Sharp | R1874T | Installation guide | Sharp R1874T Installation Guide

OVER THE RANGE MICROWAVE OVEN/HOOD SYSTEM
INSTALLATION INSTRUCTIONS
Please read all instructions thoroughly before installing the Microwave Oven/Hood System. Two people are
recommended to install this product.
If a new electrical outlet is required, its installation should be completed by a qualified electrician before the
Microwave Oven/Hood is installed. See 3 ELECTRICAL GROUNDING INSTRUCTIONS on page 2.
1 MOUNTING SPACE
12"
15.5"
This Microwave Oven/Hood requires a mounting space on a wall
as shown in Figure 1.
30"
If the space between the wall cabinets is greater than 30-inches
(36-inches or 42-inches), a Filler Panel Kit may be used to fill the
gap between the Microwave Oven/Hood system and wall cabinets. The Filler Panel Kit is sold as an optional accessory; each
kit contains two 3-inch panels. The Filler Panel Kit should be
installed before the Microwave Oven/Hood is installed.
At least 2"
30" or more
from cooking
surface
Backsplash
For proper installation and servicing, a 2-inch space is necessary
between the top of the range backsplash and the bottom of the
Microwave Oven/Hood system.
66" or
more from
floor
2 WALL CONSTRUCTION
This Microwave Oven/Hood should be mounted against and supported by a flat vertical wall. The wall must be flat for proper
installation. If the wall is not flat, use spacers to fill in the gaps.
Wall construction should be a minimum of 2" x 4" wood studding
and 3/8" or more thick dry wall or plaster/lath. The mounting surfaces must be capable of supporting weight of 110 pounds—the
oven and contents—AND the weight of all items which would normally be stored in the top cabinet above the unit.
Figure 1
The unit should be attached to a minimum of one 2" x 4" wall stud.
2"x 4" Wood Studs
16" or 24"
To find the location of the studs, one of the following methods may
be used:
A. Use a stud finder, a magnetic device which locates the nails in
the stud.
B. Use a hammer to tap lightly across the mounting surface to find
a solid sound. This will indicate stud location.
The center of the stud can be located by probing the wall with a
small nail to find the edges of the stud and then placing a mark
halfway between the edges. The center of any adjacent studs will
normally be 16" or 24" to either side of this mark.
3/8" Dry Wall
or Plaster/lath
Figure 2
NOTE: In the event that the unit will be unable to be supported by any stud, it will be necessary to use special care in the placement of the toggle bolts and top cabinet screws. See Wall Template for details. The top
cabinet should be tested to ensure it is securely attached to the wall. Place extra weight up to 110 pounds
inside the top cabinet to test the support.
1
3 ELECTRICAL GROUNDING INSTRUCTIONS
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.
The oven is equipped with a 3-prong grounding plug. DO NOT UNDER ANY CIRCUMSTANCES CUT OR
REMOVE THE GROUNDING PIN FROM THE PLUG.
The Power Supply Cord and plug must be connected to a
separate 120 Volt AC, 60 Hz, 15 Amp, or more branch circuit,
single grounded receptacle. The receptacle should be located
inside the cabinet directly above the Microwave Oven/Hood
mounting location.
Ground
Receptacle
NOTE:
1. If you have any questions about the grounding or electrical
instructions, consult a qualified electrician or serviceperson.
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 connection procedures.
Opening for
Power Cord
Figure 3
4 HOOD EXHAUST DUCT
When the hood is vented to the outside, a hood exhaust duct is required. All ductwork must be metal;
absolutely do not use plastic duct. Check that all connections are made securely. Please read the following
carefully:
Exhaust connection: The hood exhaust has been designed to connect to a standard 31/4" x 10" rectangular
duct. If round duct is required, a rectangular-to-round adapter must be used.
Rear exhaust: If a rear or horizontal exhaust is to be used, care should be taken to align the exhaust with
the space between the studs, or wall should be prepared at the time it is constructed by leaving enough space
between wall studs to accommodate exhaust.
Maximum duct length: For satisfactory air movement, the total duct length of 31/4" X 10" rectangular or 6"
diameter round duct should not exceed 140 feet.
Elbows, adapters, wall, roof caps, etc. present additional resistance to air flow and are equivalent to
a section of straight duct which is longer than their
actual physical size. When calculating the total
length, add the equivalent lengths of all transitions
and adapters plus the length of all straight duct
sections. Figure 4 shows the approximate feet of
equivalent length of some typical ductwork parts.
Use the values in parentheses for calculating air
flow resistance equivalent, which should total less
than 140 feet.
Figure 4
5 TOOLS RECOMMENDED FOR INSTALLATION
• Phillips Screwdriver
• 11/2" Wood Bit or Metal Hole Cutter (if metal cabinet is used)
• Electric Drill
• 1/2", 5/8" and 3/32" Drill Bits
• Scissors
• Saw to cut exhaust opening (if needed)
• Pencil
• Measure
• Tape
• Protective Drop Cloth for product and range—you may also use carton for protection
2
6 INSTALLATION HARDWARE
The INSTALLATION HARDWARE (items 1-7) packed with the oven should contain the following:
ITEM
NAME
1 Wood Screw 5 X 30 mm
QUANTITY
PART CODE
6
XTSS750P35000
2 Toggle Bolt #10 - 24 X 50 mm
4
LX-BZ0195WRE0
3 Top Cabinet Screw 5 X 60 mm
2
XBRS750P60000
4 Flat Washer 30 mm diameter
2
XWHS750-16300
5 Grommet
1
LBSHC0040MRE0
6 Tapping Screw 4 x 12 mm
1
XOTS740P12000
7 Exhaust Damper Assembly
1
FFTA-B004MRK0
Figure 5
7 PREPARATION OF THE OVEN
Utilization of the carton may make installation easier.
1. Open the bottom of the carton, remove oven and all packing materials.
2. CHECK THE OVEN.
Check the oven for any damage, such as misaligned or bent door, damaged door seals and sealing
surfaces, broken 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.
3. Place carton upside down as shown in Figure 6-1.
4. Using cutting line around the carton, cut into two pieces (A) and (BC). See Figure 6-2.
5. Cut the remaining portion (BC) into portion (B) and portion (C) according to cutting line. See Figure 6-3.
(B)
(B)
(C)
(C)
Cutting line
Top side
Figure 6-1
(A)
Figure 6-2
(A)
Figure 6-3
3
8 PREPARATION OF THE OVEN
1. Rest the oven on its side as shown in Figure 7. Place portion (C)
of the carton underneath to protect the outercase from being
damaged.
Figure 7
2. Remove the two screws which secure the mounting plate to the
rear side of the oven. Remove the mounting plate. The two
screws can be discarded.
NOTE: If the unit you purchased does not have the mounting plate
attached to the rear side of the oven, please disregard this section
and continue to Section 9.
9 VENTILATION SYSTEM
This Microwave Oven/Hood System is designed for adaptation to
three types of hood ventilation systems. Select the type required for
your installation.
Grease filter openings
Mounting plate
Fan Cover Bracket
A. RECIRCULATING — Non-Vented, Ductless Operation
The unit is shipped assembled for recirculating.
NOTE:
1. The Exhaust Damper Assembly is not required for recirculating operation.
2. The Charcoal Filter should be replaced every 6 to 12
months, depending on use.
3. The Charcoal Filter RK-220 is also sold as an accessory. See Operation Manual for ordering information.
Figure 8
B. HORIZONTAL EXHAUST — Outside Ventilation
1. Remove and save the 4 screws from Fan Cover
Bracket. Remove Fan Cover Bracket by sliding it in the
opposite direction of the arrow on the Fan Cover
Bracket, as shown in Figure 8.
2. Lift Hood Fan Unit carefully and slip wires out of cavity.
See Figure 9.
CAUTION: Do not pull or stretch hood fan wiring.
3. Rotate the Hood Fan Unit 180˚ so that the fan blade
openings are facing the back of the oven. Note, you will
need to lift the wire over the hood fan unit so the wire will
clear. See Figure 10 (A). Replace Hood Fan Unit into the
oven. Be careful not to pinch the wire and the Hood Fan
Unit. See Figure 10 (B).
Figure 9
4. Put the wire back into the cavity.
(A) Rotate 180˚
5. Replace the fan cover bracket. Make sure the fan blades
are visible through the rear openings in oven before proceeding. Attach the fan cover bracket to the unit with the
4 screws removed in step 1 above. See Figure 11. The
hood fan is now rotated for horizontal exhaust operation.
(B)
6. Attach the Exhaust Damper Assembly to the back of the
mounting plate by sliding it into the slits in the same
direction as the arrow. See Figure 12. Using tapping
screw 4 x 12 mm from the INSTALLATION HARDWARE, tighten into place.
Figure 10
4
Mounting Plate
(Back side)
Wire Box
Figure 12
Figure 11
Fan Cover Bracket
C. VERTICAL EXHAUST: Outside Ventilation
1. Remove and save the 4 screws from the Fan Cover Bracket. Remove Fan
Cover Bracket by sliding it in the opposite direction of the arrow on the Fan
Cover Bracket as shown in Figure 13.
2. Lift the Hood Fan Unit carefully and slip wires out of cavity. See Figure 14.
CAUTION: Do not pull or stretch hood fan wiring.
3. Rotate the Hood Fan Unit 180˚ so that the fan blade openings are facing
the back of the oven. Note, you will need to lift the wire over the hood fan
unit so the wire will clear. See Figure 15 (A). Then rotate the Hood Fan
Unit 90˚ so that the fan blade openings are facing the top of the oven. See
Figure 15 (B). Replace Hood Fan Unit into the oven. Be careful not to
pinch the lead wire between the inner bracket and the Hood Fan Unit. Put
the lead wire into Wire Box. See Figure 15 (C).
Figure 13
4. Replace the Fan Cover Bracket. Make sure the fan blades are visible
through the top openings in the oven before proceeding.
5. Attach the Fan Cover Bracket to unit with the 4 screws removed in step 1
above. See Figure 16. The Hood Fan Unit is now rotated for vertical
exhaust operation.
6. Attach the Exhaust Damper Assembly to the fan cover on the top of the
outercase cabinet by sliding it into the slits in the same direction as the
arrow. Use 1 Tapping Screw 4 X12 mm from the INSTALLATION HARDWARE and tighten into place. See Figure 17.
Figure 14
(A) Rotate 180˚
(C)
(B)
Figure 15
Exhaust Damper Assembly
Wire Box
Figure 16
Figure 17
5
10 OVEN INSTALLATION
THIS OVEN CANNOT BE PROPERLY INSTALLED WITHOUT REFERRING TO THE MOUNTING
INSTRUCTIONS FOUND ON BOTH TEMPLATES.
READ AND FOLLOW MOUNTING INFORMATION ON BOTH TOP CABINET AND WALL TEMPLATES.
MOUNTING PLATE
1. Separate 4 Toggle Bolts 2, packed in the INSTALLATION HARDWARE, from the Toggle Nuts.
2. Use Wood Screws 1 to attach Mounting Plate to the stud or studs. Use Toggle Bolts to attach Mounting
Plate through the holes at A, B, C and D; UNLESS THOSE HOLES ARE LOCATED ON THE STUD. Insert
one Toggle Bolt into A, B, C and D where appropriate (these correspond to the holes of the Wall Template)
and put the Toggle Nuts onto the Toggle Bolts. Figure 18.
Refer to instructions in Wall Template.
3. Position the Mounting Plate with the Toggle Bolts attached at the wall location and insert Toggle Nuts and
Bolts through the holes in the wall with the Toggle Nuts closed. Figure 19. Use Wood Screws 1 to attach
the Mounting Plate to studs.
NOTE: Before insertion, be sure you leave a space more than the thickness of the wall between the Mounting
Plate and the end of each of the Toggle Nuts (in the closed position). If you do not leave enough space, the
Toggle Nut will not be able to open on the other side of the wall. Also, once a Toggle Nut opens, it cannot be
withdrawn from the hole; therefore make sure all of the Toggles are in the correct position before insertion.
4. Align the Mounting Plate carefully and hold in position while tightening Toggle Bolts. Pull Toggle Bolt toward
you and turn clockwise to tighten. Figure 20.
Space more than
wall thickness
Mounting
Plate
Figure 18
Figure 19
Figure 20
Wall
MOUNTING OVEN TO THE WALL
Two people are recommended to attach the Microwave
Oven/Hood to the Mounting Plate.
(B)
1. Place cut portion of carton (B) on top surface of range.
Protection of the range cooking surface is recommended. A
protective drop cloth may also be used to cover the top of
the range.
2. Place carton portion (C) on portion (A); then place oven as
shown in Figure 21.
3. Place the oven and the carton portions together on the top
of the range covered with (B). Slide carton portion (A)
toward backsplash until stops. Align the lower back edge of
the oven with the mounting plate.
(C)
(A)
Figure 21
6
4. Thread the power supply cord through the hole made in the bottom of the top cabinet.
5. Hang the oven on the lower edge of the mounting plate. Rotate the
unit upward. See Figure 22. Take care that the power cord is able
to clear the edge of the hole as the oven is rotated upward. (In the
case of a non-recessed bottom in the top cabinet, the hole for the
cord may need to be enlarged.) Remove the carton portions.
Hang at these
locations
6. Tighten the two unit mounting screws located in the grease filter
openings. See Figure 23.
(A)
7. Install grease filters by fitting into the opening. Push back and up
into place. See Figure 24.
8. Use the two Top Cabinet Screws (D) and two Flat Washers (E),
supplied in the INSTALLATION HARDWARE, to attach the unit to
the top cabinet. See Figure 25.
9. Make a bundle of the power supply cord and place it inside the
cabinet.
Figure 22
Unit mounting
screw
Grease filter
Figure 23
Figure 24
Grommet (for metal
cabinet only)
(D)
(E)
Figure 25
7
CHECK LIST FOR INSTALLATION
1. Make sure the unit has been installed according to all of the Installation Instructions, the Top Template and
Wall Template.
2. Remove all packing material from the oven.
3. Plug in the power cord.
4. Read the Operation Manual.
5. Keep the Installation Instructions for the local electrical inspector’s use.
ACCESSORIES
Check with your dealer or order directly from the SHARP Accessories and Supplies Center. Call toll-free
1-800-BE SHARP (237-4277).
1. CHARCOAL FILTER (RK-220). Filter is used when hood exhaust is recirculated only.
2. Filler Panel Kit. For use when the oven is installed in a 36-inch or 42-inch wide opening. The metal filler
panels come in 3-inch wide pairs for 36-inch and 6-inch wide pairs for 42-inch wide opening. White, black,
biscuit and stainless steel are available.
To purchase contact: Imperial Cal Products, Inc.
425 Apollo Street
Brea, CA 92821
Phone: (800) 851-4192 or (714) 990-9100
Fax:
(714) 990-3350
www.imperialhoods.com
SHARP ELECTRONICS CORPORATION
Sharp Plaza, Mahwah, New Jersey 07430-2135
TINSEB371MRR1
Printed in U.S.A.
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