VENTILATION
INSTALLATION
MANUAL
Page 1
SAFETY INSTRUCTIONS
A. Installation work and electrical wiring must be done
by qualified person(s) in accordance with all appli-
cable codes and standards, including fire-related
construction.
B. Sufficient air is needed for proper combustion and
exhausting of gases through the flue (chimney) of
fuel burning equipment to prevent backdrafting.
Follow the heating equipment manufacturer's
guideline and safety standards such as those
published by the National Fire Protection Associa-
tion (NFPA), and the American Society for Heating,
Refrigeration and Air Conditioning Engineers
(ASHRAE), and the local code authorities.
C When cutting or drilling into wall or ceiling, do not
damage electrical wiring and other hidden utilities.
D. Ducted fans must always be vented to the outdoors.
E. Always unplug or disconnect the downdraft from the
power supply before servicing.
F. This unit is designed for indoor use only. Use this
unit only in the manner intended by the manufac-
turer.
WARNING
CAUTION: For general ventilating use only. Do
not use to exhaust hazardous or explosive materi-
als and vapors.
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.
TO REDUCE THE RISK OF FIRE, USE ONLY
METAL DUCT WORK.
To reduce the risk of fire, electric shock and injury
to persons, ventilator assemblies, All CVS models
must be installed with integral blower, Model
VTN600CV2 or remote blowers model VTR600R
or VTR1000Q. Other ventilator blowers cannot be
substituted.
To reduce the risk of fire or electric shock, do not
use the fan with any solid-state speed control
device.
This appliance has been found to be in compli-
ance with UL507 Standard for Electric Fans and
CAN/CSA-22.2 No. 113 Canadian Standard for
Fans and Ventilators. It is the responsibility of the
owner and the installer to determine if additional
requirements or standards apply in specific
installations.
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC
SHOCK, OR INJURY TO PERSONS, OBSERVE
THE FOLLOWING:
Parts Needed
• Blower (Remote or Integral)
• Tape Measure
• Phillips Head Screwdriver
• Duct Tape
• Ductwork (configuration varies depending on location;
See pages 4-7 for further information)
• Additional Sheetmetal screws (as necessary for
ductwork installation)
• Transition(s) (style varies depending on ductwork)
Transition box for remote blower installations is available
as an accessory.
• Saw (or equivalent for cutting countertop)
• #8 x 1 1/4" Wood Screws (4)
Parts Supplied
• Downdraft assembly (1)
• #8 Sheetmetal Screws (8)
• Blower Cord Traction Relief (1)
• Hardware for brackets on vent (2)
• Remote Blower Pigtail
This unit is manufactured for indoor use only. Do not use
this unit outdoors.
Read All Instructions Before Using the Appliance.
READ AND SAVE THESE INSTRUCTIONS
Page 2
Figure 1
Strain Relief
Internal Blower
(Not Included)
Top Cap
INTRODUCTION
GENERAL DESCRIPTION
The complete downdraft system consists of the ventilator,
the intake and the blower (See Fig. 1). The blower can be
either integral (mounted on the vent intake in the cabinet
under the cooktop) or a remote (mounted on the roof or
outside wall. When a remote blower is used, a duct transi-
tion is mounted on the ventilator intake in place of the
integral blower to connect the intake to the ductwork. The
duct transition must be purchased separately.
The integral blower or duct transition can be mounted in
different positions on the intake to route ductwork to avoid
cabinet, building framing, utilities, etc.
The downdraft system is available in 30-inch, 36-inch and
45-inch models, with countertop trim in either stainless,
black, or white. It is intended for use with all brands and
models of residential 30-inch, 36-inch or 45-inch gas or
electric cooktops except professional style cooktops.
Step 1: PLAN THE INSTALLATION
Carefully follow the planning procedures listed below (See
Figure 2).
A. Determine whether a remote or integral blower will be
used. Remote blower installation requires 4 wires
plus a ground wire to run from the downdraft to the
blower.
B. Make sure that adequate cabinet and counter space
has been provided and that the intake will be accessible
if service is required.
C. Consider that cross drafts created by adjacent open
windows, doors, air conditioning, old heating vents,
recessed ceiling lights, and traffic patterns may affect
performance.
D. For gas cooktop installations make sure that a mini-
mum 10 square inch opening is provided in the toe-kick
or other cabinet area. Inadequate ventilation of the
cabinet below the cooktop may result in flame outage
when operating the vent system.
E. Provide for air supply or "make-up air" to the room
where unit will be installed. If "make-up air" is not
provided, then problems, such as fireplace chimney
downdrafts, could result.
Page 3
A
B
Integral Remote
9-13/16" 8-1/16"
13" 15"
Figure 2
Cutout
Depth
Cooktop
Cooktop
SB (see
Fig. 7,8)
Drawer
Shelving must
be removable
Be certain to avoid interference with gas and
electric supply to cooktop.
For integral ventilator installations
discharged through left side of
cabinet, this dimension is 32-1/8".
This installation requires a non-
standard cabinet for clearance.
F. Investigate potential ductwork routes and choose the
shortest possible route from the unit to an outside wall
or to the roof via an inside wall and attic. For guidance,
typical ducting installations are shown in figures 3
through 6. Installation in island locations will require
under floor ducting. Peninsula locations usually require
ducting laterally through cabinets or under cabinet toe-
spaces. Consider potential interferences to ductwork
from building framing (floor joists, wall studs, etc.) and
utilities (electrical wiring, water, gas, or sewer lines,
etc.).
G. Determine whether the chosen route of ducting will meet
vent system performance requirements. To do this,
measure the duct lengths needed and determine spe-
cific fittings required. Enter this data in the spaces
provided in Table 1 (See Page 6). For duct runs greater
than 100 feet please contact customer service for
performance estimates. In addition, the duct installation
guidelines in Table 2 (See Page 7) should be followed in
developing the ductwork plan.
H. Purchase the necessary ductwork in accordance with
the listing developed in G above.
Shelving and drawer depths are dependent
upon cooktop depth and setback.
Dimensions are dependent on
discharge direction.
Page 4
Figure 3
Through Wall Installations
Figure 4
Integral Blower
12" Min.
Figure 5
Integral Blower
Figure 6
Roof Mount Installation
Duct Transition Box
Remote
Blower
Figures 3 through 6 are examples of possible ducting
Through Wall Installation
Through Wall Installation
Duct Transition
Box
Remote Blower
10" Collar
3-1/4" x 10" or
8" Duct
End Must Be
Closed and
Sealed
BLOWER ROTATED 90° FOR SIDE
CONNECTION
Ground
Wall Cap
Remote Blower
Integral Blower
Remote BlowerIntegral Blower
Page 5
NOTE: Fittings with model numbers stated are available through your
Thermador dealer. All other fittings are available from most major
hardware stores.
TOTAL (of both columns)=
MUST be LESS than:
Integral Blower - 85 ft.
Remote Blower - 70 ft.
Page 6
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 round duct from the integral blower or
remote duct transition as close to the downdraft as is
possible. 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 l0" 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.
• Where local codes permit, plastic pipe (PVC-schedule
40 pipe or ABS pipe 7" or 8" diameter) can be used in
areas of high ground moisture and in slab floors to
eliminate future rusting.
• Use only duct work constructed of materials that are
acceptable by the applicable codes. All duct should
be 26 gauge or heavier to minimize flex due to air flow.
• The remote blowers requires a 10" or 8" diameter
round duct (depending on model) to match the inlet
ring. A transition is necessary from other duct sizes.
• Use sheet metal screws as required to support the
duct weight, and seal all joints with duct tape.
• Be certain that the duct work does not interfere with
floor joists or wall studs.
• Do not exhaust more than one vent into a single duct
run.
• Thermal breaks, such as a short section of nonmetal-
lic duct, should be used in areas of extreme cold.
• Always use an appropriate roof or wall-cap with
damper. Laundry type wall caps should
never be used.
For installation with a Thermador cooktop, refer to Part A (at
left) and Figure 7 (Page 8)). For installation with another
brand of cooktop, refer to Part B (Page 9).
For all installations verify that all cutouts will clear the inside
of the front countertop support rail, and that the cooktop and
vent will be centered left to right within the cutout. Also,
make certain that the front and rear cutouts are straight and
parallel to the front edge of countertop and the rear backs-
plash and/or wall. Assure that the side cutouts are square
to the front and rear cutouts. All illustrations and dimen-
sions are based on standard 24" deep by 36" high American
style base cabinets with 25" countertops.
When installing laminated or solid surface countertops such
as Surell™ and Corian
®
,
be sure to follow the countertop
manufacturer's instructions regarding minimum corner radii,
reinforcement of corners, etc.
Step 2: Prepare Countertop Cutout
For overhead cabinet and cooktop side clearances
consult cooktop Installation Instructions.
A. For installation with a Thermador cooktop (Figure 7 and
Table 3)
Provide an opening in the countertop as specified in
Table 3 (Page 8). Make sure that the distance from the
front of the countertop to the front of the cutout is not
less than dimension "SB". Verify that the available flat
countertop is greater than dimensions "OW" by "OD".
Make certain that the backsplash thickness does not
exceed dimension "BT".
Page 7
Figure 7
TABLE 2: INSTALLATION DIMENSIONS FOR CVS30R/ 36R/ 45R WITH THERMA-
DOR COOKTOP
INSTALLATION WITH THERMADOR COOKTOPS WHEN SPECIFIED
Table 2 Notes
* Dimension "SB" is the minimum distance from the leading
edge of the counter to the leading edge of the cutout.
++Dimension "BT" is the thickness of backsplash that
provides 1/4" clearance between vent and backsplash.
Any backsplash with a curved radius where it meets the
counter will require additional clearance. Thicker
backsplashes may be used by increasing the counter
and cabinet depths.
All dimensions are in inches and are based upon a
standard 24" deep base cabinet with 25" countertop.
* * SGC and SGCS: width in table is at the widest point
(center).
Refer to cooktop Installation Instructions for complete
information prior to making any cutouts.
Clearance is provided to allow raising of the hinged main
top.
Cooktop CW CD OW OD SB BT, Max++
Model No. Cutout Cutout Overall Overall Minimum Backsplash
Width Depth Width Depth Set Back Thickness
30” Cooktops: Installed with UCV30
SGS304* 28-15/16 22-1/4 31 23-3/4 1-1/2 3/4
SGSX304* 28-15/16 22-1/4 31 23-3/4 1-1/2 3/4
CET304 28-3/4 22-1/8 31 23-7/8 2-1/2 0
CEP304 28-3/4 22-1/8 31 23-7/8 2-1/2 0
CEM304 28-3/4 22-1/8 31 23-7/8 2-1/2 0
36”Cooktops: Installed with UCV36
SGS365** 34-15/16 22-1/4 37 23-3/4 1-1/2 3/4
SGSX365** 34-15/16 22-1/4 37 23-3/4 1-1/2 3/4
CET365 34-3/4 22-1/8 37 23-7/8 2-1/2 0
CEP365 34-3/4 22-1/8 37 23-7/8 2-1/2 0
CEM365 34-3/4 22-1/8 37 23-7/8 2-1/2 0
45” Cooktops: Installed with UCV45
SGS456 43-15/16 22-1/4 46 23-3/4 1-1/2 3/4
SGSX456 43-15/16 22-1/4 46 23-3/4 1-1/2 3/4
CET456 43-3/4 22-1/8 46 23-7/8 2-1/2 0
CEP456 43-3/4 22-1/8 46 23-7/8 2-1/2 0
CEM456 43-3/4 22-1/8 46 23-7/8 2-1/2 0
CVS245: 43 3/8"
CVS236: 34 3/8"
CVS230: 28 3/8"
2 1/4"
Page 8
Have the following cooktop measurements available before
proceeding All cooktop dimensions should be verified
through measurement prior to cutting the countertop:
CCW = Cooktop Cutout Width
CCD = Cooktop Cutout Depth
COW = Cooktop Overall Width
COD = Cooktop Overall Depth
with the above dimensions confirmed, determine the cutout
size as follows:
1. Find the cutout width, (CW):
If CCW is smaller than the UCV cutout width then:
Installation CW
CVS230 28
3
/8
CVS236 34
3
/8
CVS245 43
3
/8
If CCW is larger than the UCV cutout width then:
CW = CCW
See Figure 8 for UCV cutout widths and dimension
definitions.
INSTALLATION WITH OTHER COOKTOPS WHERE SPECIFIED (SEE PART B)
Figure 8
2. Calculate the cutout depth, CD:
Determine the cooktop overhang (CO)
CO = (COD-CCD)/2 (Assumes front and rear cooktop
overhangs are equal) Calculate the cutout depth, (CD):
CD = COD - CO+1-
7
/8"
3. Determine setback (SB) distance from front of
countertop to front of cutout. SB is specified in the
installation instructions shipped with the cooktop.
4. Backsplash thickness must not exceed BT as
calculated below:
BT = 24
7
/8" - OD-SB+CO
(Provides
1
/8" clearance between vent and backsplash.)
A negative value for BT means countertop is too small
for the installation.
5. Verify that the available flat countertop has a width
greater than OW and a depth greater than OD.
OW depends on the installation:
CVS30: OW equals the greater of COW or 30".
CVS36: OW equals the greater of COW or 36".
CVS45: OW equals the greater of COW or 45".
OD is determined by: OD=COD+2
1
/8".
6. Cut countertop using dims: CD, CW and SB as
defined in Figure 8.
B. FOR INSTALLATION WITH ANOTHER BRAND OF COOKTOP (Figure 8)
2 1/4"
CVS245: 43 3/8"
CVS236: 34 3/8"
CVS230: 28 3/8"
Page 9
STEP 3: Prepare Duct Cutouts in Cabinet
Figure 9: Cabinet Cutout for Ductwork
Table 4: Cabinet Cutout Dimensions
Countertop
Surface
Point "P" (Center of Rear Cut-line)
Adjustable Within Range
Cabinet Back
Cabinet Bottom Shelf
Left Side
Note: Centerlines of
Rectangular Duct Shown
Plumb line to
intersection A-A
& B-B
Receptacle
Location
Right Side
A. Refer to Figure 9. Drop a plumb-line from Point "P" at
the rear center of the countertop cutout. Mark this point
on the bottom of the cabinet below. Construct two
reference lines through this point: one should be parallel
to the cabinet front and directly below the rear counter-
top cutout (Line A-A), and the other (Line B-B) should
be at right angles to A-A.
B. Using these reference lines as a base for the measure-
ments shown in Table 4, layout the necessary cabinet
cutouts needed to implement the planned ductwork
route. Where a range of measurements is noted,
choose a measurement that allows best clearance from
wall studs, floor joists, utilities, or other obstructions.
C. Temporarily set intake and cooktop in place and attach
integral blower (or duct transition fitting if a remote
blower is installed). Refer to steps 6 and 7. Verify that
the duct cutouts as marked will match the hardware
installation. Adjust the duct cutout as necessary to
match hardware installation.
D. Remove temporarily placed hardware and make cutouts
in cabinet to accommodate ductwork installation.
E. Make all other cabinet modifications needed to provide
proper clearances for drawers or removable shelving.
C D E F G
"8/36"2/141"8/71"2/151"4/39
Cabinet Cutout Dimensions for Blower:
Page 10
Step 4: Install Ductwork (Remote Blower,
If Used)
A. Install the ductwork and remote blower (if used) in
accordance with the ductwork routing plan developed in
Step 1.
B. Make sure that the installation complies with all installa-
tion guidelines in Table 2. Also check that the opening
where duct passes through outside wall or roof has
been properly flashed and sealed to prevent leakage.
C. If using Integral Blower, Model VTN600CV2C, proceed to
Step 5.
D. If using Remote Blower Model VTR600R or VTR1000Q,
refer to Installation Instructions with that model.
Step 5: Install Electrical Service
Check your local building codes for proper method of instal-
lation. In the U.S., if there are no applicable local codes,
this unit should be installed in accordance with the National
Electric Code ANSI/NFPA No. 70, Current Issue. (In
Canada, installation must be in accordance with the CAN 1-
B149.1 and .2 - Installation Codes for Gas Burning Appli-
ances and/ or local codes).
The appliance must be grounded. In the event of an electri-
cal short circuit, grounding reduces the risk of electric
shock by providing an escape wire for the electric current.
This appliance is equipped with a cord having a grounding
wire with a grounding plug. The plug must be plugged into
an outlet that is properly installed and grounded.
WARNING - Improper grounding can result in a risk of
electric shock.
Consult a qualified electrician if the grounding instructions
are not completely understood, or if doubt exists as to
whether the appliance is properly grounded.
Do not use an extension cord. If the power supply cord is
too short, have a qualified electrician install an outlet near
the appliance.
The receptacle should be located under the countertop so
that the 30 inch long power cord from the vent will reach it.
See Figure 9. The cord should be routed beneath the
appliance and away from heat generated by the cooktop.
Access should not be obstructed by blower, cabinet work,
ductwork or electrical/gas utilities for the cooktop. All power
for the vent system (including the remote blower, if used) is
supplied via the cord to the intake unit. The outlet can
usually be extended from another kitchen outlet or have its
own circuit from the main service panel.
Do not plug vent cord into receptacle until Step 8.
Step 6: Mount Vent and Cooktop
A. Remove grease filters and any packing materials from
inside the intake.
B. Set the vent intake into rear of countertop opening.
Carefully lower it into position so that the flanges on the
rear sides and edges fully support the unit hanging from
the countertop.
C Hold the unit against the rear of the countertop opening,
and slide the leg brackets down to meet the bottom of
cabinet. Check and adjust for plumb, then fasten leg
brackets to cabinet with hardware provided.
D. Place the cooktop in countertop opening with the rear
edge of cooktop overlapping the front edge of the vent.
Make sure rear edge of cooktop does not bind
against front of snorkel. Follow the manufacturer's
installation instructions for installing gasket strips,
protective heat tape (if required), securing the cooktop
to the countertop and making the cooktop electrical
and/or gas connections.
Page 11
Step 7: Mount Integral Blower or
Outlet Duct Transition for Re-
mote Blower
Integral Blower VTN600 (See Figures
10 and 12 for further detail):
A. Attach blower in front of round exhaust
outlet with 4-6 (depending on configura-
tion) #8 sheetmetal screws
B. Feed cord from blower through strain
relief.
C. Secure strain relief with screws.
D. Attach strain relief to downdraft near
junction box.
E. Connect cord to downdraft at 6 pin con-
nector
F. Connect blower to ductwork.
Remote Blower VTR600R or VTR1000Q
(See Figures 11 and 12 for further detail):
A. Remove junction box cover and connect
conduit with 5 wires from remote blower.
Hook up wires per Wiring Diagram,
Fig. 10. Replace junction box cover.
B. Attach duct transition at mounting holes
with sheetmetal screws.
C. Feed remote blower pigtail through strain
relief.
D. Attach strain relief to downdraft near
junction box.
E. Connect pigtail to downdraft at 6 pin
connector.
F. Run pigtail wires to junction box.
G. Inside junction box, connect conduit with
five wires from remote blower. Use a
conduit connector to secure.
Note: Blower and duct transition box may be
installed with duct outlet left, down or
right. Install blower or duct transition in
such a way that access panels can be
removed for service.
Strain Relief
Junction Box
Conduit To
Remote Blower
Figure 11 - Remote Blower
Figure 10 - Internal Blower
Internal Blower
Strain Relief
Transition
CV2T6
6 Pin
Connector
Remote Blower
Pigtail
6 Pin Connector
Page 12
Step 8: Install Coordinating Topcap (if
applicable)
The downdraft is shipped from the factory with a stainless
steel topcap. Color coordinating topcaps in white and black
are available as accessory parts.
A. Remove filters and set aside. Remove 4 screws from
below topcap and two screws (one on each side) from
endcaps. Discard topcap and endcaps. Set screws
aside.
B. Install new endcaps and topcap as seen in Figure 13
(insert endcaps first). Replace screws.
B L O W E R
L O W E R
N C
R A T I N G : 1 2 0 V - 1 0 A
O R A N G E
G N D
6 0 W
G R E E N
L 1 : 1 2 0 V
W H I T E
B R O W
D I S C O N N E C T
N C - N O R M A L L Y C L O S E D
U P P E R
B L O W E R
B L O W E R
G R A Y
C
N O
M O T O R
SWITCH
S T E P D O W N
L 1
2 4 V
B L A C K
P O W E R
M O T O R
B L A C K
L I M I T
CONTROL
O R A N G E
L O W E R E D P O S I T I O N
1 2 0 V
N : G R O U N D E D W H I T E W I R E
Y E L L O W
T E R M I NA L
B L U E
L I M I T
N O - N O R M A L L Y O P E N
N C
W A R N I N G : P O W E R M U S T B E D I S C O N N E C T E D B E F O R E S E R V I C I N G T H I S A P P L I A N C E
2 4 V
S W I T C H
A B B R E V I A T I O N S :
N
W I T H D O W N D R A F T I N
3 W I R E S I N G L E P H A S E 6 0 H z
G R A Y
L T . B L U E
C
S W I T C H
B L A C K
S W I T C H
C
D C
C - C O M M O N
6 0 H z
G N D : G R O U N D I N G G R E E N W I R E
S W I T C H P O S I T I O N S H O W N
B L O C K
Y E L L O W
R E D
Figure 12 - Wiring Diagram
Figure 13 - Topcap installation
Topcap
Endcaps
Page 13
Step 9 Verify Installation, Operation and
Cooktop Alignment
Before performing this procedure, verify that all packing
materials were removed from inside the snorkel and that the
grease filters and front panel have been properly installed.
Refer to the Care and Use Manual for instructions regarding
filter and front panel installation.
Plug the vent power cord into a proper electrical receptacle
and ensure that the circuit is energized.
A. Raise the snorkel to its fully extended position by
pressing the UP/DOWN push-button once (Figure 12).
Do not hold the push-button. The elevating motor will
stop when the snorkel reaches its full height. (Note: the
blower will not operate unless the snorkel is fully
raised).
B. Remove protective tape from top cap.
C. Turn the blower ON by selecting in turn each of the 3
speeds. Let the blower run several minutes at each
speed to evaluate its operation.
D. With the blower running, lower the snorkel to its fully
retracted position by pressing the UP/DOWN push-
button once. The blower will immediately turn off.
E. With the blower on HIGH, close the windows and doors
to the area to ensure that fan does not cause back
drafting in any outlet vent for another appliance.
F. Raise and lower the vent again, and check to make sure
that the top cap on the snorkel does not catch on the
back edge of the cooktop when it is lowered. If interfer-
ence occurs, adjust the position of the cooktop by
moving it against the front edge of the countertop
cutout, then re-secure the cooktop to the countertop.
Failure to eliminate interference may result in perma-
nent damage to the vent. Also, ensure that the vent
support legs have been properly secured to the cabinet
base using the screws provided.
If the vent system does not operate satisfactorily during any
of the above procedures, review all steps in these Installa-
tion Instructions to ensure that nothing has been omitted or
overlooked. Also, refer to the Care & Use Manual for addi-
tional information or call Thermador Customer Support 1-
800-735-4328.
Page 1
INSTRUCTIONS DE SÉCURITÉ
A. L'installation et le câblage électrique doivent être
effectués par des personnes qualifiées conformé-
ment à toutes les normes et codes applicables,
incluant la construction relative au feu.
B. Siffisamment d'air est nécessaire pour une combus-
tion appropriée et l'échappement des gaz par tirage
(cheminée) d'équipement à combustion pour éviter
le tirage arrière. Suivre les directives du fabricant
d'équipement de chauffage et les normes de
sécurité telles celles fournies par l'Association de
protection des incendies nationale (NFPA) et la
Société américaine d'ingénierie de chauffage, réfri-
gération et climatisation (ASHRAE) ainsi que les
codes locaux.
C Au moment de couper ou percer un mur ou plafond,
ne pas endommager le câblage électriques et
autres.
D. Les ventilateurs à conduit doivent toujours être
ventilés vers l'extérieur.
E. Toujours débrancher le tirage vers le bas de
l'alimentation avant d'effectuer le service.
F. Cet appareil est conçu pour une utilisation intérieure
seulement. Utiliser cet appareil de la façon à
laquelle il est destiné par le fabricant.
AVERTISSEMENT
ATTENTION : pour ventilation générale seulement.
Ne pas ventiler des vapeurs ou matériaux
explosifs ou hasardeux.
Pour réduire le risque d'incendie et pour un
échappement d'air approprié, s'assurer
d'acheminer l'air vers l'extérieur. Ne pas ventiler
l'air d'échappement dans les murs, plafonds,
greniers, espaces fermés ou garages.
POUR RÉDUIRE LE RISQUE D'INCENDIE,
UTILISER DES CONDUITS EN MÉTAL.
Pour réduire le risque d'incendie, de choc
électrique et de blessures, les assemblages de
ventilateur pour les modèles CVS doivent être
installés avec une soufflerie intégrée, modèle
VRN600CV2 ou modèles VTR600R ou VTR1000Q
à télécommande. D'autres souffleries de
ventilateur ne peuvent être substituées.
Pour réduire le risque d’incendie ou de choc
électrique, ne pas utiliser le ventilateur avec
dispositif de contrôle de vitesse à semi-
conducteur.
Cet appareil est conforme avec la norme UL507
pour ventilateurs électriques et la norme
canadienne CAN/CSA-22,2, n° 113 pour
ventilateurs. Il incombe au propriétaire et à
l’installateur de déterminer si des normes ou
exigences additionnelles s’appliquent pour une
installation spécifique.
AVERTISSEMENT
POUR RÉDUIRE LE RISQUE D'INCENDIE, DE
CHOC ÉLECTRIQUE OU DE BLESSURES, OB-
SERVER CE QUI SUIT :
Pièces nécessaires
• Soufflerie (à télécommande ou intégrée)
• Ruban à mesurer
• Tournevis à tête Phillips
• Ruban à conduit
• Conduit (configuration variant selon l'emplacement ; voir
pages 4 à 7 pour plus de détails)
• Vis à métal additionnelles (au besoin pour l'installation
de conduit)
• Transition(s) (style variant selon le conduit)
Boîte de transition pour installation de soufflerie à
télécommande si disponible comme accessoire.
• Scie ou équivalent pour couper le plan de travail
• Vis à bois n° 8 x 1 1/4 po (4)
Pièces fournies
• Assemblage tirage vers le bas (1)
• Vis à métal n° 8 (8)
• Réducteur de tension du cordon de soufflerie (1)
• Quincaillerie pour fixations sur évent (2)
• Queue de cochon de soufflerie à télécommande
Cet appareil est fabriqué pour une utilisation intérieure seulement. Ne pas utiliser pour l'extérieur.
Lire toutes les instructions avant d’utiliser l’appareil.
LIRE ET CONSERVER CES INSTRUCTIONS
Page 2
Figure 1
Réducteur de
tension
Soufflerie
interne (non
comprise)
Dessus
INTRODUCTION
DESCRIPTION GÉNÉRALE
Le système de contre-tirage comprend ventilateur, entrée
et soufflerie (figure 1). La soufflerie peut être intégrée
(montée sur l'entrée d'évent dans l'armoire sous la plaque
de cuisson) ou à télécommande (montée sur le toit ou le
mur extéreiur). Lorsqu'une soufflerie à télécommande est
utilisée, une transition de conduit est fixée sur l'entrée de
ventilateur au lieu d'une soufflerie intégrée pour brancher
l'entrée sur le conduit. La transition de conduit doit être
achetée séparément.
La soufflerie intégrée ou la transition de conduit peut être
fixée de différentes positions sur l'entrée pour achermier le
conduit afin d'éviter armoire, structure, etc.
Le système de contre-tirage est disponible en modèle 30,
36 et 45 po avec garniture de plan de travail en acier
inoxydable, blanc ou noir. Il est destiné pour une utilisation
ave tous les modèles et marques de plaques de cuisson
électriques ou à gaz de 30, 36 et 45 po. Sauf les plaques
de cuisson de style professionnel.
Étape1 : PLAN D'INSTALLATION
Suivre attentivement le processus de planification indiqué ci-
dessous (figure 2).
A. Déterminer si une soufflerie à télécommande ou
intégrée est utilisée. L'installation de la soufflerie à
télécommande requiert 4 fils plus un fil de mise à
la terre allant du contre-tirage à la soufflerie.
B. S'assurer que l'espace d'armoire et plan de travail est
adéquat et que l'entrée est accessible si un service est
requis.
C. Il faut considérer les courants d'air créés par les
fenêtres ouvertes, portes, climatiseur, évents de
chauffage anciens, éclairages encastrés et le traffic
pouvant réduire le rendement.
D. Pour les installations de plaque de cuisson à gaz,
s'assurer qu'une ouverture minimale de 10 po
2
est
prévue au coup-de-pied ou autre armoire. Une ventilation
inadéquate de l'armoire sous la plaque de cuisson peut
causer l'extinction de la flamme au moent d'actionner le
système d'évent.
E. Assurer une alimentation en air dans la pièce où
l'appareil est installé. Si l'air d'appoint n'est pas assuré,
alors il peut en résulter des problèmes comme un
contre-tirage de la cheminée du foyer.
Page 3
A
B
Intégrée À télécommande
9-13/16 po 8-1/16 po
13 po 15 po
Figure 2
Profondeur
découpe
Plaque de
cuisson
Plaque de
cuisson
SB (voir
fig. 7,8)
Tiroir
Tablette doit être
amovible
S'assurer d'éviter une interférence avec le gaz
et l'alimentation électrique à la plaque de
cuisson.
Pour installation de ventilateur intégré,
la décharge doit être du côté gauche
de l'armoire, cette dimension est 32 1/
8 po. Cette installation requiert une
armoire non standard pour le
dégagement.
F. Vérifier les chemins de conduit potentiels et choisir le
plus court possible depuis l'appareil au mur extérieur ou
au toit par un mur intérieur et le grenier. À des fins
d'aide, des installations de conduit typiques sont
montrées aux figures 3 à 6. L'installation pour un îlot
requiert un conduit sous le plancher. Les emplacements
péninsules requièrent habituellement des conduits
latéraux par les armoires ou sous la base des armoires.
Il faut prendre en considération les interférences
potentielles des conduits par la structure de l'édifice
(montants de plancher ou mur) et les services utilitaires
(câblage électrique, eau, gaz, etc.).
G. Déterminer si le chemin choisi pour les conduits répond
aux exigences de rendement du sustème de ventilation.
Pour ce faire, mesurer la longueur de conduit
nécessaire et déterminer les raccords spécifiques.
Entrer cette donnée dans les espaces prévus au tableau
1, page 6. Pour les chemins de conduit plus longs que
100 pi, communiquer avec le service à la clientèle pour
les estimations de rendement. De plus, les directives
d'installation de conduit, tableau 2, page 7, doivent être
observées pour la planification des conduits.
H. Acheter les conduits nécessaires conformément à la
liste indiquée en G, ci dessus.
La profondeur de la tablette et du tiroir est
dépendante de la profondeur et du retrait de
la plaque de cuisson.
Évent
Évent
Les dimensions dépendent de la
direction de la décharge.
1-5/8 po
3-1/16 po
1/8 po min
1/4 po
2-3/8 po
2-1/16 po 25 po
1-3/4 po
9/16 po
36 po
17po max
31 po
24 po
10 po
5-3/4
po
5 po max.
12-3/4
po
Page 4
Figure 3
Installation par le mur
Figure 4
Soufflerie
intégrée
12 po Min.
Figure 5
Soufflerie
intégrée
Figure 6
Installation sur le toit
Boîte de transition de
conduit
Soufflerie à
télécommande
Figures 3 à 6 sont des exemples de conduits
Installation par le mur
Installation par le mur
Boîte de transition
de conduit
Soufflerie à
télécommande
Collier 10 po
Conduit 3-1/4 po
x 10 po ou 8 po
Extrémité doit
être fermée et
scellée
SOUFFLERIE TOURNÉE À 90° POUR
CONNEXION LATÉRALE
Sol
Capuchon
mural
Soufflerie à télécommande
Soufflerie intégrée
Soufflerie à télécommandeSoufflerie intégrée
Page 5
6 po
7 po
8 po
10 po
3-1/4 po x 10 po
3-1/4 po x 14 po
8 po
7 po
6 po
6 po
8 po
7 po
6 po
7 po
6 po
6 po
6 po
7 po
7 po
7 po
po
po
po
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
pi
REMARQUE : les raccords avec numéros de modèle indiqué sont
disponible par le marchand Thermador. Tout autre raccord sont
disponibles dans les quincailleries.
TOTAL (2 colonnes)=
DOIT être MOINS que :
Soufflerie intégrée - 85 pi
Soufflerie à télécommande - 70 pi
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Thermador HS30BS Guide d'installation
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