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Manafacture: Hoshizaki File size: 2.11 mb File name: Language of manual:

A minimum of 3/8" OD copper tubing is recommended for the condenser water supply line. • Condenser return outlet is 3/8" 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. Once the icemaker installation is complete, confirm the condenser return outlet temperature 5 minutes after a freeze cycle starts. If the outlet temperature is not in the proper range, adjust the water.regulating valve to bring it into range. Condenser Return Line Shut-Off Valve Condenser Return Line Drain Valve Condenser Return Outlet 3/8" FPT Icemaker Water Supply Line Shut-Off Valve Condenser Water Supply Line Shut-Off Valve Condenser Water Supply Condenser Water Line Drain Valve Supply Inlet 1/2" FPT Drip Tray Drain Outlet 3/4" FPT Fig. 6 DCM-750BWH(-OS) Connection to a Closed Loop System Separate piping to approved drain. Leave a two-inch (5 cm) vertical air gap between the end of each pipe and the drain. Two-inch (5 cm) air gap Floor Drain Icemaker Stand Icemaker Water Supply Inlet 1/2" FPT Icemaker Water Supply Line Drain Valve Storage Bin Drain Outlet 3/4" FPT Vent Tube 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. 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 and sides and 24" (61 cm) at top for proper air circulation and ease of maintenance and service? 4) Have the shipping carton, tape, and packing material been removed from the icemaker? 5) Are all components, fasteners, and thumbscrews securely in place? 6) If the icemaker is on a stand, has it been secured to the stand as outlined in the stand's installation instructions? If the icemaker is mounted flat to a counter, has the perimeter where the icemaker contacts the counter been sealed with approved caulk compound? 7) Have all electrical and water connections been made? Do electrical and water connections meet all national, state, and local code and regulation requirements? 8) Has the power supply voltage been checked or tested against the nameplate rating? Has a proper ground been installed to the icemaker? 9) Are the water supply line shut-off valve(s) and drain valve(s) installed? Has the water supply pressure been checked to ensure a minimum of 10 PSIG and a maximum of 113 PSIG? Note: The icemaker may stop running when the water supply is off, or if the pressure is below 10 PSIG. When the proper water pressure is reached, the icemaker automatically starts running again. 10) Are the compressor hold-down bolts snug? Have the refrigerant lines been checked to make sure they do not rub or touch other lines or surfaces? Has the fan blade (if applicable) been checked to make sure it turns freely? 11) Has the end user been given the instruction manual, and instructed on how to operate the icemaker and the importance of the recommended periodic maintenance? 12) Has the end user been given the name and telephone number of an authorized service agent? 13) Has the warranty card been filled out and forwarded to the factory for warranty registration? 22 23 H. Startup WARNING 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. At startup, confirm that all internal and external connections are free of leaks. 1) Open the water supply line shut-off valve(s). 2) Remove the front panel. Move the power switch to the "ON" position, then move the control switch to the "OFF" position. See Fig. 7. Replace the front panel in its correct position, then turn on the power supply. Note: This unit will not run if the safety switch is not engaged. 3) Move the control switch to the "ICE" position to start the automatic icemaking process. 4) Once the unit starts to produce ice, allow it to run for another 30 minutes. 5) Move the control switch to the "DRAIN" position and allow the water system to drain for 5 minutes. Note: If the unit is running, the drain valve will not open until 2.5 minutes after the ...

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