts e g fan blade can crush and cut Keep hands clear CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place after the unit is serviced Make sure that none have fallen into the storage bin Make sure all food zones in the icemaker and storage bin are clean after the unit is serviced For cleaning procedures see VI Cleaning and Maintenance A Ice Production Check To check production prepare a bucket or pan to catch the ice and a set of scales to weigh the ice After the icemaker has operated for 10 to 20 minutes catch the ice production for 10 minutes Weigh the ice to establish the batch weight Multiply the batch weight by 144 for the total production in 24 hours When confirming production or diagnosing low production see III C Performance Data for typical production information B Diagnostic Procedure This diagnostic procedure is a sequence check that allows you to diagnose the electrical system and components Before proceeding check for correct installation adequate water supply minimum of 7 PSIG maximum of 113 PSIG and proper voltage per unit nameplate When checking voltage 115VAC always choose a white W neutral wire to establish a good neutral connection 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Remove the front panel and louver Remove the screws securing the control box then gently pull the box out
36. o make ice using the solution When ice stops coming out move the power switch to the OFF position Unplug the unit from the electrical outlet 7 Remove the drain plug to drain any remaining solution 8 After all of the solution has drained replace the drain plug in its correct position 9 Remove the reservoir cover Using a clean container pour water into the reservoir until it starts to flow through the overflow hose Replace the reservoir cover in its correct position 10 Remove the drain plug to drain the water 11 After all of the water has drained replace the drain hose drain plug drain clamp and all other removed parts in their original and correct positions WARNING CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place Make sure that none have fallen into the storage bin 12 Open the water supply line shut off valve Check for leaks 13 Plug the unit back in Move the power switch to the ON position and allow the icemaker to run 14 After 30 minutes move the power switch to the OFF position Unplug the unit 15 Pour warm water into the storage bin to melt all of the ice then clean the storage bin liner door liner and door gasket with a neutral cleaner Rinse thoroughly after cleaning 16 Plug the unit back in Move the power switch to the ON position to start the automatic icemaking process 41 B Maintenance The maintenance schedule below is a guideline More f
37. ontinue the ice making process SUCTION TEMP B SAFETY pp CONTROL BR POWER BK BR SWITCH BR BK HS 0248 OPTIONAL DRAIN PUMP CONNECTION JUMPER overload 2 4 3 0A y 115 60 1 GEAR MOTOR OVERLOAD internal T MOTOR B BR BROWN BU BLUE GR GREEN E GY GRAY OVERLOAD LBU LIGHT BLUE external O ORANGE BD PINK R RED V VIOLET w WHITE Y YELLOW C 100BAF Series 12 b Bin Control Thermostat Shutdown Ice fills storage bin to level of bin control thermostat Bin control thermostat opens Gear motor fan motor compressor relay and compressor de energize SUCTION S BIN POWER JEMP BK BR SWITCH BR SAFETY pR CONTROL BR BK HS 0248 OPTIONAL DRAIN RET PUMP CONNECTION GEAR MOTOR JUMPER BR 1 PROT a Re 3 external D R ee overload NP T BK 5 2 4 3 0A 4 z o BIN CONTROL 7 8 HEATER GND GW GY W GEAR MOTOR BK BK BLACK LT BR BROWN Sr thir 3 Bk BK GR GREEN D COMP 0 GY GRAY 7 OVERLOAD CAP LBU LIGHT BLUE external 10 MFDT__ O ORANGE W B PINK FAN BK R RED MOTOR V VIOLET Ww WHITE Ww W W W Ww Y YELLOW 4 4 4 C 100BAF Series 13 c Low Water Freeze Up Safety Shutdown If the water supply is interrup
38. orage bin 4 Keep the area around the icemaker clean Dirt dust or insects in the unit could cause electrical damage to the equipment or harm to individuals 5 Do not place fingers or any other objects into the ice discharge opening A Cleaning and Sanitizing Instructions Hoshizaki recommends cleaning and sanitizing this unit at least twice a year More frequent cleaning and sanitizing however may be required in some existing water conditions A WARNING 1 To prevent injury to individuals and damage to the icemaker do not use ammonia type cleaners 2 Carefully follow any instructions provided with the bottles of cleaning and sanitizing solution 3 Always wear liquid proof gloves and goggles to prevent the cleaning and sanitizing solutions from coming into contact with skin or eyes 4 Do not use ice made from the cleaning and sanitizing solutions After cleaning and sanitizing be careful not to leave any solution in the icemaker 1 Cleaning Solution IMPORTANT For safety and maximum effectiveness use the solution immediately after dilution Dilute 1 6 fl oz 47 ml or 3 2 tbs of Hoshizaki Scale Away with 1 qt 1 1 of warm water This is a minimum amount Make more solution if necessary 2 Cleaning Procedure 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Close the water supply line shut off valve 38 3 While maintaining a hold on the door
39. rain pump returns to a normal level and the upper float switch opens 25 V Removal and Replacement of Components A WARNING 1 This unit should be diagnosed and repaired only by qualified service personnel to reduce the risk of death electric shock serious injury or fire 2 Move the power switch to the OFF position and unplug the unit from the electrical outlet before servicing CHOKING HAZARD Ensure all components fasteners and thumbscrews are securely in place after the unit is serviced Make sure that none have fallen into the storage bin Make sure all food zones in the icemaker and storage bin are clean after the unit is serviced For cleaning procedures see VI Cleaning and Maintenance A Service for Refrigerant Lines A WARNING 1 Repairs requiring the refrigeration circuit to be opened must be performed by properly trained and EPA certified service personnel 2 Always recover the refrigerant and store it in an approved container Do not discharge the refrigerant into the atmosphere 3 Use an electronic leak detector or soap bubbles to check for leaks Add a trace of refrigerant to the system if using an electronic leak detector and then raise the pressure using nitrogen gas 140 PSIG DO NOT use R 134a as a mixture with pressurized air for leak testing CAUTION 1 Do not leave the system open for longer than 15 minutes when replacing or servicing parts The Polyol Ester POE oils used i
40. remove the hinge stop pin from hinge B Pull out the bottom of the door slightly then gently remove the door from hinge A See Fig 10 4 Remove the 2 screws securing the top panel then lift it off 5 Remove all ice from the storage bin 6 Remove the slope from the storage bin by carefully bending it in the center and releasing it from the 2 slope shafts 7 Remove the scoop Remove the 2 thumbscrews securing the scoop holder then remove it 8 Remove the screws securing the upper rear panel then remove it 9 Remove the clamp securing the drain plug then lower the drain hose into a container See Fig 11 Remove the drain plug to drain the water from the reservoir and evaporator assembly 10 After all of the water has drained replace the drain plug in its correct position 11 Remove the reservoir cover Pour the cleaning solution into the reservoir until the solution starts to flow through the overflow hose Replace the reservoir cover in its correct position Note If there is excess scale on the extruding head fill the reservoir as described above then use a clamp on the reservoir hose between the reservoir and evaporator assembly to block flow Remove the thumbscrews securing the spout then remove the spout Pour additional cleaning solution over the extruding head until the evaporator assembly is completely full Top Panel ae Scoop Holder Clamp Reservoir Cover
41. requent maintenance may be required depending on water quality the icemaker s environment and local sanitation regulations A WARNING 1 Only qualified service technicians should attempt to service this icemaker 2 Move the power switch to the OFF position and unplug the unit from the electrical outlet before servicing Maintenance Schedule anan lass Tst Weekly Monthly External Water Check for proper pressure and change if necessary Filters Icemaker Exterior Wipe down with clean soft cloth Use a damp cloth containing a neutral cleaner to wipe off oil or dirt build up Clean any chlorine staining rust colored spots using a non abrasive cleaner like Zud or Bon Ami Every 6 Icemaker and Clean and sanitize per the cleaning and sanitizing instructions provided in Months Storage Bin this manual See III A Cleaning and Sanitizing Instructions Evaporator Wipe down with clean cloth Condensate Drain and warm water Evaporator Pan and Gear Condensate Motor Drain Pan Drain Pan Gear Motor Drain Pan Maintain as outlined in III B 1 Storage Bin Drain system Clean the water supply inlet screen Upper Bearing Check for wear using 02 round stock or pin gauge Replace both upper extruding head bearing and lower bearing if wear exceeds factory recommendations See the Service Manual for details After Upper Bearing Inspect Replace both upper bearing and lower bearing if wear exceeds 3 Year
42. rip or other method confirm that you have a concentration of about 200 ppm 4 Sanitizing Procedure Initial 1 Remove the reservoir cover Pour the sanitizing solution into the reservoir until the solution starts to flow through the overflow hose Replace the reservoir cover in its correct position 2 Remove the spout and packing 3 Pour some of the sanitizing solution into a separate clean container Use this sanitizing solution and a clean cloth to wipe down the slope scoop scoop holder spout and packing 4 Rinse the parts thoroughly with clean water 5 Replace the packing and spout in their correct positions 6 Make sure at least 10 minutes have elapsed since you poured the sanitizing solution into the reservoir then plug the unit back in Move the power switch to the ON position 7 Allow the unit to make ice using the solution When ice stops coming out move the power switch to the OFF position Unplug the unit from the electrical outlet 40 5 Sanitizing Procedure Final 1 Remove the drain plug to drain any remaining solution 2 After all of the solution has drained replace the drain plug in its correct position 3 Remove the reservoir cover Pour the sanitizing solution into the reservoir until the solution starts to flow through the overflow hose 4 Allow the icemaker to sit for 10 minutes before operation 5 Plug the unit back in Move the power switch to the ON position 6 Allow the unit t
43. rotector Manual reset Circuit Breaker Suction Temperature Safety Ice Scoop pump adapter hose N A VOLTAGE RANGE 104 127 V AMBIENT TEMP 45 100 F WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 7 113 PSIG UL OUTDOOR APPROVED cUL ETL Note We reserve the right to make changes in specifications and design without prior notice Il General Information A Construction 1 lcemaker Ice Discharge Opening Bin Control Thermostat Bulb Slope Front Panel Air Cooled Condenser and Condenser Fan Motor Louver ron C 100BAF AD Shown Bin Control Thermostat lt AR wom Float Operated Water Valve a Panel Water Reservoir Evaporator Assembly Gear Motor Compressor Rear Fia 1 C 100BAF AD Shown g 7 2 Ice Making Unit Cutter motionless A Allen Head Cap Screw Evaporator Flange 1 j Extruding Head E K N and Upper i 1 Bearing E T y Auger LA Insulation Cylinder E Mechanical Seal Gear Motor O Ring SP T Housi d C y l l T c s ih DL Allen Head rere T AA g EE Hex Head TE Washer E AII liai II I AK NTT B Sequence of Operation This icemaker utilizes a thermostatic bin control to switch the gear motor fan motor and compressor on and off as needed This icemaker utilizes a float operated water valve
44. s extruding head _ factory recommendations Replace the mechanical seal if the seal s contact then Yearly Lower Bearing surfaces are worn cracked or scratched and O Ring lower housing Mechanical Seal Evaporator Cylinder Auger 42 1 Storage Bin Drain In some conditions slime may build up inside the storage bin drain and prevent water from draining properly To prevent this buildup perform the following procedure once every 3 months or as often as necessary for conditions 1 Move the power switch to the OFF position 2 Remove all ice from the storage bin 3 Mix a batch of sanitizing solution by diluting 1 25 fl oz 87 ml or 2 5 tbs of a 5 25 sodium hypochlorite solution chlorine bleach with 2 5 gallons 9 5 I of warm water Using a chlorine test strip or other method confirm that you have a concentration of about 200 ppm 4 Slowly pour the sanitizing solution into the storage bin 5 After all of the solution has drained clean the storage bin liner with a neutral cleaner Rinse thoroughly with clean water 6 Move the power switch to the ON position to start the automatic icemaking process 2 Condenser Check the condenser once a year and clean if required by following the steps below More frequent cleaning may be required depending on location A WARNING 1 Move the power switch to the OFF position and unplug the unit from the electrical outlet before cleaning the condenser 2 Condenser fin
45. s appear to bring your attention to situations which could result in death serious injury or damage to the unit A WARNING Indicates a hazardous situation which could result in death or serious injury CAUTION Indicates a situation which could result in damage to the unit IMPORTANT Indicates important information about the use and care of the unit A WARNING This icemaker should be destined only to the use for which it has been expressly conceived Any other use should be considered improper and therefore dangerous The manufacturer cannot be held responsible for injury or damage resulting from improper incorrect and unreasonable use To reduce the risk of death electric shock serious injury or fire follow basic precautions including the following e This unit requires an independent power supply See the nameplate for proper voltage and breaker fuse size Failure to use a proper breaker or fuse can result in a tripped breaker blown fuse or damage to existing wiring This could lead to heat generation or fire e THIS APPLIANCE MUST BE GROUNDED This unit is equipped with a 3 prong grounding plug to reduce the risk of potential shock hazards It must be plugged into a properly grounded independent wall outlet If the outlet is a 2 prong outlet it is your personal responsibility to have a qualified electrician replace it with a properly grounded independent 3 prong wall outlet Do not remove the ground prong from the power cord a
46. s are sharp Use care when cleaning 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Remove the 2 screws securing the front Condenser Prom manal panel then remove the panel See Fig 12 oe Screws 3 Remove the 2 screws securing the louver d AN K A then remove the louver 4 Use a brush attachment on a vacuum cleaner to gently clean the condenser fins Do not use too much force otherwise the a fins could be damaged Screws Louver la 5 Replace the louver and front panel in their correct positions Ensure that the screws Fig 12 are securely in place 6 Plug the unit back in Move the power switch to the ON position to start the automatic icemaking process 43 C Preparing the lcemaker for Long Storage CAUTION When storing the icemaker for an extended time or in sub freezing temperatures follow the instructions below to prevent damage When the icemaker is not used for two or three days under normal conditions it is sufficient to move the power switch to the OFF position When storing the icemaker for an extended time or in sub freezing temperatures follow the instructions below 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet 2 Close the water
47. s the safety The safety interrupts power to the icemaker until the upper float switch opens Power is supplied to the pump motor as long as the lower float switch is closed For schematics see III B 2 C 100BAF Series with Optional Drain Pump HS 0248 and I11 B 3 e Optional Drain Pump HS 0248 Safety Shutdown Float Switch Cleaning Depending on local water conditions scale may build up on the float switch Scale on the switch can cause the float to stick In this case the float switch should be cleaned and checked 1 Move the power switch to the OFF position then unplug the unit from the electrical outlet WARNING Moving the power switch to the OFF position does not de energize the power supply to the pump The icemaker must be unplugged to de energize the power supply to the pump 2 Disconnect the vent hose from the upper rear panel See Fig 4 3 4 5 Leave the float switch assembly connected to the float switch cover and leave the float on the shaft Wipe down the float switch assembly with a mixture of 1 part recommended cleaner Hoshizaki Scale Away and 25 parts warm water Remove the upper rear panel then the lower rear panel Remove the reservoir cover from the drain pump assembly See Fig 5 6 Rinse the float switch assembly then replace the reservoir cover in its original position gt Upper Rear Panel Reservoir Cover ae lea Hose Float Switch Assembly TN gt Z
48. side wall 1 Use Hoshizaki Scale of evaporator freezing Away solution to clean cylinder periodically See VI A Cleaning and Sanitizing Instructions If the water is found hard by testing install a softener 2 Low refrigerant 2 Check for leaks with a pressures leak detector Check charge Recover repair replace drier evacuate and recharge See V A Service for Refrigerant Lines a Water Supply 1 Water pressure too 1 Install a pressure reducing high valve operation and replace specifications correct b Gear Motor Protector 1 Defective 1 Check and replace c Auger 1 Bearings or auger 1 Replace bearings or worn out auger See V C 1 Upper Bearing Wear Check d Gear Motor 1 Bearing or gear worn 1 Replace gear motor out or damaged e Bin Control Thermostat 1 Bad contacts 1 Check for continuity Assembly with and replace See integrated heater V F Removal and Replacement of Bin Control Thermostat Assembly 23 D Optional Drain Pump HS 0248 1 Overview As ice melts water drains from the storage bin into the drain pump reservoir When the drain pump s lower float switch closes the pump motor energizes and pumps out the water If water cannot be pumped out of the drain pump reservoir due to a blocked discharge hose bad check valve or bad pump motor the upper float switch closes as the water level in the pump rises When the upper float switch closes this activate
49. ted or a freeze up condition occurs the decrease in suction line temperature causes the suction temperature safety to open and shut down the icemaker See the table below for suction temperature safety cut out cut in temperatures Suction Temperature Safety 23 9 F 2 7 F 4 5 C 1 5 C 29 0 F 2 7 F 1 5 C 1 5 C S SUCTION s POWER TEMP SWITCH HH SAFETY gR CONTROL ap E w a BK HS 0248 OPTIONAL DRAIN PUMP CONNECTION GEAR MOTOR BR 1 PROT ai ag 3 external R ee overload NQ 5 2 4 3 0A JUMPER 115 60 1 GY CY wy w GEAR MOTOR BK GR OVERLOAD GEAR RD l internal K MOTOR GY R 7 BR BROWN lt a Y DBU BR BROWN BU BLUE 3 BK BK GR GREEN D COMP 0 GY GRAY YE OVERLOAD CAP LBU LIGHT BLUE external 10 MED O ORANGE r w P PINK R RED motor B V VIOLET W WHITE W W G v c Y YELLOW 4 C 100BAF Series 14 d Gear Motor Protector external overload Shutdown If gear motor amperage exceeds 2 4 3 0 amps the gear motor protector external overload operates independently to turn off the gear motor The gear motor external overload can be manually reset by pressing the switch on the control box SUCTION SiN TEMP POWER SAFETY pa CONTROL BR BK L BR SWITCH BR BK HS 0248 OPTIONAL DRAIN PUMP CONNECTION JUMPER
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