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U N P A C K I N G A N D I N S T A L L A T I O N I N S T R U C T I O N S
This appliance must be grounded. This oven is equipped with a cord having a grounding wire with a grounding plug.
It must be plugged into a wall receptacle that is properly installed and grounded in accordance with the National
Electrical Code and local codes and ordinances. In the event of an electrical short circuit, grounding reduces risk
of electric shock by providing an escape wire for the electric current.
WARNING – Improper use of the grounding plug can result in a risk of electric shock.
Electrical Requirements
The electrical requirements are a 120 volt 60 Hz, AC only, 15 amp. or more
protected electrical supply. It is recommended that a separate circuit serving
only this appliance be provided.
The oven is equipped with a 3-prong grounding plug. It must be plugged into a
wall receptacle that is properly installed and grounded. Should you only have a
2-prong outlet, have a qualified electrician install a correct wall receptacle.
A 3-prong adapter may be purchased and used temporarily if local codes allow.
Follow package directions.
A short power-supply cord is provided to reduce risk of becoming entangled in
or tripping over a longer cord.
Extension Cord
If it is necessary to use an extension cord, use only a 3-wire extension cord that
has a 3-blade grounding plug and a 3-slot receptacle that will accept the plug
on the microwave oven. The marked rating of the extension cord should be AC
115-120 volt, 15 amp. or more.
Be careful not to drape the cord over the countertop or table where it can be
pulled on by children or tripped over accidentally.
Notes:
1. If you have any questions about the grounding or electrical instructions, consult
a qualified electrician or service person.
2. Neither Sharp nor the dealer can accept any liability for damage to the oven
or personal injury resulting from failure to observe the correct electrical con-
nection procedures.
Radio or TV Interference
Should there be any interference caused by the microwave oven to your radio or TV, check that the microwave oven
is on a different electrical circuit, relocate the radio or TV as far away from the oven as feasible or check position
and signal of receiving antenna.
G R O U N D I N G I N S T R U C T I O N S
Unpacking and Examining Your Oven
1. Remove all packing materials from inside the oven
cavity. DO NOT REMOVE THE WAVEGUIDE
COVER, which is located on the right cavity wall.
Read enclosures and
SAVE the Operation
Manual.
2. Remove the fea-
ture sticker, if there is
one, from the outside
of the door.
Check the oven for
any damage, such
as misaligned or bent
door, damaged door seals and sealing surfaces, bro-
ken or loose door hinges and latches and dents inside
the cavity or on the door. If there is any damage, do not
operate the oven and contact your dealer or SHARP
AUTHORIZED SERVICER.
Choosing a Location for Your Oven
You will use the oven frequently so plan its location for
ease of use. It's wise, if possible, to have counter space
on at least one side of the oven. Allow at least 2 inches on
the sides, top and at the rear of the oven for air circula-
tion. Do not place or install the oven in any area where
heat and steam are generated; for example, next to or
above a conventional gas or electric range or above a
conventional wall oven. Heat and steam may damage
the electronics or the mechanical parts of the oven.
Built-in Kit
Some microwave models can be built into a cabinet
or wall – not near or above a heat source – using a
Sharp Built-in Kit. Model R-520JK uses the black Sharp
Built-in Kit RK-51K27 (27”) or RK-51K30 (30”). Model
R-520JW uses the white kit KR-51W27 (27”) or
RK-51W30 (30”). The R-428JK uses the black Sharp
Built-in Kit RK-46K24; the R-428JW uses the white
kit RK-46W24. There is no built-in kit for the R-520KS.
If your dealer does not stock the kit, it can be ordered
directly from the Sharp Accessories and Supplies Center.
Have your credit card number available and call
toll-free: 1-800-642-2122 for ordering the kit to be sent
to your address.
The kit includes ducts, finish trim strips and easy-to-
follow instructions for installation as well as the location
of the power supply.