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Hoshizaki C-100BAF, Service Manual

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Hoshizaki C-100BAF Service Manual Download Page 21

21

B. Wiring Diagram

1. Icemaker

a) Auxiliary Codes A-1 and Earlier

(3W)

(external 
protector 
2.4~3.0A)

b) Auxiliary Codes A-2 and Later

 C-100BAF Series

(3W)

(internal 
protector)

(external 
protector)

(90-second fill timer 
(low water safety))

WIRE COLOR CODE

WIRE COLOR CODE

(external 
protector)

(internal 
protector)

(external 
protector 
2.4~3.0A)

(low water/
freeze-up 
safety)

Summary of Contents for C-100BAF

Page 1: ...Superior Degree of Reliability www hoshizaki com Models C 100BAF C 100BAF DS C 100BAF AD C 100BAF ADDS Self Contained Cubelet Hoshizaki America Inc Number 73180 Issued 10 6 2010 Revised 1 9 2012 SERV...

Page 2: ...ue to improper installation is not covered under warranty Hoshizaki provides this manual primarily to assist qualified service technicians in the service of the icemaker Should the reader have any que...

Page 3: ...Refrigeration Circuit 19 1 Auxiliary Codes A 1 and Earlier 19 2 Auxiliary Codes A 2 and Later 20 B Wiring Diagram 21 1 Icemaker 21 a Auxiliary Codes A 1 and Earlier 21 b Auxiliary Codes A 2 and Later...

Page 4: ...R 134a 38 B Important Notes for Component Replacement 39 C Removal and Replacement of Evaporator Assembly Components 40 1 Upper Bearing Wear Check 41 2 Removal and Replacement of Extruding Head 42 3...

Page 5: ...ower supply of proper capacity See the nameplate for electrical specifications Failure to use an independent power supply of proper capacity can result in a tripped breaker blown fuse damage to existi...

Page 6: ...drain pump HS 0248 test its operation every time the icemaker is cleaned and sanitized See IV E 2 Drain Pump Check for details If the optional drain pump is not operating properly water could back up...

Page 7: ...nized Steel Rear WEIGHT Net 108 lbs 49 kg Shipping 120 lbs 54 kg CONNECTIONS ELECTRIC Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 1 2 FPT ICE MAKING SYSTEM Auger type HARVESTING SYSTEM Dir...

Page 8: ...lvanized Steel Rear WEIGHT Net 108 lbs 49 kg Shipping 120 lbs 54 kg CONNECTIONS ELECTRIC Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 1 2 FPT ICE MAKING SYSTEM Auger type HARVESTING SYSTEM...

Page 9: ...Net 108 lbs 49 kg Shipping 120 lbs 54 kg CONNECTIONS ELECTRIC Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 1 2 FPT ICE MAKING SYSTEM Auger type HARVESTING SYSTEM Direct Drive Auger 80W Gea...

Page 10: ...Rear WEIGHT Net 108 lbs 49 kg Shipping 120 lbs 54 kg CONNECTIONS ELECTRIC Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 1 2 FPT ICE MAKING SYSTEM Auger type HARVESTING SYSTEM Direct Drive Au...

Page 11: ...zed Steel Rear WEIGHT Net 104 lbs 47 kg Shipping 115 lbs 52 kg without pallet CONNECTIONS ELECTRIC Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 1 2 FPT ICE MAKING SYSTEM Auger type HARVESTI...

Page 12: ...eel Galvanized Steel Rear WEIGHT Net 104 lbs 47 kg Shipping 115 lbs 52 kg without pallet CONNECTIONS ELECTRIC Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 1 2 FPT ICE MAKING SYSTEM Auger ty...

Page 13: ...04 lbs 47 kg Shipping 115 lbs 52 kg without pallet CONNECTIONS ELECTRIC Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 1 2 FPT ICE MAKING SYSTEM Auger type HARVESTING SYSTEM Direct Drive Auge...

Page 14: ...EIGHT Net 104 lbs 47 kg Shipping 115 lbs 52 kg without pallet CONNECTIONS ELECTRIC Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 1 2 FPT ICE MAKING SYSTEM Auger type HARVESTING SYSTEM Direct...

Page 15: ...scharge Opening Bin Control Thermostat Bulb Slope C 100BAF AD Shown C 100BAF AD Shown Bin Control Thermostat Inlet Water Valve Water Reservoir Float Switch Compressor Evaporator Assembly Gear Motor Dr...

Page 16: ...ew Gear Motor Spline Coupling Housing and Lower Bearing O Ring Mechanical Seal Cylinder Auger Extruding Head and Upper Bearing Cutter motionless Insulation Socket Head Cap Screw with Washer Hex Head B...

Page 17: ...pump HS 0248 b Bin Control Thermostat Shutdown Ice fills storage bin to level of BC BC opens within 10 seconds after ice contact When BC opens BCH remains energized GM FM CR and Comp de energize When...

Page 18: ...energizes depending on ambient and water conditions F S controls WV to refill as needed during the freeze cycle The freeze cycle continues until BC shuts down the icemaker or power is turned off to t...

Page 19: ...xiliary Codes A 1 and Earlier Drier Condenser Fan Motor Condenser Compressor Float Operated Inlet Water Valve Water Reservoir Water Level Suction Temperature Safety Gear Motor Evaporator Assembly Wate...

Page 20: ...or Condenser Compressor Float Switch Water Reservoir Water Level Gear Motor Evaporator Assembly Water Inlet Water Supply Capillary Tube Overflow Hoses Suction Discharge Inlet Water Valve 2 Auxiliary C...

Page 21: ...al protector 2 4 3 0A b Auxiliary Codes A 2 and Later C 100BAF Series 3W internal protector external protector 90 second fill timer low water safety WIRE COLOR CODE WIRE COLOR CODE external protector...

Page 22: ...emaker 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 c...

Page 23: ...38 129 9 1 167 11 7 183 12 9 70 21 12 0 8 13 0 9 15 1 1 80 27 13 0 9 15 1 1 16 1 1 90 32 13 0 9 17 1 2 18 1 3 PSIG kg cm2 G 100 38 13 0 9 17 1 2 19 1 3 310 310 309 312 316 316 316 308 Evaporator Outl...

Page 24: ...ch 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 prod...

Page 25: ...If not check the power switch STS BC assembly GM external protector GM windings check when GM is cool GM capacitor voltage to FM FM windings fan blade binding voltage on CR PTC relay voltage on Comp...

Page 26: ...o a neutral W wire for 115VAC If 115VAC is not present WCR is either energized or bad If WCR is energized check F S See IV D 1 Float Switch Check If 115VAC is present check for continuity through WV s...

Page 27: ...check BC See IV C Bin Control Check Legend BC bin control thermostat BCH bin control heater Comp compressor CR compressor relay FM fan motor F S float switch FT 90 second fill timer low water safety i...

Page 28: ...tch Cleaning After cleaning F S check UF S and LF S again Replace if necessary 7 Plug the unit into the electrical outlet then move the power switch to the ON position and let the reservoir fill 8 Onc...

Page 29: ...part Hoshizaki Scale Away and 25 parts warm water Rinse the assembly thoroughly with clean water 5 While not necessary the floats can be removed from the shaft during cleaning If you remove them note...

Page 30: ...valve If DP contains an internal check valve do not install an external check valve and vice versa See Fig 6 Legend DP drain pump LF S lower float switch UF S upper float switch 2 Drain Pump Check If...

Page 31: ...rgizes d If water now pumps out properly and DP de energizes proceed to step 6 If water still does not pump out properly and or DP does not de energize follow the steps in IV E 3 Float Switch Cleaning...

Page 32: ...nd reservoir 7 Clean the mating surfaces of the reservoir cover and reservoir Place silicone caulk around the perimeter of the reservoir cover where it contacts the reservoir then replace the reservoi...

Page 33: ...ed with ice b Ambient temperature too cool c Out of position d Out of adjustment See IV C Bin Control Check e Bad contacts f Bad thermostat heater if applicable 4 Optional Drain Pump HS 0248 Safety a...

Page 34: ...s Shutdown 1 Bin Control Thermostat Assembly with integrated heater NOTICE Some units contain a sticker that states The bin control heater has been disconnected DO NOT reconnect the bin control heater...

Page 35: ...ed and not allowing water valve to energize b Defective 3 Inlet Water Valve a Screen or orifice clogged b Coil winding open 4 Float Switch See IV D Float Switch Check and Cleaning a Float does not mov...

Page 36: ...arge or overcharged b Refrigerant lines or components restricted 10 Water System a Water leaks Shutdown 1 Bin Control Thermostat Assembly with integrated heater a Out of position b Out of adjustment S...

Page 37: ...using nitrogen gas 140 PSIG DO NOT use R 134a as a mixture with pressurized air for leak testing NOTICE Always recover the refrigerant and store it in an approved container Do not discharge the refrig...

Page 38: ...has been made 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 t...

Page 39: ...r 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 po...

Page 40: ...Gear Motor Spline Coupling Mechanical Seal Spring Retainer Socket Head Cap Screw O Ring Fig 9 Drain Hose Connection Evaporator Flange Packing Reservoir Hose Connection Spout Socket Head Cap Screw with...

Page 41: ...and housing 8 Replace the removed parts and panels in the reverse order of which they were removed 9 Plug the unit into the electrical outlet then move the power switch to the ON position to start the...

Page 42: ...s 10 Remove the cutter and packing 11 Remove the socket head cap screws securing the extruding head and evaporator flange then lift off 12 Place the evaporator flange and new extruding head in place t...

Page 43: ...er 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 mech...

Page 44: ...ap 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 caref...

Page 45: ...the icemaker to operate until the gear motor starts Check for water leaks 29 Move the power switch to the OFF position then unplug the unit from the electrical outlet 30 Replace the removed parts and...

Page 46: ...r 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 N...

Page 47: ...ined replace the drain hose drain plug and drain clamp in their original positions 10 Remove the bolts securing the lower housing to the gear motor Lift the evaporator up slightly 11 Remove the bolts...

Page 48: ...warranty coverage Move the power switch to the OFF position then unplug the unit from the electrical outlet before servicing To reduce the risk of electric shock do not touch the power switch or plug...

Page 49: ...VI B Cleaning and Sanitizing Instructions Evaporator Condensate Drain Pan and Gear Motor Drain Pan Wipe down with clean cloth and warm water Optional Drain Pump HS 0248 Test as outlined in IV E 2 Drai...

Page 50: ...ker a Cleaning Solution Dilute 1 6 fl oz 47 ml or 3 2 tbs of Hoshizaki Scale Away with 1 qt 1 l of warm water This is a minimum amount Make more solution if necessary IMPORTANT For safety and maximum...

Page 51: ...oir 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 com...

Page 52: ...ps coming out move the power switch to the OFF position Unplug the unit from the electrical outlet e Sanitizing Procedure Final 1 Remove the drain plug to drain any remaining solution 2 After all of t...

Page 53: ...4 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...

Page 54: ...cale Away with 1 qt 1 l of warm water This is a minimum amount Make more solution if necessary IMPORTANT For safety and maximum effectiveness use the solution immediately after dilution b Cleaning Pro...

Page 55: ...mbly is completely full Replace the spout in its correct position 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 o...

Page 56: ...oming out move the power switch to the OFF position Unplug the unit from the electrical outlet e Sanitizing Procedure Final 1 Remove the drain plug to drain any remaining solution 2 After all of the s...

Page 57: ...rocedure once every 3 months or as often as necessary for conditions NOTICE If the storage bin drain becomes clogged water could build up in the bin and overflow leading to costly water damage 1 Move...

Page 58: ...e power switch to the OFF position then unplug the unit from the electrical outlet 2 Remove the 2 screws securing the front panel then remove the panel See Fig 17 3 Remove the 2 screws securing the lo...

Page 59: ...door from hinge A See Fig 15 4 Remove the 2 screws securing the top panel then lift it off 5 Remove all ice from the storage bin 6 Remove the screws securing the upper rear panel then remove it 7 Remo...

Page 60: ...isposal This unit contains refrigerant and must be disposed of in accordance with applicable national state and local codes and regulations Refrigerant must be recovered by properly certified service...

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