Sharp Medium-Duty Commercial Microwave Oven R-21LVF1 Instruction Manual

Product Overview

The Sharp R-21LVF Commercial Microwave Oven is designed for medium-duty use in commercial environments. It features a durable stainless steel construction, touch controls with programmable memory settings, and a spacious interior to accommodate various food items. This manual provides essential information for the safe and efficient operation and maintenance of your microwave oven.

Sharp R-21LVF Commercial Microwave Oven, front view

Image Description: A front view of the Sharp R-21LVF Commercial Microwave Oven, showcasing its stainless steel exterior, large door handle, and control panel with numerical buttons and a digital display.

Setup and Installation

Proper setup ensures optimal performance and safety.

Unpacking

Carefully remove the microwave oven from its packaging.
Inspect the unit for any shipping damage. If damage is found, do not operate and contact your supplier.
Remove all packing materials, including any protective film or tape from the exterior and interior.
Ensure all included components, such as the power cord, are present.

Placement

Place the microwave oven on a flat, stable, heat-resistant surface, such as a countertop.
Ensure adequate ventilation around the unit. Do not block air vents.
Maintain a minimum clearance of 4 inches (10 cm) from the top, sides, and rear of the oven to allow for proper airflow.
Avoid placing the oven near heat sources or in direct sunlight.

Electrical Requirements

The Sharp R-21LVF requires a dedicated electrical circuit for safe operation.

Voltage: 120V AC
Frequency: 60Hz
Power Consumption: 1.6KW
Current: 14 Amps
Power Cord Length: Approximately 60 inches (152 cm)
Ensure the outlet is properly grounded.

Operating Instructions

The R-21LVF features user-friendly touch controls for efficient cooking.

Control Panel Overview

Close-up of Sharp R-21LVF control panel with numerical buttons

Image Description: A close-up view of the microwave's control panel, highlighting the numerical touch buttons (1-0) and the "DOUBLE QUANTITY" and "EXPRESS DEFROST" buttons.

Numerical Pads (1-0): Used to enter cooking times or select programmed memory settings.
DOUBLE QUANTITY Pad: Optimizes heating time for two servings or double the amount programmed in a memory pad.
EXPRESS DEFROST Pad: Initiates a multi-stage defrosting process.
SELECTATIME: Used to manually set cooking time.
STOP/CLEAR: Stops operation or clears current settings.
START: Begins cooking.
SET/CHECK/SIGNAL: Used for programming and checking memory settings.

Basic Cooking

Place food in a microwave-safe container inside the oven.
Close the oven door firmly. The door features a durable trigger switch handle for frequent use.
Image Description: A close-up of the microwave's sturdy, chrome-finished door handle, designed for frequent commercial use.
Enter the desired cooking time using the numerical pads.
Press the START pad.
The oven will begin cooking and automatically shut off when the time expires.

Programmable Memory Settings

The oven has 20 memory pads (10 pre-programmed) for frequently used items.

Sharp R-21LVF microwave with icons for touch controls, express defrost, and double quantity

Image Description: An image highlighting the "Everyday Performance" features of the Sharp R-21LVF, showing icons for Touch Controls, Express Defrost, and Double Quantity, with the microwave itself in the background.

To use a pre-programmed setting, simply press the corresponding numerical pad (1-0).
To program a new setting:
- Press the SET pad.
- Enter the desired cooking time using the numerical pads.
- Press the numerical pad (1-0) where you want to store the setting.
- Press SET again to confirm.
To check a memory setting:
Image Description: A close-up of the microwave's digital display during a "Memory Check," showing a time value and the "ON" indicator.
- Press the CHECK pad.
- Press the numerical pad (1-0) of the memory setting you wish to check. The display will show the programmed time.

Double Quantity Function

This feature automatically adjusts cooking time for larger portions.

Close-up of Sharp R-21LVF Double Quantity pad

Image Description: A close-up of the "DOUBLE QUANTITY" button on the microwave's control panel, with the display showing "NO. x2" indicating the function is active.

Place the double quantity of food in the oven.
Press the DOUBLE QUANTITY pad.
Select a pre-programmed memory setting or enter a manual cooking time.
Press START.

Express Defrost

The Express Defrost function divides the total defrosting time into three stages with varying power levels for faster thawing.

Image Description: A close-up of the "EXPRESS DEFROST" button, accompanied by icons representing common food items for defrosting: Beef Steak, Chicken Breast, and Fish Steak. The display shows "DEF." and a time.

Place the frozen food in the oven.
Press the EXPRESS DEFROST pad.
Enter the desired defrosting time.
Press START.

Interior Capacity

The oven's interior is designed to accommodate a 1/2-size pan in either direction (front to back or side to side) for flexible kitchen workflows. The interior does not feature a turntable, allowing for larger, rectangular dishes.

Sharp R-21LVF interior showing a half pan with vegetables

Image Description: The interior of the Sharp R-21LVF microwave, showing a clear rectangular pan filled with mixed vegetables being placed inside, demonstrating its capacity to fit a half-size pan.

Maintenance and Cleaning

Regular cleaning and maintenance will prolong the life of your microwave oven.

Cleaning the Interior

The oven features a stainless steel interior and removable splash covers for easy cleaning.

Sharp R-21LVF interior showing removable splash covers

Image Description: The interior of the Sharp R-21LVF microwave, highlighting the removable white splash covers on the side walls, designed for easy cleaning of splatters.

Unplug the microwave oven before cleaning.
Wipe the interior surfaces, including the stainless steel walls and ceiling, with a damp cloth and mild detergent.
Remove the splash covers and wash them with warm, soapy water. Rinse thoroughly and dry before re-installing.
For stubborn food splatters, place a bowl of water with a few lemon slices inside and microwave for 2-3 minutes to loosen residue, then wipe clean.
Do not use abrasive cleaners, steel wool, or harsh chemicals, as these can damage the stainless steel finish.

Cleaning the Exterior

Wipe the exterior stainless steel surfaces with a soft, damp cloth.
For best results on stainless steel, wipe in the direction of the grain.
Clean the control panel with a soft, damp cloth. Avoid excessive moisture.

Light Bulb Replacement

The interior light bulb is not user-replaceable. If the light bulb needs replacement, it is recommended to contact a qualified service technician.

Troubleshooting

Before contacting service, review the following common issues and solutions.

Problem	Possible Cause	Solution
Oven does not start	Door not closed securely. Power cord unplugged. Blown fuse or tripped circuit breaker. Incorrect operation entered.	Ensure door is firmly latched. Check power cord connection. Check household fuse/circuit breaker. Press STOP/CLEAR and re-enter settings.
Food not heating evenly	Food quantity too large. Food not stirred or rearranged. Improper power level/time.	Reduce food quantity or increase cooking time. Stir or rearrange food halfway through cooking. Adjust cooking time or use appropriate memory setting.
Oven light not working	Light bulb needs replacement.	Contact a qualified service technician for bulb replacement.
Unusual noise during operation	Normal operational sounds (fan, magnetron). Loose internal component.	Some noise is normal. If noise is excessive or new, discontinue use and contact service.

Specifications

Detailed technical specifications for the Sharp R-21LVF Commercial Microwave Oven.

Sharp R-21LVF microwave with dimensions labeled

Image Description: A perspective view of the Sharp R-21LVF microwave oven with its external dimensions clearly labeled: 20.5 inches (width), 12.17 inches (height), and 18.03 inches (depth).

Feature	Specification
Model Number	R-21LVF
Brand	Sharp
Unit Dimensions (W x H x D)	20 1/2" x 12 1/8" x 16" (52.07 cm x 30.80 cm x 40.64 cm)
Cavity Dimensions (W x H x D)	13 7/8" x 8 1/8" x 14 5/8" (35.24 cm x 20.64 cm x 37.15 cm)
Capacity	1.0 Cubic Feet (28.3 Liters)
Output Power	1000 Watts
Power Required	120V, 60Hz, 1.6KW, 14 Amps
Cord Length	60 inches (152 cm)
Unit Weight	37 lb (16.78 kg)
Material	Stainless Steel (Exterior, Interior, Door)
Control Type	Touch Controls with 20 Memories (10 pre-programmed)
Special Features	Programmable, Express Defrost, Double Quantity Pad, No Turntable
Included Components	1 Commercial Sharp Microwave

Warranty and Support

For warranty information or technical support regarding your Sharp Commercial Microwave Oven, please contact Sharp customer service directly.

Refer to the warranty card included with your product for specific terms and conditions.
Visit the official Sharp website for contact details and support resources.
When contacting support, please have your model number (R-21LVF) and serial number ready.

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Sharp R-21LVF