Page 2
Should the reader have any questions or concerns which have not been satisfactorily addressed, please call, send an e-mail message, or write to the Hoshizaki Technical Support Department for assistance. Phone: 1-800-233-1940; (770) 487-2331 Fax: 1-800-843-1056;...
1. Air-Cooled Models (MAJ) ..................7 2. Water-Cooled Models (MWJ) ................... 8 3. Remote Models (MRJZ)................... 9 4. Remote Condenser Unit URC-9FZ (use with KMD-860MRJZ) ......10 II. Installation and Operating Instructions ................11 A. Location ........................11 B. Checks Before Installation ....................11 C.
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.
Page 5
WARNING, continued • 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. Serious injury could occur or the appliance could be damaged. • Do not use combustible spray or place volatile or flammable substances near the appliance.
B. Dimensions/Connections Units: mm [in.] 1. Air-Cooled Models (MAJ) Rear Side Model Shown: KMD-860MAJ KMD-860MAJ Model Shown: KMD-860MAJ A 768 [30-1/4] B 762 [30] Bottom C 80 [3-1/8] D 713 [28-1/8] E 662 [26-1/8] F 660 [26] G 170 [6-3/4] H 28 [1-1/8] 14 [1/2] J 499 [19-5/8]...
2. Water-Cooled Models (MWJ) Units: mm [in.] Rear Side Model Shown: KMD-860MWJ KMD-860MWJ Model Shown: KMD-860MWJ A 768 [30-1/4] B 762 [30] Bottom C 80 [3-1/8] D 713 [28-1/8] E 662 [26-1/8] F 660 [26] G 176 [6-7/8] H 28 [1-1/8] 14 [1/2] J 499 [19-5/8] K 394 [15-1/2]...
3. Remote Models (MRJZ) Units: mm [in.] Rear Side DATA PENDING Model Shown: KMD-860MRJZ KMD-860MRJZ A 768 [30-1/4] Model Shown: KMD-860MRJZ B 762 [30] Bottom C 80 [3-1/8] D 713 [28-1/8] E 640 [25-1/4] F 660 [26] G 170 [6-3/4]...
4. Remote Condenser Unit URC-9FZ (use with KMD-860MRJZ) Units: mm [in.] NOTICE Allow 24" (61 cm) clearance at front and rear for proper air circulation and ease of maintenance and/or service should they be required. URC-9FZ Heat of Rejection AT 90°F (32°C) Icemaker Model WT 70°F (21°C)
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.
• NOTICE! Remote models must be connected to an appropriate remote condenser unit. The remote condenser unit listed below is recommended. Connection to a different remote condenser unit will void the warranty unless Hoshizaki approves a different remote condenser unit for your specific application. For further details, contact your local Hoshizaki distributor.
(bin accessory) to the bottom of the ice storage bin. 2) Position the dispenser unit/ice storage bin in its permanent location. 3) If required, install an adapter kit or top kit. Contact your local Hoshizaki distributor for recommendations. 4) Level the dispenser unit/ice storage bin in both the left-to-right and front-to-rear directions.
E. Electrical Connection WARNING For All Models • Electrical connection must be hard-wired and 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. •...
• 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.
1. Icemaker Icemaker Water Minimum Icemaker Icemaker Drain Minimum Icemaker Condensation Supply Inlet Water Supply Line Size Outlet Drain Line Size Drain Outlet 1/2" Female Pipe 1/4" Nominal ID 3/4" Female Pipe 3/4" Nominal 5/8" OD Hard Thread (FPT) Copper Water Tubing or Thread (FPT) ID Hard Pipe or Tube...
2. Water-Cooled Condenser a) Connection to an Open Drain System Condenser Water Minimum Condenser Condenser Drain Minimum Condenser Supply Inlet Water Supply Line Size Outlet Drain Line Size 1/2" Female Pipe 1/4" Nominal ID Copper 3/8" Female Pipe 1/4" Nominal ID Hard Pipe Thread (FPT) Water Tubing or Equivalent Thread (FPT)
b) Connection to a Closed Loop System Condenser Water Minimum Condenser Condenser Minimum Condenser Supply Inlet Water Supply Line Size Return Outlet Return Line Size 1/2" Female Pipe 1/4" Nominal ID Copper 3/8" Female Pipe 1/4" Nominal ID Copper Thread (FPT) Water Tubing or Equivalent Thread (FPT) Water Tubing or Equivalent...
G. Installation of Remote Condenser Unit for Remote Models WARNING • Installation of remote condenser unit must be performed by properly trained and EPA-certified service personnel. • The remote condenser unit must be installed in accordance with applicable national, state, and local codes and regulations. •...
Discharge Discharge Icemaker Unit Line Line Adjustment Line Line (R-404A) KMD-860MRJZ URC-9FZ 3/8" 1/2" OD 3/8" 1/2" OD Add 0.4 oz. (11 g) for Applicable each foot over 66' (40 g for each meter over 20 m). Write new total charge on icemaker's rating label.
5. Line Set Installation WARNING • R-404A itself is not flammable at atmospheric pressure and temperatures up to 176°F (80°C). • R-404A itself is not explosive or poisonous. However, when exposed to high temperatures (open flames), R-404A can be decomposed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous.
Page 22
5) Remove the Schrader valve cores from the remote condenser unit service valve access ports. 6) Braze the line set copper tubes to the remote condenser unit liquid and discharge line service valves. 7) Allow the service valves to cool, then replace the Schrader valve cores. Attach the gauge manifold hoses.
6. 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. • To reduce the risk of electric shock, make all remote condenser unit connections before connecting the icemaker power supply.
3) Install a ground wire from the icemaker fan motor junction box to the remote condenser unit junction box. Use wire of an appropriate gage and outdoor rating. 4) Install line and neutral wires from the fan motor leads in the icemaker fan motor junction box to the leads in the remote condenser unit junction box.
H. Final Checklist 1. Pre-Startup 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"...
2. Post-Startup 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/ice storage bin. 1) Has the bin control operation been confirmed?1 2) Has the end user been given the instruction manual, and instructed on how to operate the appliance and the importance of the recommended periodic maintenance? 3) Are all components, fasteners, and thumbscrews securely in place? 4) Has the end user been given the contact information of an authorized service agent?
I. 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. •...
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 with damp hands.
B. Cleaning and Sanitizing Instructions The icemaker 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.
Page 30
Fig. 13 the "OFF" position. 6) Remove the front insulation panel, then pour 14 fl. oz. (414 ml) of Hoshizaki "Scale Away" into the water tank. Replace the front insulation panel. Turn the cleaning valve to the left until completely vertical (open).
Page 31
13) Remove the front insulation panel, then remove splash guard, cube guide B and cube guide A. Remove the overflow cap, overflow pipe, water shield, and drain plug. After the water tank has drained, replace the drain plug, water shield, overflow pipe, overflow cap, cube guide A, cube guide B, splash guard, and front insulation panel.
Page 32
24) Remove the front insulation panel, then remove splash guard, cube guide B and cube guide A. Remove the overflow cap, overflow pipe, water shield, and drain plug. After the water tank has drained, replace the drain plug, water shield, overflow pipe, overflow cap, cube guide A, cube guide B, splash guard, and front insulation panel.
IV. Preparing the Icemaker for Periods of Non-Use NOTICE • When storing the icemaker for an extended time or in sub-freezing temperatures, follow the instructions below to prevent damage. • To prevent damage to the water pump seal, do not leave the control switch in the "WASH"...
Page 34
3. On water-cooled models, remove the water from the water-cooled condenser: 1) Make sure the power supply is off, then remove the front panel and right side panel. 2) 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.
V. Disposal The icemaker 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.
Page 36
618 Hwy. 74 South, Peachtree City, GA 30269 USA (P) 770.487.2331 (F) 770.487.3360 hoshizakiamerica.com 1A6570-010...