Whirlpool MH7110XBB5 Installation Guide
IMPORTANT:
Read and save
these instructions.
IMPORTANT:
Installer:Leave Installation Instructions
with homeowner.
Homeowner: Keep Installation Instructions
for future reference.
Save Installation Instructions for electrical
inspector's use.
Pan' No. 38474W5005676/4358519 Rev. A
Microwave Hood
Combination
Before you start...
Proper installation is the installer's
responsibility. A qualified technician should
install this microwave oven. Make sure you
have everything necessary for correct
installation. It is the responsibility of the
installer to comply with the installation
clearances specified either on the
mounting bracket or in the Installation
Instructions.
'_29-7/8" _i _ 13-'-Z_'_''.//_',
Important: Observe all
governing codes and
ordinances.
Remove all
contents from
the upper
cabinet.
30" min. cabinet
opening width
16"
Electrical ground is
required. See "Electrical
requirements", Panel B.
30" rain. to top of wall
mounting bracket
l
Excessive Microwave Energy Exposure
• Do Not attempt to operate this
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
accumulate on sealing surface of
microwave oven door.
• Do Not operate microwave oven if it is
damaged.
• The microwave oven door must close
properly to provide sate operation. Do
Not use microwave oven if door isbent;
hinges and latches are broken or loose;
or door seals, sealing surfaces or glass is
broken.
• The microwave oven should be
adjusted and repaired only by a
qualified repair person.
• Have a qualified repair person check
for microwave leakage if a repair is
made.
• Do Not use microwave oven for
commercial purposes. Thismicrowave
oven isdesigned for household use
only.
Failure to use microwave oven except as
instructed could result in exposure to
excessive microwave energy.
This product issuitable
for use above electricand gas cooking
products 30""wide
or less.
Wall construction should be a minimum of
2" x 4" wood studding and 3/8" thickness
drywall or plaster/lath.
Remove all packaging material from inside
microwave oven. Check the microwave
oven for damage -- see WARNING for
excessive microwave energy exposure. If
any damage is evident, Do Not operate
the microwave oven until it ischecked by
an authorized service technician.
Properly Damage
Place a portion of carton or another
heavy material over the countertop and
range before installing the microwave
hood. Do Not use a plastic cover.
Failure to protect cooking surface or
countertop could result in property
damage.
Parts supplied
for installation:
Check location where microwave oven will
be installed. The wall must be strong
enough to support the microwave weight
of 150 Ibs, plus the weight of any items
placed inside the microwave or the upper
cabinet. The location should be away from
draft areas, such as windows, doors, and
strong heating vents. The microwave oven
should be located for convenient use in the
kitchen.
Tools and materials
needed for
installation:
screwdriver
j__ Phillips
stud finder or
thin nail
/'_ electric drill
carton or another
heavy material
for covering
countertop
318"and 3/4"
wood drill bits
Personal Injury Hazard
Two people are required to lift this
microwave oven.
Failure to use more than one person
during installation may result in personal
injury.
• Thismicrowave oven must be mounted
against and supported by a flat, vertical
wail.
• Thismicrowave oven must be attached
with two lag screws to a minimum of
one, vertical 2" x 4" wall stud.
• Do Not mount microwave oven to an
island or peninsula cabinet.
• The microwave oven top and rear
supporting structure must be capable of
supporting 150 Ib, plus the weight of any
items placed inside the microwave
oven or upper cabinet.
Failure to mount the microwave oven as
instructed could result in personal injury
and/or property damage.
Electrical Shock Hazard
It isthe customer's responsibility:
• To contact a qualified electrical
installer.
• To assure that the electrical installation
isadequate and in conformance with
National Electrical Code, ANSI/NFPA
70 -- latest edition*, and all local codes
and ordinances.
Failure to do so could result in fire,
electrical shock or other personal injury.
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6, I/4" x 3" bolts
4 spring toggle-heads
4, I/4" x 2" bolts
4, I/4" x 2" lag screws
2 tapping screws
(bright-colored)
2 washers
2filters
1powersupply Special hardware and tools are required for
cord bushing brick or masonry walls.
duct tape
measuring tape
• Care must be taken when drilling holes
into the wall. Electrical wires may be
concealed behind the wall covering
and contact with them could result in
electrical shock.
• Locate any electrical circuits that could
be affected by the installation of this
product and disconnect power circuit.
Failure to do so could result in electrical
shock or other personal injury.
* Copies of the standard listed may be
obtained from:
National Fire Protection Association
Batterymarch Park
Quincy, Massachusetts 02269
Panel A
Electrical
Venting
roof
requirements
Electrical Shock Hazard
• Electrical ground is required on this
appliance.
• Do Not ground to a gas pipe.
• Do Not modify the power supply cord
plug. If it does not fit the outlet, have a
proper outlet installed by a qualified
electrician.
• Do Not have a fuse in the neutral or
grounding circuit. A fuse in the neutral
or grounding circuit could result in an
electrical shock.
• Do Not use an extension cord with this
appliance.
• Check with a qualified electrician if
you are in doubt as to whether the
appliance is properly grounded.
Failure to follow these instructions could
result in serious injury or death.
If codes permit and a separate grounding
wire is used, it isrecommended that a
qualified electrician determine that the
grounding path is adequate.
A 120-volt, 60-Hz, AC-only, 15- or 20-ampere,
fused electrical supply (located in the upper
cabinet as close as possible to the
microwave oven) is required. A time-delay
fuse or circuit breaker isrecommended. It is
recommended that a separate circuit
serving only this appliance be provided.
r_
iI
I ii
I_11
I it
I
l il
requirements
Ductwork needed for Installation is not
included. Wall and roof caps used must
have back-draft damper.
Fire Hazard
• Venting system must terminate to the
outside.
• Do Not terminate the ductwork in an
attic or other enclosed space.
• Do Not use 4" laundry-type wall caps.
• Do Not use plastic ductwork.
Failure to follow recommended venting
procedures may result in a fire.
CAUTION: To reduce risk of fire and
to properly exhaust air, be sure to
duct air outside. - Do Not vent
exhaust air into spaces within walls
or ceilings or into attics, crawl
spaces or garages.
Rigid metal ductwork is recommended.
Flexible metal ductwork isNot
recommended. If flexible metal ductwork is
used, calculate each foot of flexible metal
ductwork as two feet of straight metal
ductwork. Flexible metal elbows count
twice as much as standard elbows. Use
metal ductwork only.
Determine which venting method (roof-
venting or wall-venting) you need to use.
This microwave hood isequipped for roof-
or wall-venting installation.
The length of the ductwork and number of
elbows should be kept to a minimum to
provide efficient performance. The size of
ductwork should be uniform. Do Not install
two elbows together. Use duct tape to seal
all joints in the duct system. Use caulking to
seal exterior wall or roof opening around
cap. Figures 2-5 show common venting
methods and types of materials needed.
Note: If the rear exhaust method is chosen,
be sure that there is proper clearance
within the wall for the exhaust duct.
6" min.
diameter
round duct
3-I/4" to
round duct
transition
3-I/4" x 10" to round
ductwork transition
Figure 5
Recommended duct length
Use 3-I/4"x I0"or6"duct.The totallength
ofthe duct system includingstraightduct,
elbow, transitions,wallorroofcaps must not
exceed the equivalentof 140 feetof 3-I/4"
x I0"rectangularor6"diameter round duct.
Forbest performance, use no more than
three 90°elbows.To calculatethe lengthof
system you need, add the equivalentfeet
foreach duct piece used inthe system.See
the followingexamples:
3- I/4" x 10" duct system
3-I/4" x I0"
90° elbo_ _1_6 ft,-_ wall cap
1- 3-1/4" x 10"
90° elbow : 25 ft.
1 wall cap = 40 ft.
8 feet straight = 8 ft.
Length of
3-1/4"" x 10" system = 73 ft.
6" duct system
90° elbows J
6ft.
Recommended grounding method
For your personal safety, this appliance
must be grounded. Thisappliance is
equipped with a power supply cord having
a 3-prong grounding plug. To minimize
possible shock hazard, the cord must be
plugged into a mating 3-prong grounding-
type wall receptacle, grounded in
accordance with the National Electrical
Code, ANSI/NFPA 70 -- latest edition*, and
all local codes and ordinances. (See Figure
1.) If a mating wall receptacle isnot
available, it isthe personal responsibility
and obligation of the customer to have a
properly grounded, 3-prong wall
receptacle installed by a qualified
electrician.
3-pron._
grounding plug
power
supply cord
grounding prong
Figure I
3-prong
grounding-type
wall receptacle
Roof venting Wall venting
Figure 2
roof cap
3-I/4" x 10"
duct
through-the-roof
Figure 3
wall cap
3-I/4" x 10"through-the-wall
Figure 4
transition
1 - transition = 5 ft.
2 - 90° elbows = 20 ft.
1 - wall cap = 40 ft.
8 feet straight = 8 ft.
Length of 6" system = 73 ft.
Recommended standard fittings
:.:.:.:....:.:.:.:.
:-:-:-:-:.:.:-:o:.:..,,..._
..::_::..
..::_:_:]:-:':;.]:.::.--:..
========================
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---:::::: _:::.}..:-- ....
:.:.:.--:.:_._.:.:.:-.-.:.
......
3-1/4" x 10"
to 6" = 5 ft.
..::iii::..
.-.-.:.:.:.:.:.:.:.:_-.
90 ° elbow
= lOft.
3-1/4" x 10"
roof cap : 24 ft.
3-1/4" x 10"
wall cap =
40 ft.
::.._'::::::::::::::::
_..==...........
45° elbow
=Sft.
If the existing duct is round, a rectangular-
to-round adapter must be used and a
rectangular 3" extension duct between the
damper assembly and the adapter must be
installed to prevent sticking of the exhaust
damper.
3-1/4" x 10"
90 ° elbow = 25 ft
-.......:..
3-1/4" x 10"
flat elbow =
10 ft.
Panel B
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