Hoshizaki KM-301BAJ, Instruction Manual

Page 1: ...Models KM 231BAJ KM 301BAJ BWJ Self Contained Crescent Cuber Instruction Manual Issued 4 11 2019 hoshizakiamerica com ...

Page 2: ...er installation is the responsibility of the installer Product failure or property damage due to improper installation is not covered under warranty Hoshizaki provides this manual primarily to assist qualified service technicians in the installation maintenance and service of the appliance Should the reader have any questions or concerns which have not been satisfactorily addressed please call sen...

Page 3: ...mportant Safety Information 4 I Specifications 6 A Electrical and Refrigerant Data 6 B Dimensions Connections 7 1 KM 231BAJ 7 2 KM 301BAJ 8 3 KM 301BWJ 9 II Installation and Operating Instructions 10 A Location 10 B Checks Before Installation 11 C How to Remove Louver 11 D Setup 12 E Electrical Connection 13 F Water Supply and Drain Connections 14 G Final Checklist 18 H Startup 19 III Maintenance ...

Page 4: ...ions This icemaker requires an independent power 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 existing wiring or component failure This could lead to heat generation or fire THIS ICEMAKER MUST BE GROUNDED This icemaker is equipped with a NEMA 5 15 three pr...

Page 5: ...ollow the water supply drain connection and maintenance instructions carefully to reduce the risk of costly water damage In areas where water damage is a concern install in a contained area with a floor drain Install the appliance in a location that stays above freezing Normal operating ambient temperature must be within 45 F to 100 F 7 C to 38 C Do not leave the appliance on during extended perio...

Page 6: ...e louver For certification marks see the nameplate We reserve the right to make changes in specifications and design without prior notice Model Number KM 231BAJ KM 301BAJ KM 301BWJ AC Supply Voltage 115 60 1 115 60 1 115 60 1 Amperes 6 5 AMPS 8 4 AMPS 5 7 AMPS Design Pressure HI 450PSI LO 210PSI HI 450PSI LO 210PSI HI 450PSI LO 210PSI Refrigerant 404A 11 3 oz 404A 13 4 oz 404A 12 3 oz 6 ...

Page 7: ...tions 1 KM 231BAJ Unit mm inches NOTICE Allow at least 2 5 cm clearance at the right side for proper air circulation and at least 5 8 15 mm clearance at top for ease of maintenance and or service should they be required 7 ...

Page 8: ...1BAJ Unit mm inches NOTICE Allow at least 2 5 cm clearance at the right side for proper air circulation and at least 5 8 15 mm clearance at top for ease of maintenance and or service should they be required 8 ...

Page 9: ...1BWJ Unit mm inches NOTICE Allow at least 2 5 cm clearance at the right side for proper air circulation and at least 5 8 15 mm clearance at top for ease of maintenance and or service should they be required 9 ...

Page 10: ... Normal operating water temperature must be within 45 F to 90 F 7 C to 32 C Operation of the appliance for extended periods outside of these normal temperature ranges may affect appliance performance The appliance will not work at sub freezing temperatures To prevent damage to the water supply line drain the appliance if the air temperature is going to go below 32 F 0 C See IV Preparing the Applia...

Page 11: ... be immediately reported to the carrier Remove the package containing the accessories Remove the protective plastic film from the panels If the appliance is exposed to the sun or to heat remove the film after the appliance cools Check that refrigerant lines do not rub or touch lines or other surfaces and that the fan blade if applicable turns freely Check that the compressor is snug on all mountin...

Page 12: ...location 3 Level the appliance in both the left to right and the front to rear directions when installed with or without legs See Fig 2 4 If mounting flat to a counter seal the perimeter where the appliance contacts the counter with approved caulk compound in a smooth and easily cleanable manner 5 If installing the unit with legs on the bottom use the four accessory legs adjustable from 6 15 2 cm ...

Page 13: ...erly grounded independent 3 prong wall outlet Do not remove the ground prong from the plug and do not use an adapter plug Failure to properly ground the appliance could result in death or serious injury Do not use an extension cord To reduce the risk of electric shock do not touch the control switch or plug with damp hands Make sure the control switch is in the OFF position before plugging in or u...

Page 14: ...ressure is below 10 PSIG Do not run the appliance until the proper water pressure is reached External filters strainers or softeners may be required depending on water quality Contact your local Hoshizaki Certified Service Representative or local Hoshizaki distributor for recommendations A plumbing permit and services of a licensed plumber may be required in some areas The icemaker drain line and ...

Page 15: ...pply line and drain line for the appliance to be pulled out for service Fig 4 KM 231BAJ KM 301BAJ Icemaker Water Supply Inlet 1 2 FPT Icemaker Drain Outlet 3 4 FPT Shut off Valve To approved floor drain 2 5 cm air gap Drain Floor Be sure there is sufficient extra water supply line and drain line for the appliance to be pulled out for service Separate piping to approved drain Leave a 2 5 cm vertica...

Page 16: ...ndenser Water Supply Inlet Minimum Condenser Water Supply Line Size Condenser Drain Outlet Minimum Condenser Drain Line Size 1 2 Female Pipe Thread FPT 1 4 Nominal ID Copper Water Tubing or Equivalent 1 2 Female Pipe Thread FPT 1 4 Nominal ID Hard Pipe or Equivalent A condenser water supply line shut off valve and drain valve must be installed In some areas a back flow preventer may be required in...

Page 17: ...Female Pipe Thread FPT 1 4 Nominal ID Copper Water Tubing or Equivalent 1 2 Female Pipe Thread FPT 1 4 Nominal ID Copper Water Tubing or Equivalent Shut off valves and drain valves must be installed at both the condenser water supply inlet and condenser return outlet Minimum water flow to the condenser is 4 GPM The pressure differential between the condenser water supply inlet and condenser return...

Page 18: ...ater connections meet applicable national state and local code and regulation requirements 6 Has the power supply voltage been checked or tested against the nameplate rating Is the power supply a properly grounded independent 3 prong wall outlet 7 Are the water supply and drain lines sized as specified Are the water supply line shut off valve s and drain valve s installed Has the water supply pres...

Page 19: ... hands If you have to slide the appliance back for a built in installation make sure you do not damage or pinch the water supply line drain line or power cord 4 Move the control switch to the ICE position 5 Allow the appliance to operate for 5 minutes 6 Move the control switch to the SERVICE position Move the service switch to the WASH position 7 Allow the appliance to operate for 5 minutes 8 Move...

Page 20: ...the first 5 minutes of the freeze cycle The compressor and fan motor if applicable should de energize within 15 seconds then the drain valve should energize until the water tank empties After the water tank empties the pump motor and drain valve should de energize 17 Close the door 20 ...

Page 21: ...ng on water quality the appliance s environment and local sanitation regulations Maintenance Schedule Frequency Area Task Daily Scoop Clean the ice scoop using a neutral cleaner Rinse thoroughly after cleaning Bi Weekly Air Filters Inspect Wash with warm water and neutral cleaner if dirty Monthly External Water Filters Check for proper pressure and change if necessary Icemaker Exterior Wipe down w...

Page 22: ...water 2 Remove the louver Open the door and remove all ice from the evaporator and the ice storage bin Note To remove cubes on the evaporator move the control switch to the OFF position and move it back to the ICE position after 3 minutes The harvest cycle starts and the cubes will be removed from the evaporator 3 Move the control switch to the OFF position 4 Move the service switch to the DRAIN p...

Page 23: ...nd pushing it down Be careful to avoid breakage when handling the parts See Fig 8 17 Pull the cube guides quantity varies depending on model upward to remove them from the water tank They are snapped in place See Fig 9 18 Dilute 5 fl oz 148 ml of recommended cleaner Hoshizaki Scale Away with 1 gallon 3 8 lit of water 19 Wash the bin control switch water tank float switch cube guides and overflow p...

Page 24: ...Fig 9 The bin control switch is accessible by removing the water tank Cube Guides Water Tank Float Switch Fig 10 24 ...

Page 25: ...hlorite solution chlorine bleach with 1 gallon 3 8 lit of warm water Using a chlorine test strip or other method confirm that you have a concentration of about 200 ppm 6 Pour the sanitizing solution into the water tank and allow the sanitizer to sit for 10 minutes 7 Move the service switch to the WASH position then move the control switch to the SERVICE position 8 After 15 minutes move the control...

Page 26: ... has not already been removed 2 Move the control switch to the OFF position 3 Wait 3 minutes 4 Close the icemaker water supply line shut off valve and open the icemaker water supply line drain valve 5 Allow the line to drain by gravity 6 Attach compressed air or carbon dioxide supply to the icemaker water supply line drain valve 7 Move the control switch to the ICE position 8 Quickly blow the icem...

Page 27: ...ve If connected to a closed loop system also open the condenser return line drain valve 5 Attach a compressed air or carbon dioxide supply to the condenser water supply line drain valve 6 Open the water regulating valve by using a screwdriver to pry up on the spring retainer underneath the spring While holding the valve open blow out the condenser using the compressed air or carbon dioxide supply ...

Page 28: ...l The appliance 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 personnel 28 ...

Page 29: ...618 Hwy 74 South Peachtree City GA 30269 USA P 770 487 2331 F 770 487 3360 hoshizakiamerica com 1A5587 010 ...