Thermador HMWB36 User manual

VENTILATION

INSTALLATION MANUAL

MODELS: HMWB30

HMWB36

LI3GJA Ed. 08/08

PLEASE READ ENTIRE INSTRUCTIONS BEFORE PROCEEDING.

INSTALLATION MUST COMPLY WITH ALL LOCAL CODES.

IMPORTANT: Save these Instructions for the Local Electrical Inspector’s use.

INSTALLER: Please leave these Instructions with this unit for the owner.

OWNER: Please retain these instructions for future reference.

Safety Warning: Turn off power circuit at service panel and lock out panel, before wiring this appliance.

Requirement: 120 V AC, 60 Hz. 15 or 20 A Branch Circuit

APPROVED FOR RESIDENTIAL APPLIANCES

FOR RESIDENTIAL USE ONLY

READ AND SAVE THESE INSTRUCTIONS

2

IMPORTANT SAFETY INSTRUCTIONS

Read All Instructions Before Using the Appliance.

READ AND SAVE THESE INSTRUCTIONS

WARNING

TO REDUCE THE RISK OF FIRE, ELECTRIC

SHOCK, OR INJURY TO PERSONS, OBSERVE

THE FOLLOWING:

A. Use this unit only in the manner intended by the

manufacturer. If you have questions, contact

the manufacturer.

B. Before servicing or cleaning the unit, switch

power off at service panel and lock service

panel disconnecting means to prevent power

from being switched on accidentally. When the

service disconnecting means cannot be locked,

securely fasten a prominent warning device,

such as a tag, to the service panel.

C. Installation Work and Electrical Wiring Must Be

Done By Qualified Person(s) In Accordance

With All Applicable Codes & Standards,

Including Fire-rated Construction.

D. 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

manufacturers guideline and safety standards

such as those published by the National Fire

Protection Association (NFPA), the American

Society for Heating, Refrigeration and Air

Conditioning Engineers (ASHRAE), and the

local code authorities.

E. When cutting or drilling into wall or ceiling, do

not damage electrical wiring and other hidden

utilities.

F. Ducted systems must always be vented to the

outdoors.

CAUTION

FOR GENERAL VENTILATING USE ONLY. DO

NOT USE TO EXHAUST HAZARDOUS OR

EXPLOSIVE MATERIALS OR VAPORS.

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, ceilings,

attics, crawl spaces, or garages.

WARNING

TO REDUCE THE RISK OF FIRE, USE ONLY

METAL DUCT WORK.

Install this hood in accordance with all

requirements specified.

WARNING

To Reduce The Risk of Fire or Electric Shock,

Do Not Use This Hood With Any External Solid

State Speed Control Device.

OPERATION

a. Always leave safety grills and filters in place.

Without these components, operating blowers

could catch onto hair, fingers and loose clothing.

The manufacturer declines all responsibility in the

event of failure to observe the instructions given

here for installation, maintenance and suitable use

of the product. The manufacturer further declines

all responsibility for injury due to negligence and

the warranty of the unit automatically expires due to

improper maintenance.

This unit is manufactured for indoor use only. D o not use this unit outdoors.

3

IMPORTANT SAFETY INSTRUCTIONS

Read All Instructions Before Using the Appliance.

READ AND SAVE THESE INSTRUCTIONS

Electrical requirements

IMPORTANT

Observe all governing codes and ordinances.

It is the customer’s responsibility:

To contact a qualied electrical installer.

To assure that the electrical installation is adequat e

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.

If codes permit and a separate ground wire is used,

it is recommended that a qualied electrician

determine that the ground path is adequate.

Do not ground to a gas pipe.

Check with a qualied electrician if you a re not sur e

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

metal electrical conduit.

Wire sizes must conform to the requirements of the

National E lectrical 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. - listedconduit connector must be

provided at each end of the power supply conduit

(at the range hood and at the junction box).

Copies of the standards listed may be obtained from:

* National Fire Protection Association Batterymarch Park

Quincy, Massachusetts 02269

** CSA International 8501 East Pleasant Valley Road

Cleveland, Ohio 44131-5575

4

5

Parts In cluded with your Hood

t Hood Canopy Assembly with blower already

installed

t Grease lters

t Drip tray for each lter.

t Use & Care / Installation Instructions

t Fittings bag with:

t Drip trays holding brakets + plastic wahers and

knobs

4 W ashers

6 Drywall anchors

2 Hooks with regulating screws

6 Screws 5X35

4 Screws for transition

t 1 Transition with bac k draft damper

Option al accessory

Duct covers

Ductless recirculation kit available only for HMWB30,

HMWB36 model..

Parts Not Included with your

Hood

t Duct Tape

t 1/2" Conduit

t Wire Nuts

t Round Duct.

t Wiring c lamp

t

CAUTION! Lamps are not supplied, use

ONLY 120 Volt, 50 Watt (maximum) 50°

halogen light made o r a GU10 base,

suitable for use i n open luminarie .

t 4 #10 pan head wood screws for installation on

a bottom of a cabinet

Tools required

Flat blade and Phillips screwdrivers

Pencil and tape measure

Metal snips (in some applications)

Electric drill

Saw (saber or keyhole)

Pliers

Level

Caulking

F lashlight

Wire s

tripper

Safety glasses

Gloves

Step ladder

INSTALLING THE HOOD

t For the most ecient air flow exhaust, use a

straight run or as few elbows as possible.

CAU TIO N: Vent unit to outside o f

building, only.

t Two people are necessary for installation.

On average 2 hours are necessary to complete

installation (without considering cut to be done

on wall and o r on cabinet, installation of ducts ,

conduit and electrical connections to the mains) .

installation steps:

11 installation steps are required for both

installation methods

Wall mount installation steps or in alternative

Cabinet installation

t The hood is tted with Screws and Drywall

Anchors suitable for most surfaces, consult a

Qualied Installer, check if they perfectly f it with

your cabinet/wall.

t Do not use ex ducting.

t COLD WEATHER installations should have an

additional backdraft damper i nstalled to

minimize backward cold air ow and a

nonmetallic thermal break to minimize

conduction of outside temperatures as part of

the ductwork. The damper should be on the

cold air side of the thermal break.

The break should be as close as possible to

where the ducting enters the heated portion of

the house.

t Make u

p

air: Local building codes may require

the use of Make-Up Air Systems when using

Ducted Ventilation Systems greater t han

specied CFM of a ir movement.

The specied CFM varies from location to location.

Consult your HVAC professional for specic

requirements in your area.

t

3 prong plug

30” to 36”

* Charcoal lters

Lam p

Round duct

Ceiling

Hood

Blower

Transition

Filter

VERTICAL DISCHARGE

30” to 36”

* Optional accessory - Ductless recirculation kit

Lam p

Ceiling

Hood

Blower

Transition

Filter

*Deector

RECIRCULATING

*Charcoal lters

Examples of possible ducting

6

t Typical installation

The height from the countertop to the bottom of the hood is 30” to 36”.

These hoods are not recommended to be used over indoor grills.

1. Choose vent options

The hood is designed to be used for vertical discharge as shown below.

Note: see also Fig. 1-2-3 for Cabinet preparation.

Install a 1/2” conduit from the service panel long enough to reach the hood

once it is installed. Power supply must be rated for 120 VAC, 60Hz. 15 or 20 A.

eceiPtcuD

10" round

to 8" roun d 5 ft.

Round , 1 ft.

straight (per foot

length)

3-1/4" x 10" 1 ft.

3-1/4" x 12 " (p er f oot

straight length)

8" Di a. 17 ft.

90° elbow 10" Dia. 24 ft .

8" Di a. 10 ft.

45° elbow 10" Dia. 14 ft .

3 -1⁄4" x 12" 15 ft.

3-1/4" x 10" 14 ft.

90° elbow

3-1/4" x 10" 8 ft.

3-1/4" x 12" 9 ft.

45° elbow

3-1/4" x 10" 33 ft.

3-1/4" x 12" 36 ft.

90° at elbow

10"round transition

to 3-1/4" x 10" or

3-1/ 4" x 12" 9 ft.

3-1/4" x 10" or

3-1/4" x 12" to

10" round transiti on 6 ft.

10" round to 3-1/4" x 10" 16 ft.

3-1/4" x 12" transition 13 ft.

90° elbow

3-1/4" x 10" 9 ft.

3-1/4" x 12" t o 10" round 8 ft.

transiti on 90° elbow

Roun d 8" Dia. 32 ft.

wall c ap 10" Dia. 41 ft.

wi th d a mp e r

3-1/4" x 10" 24 ft.

3-1/4" x 12" wall cap 26 ft.

wi th d a mp e r

Round 8" Dia. 44 ft.

roof cap 10" Di a. 56 ft .

Use this chart to compute maximum

permissable lengths for duct runs to

outdoors.

Note:

Do not exceed maximum permissable

equivalent lengths!

Maximum recommended duct

length for these hoods: 150 feet

Fl exible ducting:

If exible metal duct ing is used, all

the equivalent feet values in the table

should be doubled. The flexible

metal duct should be straight and

smooth and extended as much as

possible.

Do NOT use exible plastic ducting.

To t a l D u c t R u n

Note:

Any home ventilation system, such as a

gas furnaces, gas water heaters and other naturally

vented systems. To minimize the chance of interruption

of such naturally vented systems, follow the heating

equipment manufacturer’s guidelines and safety

standards such as those published by NFPA and ASHRAE.

*Hoods are supplied with a 10"

round transition. A locally

supplied transition is required

for other sizes.

Note:

Outlet on top of hood is

8-1/8" x 8".

Table 1. Ventilator performance calculation

7

1. Prepare duct and conduit cut outs, see gures

1 and 2 as needed.

22

23-1/8”

Transition

Screws (4)

a. Place the transition piece over the hood

outlet and secure with 4 screws provided.

(Figure3)

b. Wrap all joints (metal transition and hood)

with duct tape for an airtight seal.

c. Remove tape holding damper.

Assembly of the 10” transition:

The transition supplied with the hood mounts to

the top.

Do not install transition until hood is

xed on cabinet or wall.

2.

Figure 3

Hood outlet

8

TABLE 2. DUCTWORK INSTALLATION GUIDELINES

For safety reasons, ducting should vent directly outdoors (not into an attic, underneath the house, into the

garage or into any enclosed space).

Keep duct runs as short and straight as possible.

Duct ttings (elbows and transitions) reduce air ow efciency.

Back to back elbows and “S“ turns give very poor delivery and are not recommended.

A short straight length of duct at the inlet of the remote blower gives the best delivery.

Transition to duct from the integral blower to remote duct transition as close as possible.

In order opreference, use:

1st. 10” round duct

2nd. 8round duct

3rd. 3-1/4” x 14” duct

4th. 7” round duct

5th. 3-1/4” x l0” duct

6th. 6” round duct

The use of exible metal round duct should only be used when no other duct tting exists. Limit use to short

lengths

and do not crush when making corners.

Figure 1

Figure 2

10-1/2

5- 7/8”

X

36”

30”

2-3/4”

4-9/16”

Model

HOO D W IDTH DIM. "W " DIM. "K " DIM. "Z"

30" 29 - 1/8" 2 - 1/2" 7 - 1/16"

36" 35 - 1/16" 2 - 1/2" 7 - 1/16"

Table 3

Side slot x 4

Figure 4b

Figure 4a

9

Wall Mount Installation

Note: see below if cabinet installation is preferred

3. After the hood installation height has been

determined draw a horizontal line at a distance

above the cooktop equal to the desired hood

installation height plus 7- 1/2”. See also Figure 4a.

4. Find the centerline of the cooktop. Draw a

vertical line along this centerline up to the hori-

zontal line drawn in step 1 and draw a vertical

line right and left at a distance of12-5/8” to

determine the mounting locationof the

mounting hooks shipped with the hood.

5. Fit two mounting hooks on the wall to hang the

hood through the provided slots (2 wall

anchors + 2 hooks + 2 screws 5x35).

6. Run 10” Duct, long enough to reach the

transition once the hood has been installed plus

1 1/2” inch to connect ductwork. Fix Duct to

transition with screws and seal withtape.

7. Remove 1 of 2 knockouts and install 1/2”

conduit connector in j-box.

8. Hang the hood and adjust its position through

the screws on the hooks.

9. Fix the hood to 4 additional point, 2 on

upperside, 2 on lower side (use 4 wall anchors

+ 4washers + 4 screws 5x35.

Cabinet Installation:

Note: See above if wall mount installation is preferred

Note: Distances on Table 3.3.

Find the centerline of the cabinet bottom. Draw a line

along this centerline from rear to front of the cabinet.

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