Instruction Manual Self-Contained Crescent Cuber Models KM-231BAJ KM-301BAJ, BWJ hoshizakiamerica.
WARNING Only qualified service technicians should install and service the appliance. To obtain the name and phone number of your local Hoshizaki Certified Service Representative, visit www.hoshizaki.com. No installation or service should be undertaken until the technician has thoroughly read this Instruction Manual. Likewise, the owner/manager should not proceed to operate the appliance until the installer has instructed them on its proper operation.
IMPORTANT This manual should be read carefully before the appliance is installed and operated. Read the warnings and guidelines contained in this manual carefully as they provide essential information for the continued safe use and maintenance of the appliance. Retain this manual for any further reference that may be necessary. CONTENTS Important Safety Information.................................................................................................. 4 I. Specifications..........................
Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, damage to the appliance, or damage to property. WARNING Indicates a hazardous situation which could result in death or serious injury. NOTICE Indicates a situation which could result in damage to the appliance or property. IMPORTANT Indicates important information about the installation, use, and care of the appliance.
WARNING, continued • This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. • Children should be properly supervised around the appliance. • Do not climb, stand, or hang on the appliance or allow children or animals to do so.
I. Specifications A. Electrical and Refrigerant Data The nameplate provides electrical and refrigerant data. The nameplate is located inside the bottom front of the right side panel (behind the louver). For certification marks, see the nameplate. We reserve the right to make changes in specifications and design without prior notice. Model Number KM-301BAJ KM-301BWJ AC Supply Voltage 115/60/1 115/60/1 115/60/1 Amperes 8.4 AMPS HI-450PSI LO-210PSI 404A 13.4 oz. 5.7 AMPS HI-450PSI LO-210PSI 404A 12.
B. Dimensions/Connections 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.
2. KM-301BAJ 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.
3. KM-301BWJ 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.
II. Installation and Operating Instructions WARNING • The appliance must be installed in accordance with applicable national, state, and local codes and regulations. • Failure to install, operate, and maintain the appliance in accordance with this manual will adversely affect safety, performance, component life, and warranty coverage and may result in costly water damage. • CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after installation.
B. Checks Before Installation NOTICE • Remove all shipping cartons, tape, and packing material. If any are left in the appliance, it will not work properly. • Remove the shipping tape holding the door and separator. See Fig. 1. • Visually inspect the exterior of the shipping container and immediately report any damage to the carrier. Upon opening the container, any concealed damage should also be immediately reported to the carrier. • Remove the package containing the accessories.
D. Setup NOTICE • Do not place more than 33 lb. (15 kg) on the top panel. • Do not use the frame to lift the appliance. Lift the appliance from the base. • Handle the appliance carefully to avoid damaging the exterior. 1) Unpack the appliance, and remove all shipping cartons, tape, and packing material BEFORE operating the unit. 2) Position the appliance in its permanent location. 3) Level the appliance in both the left-to-right and the front-to-rear directions (when installed with or without legs).
E. Electrical Connection WARNING • Electrical connection must meet national, state, and local electrical code requirements. Failure to meet these code requirements could result in death, electric shock, serious injury, fire, or damage. • The appliance requires an independent power supply of proper capacity. See the nameplate for electrical specifications.
F. Water Supply and Drain Connections See Figs. 4 through 6 WARNING Water supply and drain connections must be installed in accordance with applicable national, state, and local regulations. NOTICE • Normal operating water temperature should be within 45°F to 90°F (7°C to 32°C). Operation of the appliance, for extended periods, outside of this normal temperature range may affect appliance performance. • Water supply pressure must be a minimum of 10 PSIG and a maximum of 113 PSIG.
1. Icemaker Icemaker Water Supply Inlet 1/2" Female Pipe Thread (FPT) Minimum Icemaker Water Supply Line Size 1/4" Nominal ID Copper Water Tubing or Equivalent Icemaker Drain Outlet 3/4" Female Pipe Thread (FPT) Minimum Icemaker Drain Line Size 3/4" Nominal ID Hard Pipe or Equivalent • An icemaker water supply line shut-off valve and drain valve must be installed. • Be sure there is sufficient extra water supply line and drain line for the appliance to be pulled out for service.
2. Water-Cooled Condenser a) Connection to an Open Drain System Condenser Water Supply Inlet 1/2" Female Pipe Thread (FPT) Minimum Condenser Water Supply Line Size 1/4" Nominal ID Copper Water Tubing or Equivalent Condenser Drain Outlet 1/2" Female Pipe Thread (FPT) Minimum Condenser Drain Line Size 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 the cooling water circuit.
b) Connection to a Closed Loop System Condenser Water Supply Inlet 1/2" Female Pipe Thread (FPT) Minimum Condenser Water Supply Line Size 1/4" Nominal ID Copper Water Tubing or Equivalent Condenser Return Outlet 1/2" Female Pipe Thread (FPT) Minimum Condenser Return Line Size 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.
G. Final Checklist WARNING CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after installation. Make sure that none have fallen into the ice storage bin.
H. Startup WARNING All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. NOTICE • If the appliance is turned off, wait for at least 3 minutes before restarting the appliance to prevent damage to the compressor. • To prevent damage to the water pump, do not leave the control switch in the “SERVICE" position for extended periods of time when the water tank is empty.
16) To confirm bin control operation, press the bin control’s actuator paddle during 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.
III. Maintenance The appliance must be maintained in accordance with the instruction manual and labels provided. Consult with your local Hoshizaki Certified Service Representative about maintenance service. WARNING • Only qualified service technicians should service the appliance. • 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 unplugging the appliance.
B. Cleaning and Sanitizing Instructions The appliance must be cleaned and sanitized at least once a year. More frequent cleaning and sanitizing may be required in some water conditions. WARNING • To prevent injury to individuals and damage to the appliance, do not use ammonia type cleaners. • Carefully follow any instructions provided with the bottles of cleaning and sanitizing solution.
13) Move the service switch to the “DRAIN" position, then move the control switch to the “SERVICE" position. 14) Repeat steps 9 through 13 three more times to rinse thoroughly. 15) After 2 minutes, move the control switch to the “OFF" position. 16) Disconnect the overflow pipe. Next, remove the water tank by removing the two thumbscrews and pulling the tank towards you slightly and pushing it down. Be careful to avoid breakage when handling the parts. See Fig. 8.
Cube Guides Water Tank * The bin control switch is accessible by removing the water tank. Fig. 9 Float Switch Fig.
2. Sanitizing Procedure - Following Cleaning Procedure 1) Dilute approximately 0.31 fl. oz. (9.2 ml) of an 8.25% sodium hypochlorite 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. 2) Soak the removed parts from step 19 above in a clean container containing the sanitizing solution. After allowing the parts to soak for 10 minutes, wash them with the solution.
IV. Preparing the Appliance for Periods of Non-Use NOTICE • During extended periods of non-use, extended absences, or in sub-freezing temperatures, follow the instructions below to reduce the risk of costly water damage. • To prevent damage to the water pump, do not leave the control switch in the “SERVICE" position for extended periods of time when the water tank is empty. During extended periods of non-use, extended absences, or in sub-freezing temperatures, follow the instructions below.
3. On water-cooled model only, remove the water from the water-cooled condenser: 1) Make sure the control switch s in the “OFF" position and the appliance is unplugged from the electrical outlet. 2) Remove the top and left side panels. 3) Close the condenser water supply line shut-off valve. If connected to a closed loop system, also close the condenser return line shut-off valve. See Fig. 5 or 6. 4) Open the condenser water supply line drain valve.
V. Disposal 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.
618 Hwy. 74 South, Peachtree City, GA 30269 USA (P) 770.487.2331 (F) 770.487.3360 hoshizakiamerica.
