Bosch Appliances Microwave Oven HMV9302 User Manual

Hous ehold Appliances  
Over-the-Range Microwave  
Ins tallation Ins tructions  
For Models: HMV9302, HMV9305, HMV9306, HMV9307  
PLEASE READ ENTIRE INSTRUCTIONS BEFORE PROCEEDING  
IMPORTANT: Save these instructions for the local electrical inspectors use.  
INSTALLER: Please leave these Installation Instructions with this unit for the owner.  
OWNER: Please retain these instructions for future reference.  
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• THIS APPLIANCE MUST BE GROUNDED!  
3
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 lbs., 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.  
If you do not mount the oven as ins tructed,  
you ris k pers onal injury and/ or property damage.  
Grounded Outlet  
(inside upper cabinet)  
Power Supply Cord Hole  
30" min. cabinet opening width  
30" min. clearance from bottom  
of cabinet to cooking surface  
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 us e a plas tic cover.  
Failure to protect these surfaces could result in property damage.  
4
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PARTS, TOOLS, MATERIALS  
THE FOLLOWING PARTS ARE SUPPLIED WITH THE OVEN:  
Damper/ duct connector  
(for roof vented or wall vented installation)  
Not Actual Size  
Four 1/ 4" x 2" lag screws - Actual Size  
Four 1/ 4" x 3" toggle bolts - Actual Size  
(for wall stud holes)  
(for drywall holes)  
Two 1/ 4" x 3" bolts - Actual Size  
(for securing to the upper cabinet)  
OR  
11  
Four spring toggle heads - Actual Size  
centerline  
10-  
8"  
Upper-cabinet template  
R
o
o
f
-
v
e
n
t
i
n
g
i
n
s
t
a
l
l
a
t
i
o
n
10- 3 16  
(for the toggle bolts)  
B
C
D
8-  
4"  
12"  
6"  
5
PARTS, TOOLS, MATERIALS  
YOU WILL NEED THE FOLLOWING TOOLS AND MATERIALS FOR THE INSTALLATION:  
Carton or other heavy material for covering the counter top.  
Clear tape  
(for taping the templates to the wall)  
Stud finder or thin nail.  
Keyhole saw (for the power cord hole)  
Saber saw (for cutting vent  
holes for roof or wall venting)  
Electric drill  
Phillips screwdriver  
3/8" and 3/4" wood drill bits  
1/2" and 3/16"  
drill bits  
Pencil  
Plumb line  
Duct Tape  
Flat blade screwdriver  
Measuring tape (metal preferred)  
Small side cutters or tin snips  
Caulking gun  
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).  
6
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STEP 1: PREPARE THE  
ELECTRICAL CONNECTIONS  
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.  
Upper  
Cabinet  
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  
Grounded Outlet  
( Inside Cabinet )  
MUST have one installed by a qualified  
electrician.  
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.  
Power-Supply-Cord Hole  
NOTE: Do not use an extension cord.  
Figure 4 Detail  
Keep the power cord dry and do not pinch or crush it.  
Improper grounding could res ult in  
electric s hock or other pers onal injury.  
DO NOT, UNDER ANY CIRCUMSTANCES, REMOVE THE POWER SUPPLY  
CORD GROUNDING PRONG! This appliance MUST be grounded!  
7
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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.  
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 (31/4" x 10" duct)  
and 8 (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  
(31/4" x 10" duct) and Figure 6 (6" round duct.)  
Room-venting If your 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.  
roof-venting”  
roof cap  
roof cap  
cabinet  
6" min.  
wall cap  
diameter  
3 1/4"x10"  
duct  
round duct  
elbow  
3 1/4" to round  
duct transition  
oven  
3 1/4" to round  
ductwork transition  
through-the-roof  
Roof-venting  
Figure 6  
Figure 5  
wall-venting”  
room-venting  
cabinet  
cabinet  
wall cap  
oven  
Wall-venting  
3 1/4"x10"  
duct  
through-the-wall  
oven  
Figure 8  
Figure 7  
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.  
8
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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 dampers sticking.  
DUCT LENGTH  
The total length of the duct system, including straight duct, elbows, transitions, wall or roof caps mus t 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.  
1
2
3
3 1/4"x10"  
to 6"=5ft.  
3 1/4"x10" roof  
cap=24ft.  
3 1/4"x10" 90˚  
elbow=25ft.  
4
5
6
7
3 1/4"x10"  
wall cap  
=40ft.  
3 1/4"x10"  
flat elbow  
=10ft.  
90o elbow  
=10ft.  
45o elbow  
=5ft.  
Figure 9  
To calculate the equivalent length of each ductpiece used, see the examples below.  
Examples  
For 3 1/ 4"x10" SYSTEMS  
For 6" ROUND SYSTEMS  
wall cap  
o
90 elbows  
6ft.  
3 1/4"x10"  
o
6ft.  
wall cap  
90 elbow  
2ft.  
transition  
2ft.  
=
=
=
=
=
5 ft.  
1-transition  
2-90o elbows  
1-Wall Cap  
1-3 1/ 4" x 10" 90o elbow  
1-Wall Cap  
8 feet straight duct  
TOTAL LENGTH  
=
25 ft.  
40 ft.  
8 ft.  
20 ft.  
40 ft.  
8 ft.  
=
=
=
8 feet straight  
73 ft.  
73 ft.  
TOTAL LENGTH  
9
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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.  
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  
A thick, protective  
the microwave oven.  
covering  
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.  
Figure 10  
3. Remove mounting plate screw(s) (1 or 2 screws)  
from the mounting plate as shown and discard  
(see Figure 11).  
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.  
Mounting  
plate  
6. At this point, remove any adhesive tape (if there is any),  
on the exhaust adaptor, the grease filters and the  
power supply cord.  
Mounting plate  
screw(s)  
(1 or 2 screws)  
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).  
Control panel side  
Figure 11  
Go to step 4 on page 13.  
Exhaust  
adaptor  
Back  
of oven  
Figure 12  
10  
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STEP 3:  
PREPARE THE VENTING BLOWER  
WALL-VENTED INSTALLATION:  
back plate  
blower unit  
1. Remove one blower unit mounting screw and one blower  
plate screw. Remove the blower plate from cabinet.  
See Figure 13.  
blower plate  
mounting screws  
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 not  
to distort the plate. See Figure 14.  
Parts "B"  
blower unit  
mounting screw  
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.  
Figure 13  
6. Place blower unit back into cabinet. Check that the  
exhaust ports face towards the rear of the cabinet.  
See Figure 17.  
Knockout Parts "B"  
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.  
Parts "B"  
Figure 14  
blower  
unit  
exhaust  
ports  
Figure 16  
11  
STEP 3:  
PREPARE THE VENTING BLOWER  
blower plate  
mounting screws  
exhaust  
ports  
blower unit  
exhaust ports  
Figure 17  
blower unit  
mounting screws  
Figure 18  
ROOM-VENTED (Recirculating)  
INSTALLATION:  
1. Remove one blower unit mounting screw and one  
blower plate screw. Remove the blower plate from  
cabinet. See Figure 19.  
blower unit  
2. Carefully lift the blower unit out of the microwave oven.  
blower plate  
mounting screws  
3. Rotate blower unit 90˚ so the exhaust ports face the  
front of the cabinet. See Figure 20.  
4. Place blower unit back into microwave oven.  
blower unit  
mounting screws  
5. Reattach blower plate to microwave oven. Attach with  
the one blower unit mounting screw and then the one  
blower plate mounting screw. See Figure 21.  
Figure 19  
blower plate  
mounting screws  
blower  
unit  
blower unit  
mounting screws  
Figure 20  
Figure 21  
12  
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STEP 4: PREPARE THE WALL AND  
UPPER CABINET FOR INSTALLATION  
MEASURE AND TACK / TAPE UP THE  
TEMPLATES  
1. Using a plumb line and (metal) measuring tape, find and  
mark the vertical center line on the back wall, as in  
Figure 22.  
2. Find and mark one or two points where the studs are  
on the wall (Studs are normally 16 inches apart) and  
then measure and mark the stud locations. If you  
cannot find any wall stud, consult a local building  
contractor.  
CAUTION  
DO NOT ATTEMPT TO INSTALL THE MICROWAVE  
OVEN IF YOU CANNOT FIND A WALL STUD.  
3. Line up the plumb line on the wall with the center line  
on the mounting plate.  
Figure 22  
NOTE: Be sure the minimum width is 30 inches and the  
distance from the top of the mounting plate to  
the range or counter top is at least 30 inches.  
See Figure 4 on page 4.  
4. Center mounting plate on rear wall installation area by  
lining up the plumb line on wall with centerline on  
mounting plate. Make sure the minimum width is 30  
inches and that the top of the mounting plate is located a  
minimum of 30 inches above the cooking surface. See  
Figure 23.  
upper cabinet template  
mounting plate  
NOTE: If the cabinets are not plumb, adjust the  
mounting plate to the cabinets. If the front edge  
of the cabinet is lower than the back edge,  
adjust the mounting plate to be level with the  
cabinet front.  
Figure 23  
5. Measure the bottom of the upper cabinet frame. Trim  
the edges "A" "B" and "C" on the upper cabinet  
template so that the template will fit on the bottom of  
the upper cabinet. If upper cabinet has a recessed  
frame, trim template so that it fits inside the recessed  
area. Align the centerline of the upper cabinet template  
with the centerline of the mounting plate; then securely  
tape or tack the upper cabinet template in place.  
See Figure 23  
13  
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STEP 4: PREPARE THE WALL AND  
UPPER CABINET FOR INSTALLATION  
DRILLING THE HOLES IN THE WALL AND UPPER CABINET:  
BE VERY CAREFUL WHEN DRILLING HOLES INTO THE WALL.  
Electrical wires could be concealed behind the wall covering  
and if the drill hits them you could get an electric s hock.  
1. Find the points on the mounting plate labeled A, B, C, and D. Drill a 3/16" diameter hole at any of these points that  
are in front of a wall stud. Drill a 3/4" diameter hole at any of these points that are over drywall.  
2. Drill a 3/8" hole at points J and K on the upper cabinet template.  
NOTE: If the bottom of the upper cabinet is recessed 3/4" or more, you will need 2"x2" filler blocks (not included) to  
provide additional support for the bolts. See Figure 24.  
Mark the center of each filler block and drill a 3/8" diameter hole at the mark.  
Align filler blocks over the two openings in the top of the microwave oven cabinet and attach to cabinet  
with masking tape. See Figure 25.  
filler block  
cabinet  
bottom shelf  
cabinet front  
filler  
block  
Figure 24  
Figure 25  
3. Cut or drill a 2" diameter hole at the area marked M, power supply cord holeon the upper cabinet template.  
If the upper cabinet is metal, you will need to cover the edge of the hole with the power supply cord bushing  
(supplied) to prevent damage to the cord from the rough metal edge.  
YOU MUST COVER THE EDGE OF THE POWER SUPPLY CORD HOLE IN  
A METAL CABINET WITH THE POWER SUPPLY CORD BUSHING.  
FAILURE TO DO SO COULD RESULT IN DAMAGE TO THE CORD AND  
ELECTRIC SHOCK.  
4. Cut out the venting areas (with the saber saw):  
Roof-Vented: cut out the shaded area marked L on the upper cabinet template.  
Wall-Vented: go to STEP 5, INSTALL THE MOUNTING PLATE, located on page 16.  
5. Use caulking compound to seal the exterior wall or roof opening around the wall cap or roof cap.  
14  
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STEP 5: INSTALL THE MOUNTING  
PLATE TO THE WALL  
CONNECTING THE OVEN TO A WALL STUD:  
3/16" Hole on Studs  
3/4" Hole on Drywall Only  
NOTE: The oven must be connected to at least one  
wall stud.  
Minimum 66  
From the Floor  
"
1. Draw a vertical line on the wall at the center of the 30  
wide space.  
For Wall-  
Vented Only  
Use the mounting plate as the template for the rear  
wall. Place the mounting plate on the wall, making sure  
that the tabs are against the bottom of the cabinet. Line  
up the notch and center line on the mounting plate to  
the center line on the wall.  
2. While holding the mounting plate with one hand, draw  
circles on the wall at holes A, B, C and D. Four holes  
must be used for mounting. If the holes are not used,  
the installation will not be secure. Installer must use  
these holes for proper installation. Use toggle bolts  
through these holes unless one of them lines up with a  
stud. Use a lag screw for studs.  
Draw Lines  
on Studs  
Mounting  
Plate  
Draw  
Center Line  
NOTE: Draw a fifth circle inside area E, through one of  
the holes to match the location of a stud.  
A
B
For wall-vented: The oven requires a rear wall cutout  
opening for the rear wall duct and the exhaust adaptor  
must be attached to the mounting plate. See the next page  
on how to prepare the rear wall cutout opening and the  
exhaust adaptor/mounting plate for wall-vented.  
D
C
Center Line  
3. Drill holes on the circles. If there is a stud, drill a 3/16″  
hole for lag screws. Two or preferably four lag screws  
at holes A and C or B and D must be used to secure  
mounting plate to wall. If there is no stud, drill a 3/4″  
hole for toggle bolts. Make sure to use at least 1 lag  
screw at holes of area Ein a stud, and 4 toggle bolts  
at holes A, B, C and D in the drywall or the plaster.  
E
Support Tab  
Support Tab  
Figure 26  
4. Attach the plate to the wall. To use spring toggle head  
bolts: Remove the toggle wings from the bolts. Insert  
the bolts into the mounting plate and replace the spring  
toggle head to 3/4past the bolt ends. Insert the spring  
toggle head into the holes in the wall to mount the  
bracket. You may pull forward on the bracket to help in  
tightening the toggle bolts. Tighten all bolts.  
See Figure 27.  
Space More Than Wall Thickness  
Toggle Wings  
Mounting  
Plate  
Toggle Bolt  
Bolt  
End  
Wall  
Figure 27  
15  
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STEP 5: INSTALL THE MOUNTING  
PLATE TO THE WALL  
TO PREPARE THE REAR WALL  
CUTOUT OPENING AND EXHAUST  
ADAPTOR/ MOUNTING PLATE FOR  
WALL-VENTED:  
1. Place the mounting plate against the rear wall as  
described in step 5 item 1 (page 15).  
2. Using a pencil, put dots through slots F and G, and  
through holes H and I. Remove the mounting plate and  
draw lines extending through the points. This will give  
the location and size of the box cutout for the rear wall  
Figure 28  
duct. See Figure 28.  
Attach the exhaust adaptor to the rear mounting plate by  
sliding it into the guides at the top center of the plate on  
the wall side. Push in securely until it is past the top  
locking tabs and in the lower locking tabs. Take care to  
assure the damper hinge is installed so that it is at the  
top and that the damper swings freely.  
Damper  
(hinge side up)  
Exhaust Adaptor  
Mounting Plate  
(wall side)  
Slide exhaust  
adaptor into  
guides on  
Carefully guide the exhaust adaptor (now attached to the  
mounting plate) into the house duct, before using the  
screws to attach the plate to the wall. This will assure  
proper alignment for installation. See Figure 29.  
rear panel.  
Locking  
Tabs  
Return to step 5, item 3 (page 15) to continue. After  
completing the installation of the mounting plate, again  
check the rear damper for free movement to assure it  
will operate properly.  
Guides  
Figure 29  
16  
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STEP 6:  
ATTACH THE OVEN TO THE WALL  
power cord  
You will need two people to lift this  
microwave. Failure to us e more  
than one pers on could res ult in  
pers onal injury.  
power cord  
hole  
1. Carefully lift microwave oven and hang it on support  
tabs (See Figure 26 on the page 15) at the bottom  
of the mounting plate. Reaching through upper  
cabinet, thread power supply cord through the  
power supply cord hole in the bottom of the upper  
cabinet.  
See Figure 30.  
Figure 30  
2. Rotate the microwave oven upward so the top of  
oven is against the bottom of the upper cabinet or  
cabinet frame.  
3. Insert a bolt down through each hole in the upper  
cabinet bottom. See Figure 31.  
Tighten the bolts until the gap between the upper  
cabinet and microwave oven is closed.  
4. If wall vented or room vented installation is used, go  
to No.7 on the next page.  
Figure 31  
17  
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STEP 6:  
ATTACH THE OVEN TO THE WALL  
5. Roof vented installation: See Figure 32  
Install ductwork through the vent opening in the upper  
cabinet. Complete the venting system through the roof  
according to the method needed.  
damper  
See PREPARE THE VENTING SYSTEM,step 2 on  
the page 8. Use caulking to seal exterior roof opening  
around the exhaust cap. See Figure 6 on page 8.  
Figure 32  
6. Use power supply cord clamp to bundle the power  
supply cord. Install the power supply cord clamp, using  
a screw as shown in Figure 33, to inside of the cabinet.  
duct  
7. To install the grease filter: Slide it into the slide slot,  
power  
supply  
cord  
then push up and toward oven center to lock.  
See Figure 34.  
clamp  
8. Plug in the power supply cord.  
Figure 33  
9. Read your use and care manual, then check the  
operation of your microwave oven.  
Figure 34  
18  
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Ins tallation Notes  
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Printed in Korea  
P/No.: 3828W5U0310  
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