background image

– 

9

 –

STEP 3: 

Prepare The Venting Blower

Your microwave oven is shipped with the blower assembled for 

roof

-

ve

nting. You need to adjust the blower if you

want wall-venting or room-venting installation.

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

electric shock.

1. Remove any shipping materials and parts from inside the

microwave oven. Set them aside for later use.

2. Cover the counter top or cooktop with a thick, protective

covering to protect it from damage and dirt. See Figure 11.

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

. Locate 

the 

exhaust adaptor, grease filters and hardware packet.

4

. At this point, remove any adhesive tape (if there is any), on the

exhaust adaptor, the grease filters and the power supply cord.

ROO

F

-

V

ENT

ING

 INSTALLATION:

This oven is shipped assembled for 

roof

-venting.

1

. Insert the tabs on each side of the damper into the holes

    at the inside rear of the adaptor. 
    Attach the exhaust adaptor to the blower plate with the two
    tapping screws provided. See Figure 12.
    Make sure that the damper swings freely. 

A thick, protective

covering

Figure 11

ELECTRIC SHOCK HAZARD! UNPLUG UNIT BEFORE WORKING ON IT.

W A R N I N G

w

w

W A R N I N G

FIRE HAZARD! CORRECTLY INSTALL THE VENT FAN BEFORE USE 

.

 When changing the vent fan position for

 a

 rear wall vent or room vent:

1. Properly align the ventilation fan openings and blower plate knockouts.  
2. Ventilation fan openings should be completely exposed to the outside. 

Improper

 installation can cause problems such as:

 

1. Inability to assembl

e

 blower plate or ventilation motor correctly.

 2. Abnormal noise during product operation. 

3. Weak ventilation.

 4. Product overheating - possibility of  product breakdown or fire.   

 

Figure 1

2

Damper

Exhaust
Adaptor

Back of

Oven

Exhaust
Adaptor

Blower Plate

3

.

After installation, check the air ventilation path.

 

Refer to page 7 

Figures 6-8 for proper vent selection.

 

 

 

NOTE: Set the product down on a flat surface only.

 

 

Do not remove the packing tape on the slide-out vent.

Summary of Contents for LMHM2237BD/01

Page 1: ...Website http www lg com MICROWAVE OVEN INSTALLATION INSTRUCTIONS PLEASE READ AND SAVE THESE INSTALLATION INSTRUCTIONS MFL06206505 ...

Page 2: ...tric 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 Failure to follow this instruction may cause a fire hazard DO NOT UNDER ANY CIRCUMSTANCES REMOVE THE POWER SUPPLY CORD GROUNDING PRONG This applia...

Page 3: ...Power Supply Cord Hole Use templates included with installation instructions If you do not mount the oven as instructed you risk personal injury and or property damage NOTE Maximum cabinet depth is 13 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...

Page 4: ...he damper duct connector One upper cabinet template Not Actual Size One rear wall template Not Actual Size 1 piece mounting plate only One power cord clamp bushing Actual Size for the cord hole in a metal upper cabinet NOTE You need to install at least one lag screws into a 2 x 4 stud and three anchor bolts into the wall and the mounting area must meet the 150 lbs weight requirement Two One mounti...

Page 5: ...aw for the power cord hole You will need the following tools and materials for the installation Carton or other heavy material such as a blanket for covering the counter top 3 8 and 3 4 wood drill bits 1 2 and 3 16 drill bits Electric Drill Small Side Cutters Nipper or Tin Snips If you have brick or masonry walls you will need special hardware and tools The ductwork you need for the installation i...

Page 6: ...o not have the proper wall outlet you MUST have one installed by a qualified electrician 2 You will cut the hole for the power supply cord shown in Figure 5 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 DO NOT UNDER ANY CIRCUMSTANCES REMOVE THE POWER SUPPLY CORD GROUNDING PRONG This appliance MUST ...

Page 7: ...ll for the exhaust duct 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 8 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 Cabinet Oven Wal...

Page 8: ...ee elbows and keep the length as short as possible Below are the standard fittings and their equivalent length in feet To calculate the equivalent length of each duct piece used see the examples below Figure 10 6ft 2ft 2ft wall cap 6ft transition wall cap For 3 1 4 x 10 SYSTEMS 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 1 transition 5 ft 2 90 elbows 2...

Page 9: ... shipped assembled for roof venting 1 Insert the tabs on each side of the damper into the holes at the inside rear of the adaptor Attach the exhaust adaptor to the blower plate with the two tapping screws provided See Figure 12 Make sure that the damper swings freely A thick protective covering Figure 11 ELECTRIC SHOCK HAZARD UNPLUG UNIT BEFORE WORKING ON IT W A R N I N G w wW A R N I N G FIRE HAZ...

Page 10: ...ower unit mounting screw and then one or several blower plate mounting screw s See Figure 19 7 Insert the tabs on each side of the damper into the holes at the inside rear of the adaptor Attach the exhaust adaptor to the back plate 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 to...

Page 11: ...attach blower plate to microwave oven Attach with the one blower unit mounting screw and then the one or several blower plate mounting screw s See Figure 25 Figure 21 Figure 25 Blower Plate Mounting Screw Blower Plate Back Plate Parts B Blower Unit Figure 23 Blower Unit Blower Unit Mounting Screw Blower Plate Mounting Screw Blower Plate Back Plate Blower Unit Mounting Screw Blower Unit Parts B 5 P...

Page 12: ... 27 4 Center the rear wall template in the space by lining up the plumb line on wall with centerline on template Then securely tape or tack the rear wall template in place Make sure the minimum width is 30 inches and that the top of the rear wall template is located a minimum of 30 inches above the cooking surface See Figure 26 NOTE If the cabinets are not plumb adjust the rear wall template to th...

Page 13: ...e 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 4 Cut out the venting areas with the saber saw Roof Venting cut out the shaded area marked L on the upper cabinet template Room Venting go to STEP 5 INSTALL THE MOUNTING PLATE located on page 14 5 Complete whichever venting ...

Page 14: ...mplate to the cabinets If the front edge of the cabinet is lower than the back edge adjust the template to be level with the cabinet front a stud If there is a stud drill a 3 16 hole for lag screws If there is no stud drill a 5 8 hole for toggle bolts These 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 instal...

Page 15: ... in Figure 35 to the inside of the cabinet 6 Grasp the filter screen with one hand holding the ring and the other hand holding the opposite end Insert the end of the filter screen without ring into the opening and slide towards the side of the microwave oven Insert ring end of filter screen into the opening and slide entire screen towards the center of the microwave until screen is securely in pos...

Page 16: ...Printed in China ...

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