LG Electronics LMHM2237ST Installation Guide download pdf (Page 7)

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STEP 2: Prepare The Venting System

THIS OVEN MUST BE PROPERLY VENTED!

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

fittings and length are shown in Figure 10, page 8.

You may vent your oven in one of three ways. However, do NOT vent into a wall cavity, an attic, or an unused

area.

Roof-venting If your oven is located on an outside wall near the roof, as in Figure 7 (3 1/4" x 10" duct) and

Figure 9 (6" round duct.)

Wall-venting If your oven is located on an outside wall of your house, as in Figure 6 (3 1/4" x 10" duct) and

Figure 9 (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.

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

Wall Mounting

Through-the-wall Duct

Wall Cap

3 1/4"x10"

Duct

Cabinet

Oven

Figure 6

Wall Venting

Through-the-roof

3 1/4"x10"

Duct

Roof Cap

Roof Venting

Cabinet

Oven

Figure 7

Roof Venting

Figure 8

Room Venting

6"min diameter

Round Duct

3 1/4" to Round

Duct Transition

3 1/4" to Round

Ductwork Transition

Roof Cap

Wall Cap

Elbow

Figure 9

W ARNING

After installation, you should check outside hood opening and operation.

When you install the oven, please refer to the Installation Manual.

For the outside hood opening position and size refer to the upper cabinet template or rear wall template.

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LG Electronics LMHM2237ST Installation Guide Page 7

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