Bosch DUH30252UC/01 Installation guide

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BOSCH

Invented for life

S

L

APPROVED FOR RESIDENTIAL APPLIANCES

FOR RESiDENTiAL USE ONLY

READ AND SAVE THESE INSTRUCTIONS

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

IMPORTANT SAFETY INSTRUCTIONS

Read All Instructions Before Using the Appliance.

READ AND SAVE THESE INSTRUCTIONS

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.

G

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. Do not use this unit outdoors.

,& 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 qualified electrical installer.

To assure that the electrical installation is adequate

and in conformance with National Electrical Code,

ANSl/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 qualified electrician

determine that the ground path is adequate.

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 Instructionsfor 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 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 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

Parts Included with your Hood

• Hood Canopy Assembly with blower, grease

filters and lamps already installed

• Care & Use/Installation Instructions

Transition

Fittings bag with:

4 Washers

6 Drywall anchors

2 Hooks with regulating screws

6 Screws 5X35

4 screws for transition

Optional accessory

Duct covers

Ductless recirculation kit

Parts Not Included with your

Hood

• Duct Tape

• 1/2" Conduit

• Wire Nuts

• Round or Rectangular Duct.

Round back draft damper

• Wiring clamp

Tools required

Fiat blade and Phillips screwdrivers

Pencil and tape measure

Metal snips (in some applications)

Electric drill

Saw (saber or keyhole)

Pliers

Level

Caulking

Flashlight

Wire stripper

Safety glasses

Gloves

Step ladder

iNSTALLING

For the most efficient air flow exhaust, use a

straight run or as few elbows as possible.

CAUTION: Vent unit to outside of

building, only.

One people isnecessary for installation.

On avarage 2 hours are necessary to complete

installation (without considering cut to be done

on wall and or on cabinet, installationof ducts,

conduit and electrical connections to the mains).

installation steps:

12 installationsteps are required for both

installationmethods

Wall mount installation steps or in alternative

Cabinet installation

The hood is fitted with Screws and Drywall

Anchors suitable for most surfaces, consult a

Qualified installer, check ifthey perfectly fit with

your cabinet/wall.

Do not use flex ducting.

TH HOOD

• COLD WEATHER installations should have an

additional backdraft damper installed to

minimize backward cold air flow 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.

• Make up air: Local building codes may require

the use of Make-Up Air Systems when using

Ducted Ventilation Systems greater than

specified CFM of air movement.

The specified CFM varies from locale to locale.

Consult your HVAC professional for specific

requirements in your area.

Typical installation

The height from the countertop to the bottom of

the hood is 24" to 30".These hoods are not

recommended to be used over indoor grills.

1. Choose vent options

The hood isdesigned ready to be used for

vertical discharge as shown below.

Note: see also Fig. 1-3-5 for Cabinet

preparation.

If desired, the hood can be converted for

horizontal discharge as shown below.

Note: see also Fig. 2-3-5 for Cabinet and rear

wall preparation.

DUCTING

Provide a Round Duct having a diameter of 8"

see Figure 2 and Figure 3 for location on

cabinet bottom.

install a 1/2" conduit from the service panel long

enough to reach the hood once itis installed.

Power supply must be rated for 120 V AC, 60

Hz. 15 or 20 A.

Examples of possible

Round

Soffit .__ Duct _ [<:]_

*Deflector- _ IBl°wer Soffi sition

Hood_¢ _._ Filter Hood-¢ \,_! _-Filter

/

* Charcoal

24" to 30" filters 24" to 30"

Recirculating

* Optional accessory - Ductless

recirculation kit

Vertical discharge

ducting

Soffit_

Lamp_ j (O'}

Hood [ "d'_

Filter

24" to 30"

Horizontal discharge

Round

Duct

TABLE I. VENTILATOR PERFORMANCE CALCULATION

TOTAL

EQUIVALENT:_UANTffY EQUIVALENT

DUCTPIECES SIZE LENGTH USED LENGTH

DUCT PIECES

6" 1.2' _3=1/4"X 10"

_ ROUND 7" 0o95' \\j_'_ CENTER

STRAIGHT 8" 0.7' _//_r-. REVERSE

_== I' ='-t 10" 0.6' ELBOW LEFT

3=1/4" x 10" |, _=I/4"X 10"

STRAIGHT CENTER

REVERSE

3=1/4" x 14"

J--- i'===[ STRAIGHT 0.7' ELBOWRIGHT

SIZE EQUIVALENTQUANTITY TOTAL

USED EQUIVALENT

LENGTH LENGTH

N/A | 5'

N/_

25'

(_ 6" 12' __€ 3-u4"x 10"

90° 7" B' _ RIGHT

ELBOW \_'/_ REVERSE

ROUND 8" 6' _ ELBOW

N/_ 25'

-_ 6" 5' _ 3=1/4"X iO"

45° 7" 4' LEFT

ELBOW REVERSE

ROUND 8" 3' ELBOW

N/_

_3- BOUND 6"

Ft'<"_ WALL CAP 7,"=m

5'

N/A

i/4"X I0" _ Model #WC_ 8'___'

90° ELBOW _-- Model #WCI0 10'

6 _

_3 <_ ROUND

N/A 15' 7"

-I/4"Xl 0" ROOF

45° ELBOW CAP 8"

15'

2_

_=il4"XlO" _3 2'

FLAT N/A 20' Io_

ELBOW =l/4"xl 0" Rex

Model #RD i

_ROUNDTO 6" I' Id" _6,,_j _ 3=I14"xi0"

,, ,' - toBound

20'

3-1/4"XI 0" 6" 5' _ 3-1/4"xl0"

ROUND Wall Cap

7" 3'

1

{_ ROUNDTO 6" //F--/_ 7" In=Line

3-114"X I 0" 10' Backdraft

° ELBOW 7" 8' Damper

_9 3=I14''X I 0'' 6" _ 3-I14"x10"

TO ROUND [ 0' Roof Jack

& Shutter,

0° ELBOW 7" 5' Model # RJ310

1

5_

TOTAL (of both columns)=

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 fittings (elbows and transitions) reduce air flow efficiency.

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 or remote duct transition as close to the downdraft as is pos-sible.

In order of preference, use

1st. 10" round duct

2nd. 8" round duct

3rd. 3-1/4" x 14" duct

4th. 7" round duct

5th. 3-1/4" x 10"duct

6th. 6" round duct

The use of flexible metal round duct should only be used when no other duct fitting exists. Limit use to short

lengths and do not crush when making corners.

• After having choosen the vent option:

1. Prepare duct and conduit cut outs, see

Fig.1,2,3 as needed.

Bottom of

Cabinet or

Soffit \

12"

Rear

Wall

Figure 1

I[

Cabinet Front

_ _ Vertical

X [ _2_3/4"

4-15/16" '_! O"_ / _2

--Tii___--4----_ # J. _ _I-7/8" 1-1/2" Dia, Holes

i J,,

CL

_Hood Width_

Bottom of

Cabinet or

Soffit

12"

Rear

Wall

Figure 2

I[

Cabinet Front

Q ©

8 I3/I6" 1 _ 7/I6"

I

_Hood Width_

cq

_2_3/4"

J

_ 1-1/2" Dia. Holes

Vertical condu it

option

Horizontal

Discharge

Figure 3

23-1/16"

2. Discharge Direction:

The hood isshipped ready for vertical

discharge.

_i_ WARNING!

Before installing remove the knock-out plate

that close the air outlet on the top if is

desired to use the range hood for vertical

discharge OR the rear outlet if is desired to

use the range hood for horizontal discharge.

(see also Figure 5).

WARNING!

Once the Knock out plate has been

removed, this cannot be reinstalled anymore

close the air outlet (see also Figure 5).

To change to horizontal discharge, do the

following (see also Figure 4):

a. Remove knock-out plate on the rear side of

the hood (see also Figure 5)

b. Remove and keep the 4 screws (2 per side)

that fix blower on top of the hood and release

it from keyholes.

c. Rotate the blower 90° and check that pins on

side blower fixing brackets fit into the pre-

installing holes.

d. Fix the blower on the rear side with the same

4 screws (see step b).

3. Assembly of the 8" Transition:

The transition supplied with the hood mounts to

the top or rear of the hood.

Note- Cabinet installation with vertical

discharge ONLY: do not installtransition until

hood has been fixed on cabinet.

a. Place the transition piece over the hood

exhaust and secure with 4 screws provided

(Figure 5).

b. Duct tape connection between transition and

hood.

.............. *si

Figure 4

Vertical discharge

- knock-out

Transition

Horizontal discharge

- knock-out

Vertical

discharge

Figure 5

Transition

Horizontal

discharge

Wall Mount Installation

Note: see below if cabinet installation is

preferred

4. 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- 11

2". See also Figure6a.

5. Find the centerline of the cooktop.

Draw a vertical line along this centerline up to

the horizontal line drawn in step 1 and draw a

vertical line right and left at a distance of

12-5/8" to determine the mounting location

of the mounting hooks shipped with the hood.

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

hood through the provided slots (2 wall

anchors+2 hooks + 2 screws 5x35).

7. Run 8" 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 with

tape.

8. Remove 1 of 2 knockouts and install 1/2"

conduit connector in j-box.

9. Hang the hood and adjust its position through

the screws on the hooks.

lO.Fix the hood to 4 additional point,2 on upper

side, 2 on lower side (use 4 wall anchors + 4

washers + 4 screws 5x35.

11. Vertical discharge

Cabinet Installation"

Note: see above if wall mount installation is

preferred

Note: distances on Table 3.

4. Find the centerline of the cabinet bottom. Draw

a line along this centerline from rear to front of

the cabinet.

5. Draw two lines, one at a K distance from the

wall, the other one at a Z distance from the

previous line.

Mark 4 points, two along each line at a distance

of half W from the center line, to determine the

screw locations.

6. Fit 4 screws on cabinet bottom do not tighten

completely but leave a space of about 1/2" from

cabinet bottom surface and head screws.

7. Run 8" Duct, long enough to reach the

transition once the hood has been installed plus

1 1/2" inch for connect ductwork.

8. Remove 1 of 2 knockouts and install 1/2"

conduit connector in j-box.

9. Hang the hood on screws through side slots

provided on hood top.

Tighten the four screws.

Note: If possible fix the hood on the wall at 4

additional point (2 on upper side, 2 on lower

side).

lO.From the inside of the cabinet attach the

transition on upper outlet (vertical discharge -

see also ,,Assembly of the 8" Transition" on

previous pages)

10

HOOD WIDTH

30"

36"

29 12-1/2"17-1/16"I

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

Table 3

Side slot x 4

outlet I

/ _ -_ '_ -screw

/ _ _ _ _ , '_ location

, ,op -

Figure 6a

© ©

\

Hook for wall \ Screw for

Jinstallation cabinet

I-_ 25 _/16" _ bottom

_'J----_-_ i *,_-_ _- installation

7 1/2"' I "1"_ 12 5/8" T _Adjusting

v €_ screw

Bottom of the Hood

Figure 6b

FixDucttotransitionandsealwithtape.

For both installation method:

12.Wiring the HOOD:

WARNING

Electrical Shock Hazard

Warning: Turn off power at the service

panel before wiring this unit.

120 VAC, 15 or 20 Amp circuit

required.

ELECTRICAL GROUNDING INSTRUCTIONS

THIS APPLIANCE IS FITTED WITH AN

ELECTRICAL JUNCTION BOX WITH 3

WIRES, ONE OF WHICH (GREEN/YELLOW)

SERVES TO GROUND THE APPLIANCE. TO

PROTECT YOU AGAINST ELECTRIC SHOCK,

THE GREEN AND YELLOW WIRE MUST BE

CONNECTED TO THE GROUNDING WIRE IN

YOUR

HOME ELECTRICAL SYSTEM, AND IT MUST

UNDER NO CIRCUMSTANCES BE CUT OR

REMOVED.

Failure to do so can result in death or

electrical shock.

• Remove the j-box cover as shown in

Figure 7.

• If not already done, install 1/2" conduit

connector in j-box.

• Run black, white, and green wires (#14

AWG) according to the National Electrical

Code or CSA Standards and local codes and

ordinances.

• Connect black, white, and green wires from

power supply to black, white, and green/

yellow wires in j-box respectively.

Close j-box cover.

Final installation steps

13.Install grease filters as described in the Care &

Use section of this manual.

Turn power on at service panel.

Check operation of the hood.

FI'OI_I

control

panel

Figure 7

Power supply conduit

ll

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PIEZAS DE CANTIDAE _ANTIDAE

DUCTOS UTILIZAD/ JTILIZADt

LONGITUD

TAH EQUIVAL-

AI_O ENTE

6" 1.7.'

TUBO 7"

REDONDO 0.95'

I__|' ==L RECTO 8" 0.7'

10" 0.6'

3=|/4" x |0" |,

RECTO

F-- I'==._ 3=1/4" x 14" 0.7'

RECTO

6" IT

CODO

REDONDO 7" 8'

DE 90 ° 8" 6'

TOTAL DE LA

LONGITUD

EQUTVALENTE

LONGITUD

PIEZAS DE TAH. EQUIVAL =

DUCTOS ANO ENTE

_ 3=1/4" x 10"

CODO

INVERTIDO N/A J5'

CENTRAL DE

IZQUIERDA

3=1/4" x 10"

tODD

yINVERTIDO N/A 25'

CENTRAL DE

DERECHA

3"1/4' ./A

INVERTIDO 25'

DERECHO

TOTAL DE LA

LONGITUD

EQUIVALENTE

6" 5'

CODO

REDONDO 7" 4'

DE 45 °

8" 3'

_CODO DE

90 ° DE 3=1/4"X10 "

CODO DE

45 ° DE

3=1/4"X10 "

_ 3=1/4 " x 10"

CODO

INVERTIDO

IZQUIERDO

N/A | 5'

N/A 5'

TAPA 6"

.EDO.DA7"

DE PARED

_'-_'_/H ode|o #WC8 8"

Hodelo # WC10 10"

2_

N/A | 5'

6 m*

<_ TAPA

REDONDA 7"

PARA

TECHO 8"

,

3-1/4"X| 0"

CODO

PLANO

N/A 20'

2' DE LARGO

3=1/4"x 10"

HODELO

FLEXIBLE

#RD 1

20'

. TUBO 6"

REDONDO A |

|14"X|0" 7" |'

7-_/_ 3-1/4" 3=1/4" x

10" _( I _'_ 10"ATUBO

--6" -_

_ 3=1/4"XI0" 6" 5'

A TUBO

REDONDO 7" 3'

TUBO 6"

REDOHDO | 0'

A CODO DE

90 ° DE

3=1!4"xlo" 7" 8'

_CODO DE 90 ° 6"

E 3=1/4"X10" | 0'

A TUBO

REDONDO 7" 5'

3=1/4"x 10"

TAPA PARA

TECHO

1

_ HODELO #140

DEL REGULADOR

DE CO NTRATIRO

u

3=1/4"x10"

BASE DE

TECHO Y

5_

TOTAL (de ambas columnas):

27 2

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