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Hoshizaki KM-660MRJZ 642 lb/Day Remote-Cooled Modular Crescent Ice Machine

KM-660MRJZ
Hoshizaki KM-660MRJZ remote-cooled modular crescent ice machine
Hoshizaki KM-520MRJZ and KM-660MRJZ official manual dimension drawing, remote head connections and clearance

Hoshizaki KM-660MRJZ remote air-cooled modular crescent ice maker with a stainless steel double-sided evaporator and adjustable ultrasonic bin control. 115V / 60Hz hardwired supply. URC-5FZ remote condenser and compatible bin or dispenser sold separately.

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Product overview

The Hoshizaki KM-660MRJZ is a remote air-cooled modular crescent ice maker with a stainless steel double-sided evaporator, CycleSaver design and EverCheck alert system. A factory-installed ultrasonic bin control can be adjusted on site. The ice-making head requires a compatible storage bin or dispenser, sold separately.

A separately purchased URC-5FZ remote condenser moves condenser heat away from the ice-making head. Plan the condenser location, refrigeration line route and complete electrical installation before ordering.

  • Individual crescent cubes: Modular head; compatible bin or dispenser sold separately.
  • 22-inch cabinet width: 27⅜-inch depth and 28-inch height.
  • Remote air-cooled: URC-5FZ remote condenser required, sold separately.

Specifications

Model KM-660MRJZ
Cooling system Remote air-cooled
Ice type Individual crescent cubes
Cabinet width × depth × height 22 × 27⅜ × 28 inches
Storage bin or dispenser Required; sold separately
Evaporator Stainless steel, double-sided
Bin control Factory-installed ultrasonic control; adjustable on site
Electrical supply 115V / 60Hz / single phase
Amperage 16.1 A
Maximum fuse / breaker 20 A
Electrical connection Hardwired at site; three wires including ground; no cord or plug included
Refrigerant R-404A; 2 lb 4.7 oz in head; 4 lb 2.7 oz with matched condenser before line-length adjustments
Operating ambient 45–100°F
Incoming water temperature 45–90°F
Water pressure 10–113 PSIG
Energy use at 90°F air / 70°F water 5.60 kWh per 100 lb ice
Potable water use at 90°F air / 70°F water 14.7 gallons per 100 lb ice
Net / shipping weight 150 / 180 lb
Heat rejection 8,100 BTU/hr
Remote condenser URC-5FZ, sold separately

Bin selection and installation

Select a compatible bin or dispenser and the required top kit for the exact ice-machine model. Cabinet width alone does not establish compatibility. The bin or dispenser is a separate purchase; include its capacity, finished height, door access and utility needs in the installation plan.

Have qualified personnel install the head on a level, securely supported bin or dispenser, indoors and away from heat-producing equipment. Leave at least 6 inches at the rear, sides and top for ventilation and service. Keep the bin opening and ice-drop path clear, and follow the mounting and sealing instructions for the complete assembly. Ice output depends on incoming-water temperature, ambient conditions and installation.

Electrical connection

Have a qualified electrician provide an independent grounded 115V / 60Hz single-phase circuit matched to the nameplate. This head must be hardwired at the installation site; no power cord or plug is included. Complete all connections in accordance with local requirements and the model’s instruction manual.

Water supply and drainage

Connect potable water to the ½-inch FPT ice-making inlet and provide a ¾-inch FPT ice-maker drain. Have the installer size the supply and drain lines using the exact model’s installation documents and local requirements. Provide shut-off and drain valves and enough access for service.

Route the ice-maker drain and the separate bin or dispenser drain independently. Use a vented tee and at least ¼ inch of fall per horizontal foot, with a minimum 2-inch vertical air gap above the floor drain. The condensation drain may join the ice-maker drain or run separately. Select external water treatment for local water quality with a qualified installer; do not run the machine without the required water supply.

Remote condenser requirements

Use the specified URC-5FZ remote condenser, sold separately, with at least 24 inches of clearance at its front and rear. Have a qualified refrigeration installer select line sizes, routing, elevation and refrigerant charge for the actual run. The maximum permitted refrigeration line length is 100 feet; runs over 66 feet require larger lines and the prescribed charge adjustment.

Wire condenser power and ground from the ice-maker fan-motor junction box as directed in the manual; do not connect the condenser to an external power source. The head must receive power for at least four hours before startup to protect the compressor.

Cleaning and maintenance

Clean and rinse the ice scoop daily, and wipe the exterior monthly with a soft cloth and neutral cleaner. Clean and sanitize the ice maker and the separate bin or dispenser at least yearly, with more frequent service when water quality, operating conditions or sanitation rules require it. Have the condenser and water-inlet screen inspected and cleaned on the maintenance schedule.

Follow the complete cleaning and sanitizing sequence, including power isolation and rinse cycles. Do not use ammonia cleaners, leave cleaning solution on ice-contact parts or serve ice made with cleaning or sanitizing solution. Wear the protective equipment specified for the chemicals. For extended non-use or freezing conditions, follow the shutdown and drainage procedure for the head and its related equipment.

Warranty

Limited coverage includes three years of parts and labor on the machine, five years of parts and labor on the evaporator and five years of compressor parts and air-cooled condenser parts. Coverage applies to the original owner/user, subject to proper installation, operation, maintenance and written terms. Register within 30 days of installation. Standard coverage applies in the United States, Canada, Puerto Rico and U.S. territories. Travel, mileage, premium labor and failures caused by external utilities or inadequate maintenance are excluded; review the complete warranty.

Compare 22-inch modular crescent ice makers

Match the cooling system and electrical frequency to your installation. Each head, storage bin or dispenser, and any remote condenser is sold separately.

Product documents