Hoshizaki Hoshizaki America, Inc. Undercounter Refrigerator Model HR24A “A Superior Degree of Reliability” INSTRUCTION MANUAL www.hoshizaki.
WARNING Only qualified service technicians should install and service the unit. To obtain the name and phone number of your local Hoshizaki Certified Service Representative, visit www.hoshizaki.com. No installation or service should be undertaken until the technician has thoroughly read this Instruction Manual. Likewise, the owner/manager should not proceed to operate the unit until the installer has instructed them on its proper operation.
IMPORTANT This manual should be read carefully before the unit is installed and operated. Read the warnings and guidelines contained in this booklet carefully as they provide essential information for the continued safe use and maintenance of the unit. Retain this booklet for any further reference that may be necessary. CONTENTS Important Safety Information.................................................................................................. 4 I. Installation Instructions.......................
Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, damage to the unit, or damage to property. 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.
WARNING, continued • This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. • Children should be properly supervised around this appliance. • Do not climb, stand, or hang on the unit or door or allow children or animals to do so.
I. Installation Instructions WARNING • This unit must be installed in accordance with applicable national, state, and local codes and regulations. • This unit is heavy. Use care when lifting or positioning. Work in pairs when needed to prevent injury or damage. • Do not tilt the unit more than 45°. A. Checks Before Installation • Visually inspect the exterior of the shipping package and immediately report any damage to the carrier.
2. Built-In Installation Site NOTICE • Do not let the weight of the counter rest on the unit. There must be at least 1" (3 cm) clearance between the top of the unit and the bottom of the counter. • Do not install the unit in a corner where the door will interfere with other equipment or where the unit cannot be pulled out for service.
C. Door Reversal If you would like to reverse the door swing, follow the steps below. Otherwise, skip to section "II.D. Setup." 1) Make sure the unit is off and unplugged. 2) Remove the fasteners securing the top panel. See Fig. 1. Being careful not to pull on the wires to the control panel and door switch, lift off the top panel. Secure the top panel so that it does not interfere with the upper hinge or top panel bracket and will not fall.
D. Setup 1. Install the Toe Kick 1) Remove the plastic film from the toe kick. 2) Block the rollers to prevent the unit from rolling. See Fig. 2. Tilt the unit back. NOTICE! Protect the floor. Do not tilt the unit more than 45°. Support the unit so it does not topple over. 3) Clean the toe kick attachment area with a clean soft cloth using a mild soap to remove any oil or dirt. Dry the toe kick attachment area thoroughly with a clean soft cloth.
E. 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 severe damage to equipment. • This unit requires an independent power supply. See the nameplate for proper voltage and breaker/fuse size. Failure to use a proper breaker or fuse can result in a tripped breaker, blown fuse, or damage to existing wiring.
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II. Operating Instructions A. Important Notes About Usage WARNING • Only qualified service technicians should install and service the unit. • Failure to install, operate, and maintain the equipment in accordance with this manual will adversely affect safety, performance, component life, and warranty coverage. • Turn off the unit before unplugging to reduce the risk of electric shock. • To reduce the risk of electric shock, do not touch the plug with damp hands.
B. Startup WARNING All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. IMPORTANT At startup, there is a 2-minute delay before the compressor starts. 1) Plug the unit into the electrical outlet. WARNING! If you have to slide the unit back for a built-in installation, make sure you do not damage or pinch the power cord. 2) Press and hold the power button for 2 seconds to turn on the unit. See Fig. 3.
D. Display Icons Display icons inform you of energized components and if the unit is in alarm. Display Icons Icon Meaning Compressor Steady: Compressor running. Flashing: • Compressor delay timer. Compressor will start within 3 minutes. • In temperature setpoint adjustment mode. For temperature setpoint adjustment, see "II.C.2 Adjusting the Temperature Setpoint." Defrost Unit is in defrost cycle. See "II.G. Defrost" for details. Evaporator Fan Evaporator fan is running.
1. Silencing High Temperature, Low Temperature, and Door Alarms To silence the alarm, press the "-" or "+" button. For Ld (door) alarm, the alarm clears once the door is closed or the "-" or "+" button is pressed. 2. Clearing High Temperature and Low Temperature Alarms For AH and AL alarms, the red alarm icon and AH or AL continue to alternate with cabinet temperature after alarm is silenced. When the temperature returns to setpoint, follow the steps below to clear the alarm.
I. Cooling Performance Be sure the unit is properly installed and located for optimum cooling performance. If cooling performance is not at its optimum level, check the following items: • Door opened too often. • Door left open. Close. • Too tightly packed or cabinet air inlet/outlet blocked. Allow some space between items to ensure good air flow. • Ambient temperature too high. Avoid installation near high heat producing equipment or exposure to direct sunlight. • Temperature setpoint too high.
III. Cleaning and Maintenance Instructions A. Cleaning WARNING • Before cleaning the unit, turn off and unplug the unit to prevent electric shock by unexpected entrance of water into the unit or injury by moving parts. • Before cleaning the unit, move all items into another refrigerator. • Do not splash water directly onto the unit. This might cause short circuit, electric shock, corrosion, or failure.
B. Maintenance 1. Condenser Check the condenser once a year and use a brush or vacuum cleaner to clean the condenser as required. 2. Power Supply Connection If the plug or power cord is damaged, contact your local Hoshizaki Certified Service Representative immediately and ask for repairs. All other service should be performed in accordance with the Hoshizaki Service Manual by a qualified service technician.
IV. Preparing the Unit for Periods of Non-Use A. Shutdown and Long Storage When shutting down the unit for more than one week, follow the instructions below. WARNING When preparing the unit for long storage, prevent the door from closing to reduce the risk of children getting trapped. Leave the shelves in place so that children may not easily climb inside. IMPORTANT When preparing the unit for long storage, clean the cabinet interior, door gaskets, and shelves. See "III.A. Cleaning" for details.
HOSHIZAKI AMERICA, INC. 618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL (770) 487-2331 FAX (770) 487-3360 www.hoshizaki.
