Subscribe to Our Youtube Channel
Related Manuals for Hoshizaki KMD-450MAH
Summary of Contents for Hoshizaki KMD-450MAH
- Page 1 Hoshizaki Hoshizaki America, Inc. Modular Crescent Cuber Models KMD-450MAH KMD-450MWH INSTRUCTION MANUAL “A Superior Degree of Reliability” www.hoshizaki.com ™ Issued: 1-19-2009...
- Page 2 Should the reader have any questions or concerns which have not been satisfactorily addressed, please call, write, or send an e-mail message to the Hoshizaki Technical Support Department for assistance. HOSHIZAKI AMERICA, INC.
-
Page 3: Table Of Contents
Important Safety Information ... 4 I. Specifications ... 5 A. Nameplate Rating ... 5 1. KMD-450MAH (self-contained air-cooled) ... 5 2. KMD-450MWH (water-cooled) ... 6 B. Dimensions/Connections ... 7 1. KMD-450MAH ... 7 2. -
Page 4: Important Safety Information
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. CAUTION Indicates a situation which could result in damage to the unit. -
Page 5: Specifications
I. Specifications A. Nameplate Rating 1. KMD-450MAH (self-contained air-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER SERIAL NUMBER AC SUPPLY VOLTAGE COMPRESSOR PUMP OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER(USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY DESIGN PRESSURE REFRIGERANT... -
Page 6: Kmd-450Mwh (Water-Cooled)
2. KMD-450MWH (water-cooled) HOSHIZAKI ICE MAKER MODEL NUMBER SERIAL NUMBER AC SUPPLY VOLTAGE COMPRESSOR PUMP OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER(USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY DESIGN PRESSURE REFRIGERANT MOTOR-COMPRESSOR THERMALLY PROTECTED, ICE MAKER WITHOUT... -
Page 7: Dimensions/Connections
B. Dimensions/Connections 1. KMD-450MAH used. holes mounting when [3.98] 101.2 increases [0.98] lower Note:... -
Page 8: Kmd-450Mwh
2. KMD-450MWH used. holes mounting lower when [3.98] 101.2 increases [0.98] Note:... -
Page 9: Installation And Operating Instructions
(if applicable) turns freely. • Check that the compressor is snug on all mounting pads. • See the nameplate on the rear panel, and check that your voltage supplied corresponds with the voltage specified on the nameplate. • This icemaker can be installed on a dispenser unit or storage bin 30" wide or wider. The following are recommended: Hoshizaki Dispenser, Model DB-200 or DM series; Hoshizaki Ice Storage Bin, Model B-500 series. B. How to Remove Panels See Fig. 1 • Front Panel: Remove the screws. -
Page 10: Location
C. Location 1. This icemaker is not intended for outdoor use. Normal operating ambient temperature should be within 45°F to 100°F (7°C to 38°C); 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 these normal temperature ranges may affect icemaker performance. -
Page 11: Bin Control Installation
When installed on a standard Hoshizaki storage bin, either set of holes is acceptable. Route the bin control lead vinyl hose through the grommet as illustrated. Do not leave any slack in the ice drop zone. -
Page 12: Electrical Connection
11) Reconnect the pump motor connector and the float switch connector. 12) Replace insulation panel (B) in its correct position and secure with the 2 thumbscrews. 13) Replace insulation panel (A), the top insulation, and the exterior panels in their correct positions. -
Page 13: Water Supply And Drain Connections
10 PSIG. Do not run the icemaker until the proper water pressure is reached. • A plumbing permit and services of a licensed plumber may be required in some areas. • External filters, strainers, or softeners may be required depending on water quality. Contact your local Hoshizaki distributor for recommendations. • Water supply pressure should be a minimum of 10 PSIG and a maximum of 113 PSIG. If the pressure exceeds 113 PSIG, the use of a pressure reducing valve is required. • The icemaker drain line, dispenser unit/storage bin drain line, and water-cooled condenser drain line (if applicable) must be run separately. -
Page 14: Icemaker
Fig. 7 Icemaker Icemaker Water Supply Line Drain Valve Bin Drain Outlet 3/4" FPT KMD-450MAH Icemaker Water Supply Line Shut-Off Valve Separate piping to approved drain. Leave a two-inch (5 cm) vertical air gap between the end of each pipe and the drain. -
Page 15: Water-Cooled Condenser (If Applicable)
2. Water-Cooled Condenser (if applicable) a) Connection to an Open Drain System • Condenser water supply inlet is 1/2" female pipe thread (FPT). A minimum of 3/8" OD copper tubing is recommended 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 3/8" OD hard pipe is recommended for the condenser drain line. • In some areas, a back flow preventer may be required in the cooling water circuit. Icemaker Water Supply Inlet 1/2" FPT Condenser Water Supply Inlet 1/2" FPT Condenser Drain Outlet 1/2" FPT... - Page 16 b) Connection to a Closed Loop System • Condenser water supply inlet is 1/2" female pipe thread (FPT). A minimum of 3/8" OD copper tubing is recommended for the condenser water supply line. • Condenser return outlet is 1/2" FPT. A minimum of 3/8" OD hard pipe is recommended 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. • The water supply to the condenser should not drop below 4 GPM. • The pressure differential between the condenser water supply inlet and condenser return outlet must be no less than 10 PSIG. • When using a glycol blend, the solution mixture should be less than 30% glycol. • In order to maintain the proper high side pressure, the condenser water supply inlet temperature should not drop below 45°F (7°C) and the condenser return outlet temperature must be in the 104°F to 115°F (40°C to 46°C) range.
-
Page 17: Final Checklist
H. Final Checklist 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. 1) Is the icemaker level? 2) Is the icemaker in a site where the ambient temperature is within 45°F to 100°F (7°C to 38°C) and the water temperature within 45°F to 90°F (7°C to 32°C) all year around? 3) Is there at least 6" (15 cm) clearance at rear, left side, and top and 12" (30 cm) clearance at right side of the icemaker for proper air circulation and ease of... -
Page 18: Startup
I. Startup 1. All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. 2. If the icemaker is turned off, wait for at least 3 minutes before restarting the icemaker to prevent damage to the compressor. 3. -
Page 19: Cleaning And Maintenance
A. Cleaning and Sanitizing Instructions Hoshizaki recommends cleaning and sanitizing this unit at least once a year. More frequent cleaning and sanitizing, however, may be required in some existing water conditions. - Page 20 8) In bad or severe water conditions, clean the float switch as described below. Otherwise, continue to step 9. a. Remove the 2 thumbscrews securing insulation panel (B), then remove insulation panel (B). See Fig. 10. b. Disconnect the discharge hose, the drain valve drain hose, and the overflow drain hose.
-
Page 21: Sanitizing Procedure - Following Cleaning Procedure
17) Turn off the power supply, then 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. 21) Turn off the power supply after 3 minutes. 22) Remove the front panel. -
Page 22: Maintenance
15) Replace the front panel in its correct position. 16) Clean the dispenser unit/storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning. 17) Turn on the power supply to start the automatic icemaking process. B. Maintenance This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. -
Page 23: Preparing The Icemaker For Long Storage
C. Preparing the Icemaker for Long Storage 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. - Page 24 3) Open the condenser water supply line drain valve. If connected to a closed loop system, also open the condenser return line drain valve. 4) Attach a compressed air or carbon dioxide supply to the condenser water supply line drain valve. 5) Open the water regulating valve by using a screwdriver to pry up on the spring retainer underneath the spring.
- Page 25 HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.com 91A7BA10A...
Need help?
Do you have a question about the KMD-450MAH and is the answer not in the manual?
Questions and answers
Why My Ice machine is not stopping when the ice bin is full of ice
The Hoshizaki KMD-450MAH ice machine may not be stopping when the ice bin is full due to an issue with the bin control system. The actuator paddle should engage when the bin is full, opening the bin control switch and causing the "POWER OK" LED to flash. This should trigger a sequence where the water tank drains, and the unit shuts down. If the unit is not stopping, possible causes include:
1. Faulty Bin Control Switch – The switch may not be opening when the paddle is engaged.
2. Obstructed Actuator Paddle – The paddle may be stuck or blocked, preventing proper activation.
3. Delayed Shutdown – If the paddle is engaged during the freeze cycle after the short cycle protection timer, the unit will not shut down until the next harvest cycle is complete.
4. Control Board Issue – The control board may not be processing the bin control activation correctly.
A bin control check should be performed to verify proper operation.
This answer is automatically generated