Bosch HMV9303/01 Installation Guide

Over-the-Ra nge Microwave

In stallation Instructions

For Models: HMV9302. HMV9303. HMV9305, HMV9306, HMV9307

PLEASE READ ENTIRE INSTRUCTIONS BEFORE PROCEEDING

MPORTANT: Save these instructions for the local electrical inspector's use.

INSTALLER: Please leave these Installation nstructions with this unit for the owner.

OWNER: Please retain these instructions for future reference.

Printed in Korea
P/No.: 3828W5U0503

YOUR SAFETY FIRST

BEFORE YOU START

° Proper installation is the installer's responsibility!

- Read the entire manual before you begin. The Model number label is located on the oven front. See Figure 1.
Mounting plate is located on back side of microwave oven. See Figure 2.

BE SURE TO READ THE FOLLOWING SAFETY INSTRUCTIONS:

Model Number Label

.....

Mounting J

plate

( Remove from

oven to install.

Figure 1 Figure 2

000000000%0000

WARNING

FOR YOUR SAFETY:

° You will need TWO people to install this oven. It is heavy and could cause personal injury if not handled properly.

The dimensions of the oven are as follows:

Height :16 7/16 inches

Width : 29 15/16inches

Depth : 15 5/8 inches

Weight : 60 Ibs.

• Avoid Electrical Shock!

- Before you drill into the wall, note where electrical outlets are and where electrical wires might be concealed
behind the wall. YOU COULD GET AN ELECTRIC SHOCK ifyou contact electrical wires with your drill bit.

- Locate and disconnect the power to any electrical circuits that could be affected by installing this oven.

IF YOU DO NOT DISCONNECT THE POWER, YOU COULD GET AN ELECTRIC SHOCK.

• ELECTRICAL RATING OF THIS OVEN : 120V AC 60Hz.

-You need a DEDICATED 120V, 60Hz, AC only, 15 or 20A, fused electrical supply (located in the cabinet above

the microwave as close as possible to the microwave) serving only the microwave.

YOUR SAFETY FIRST

• THIS APPLIANCE MUST BE GROUNDED!

- If there is an electrical short circuit, grounding reduces the risk of electrical shock by providing an escape wire
for the electric current. This appliance is equipped with a cord having a grounding wire with a grounding plug.

• Place the plug into a properly installed and grounded outlet. See Figure 3.

• Do not use an extension cord.

• Keep the power cord dry and do not pinch or crush it.

• DO NOT, UNDER ANY CIRCUMSTANCES, REMOVE THE

POWER SUPPLY CORD GROUNDING PRONG!

This appliance MUST be grounded!

WARNING

PROPERLY POLARIZED AND

GROUNDED OUTLET

Three-Pronged (Grounding) Plug

Figure 3

If you use the grounding plug improperly, you risk electric shockZ

- Check with a qualified electrician if you are not sure whether the oven is properly grounded or if you do not

completely understand the grounding instructions.

DO NOT USE A FUSE IN THE NEUTRAL OR GROUNDING CIRCUIT.

WARNING

Improper grounding could result in electric shock or other personal injury.

SAVE THESE INSTRUCTIONS FOR THE LOCAL ELECTRICAL INSPECTOR'S USE.

• DO NOT EXPOSE YOURSELF TO EXCESSIVE MICROWAVE ENERGY!

- DO NOT try to operate the microwave oven with the door open.

- DO NOT tamper with or defeat the safety interlocks.

- DO NOT place objects between the microwave oven front face and the door.

- DO NOT allow soil or cleaner residue to build up on the flat surfaces around the microwave oven door.

- DO NOT operate the microwave oven if it is damaged.

- The microwave oven door must close properly to operate safely.

- DO NOT USE THE MICROWAVE OVEN:

• If the door is bent.

• If the hinges or latches are broken or loose.

• If the door sealing surfaces or glass is broken or cracked.

- DO NOT ATTEMPT TO ADJUST OR REPAIR THE OVEN YOURSELF!
It should be adjusted and repaired by a qualified technician who can check for microwave leakage after

repairing the oven.

WARNING

If you do not use the microwave oven as instructed,

you could be exposed to excessive microwave energy.

YOUR SAFETY FIRST

= MAKE SURE YOU HAVE ENOUGH SPACE AND SUPPORT.

- Mount the oven against a flat, vertical wall, so it is supported by the wall. The wall should be constructed of
minimum 2" x 4" wood studding and 3/8" thick drywall or plaster/lath.

- ATTACH AT LEAST ONE of the two lag screws supporting the oven to a vertical, 2" x 4" wall stud.

- DO NOT mount the microwave oven to an island or peninsula cabinet.

- BE SURE the upper cabinet and rear wall structures are able to support 150 Ibs., plus the weight of any items

you place inside the oven or upper cabinet.

- Locate the oven away from strong draft areas, such as windows, doors, and strong heating vents.

- BE SURE you have enough space. See Figure 4 below for minimum vertical and horizontal clearance.

CAUTION

If you do not mount the oven as instructed,

you risk personal injury and/or property damage.

C_ (inside upper cabinet)

Grounded Outlet

Power Supply Cord Hole

30"rain.cabinetopeningwidth

30" min. clearancefrom bottom
ofcabinetto cookingsurface

or countertop
(Use templates included

with installation instructions)

Figure 4

CAUTION

° Before you begin installing the oven, PLACE A PIECE OF THE CARTON OR OTHER HEAVY

MATERIAL (such as a blanket) over the countertop or cooktop to protect it. Do not use a plastic cover.
Failure to protect these surfaces could result in property damage.

PARTS, TOOLS, MATERIALS

THE FOLLOWING PARTS ARE SUPPLIED WITH THE OVEN:

NOTE: Depending on your ventilation requirements, you may not use all of these parts.

Damper/duct connector

(for roof vented or wall vented installation)
Not Actual Size

One power cord clamp bushing - Actual Size (for the cord hole in a metal upper cabinet)

Four 1/4" x 2" lag screws - Actual Size
(for wall stud holes)

Two 1/4" x 3" bolts - Actual Size

One power cord clamp and
One dark-colored mounting screw

(to hold the power cord)
Actual Size

Four 1/4" x 3" toggle bolts - Actual Size
(for drywall holes)

Two tapping screws - Actual Size
(for attaching the damper duct connector)

OR

One upper cabinet template - Not Actual
Size

Four spring toggle heads -
(for the toggle bolts)

Actual Size

NOTE: You need to install at least one lag screw into a 2" x 4" stud and four anchor bolts into the wall,

and the mounting area must meet the 150 Ibs. weight requirement.

PARTS, TOOLS, MATERIALS

YOU WILL NEED THE FOLLOWING TOOLS AND MATERIALS FOR THE INSTALLATION:

or

Carton other material for the counter

heavy covering

top.

Clear tape

(for taping the templates to the wall)

Saber saw (for cutting vent
holes for roof or wall venting)

Phillips screwdriver

Pencil -"=_'

Flat blade screwdriver

Stud finder or thin nail.

Keyhole saw (for the power cord hole)

Electric drill

3/8" and 3/4" wood drill bits ,_

1/2" and 3/16"

drill bits

Plumb line

Measuring tape (metal preferred)

Small side cutters or tin snips Caulking gun

Duct Tape

Gloves

• If you have brick or masonry walls, you will need special hardware and tools.

• The ductwork you need for the installation is not included. All wall and roof caps must have a back-draft damper
(shown on page 5).

STEP 1: PREPARE THE

ELECTRICAL CONNECTIONS

_, WAR NI NG

AVOID ELECTRICAL SHOCK! THIS APPLIANCE MUST BE GROUNDED!

1. Locate the grounded electric outlet for this oven in the cabinet
above the oven, as shown in Figure 4 Detail.

NOTE: The outlet should be on a circuit dedicated to the

microwave oven 120V, 60Hz., AC only with a 15 or

20A fused electrical supply.

IMPORTANT: If you do not have the proper wall outlet, you

MUST have one installed by a qualified

electrician.

Upper I

Cabinet

@

Grounded Outlet

( Inside Cabinet )

2. You will cut the power-supply-cord hole (shown in Figure 4 Detail)
later when you prepare the wall and upper cabinet in Step 4.

NOTE: Do not use an extension cord.

Keep the power cord dry and do not pinch or crush it.

1

Power-Supply-Cord Hole

Figure 4 Detail

_,WARNING

Improper grounding could result in

electric shock or other personal injury.

• DO NOT, UNDER ANY CIRCUMSTANCES, REMOVE THE POWER SUPPLY
CORD GROUNDING PRONG! This appliance MUST be grounded!

STEP 2:

PREPARE THE VENTING SYSTEM

NOTE: The ductwork you need for outside ventilation is not included with your oven. The standard ductwork

fittings and length are shown in Figure 9, page 9.

,WARNING:FIRE HAZARD

THIS OVEN MUST BE PROPERLY VENTED!

You may vent your oven in one of three ways:

Roof-venting If your oven is located on an outside wall near the roof, as in Figures 5 (3_/4'' x 10" duct)

and 6 (6" round duct.)

Wall-venting If your oven is located on an outside wall on the first floor of your house, as in Figure 7

(3_/4 '' X 10" duct) and Figure 6 (6" round duct.)

Room-venting Ifyour oven is located on an inside wall of your house, as in Figure 8.

NOTE: If you choose the rear exhaust method (roof- or wall-venting), be sure there is enough clearance within the

wall for the exhaust duct.

"roofwenting"

roof cap

6 _ min.

diameter

round duct

elbow

oven

Roof-ventin{

duct _

through-the-roof

Figure 5

3 1/4"to round

du<_transition

3 1/4"to round

ductwork transition

Figure 6

"wall-venting"

room-venting

cabinet

cabinet

/

3 t/4"xlO" through-the-wall

Wall-venting

REMEMBER AS YOU INSTALL THE VENTING:

• Keep the length of the ductwork and the number of elbows to a minimum to ventilate your oven efficiently.
See examples on page 9.

• Keep the size of the ductwork the same.

• Do not install two elbows together.

• Use duct tape to seal all joints in the duct system.

• Use caulking to seal the exterior wall or roof opening around the cap.

duct

Figure 7

Figure 8

STEP 2:
PREPARE THE VENTING SYSYTEM

STANDARD FITTINGS

NOTE: If the existing duct is round, you must use a rectangular-to-round adapter, with a rectangular 3" extension

duct installed between the damper assembly and the adapter to prevent the exhaust damper's sticking.

DUCT LENGTH

The total length of the duct system, including straight duct, elbows, transitions, wall or roof caps must not
exceed the equivalent of 140 feet,

For best performance, do not use more than three 90 degree elbows.

Below are the standard fittings and their equivalent length in feet.

2

3 1/4"x 10"

to 6"=5ft.

5

3 1/4"x10"

90° elbow

= 1Oft.

To calculate the equivalent length of each ductpiece used, see the examples below.

wall cap

=40ft.

3 1/4"x10" roof

cap=24ft.

6

Figure 9

Exam

_les

45° elbow

=5ft.

3

3 1/4"x10" 90 °

elbow=25ft.

7

3 1/4"x 10"

flat elbow

= 1Oft.

For 3 1/4"x10" SYSTEMS

3 1/4"x10" _ 6ft. | wall cap

90° elbow _i I _

1-3 1/4" x 10" 90° elbow = 25 ft.
1-Wall Cap = 40 ft.

8 feet straight duct = 8 ft.

TOTAL LENGTH = 73 ft.

For 6" ROUND SYSTEMS

9O°elbows _ 6ft.-_1¢wall

transi_

1-transition

2-90 ° elbows

1-Wall Cap

8 feet straight

TOTAL LENGTH

cap

5ft.

20 ft.

40 ft.

8ft.

73 ft.

STEP 3:

PREPARE THE VENTING BLOWER

Your microwave oven is shipped with the blower assembled for roof venting. You need to adjust the blower if
you want wall-venting or room-vented (recirculating) installation.

, WARNING

ELECTRICAL SHOCK HAZARD! UNPLUG UNIT BEFORE WORKING ON IT,

• DO NOT PULL OR STRETCH THE BLOWER WIRING! Pulling and stretching the blower wiring could result in
electrical shock.

REMOVE THE MOUNTING PLATE:

1. Remove any shipping materials and parts from inside
the microwave oven.

2. Cover the countertop or cooktop with a thick,
protective covering to protect it from damage and dirt.

See Figure 10.

NOTE: If you have a free-standing range, disconnect it, move it

onto a piece of cardboard or hardboard and pull it away
from the wall, so that you can get closer to the upper
cabinet and back wall for easier measuring and drilling.

3. Remove mounting plate screw(s) (1 or 2 screws)

from the mounting plate as shown and discard

(see Figure 1 1).

4. This plate will be used to locate and mark the mounting
holes on the rear wall. (It will be used to locate and

mark the mounting holes on the rear wall.)

5. Locate exhaust adaptor, grease filters and hardware
packet.

6. At this point, remove any adhesive tape (if there is any),
on the exhaust adaptor, the grease filters and the

power supply cord.

A thick, protective

covering

/

Figure 10

ROOF-VENTED INSTALLATION:

This oven is shipped assembled for roof-vented. You

will need to install the exhaust adaptor regardless of
cabinet.

1. Attach the exhaust adaptor to the blower plate by
sliding it into the guides (see Figure 12).

Go to step 4 on page 13.

adaptor

..<__ J Exhaust

I

L.= l ',

Back

ot oven

t-- Control panel side

Figure 11

lO

STEP 3:

PREPARE THE VENTING BLOWER

WALL-VENTED INSTALLATION:

1. Remove one blower unit mounting screw and one blower
plate screw. Remove the blower plate from cabinet.

See Figure 13.

2. Carefully lift the blower unit out of the microwave oven.

3. Use side cutters or tin snips to cut and remove knockouts
"B" from Back plate. Discard knockouts. Be careful net

to distort the plate. See Figure 14.

4. Reassemble the blower wire. See Figure 15.

5. Rotate the unit so that the exhaust ports face the rear of
the cabinet. See Figure 16. When you insert blower unit,
blower wire must be like Figure 16.

6. Place blower unit back into cabinet. Check that the
exhaust ports face towards the rear of the cabinet.

See Figure 17.

7. Reattach the blower plate to cabinet so the exhaust ports
and blower plate opening are aligned. Attach with one
blower unit mounting screw and then one blower plate
mounting screw. See Figure 18.

blower unit

back plate

blower plate
mounting screws

"_.\

blower unit

{Option> mounting screw

Figure 13

Parts "B"

Figure 14

Figure 15

11

Figure 16

exhaust
ports

blower
unit