Instruction Manual Crescent Cube Icemaker / Dispenser Models DKM-500BAJ, 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 • Do not make any alterations to the appliance. Alterations could result in electric shock, injury, fire, or damage to the appliance. • The 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.
I. Specifications A. Electrical and Refrigerant Data The rating label and nameplate provide electrical and refrigerant data. The rating label can be seen by removing the front panel. The nameplate is located on the rear panel. For certification marks, see the nameplate. We reserve the right to make changes in specifications and design without prior notice. Model Number AC Supply Voltage Amperes Design Pressure Refrigerant DKM-500BAJ 115/60/1 13.5 AMPS HI-467PSI LO-170PSI 404A 1 LB. 12.2 OZ.
B. Dimensions/Connections Unit: mm [in.] 1.
Unit: mm [in.] 2.
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 • 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 shipping carton, tape, and packing material. If any are left in the appliance, it will not work properly. • See the nameplate on the rear panel, and check that your voltage supplied corresponds with the voltage specified on the nameplate.
C. How to Remove Panels See Fig. 1 • Front Panel: Remove the screw, lift up and slightly towards you. Disconnect the connector from the control box. • Top Panel: Lift up at front slightly, push rearward, and lift off. • Side Panels (R1 and L1): Remove the top panel. Remove the screw. Slide forward slightly, and lift off. • Side Panels (lower): Remove the top panel. Remove the screws and lift off. • Top and Front Instulation Panels: Remove the top panel. Remove side panel (L1), then lift up and out.
D. Setup 1) Install the leg protectors to the 4 adjustable legs, then attach the legs to the bottom of the icemaker. See Fig. 2. 2) Position the icemaker in the selected permanent location. 3) Level the icemaker in both the left-to-right and front-to-rear directions. Adjust the legs to make the icemaker level. 4) NOTICE! If the normal operating ambient temperature is above 90°F (32°C), remove the compressor insulation cover.
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. 3 through 5 WARNING Water supply and drain connections must be installed in accordance with applicable national, state, and local regulations. NOTICE • 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 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 3/8" 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 3/8" 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 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 icemaker is turned off, wait for at least 3 minutes before restarting the icemaker to prevent damage to the compressor. • The pump motor is energized continuously when the control switch is in the "SERVICE" position. • At startup, confirm that all internal and external connections are free of leaks.
13) Clean the storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning. 14) Reconnect the bin control connector. 15) Plug the icemaker back in. Move the control switch to the "ICE" position to start the automatic icemaking process. 16) To confirm bin control operation, press and hold the bin control's actuator paddle during the first 5 minutes of the freeze cycle. The icemaker should shut down in approximately 5 seconds. 17) Replace the bin cover in its correct position.
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 service switch with damp hands. • Move the control switch to the "OFF" position and unplug the unit from the electrical outlet before servicing.
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 icemaker, do not use ammonia type cleaners. • Carefully follow any instructions provided with the bottles of cleaning and sanitizing solution.
4) Remove the front panel and disconnect the connector from the control box. 5) Move the service switch on the control box to the "DRAIN" position, then move the control switch to the "SERVICE" position. 6) Replace the front panel in its correct position and allow the icemaker to drain for 2 minutes. 7) Remove the front panel and move the control switch to the "OFF" position. Unplug the icemaker from the electrical outlet. 8) Disconnect the bin control connector.
2. Sanitizing Procedure – Icemaker 1) Dilute 1.0 fl. oz. (30 ml or 2 tbs) of a 5.25% sodium hypochlorite solution (chlorine bleach) with 2 gal. (7.6 l) of warm water. 2) Pour the sanitizing solution into the water tank. 3) Move the service switch to the "WASH" position, then move the control switch to the "SERVICE" position to start the sanitizing process. Replace the front panel in its correct position. 4) After 15 minutes, remove the front panel and move the service switch to the "DRAIN" position.
5) Plug the icemaker back in. Move the control switch to the "ICE" position to start the automatic icemaking process. 6) Reconnect the connector from the front panel to the control box and replace the front panel in its correct position.
IV. Preparing the Appliance for Periods of Non-Use NOTICE • When storing the appliance for an extended time or in sub-freezing temperatures, follow the instructions below to prevent damage. • The pump motor is energized continuously when the control switch is in the "SERVICE" position. When the icemaker is not used for two or three days under normal conditions, it is sufficient to move the control switch to the "OFF" position.
2. On water-cooled model, remove the water from the water-cooled condenser: 1) Make sure the control switch is in the "OFF" position and the icemaker is unplugged. 2) Remove the left side panel. 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. 4) Open the condenser water supply line drain valve. If connected to a closed loop system, also open the condenser return 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.
