Hoshizaki Hoshizaki America, Inc. Modular Crescent Cuber Models KMD-410MAH KMD-410MWH “A Superior Degree of Reliability” INSTRUCTION MANUAL www.hoshizaki.
IMPORTANT Only qualified service technicians should install, service and maintain the product. No installation, service or maintenance should be undertaken until the technician has thoroughly read this Instruction Manual. Likewise, the owner/manager should not proceed to operate the product until the installer has instructed them on its proper operation.
IMPORTANT This manual should be read carefully before the product is installed and operated. Only qualified service technicians should install, service, and maintain the product. 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 PAGE Important Safety Information ---------------------------------------------------------------------------3 I.
Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, or damage to the unit. WARNING Indicates a hazardous situation which could result in death or serious injury. NOTICE Indicates a situation which could result in damage to the unit or property. IMPORTANT Indicates important information about the use and care of the unit.
I. Specifications A. Electrical Data 1. KMD-410MAH (air-cooled) 2. KMD-410MWH (water-cooled) For certification marks, see the nameplate on the left or right side panel. For certification marks, see the nameplate on the left or right side panel. The nameplate provides electrical and refrigerant data. The nameplate is located on the left or right side panel. We reserve the right to make changes in specifications and design without prior notice.
B. Dimensions/Connections 1.
2.
II. Installation and Operating Instructions WARNING 1. Install in accordance with all applicable national, state, and local codes and regulations. 2. CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after installation. Make sure that none have fallen into the dispenser unit/storage bin. A. Checks Before Installation NOTICE Remove all shipping cartons, tape, and packing material. If any are left in the icemaker, it will not work properly.
B. How to Remove Panels - See Fig. 1 • Front Panel: Loosen the screws. Lift up and towards you. • Top Panel: Lift up at front slightly, push rearward and lift off. • Side Panel (R): Remove the screw. Slide forward slightly and lift off. • Front Insulation: Lift up slightly, and pull towards you. • Top Insulation: Push up at front corner, and pop off. Top Panel Top Insulation Side Frame Front Insulation Front Panel Screw Side Panel Screws Fig. 1 C. Location NOTICE 1.
2. This icemaker will not work at sub-freezing temperatures. To prevent damage to the water supply line, drain the icemaker when the air temperature is below 32°F (0°C). See “III. C. Preparing the Icemaker for Long Storage.” For best operating results: • Icemaker should not be located next to ovens, grills, or other high heat producing equipment. • Avoid choosing a site where no dripping is allowed.
E. Bin Control Installation 1) Remove the front panel, then remove the front insulation. Float Switch Connector 2) Loosen the two thumbscrews securing the pump motor bracket. Discharge Hose See Fig. 3. Pump Motor Connector 3) Disconnect the discharge hose. 4) D i s c o n n e c t t h e p u m p m o t o r connector and float switch connector from the side of the control box. Snap Tab Thumbscrews Pump Motor Bracket Fig.
7) While pulling up the bin control lead, hook the bin control on the right side interior wall. Then push the bin control up against the bottom of the unit, and slide to the back until it snaps in place. Make sure the slotted holes at the right side of the bin control are securely placed on the collars at the bottom of the unit. See Fig. 6. Collars Bin Control Fig. 6 NOTICE Make sure the bin control is securely in place. Otherwise, ice may get between gaps and damage the bin control.
11) Replace the water tank, cube guide, pump motor bracket, pump motor and float switch in their correct positions until they snap in place. NOTICE Be sure to let the discharge hose pass behind the copper tube and connect it securely in position. See Fig. 3. Otherwise, the discharge hose may be caught in the front insulation, leading to improper results. 12) Secure the pump motor bracket with the two thumbscrews. 13) Reconnect the pump motor connector and float switch connector.
G. Water Supply and Drain Connections - See Fig. 9, 10 or 11 WARNING Water supply and drain connections must be installed in accordance with applicable national, state, and local regulations. NOTICE 1. Normal operating water temperature should be within 45°F to 90°F (7°C to 32°C). Operation of the icemaker, for extended periods, outside of this normal temperature range may affect icemaker performance. 2.
1. Icemaker • Icemaker water supply inlet is 1/2” female pipe thread (FPT). A minimum of 1/4” nominal ID copper water tubing or equivalent is required for the icemaker water supply line. • An icemaker water supply line shut-off valve and drain valve should be installed. • Icemaker drain outlet is 3/4” FPT. A minimum of 3/4” nominal ID hard pipe or equivalent is required for the icemaker drain line.
2. Water-Cooled Condenser a) Connection to an Open Drain System • Condenser water supply inlet is 1/2” female pipe thread (FPT). A minimum of 1/4” nominal ID copper water tubing or equivalent is required for the condenser water supply line. • A condenser water supply line shut-off valve and drain valve should be installed. • Condenser drain outlet is 1/2” FPT. A minimum of 1/4” nominal ID hard pipe or equivalent is required for the condenser drain line.
b) Connection to a Closed Loop System • Condenser water supply inlet is 1/2” female pipe thread (FPT). A minimum of 1/4” nominal ID copper water tubing or equivalent is required for the condenser water supply line. • Condenser return outlet is 1/2” FPT. A minimum of 1/4” nominal ID copper water tubing or equivalent is required for the condenser return line. • Shut-off valves and drain valves should be installed at both the condenser water supply inlet and condenser return outlet.
H. 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 dispenser unit/storage bin.
I. Startup WARNING All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. NOTICE 1. If the unit is turned off, wait for at least 3 minutes before restarting the icemaker to prevent damage to the compressor. 2. 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. 3.
12) Replace the front panel in its correct position. 13) Clean the storage bin/dispenser unit liner using a neutral cleaner. Rinse thoroughly after cleaning. 14) Turn on the power supply to start the automatic icemaking process. 15) 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 should de-energize within 15 seconds, then the drain valve should energize until the water tank empties.
1. Cleaning Procedure 1) Dilute approximately 9.5 fl. oz. (281 ml) of Hoshizaki “Scale Away” with 1.8 gallon (6.8 lit.) of warm water. 2) Remove all ice from the evaporator and the storage bin/dispenser unit. Note: To remove cubes on the evaporator, turn off the power supply and turn it on after 3 minutes. The harvest cycle starts and the cubes will be removed from the evaporator. 3) Turn off the power supply. 4) Remove the front panel and move the control switch to the “SERVICE” position.
NOTICE Be sure to let the discharge hose pass behind the copper tube and connect it securely in position. See Fig. 12. Otherwise, the discharge hose may be caught in the front insulation, leading to improper results. Float Switch Connector Discharge Hose Pump Motor Connector Snap Tab Thumbscrews Pump Motor Bracket Fig. 12 Pump Motor Float Switch Cube Guide Snap Tab Fig. 13 9) Pour the cleaning solution into the water tank. 10) Move the service switch to the "WASH" position.
12) Turn on the power supply to start the washing process. 13) Turn off the power supply after 30 minutes. 14) Remove the front panel. 15) Move the service switch to the "DRAIN" position. 16) Replace the front panel in its correct position and turn on the power supply for 2 minutes. 17) Turn off the power supply and remove the front panel. 18) Move the control switch to the "ICE" position. 19) Replace the front panel in its correct position. 20) Turn on the power supply to fill the water tank with water.
2. Sanitizing Procedure - Following Cleaning Procedure 1) Dilute a 5.25% sodium hypochlorite solution (chlorine bleach) with water (add approximately 0.9 fl. oz. (27 ml) to 1.8 gal. (6.8 lit.) of water). 2) Remove the front insulation. 3) Pour the sanitizing solution into the water tank. 4) Move the service switch to the "WASH" position. 5) Replace the front insulation and the front panel in their correct positions. 6) Turn on the power supply to start the sanitizing process.
B. Maintenance This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. WARNING 1. Only qualified service technicians should service this icemaker. 2. Move the control switch to the “OFF” position and turn off the power supply before servicing. Lockout/Tagout to prevent the power supply from being turned back on inadvertently. 1. Stainless Steel Exterior To prevent corrosion, wipe the exterior occasionally with a clean, soft cloth.
C. Preparing the Icemaker for Long Storage NOTICE 1. When storing the icemaker for an extended time or in sub-freezing temperatures, follow the instructions below to prevent damage. 2. 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. 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.
12) Close the condenser water supply line drain valve. If connected to a closed loop system, also close the condenser return line drain valve. 2. Remove the water from the icemaker water supply line: 1) Turn off the power supply and remove the front panel. 2) Move the control switch on the control box to the “OFF” position. 3) Close the icemaker water supply line shut-off valve and open the icemaker water supply line drain valve. See Fig. 9, 10 or 11. 4) Allow the line to drain by gravity.
HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.
