Whirlpool RH3730, RH3736 User Manual

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Installation Instructions and

Use and Care Guide

IMPORTANT: Read and save

these instructions.

IMPORTANT:

Installer: Leave Installation Instructions with the homeowner.

Homeowner: Keep Installation Instructions for future reference.

Save Installation Instructions for local electrical inspector's use.

626918A/9763368

RH3730 Series RH3736 Series

www.whirlpool.com

Quick Reference

Table of Contents:

Pages

Before you start Electrical requirements Product dimensions Venting requirements Installation steps Use and Care Information Warranty Requesting Assistance

or Service

4 - 6

7 - 8

9- 10

30" (76.2 cm) and 36" (91.4 cm) Convertible Range Hood

Before you start...

Proper installation is your responsibility. Make sure you have everything necessary for correct installation. It is the responsibility of the installer to comply with the clearances specified.

Check the location where the range hood will be installed. The location should be away from strong draft areas, such as windows, doors, and strong heating vents.

Mobile home installation

The installation of this range hood must conform to the Manufactured Home Construction Safety Standards, Title 24 CFR, Part 328 (formerly the Federal Standard for Mobile Home Construction and Safety, Title 24, HUD, Part 280) or when such standard is not applicable, the Standard for Manufactured Home Installation 1982 (Manufactured Home Sites, Communities and Setups) ANSI A225.1/NFPA 501A*, or latest edition, or with local codes.

Important: Observe all governing codes and ordinances.

This is the safety alert symbol. This symbol alerts you to

potential hazards that can kill or hurt you and others. All safety messages will follow the safety alert symbol and either the word “DANGER” or “WARNING”. These words mean:

You can be killed or seriously injured if you don’t follow instructions.

DANGER

WARNING

Your safety and the safety of

others is very important.

We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages.

All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what can happen if the instructions are not followed.

You can be killed or seriously injured if you don’t immediately

instructions.

Tools and materials needed for installation:

WARNING — TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:

Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicable Codes and Standards, including Fire Rated Construction. Sufficient air is needed for proper combustion and exhausting of gases through the flue (chimney) of fuel burning equipment to prevent back drafting. Follow the heating equipment manufacturer’s guideline and safety standards such as those published by the National Fire Protection Association (NFPA), and the American Society of Heating Refrigeration and Air Conditioning Engineers (ASHRAE), and the local code authorities.

When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.

Ducted fans must always be vented to the outdoors.

WARNING — To reduce the risk of fire, use only metal ductwork.

This unit must be grounded.

• flat blade screwdriver

• pliers

• drill

• ruler

• 1-1/4" (3.0 cm) drill bit

• 1/8" (or 3 mm) drill bit for pilot holes

• pencil

Parts supplied:

• filter with built-in light lens

• 3-1/4" x 10" (8.3 x 25.4 cm) damper/vent connector

• parts bag

• compass or 8" (20.3 cm) circle template

• metal snips

• keyhole saw

• saber saw

• duct tape

• 7" (17.8 cm) round damper if using 7" (17.8 cm) round vent system

Electrical requirements

Important: Observe all governing codes and ordinances.

It is the customer’s responsibility:

• To contact a qualified electrical installer.

• To assure that the electrical installation is adequate and in conformance with National Electrical Code, ANSI/NFPA 70 — latest edition*, or CSA Standards C22.1-94, Canadian Electrical Code, Part 1 and C22.2 No.0-M91 - latest edition** and all local codes and ordinances.

A separate ground wire must be used. It is recommended that a qualified electrician determine that the ground path is adequate.

A 120-volt, 60-Hz, AC-only, fused electrical system is required. A separate 15-amp circuit is recommended.

Do not ground to a gas pipe. Check with a qualified electrician if

you are not sure range hood is properly grounded.

Do not have a fuse in the neutral or ground circuit.

IMPORTANT: Save Installation Instructions for electrical inspector’s use.

The range hood must be connected with copper wire only.

The range hood should be connected directly to the fused disconnect (or circuit breaker) box through flexible armored or nonmetallic sheathed copper cable. A U.L.- or C.S.A.-listed strain relief must be provided at each end of the power supply cable. Wire sizes (COPPER WIRE ONLY) and connections must conform with the rating of the appliance as specified on the model/serial rating plate.

Wire sizes must conform to the requirements of the National

This hood is factory set for vented installations. For non-vented

installations, purchase Filter Kit No. 883093 (includes Filter/Light Lens No. 883149 and Charcoal Filter Pads No. 883151) from your dealer.

Cabinets with recessed bottoms:

• 2, 2" (5.8 cm) wide filler strips. Length and thickness determined by recess dimensions.

• 4 flat head wood screws or machine screws with washers and nuts to attach filler strips.

For vented installations, you also need:

Product dimensions

Venting requirements

29-7/8" (75.9 cm) model: RH3730 35-7/8" (91.1 cm) model: RH3736

7-1/2"

(19.1 cm)

(5.1 cm)

1-1/2"

(3.8 cm)

(2.5 cm)

1-1/2"

(3.8 cm)

(15.2 cm)

(22.9 cm)

12"

(30.5 cm)

3/4"

(1.9 cm)

3/8"

(9.5 mm)

17-1/2"

(44.5 cm)

Electrical Code ANSI/NFPA 70 — latest edition*, or CSA Standards C22.1-94, Canadian Electrical Code Part 1 and C22.2 No. 0-M91 - latest edition** and all local codes and ordinances.

A U.L.- or C.S.A.-listed conduit connector must be provided at each end of the power supply cable (at the range hood and at the junction box).

In U.S. only: For power cord connected installations, a U.L.listed range hood cord-connection kit MUST be used. Cord kit has not been evaluated for use in Canada.

Copies of the standards listed may be obtained from:

* National Fire Protection Association

One Batterymarch Park Quincy, Massachusetts 02269

** CSA International

8501 East Pleasant Valley Road Cleveland, Ohio 44131-5575

Venting system must terminate to the outside.

Do not terminate the vent in an attic or other enclosed space.

Do not use four-inch (10.2 cm) laundry-type wall caps.

Do not use plastic vent. Vent system needed for installation

is not included.

Determine which outside venting method needs to be used. It is recommended that the vent system be installed before installing the hood.

NOTE: If a non-vented (recirculating) installation is desired, follow instructions on Page 5.

The length of the vent system and number of elbows should be kept to a minimum to provide efficient performance. The size of the vent system should be uniform. Do Not install two elbows together. Use duct tape to seal all joints in the vent system. Vent system can terminate either through the roof or wall. Use caulking to seal exterior wall or roof opening around exhaust hood. For the most efficient and quiet operation, it is recommended that the range be vented vertically through the

Figure 1

7" (17.8 cm) round or 3-1/4" x 10" (8.3 x 25.4 cm) through roof

roof cap

24" (61.0 cm) to 30" (76.2 cm) above cooking surface

Round vent: Use 7" (17.8 cm) round damper (purchased separately)

Vertical roof venting

wall cap

3-1/4" x 10" (8.3 x 25.4 cm) through the wall

Horizontal wall venting

7" (17.8 cm) round or 3-1/4" x 10" (8.3 x 25.4 cm) through the wall

24" (61.0 cm) to 30" (76.2 cm) above cooking surface

Figure 2

Recommended vent length

Use 3-1/4" x 10" (8.3 x 25.4 cm) with a maximum vent length of 35 feet (10.7 m) or 7" (17.8 cm) round vent with a maximum length of 50 feet (15.2 m) for vent system. For best performance, use no more than three 90° elbows. To calculate the length of system you need, add the equivalent feet (meters) for each vent piece used in the system. See the examples on the next page.

roof through 7" (17.8 cm) round vent system.

Figures 1 and 2 show common venting methods and what types of materials are needed.

Now start...

With range hood in kitchen.

Prepare hood location

3-1/4" x 10" (8.3 x 25.4 cm) vent system

Recommended standard fittings

Maximum length = 35 ft. (10.7 m)

1 - 90° elbow = 5 ft. (1.5 m) 8 ft. (2.4 m) straight = 8 ft. (2.4 m) 1 - wall cap = 0 ft. (0 m) Length of 3-1/4" x 10" (8.3 x 25.4 cm) system = 13 ft. (3.9 m)

3-1/4" x 10" (8.3 x 25.4 cm) 90° elbow = 5 ft. (1.5 m)

3-1/4" x 10" (8.3 x 25.4 cm) flat elbow = 12 ft. (3.7 m)

3-1/4" x 10" (8.3 x 25.4 cm) wall cap =

0 ft. (0 m)

2 ft. (0.6 m)

6 ft. ( 1.8 m)

wall cap

3-1/4" x 10" (8.3 x 25.4 cm) elbow

7" (17.8 cm) vent system

90° elbow

wall cap

Maximum length = 50 ft. (15.2 m)

1 - 90° elbows = 5 ft.

(1.5 m)

1 - wall cap = 0 ft.

(0 m)

8 ft. (2.4 m) straight = 8 ft.

(2.4 m) Length of 7" (17.8 cm) system = 13 ft.

(3.9 m)

Recommended standard fittings

6 ft. (1.8 m)

2 ft. (0.6 m)

3-1/4" x 10" (8.3 x 25.4 cm) to 7" (17.8 cm) =

4.5 ft. (1.4 m)

90° elbow = 5 ft. (1.5 m)

45° elbow =

2.5 ft. (0.8 m)

3-1/4" x 10" (8.3 x 25.4 cm) to 7" (17.8 cm) 90° elbow = 5 ft. (1.5 m)

7" (17.8 cm) wall cap = 0 ft. (0 m)

Slide cardboard or hardboard under range before moving range across floor to prevent damaging floor covering.

Cover countertop, cooktop or set-in range with a thick, protective covering to prevent damaging them.

Disconnect and move freestanding range from cabinet opening to provide easier access to upper cabinet and rear wall. Put a thick, protective covering over cooktop, set-in range or countertop to protect from damage or dirt.

If cabinet has recessed bottom, add wood filler strips on each side. Locate screws to attach filler strips in locations shown.

Determine which venting method (roof or wall venting or non-venting) you need to use. This range hood is shipped for vented installation.

wood filler strips (recessed cabinet bottoms only)

cabinet bottom

wall

(7.6 cm)

Prepare and install the hood

3-1/4" x 10" (8.3 x 25.4 cm)

RECTANGULAR VERTICAL

vent system

From the diagrams below, select the diagram for your installation.

Vented installations: Cut the vent system and electrical wiring access holes as required. Either wiring hole can be used.

Non-vented installations: Cut only the one 1-1/4" (3.2 cm) dia. wiring access hole required. If wiring through the top, use location shown in VERTICAL vent systems. If wiring through the back, use location shown in HORIZONTAL vent system.

Remove terminal box cover. Depending on your installation, remove either back or top wiring knockout.

Lift the range hood up under cabinet and determine final position. Mark on the underside of cabinet the location of the four keyhole mounting slots. Set range hood aside on a protected surface.

7a.

For vented installations:

Check that the louver cover is installed in front of hood.

Remove either top or rear rectangular vent knockout. If using round vent, remove both top rectangular and semi-circular knockouts.

7b.

If using rectangular vent, attach rectangular damper/vent connection. Note: If the wall cap is directly behind the vent connector, the dampers in the connector and wall cap MUST NOT interfere with each other. Remove the vent connector damper if they interfere.

7c.

For non-vented

installations: Remove louver

cover from front of hood.

Remove the rectangular damper/vent connector from hood. Set connector and screws aside for use if connecting to a rectangular vent system.

For vented installations, go to Step 7a.

For non-vented installations, go to Step 7c.

1-1/2" (3.8 cm)

5-1/2" (14 cm)

centerline

wall

5-1/4" (13.3 cm)

7-1/2" (19.1 cm)

2" (5.1 cm)

1-1/4" (3.2 cm) dia. hole

3-1/4" x 10" (8.3 x 25.4 cm)

HORIZONTAL

vent system

1/8" (3.2 mm)

3-3/4" (9.5 cm)

centerline

cabinet

front

5-1/4" (13.3 cm)

7-1/2" (19.1 cm)

3/4" (19 mm)

1-1/4" (3.2 cm) dia. hole

7" (17.8 cm)

ROUND VERTICAL

vent system

(12.7 cm)

centerline

wall

7-1/2" (19.1 cm)

2" (5.1 cm)

1-1/4" (3.2 cm) dia. hole

8" (20.3 cm) dia. hole

Excessive Weight Hazard

Use two or more people to move and install range hood.

Failure to do so can result in back or other injury.

WARNING

terminal box cover

keyhole slot

front of hood

Use 1/8" (or 3 mm) drill bit

and drill 4 pilot holes as shown.

drill pilot hole

10. Remove the 4 hood

mounting screws from the parts bag and install

in pilot holes. Leave screw heads away from filler strips or cabinet bottom about 1/4" (6.4 cm)

11. If using direct wiring, make

sure power is disconnected, and pull about 12" (30 cm) of wire through wall or cabinet and into opening.

12. Lift range hood into final

position, feeding electrical wire through wiring opening. Position the range hood so that the large end of the keyhole slots are over the screws. Then push the hood toward the wall so that the screws are in the neck of the slots. Tighten mounting screws to cabinet, making sure mounting screws are in narrow neck of slots. Make sure that damper blade, if used, rotates up and down freely.

13. Connect ventwork to hood.

Seal joints with duct tape to make the secure and air tight.

1/4"

(6.4 mm)

Make electrical connection

Electrical Shock Hazard

Disconnect power before making electrical connections.

Connect ground wire to green ground screw in terminal box.

Failure to do so can result in death or electrical shock.

WARNING

15.

Pull firmly on filter tab to remove filter/light lens from range hood. Install 75 watt (maximum) light bulb. Reinstall aluminum filter.

16.

For non-vented installations: Install non-vented

filter kit. (See Page 2.)

17.

Turn power on. Check operation of fan and light. Make sure damper operates freely.

14.

Direct wiring:

Connect the white and black wires of the power supply cable to the white and black leads in the hood with twist-on connectors.

Connect the power supply ground wire to the green ground screw inside the terminal box.

Use caulking to seal wire opening. Replace terminal box cover.

Using a U.L.-listed power supply cord-connection kit (U.S. only):

Follow Power Cord Kit instructions for connecting wiring.

To get the most efficient

use from your new range

hood, read the “Use and

Care Information” section.

Keep your Whirlpool

Installation Instructions and

Use and Care Guide close

to range hood for easy

reference.

white

green ground screw

ground wire

black

filter tab

+ 14 hidden pages