Hestan KVC36 Guide d'installation

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Guide d'installation

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INDOOR COOKING
Vent Hood - Chimney
KVC
Installation, Use and Care Manual
IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWED
EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING
PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH.
READ THESE INSTRUCTIONS CAREFULLY AND COMPLETELY BEFORE
INSTALLING OR USING YOUR APPLIANCE TO REDUCE THE RISK OF
FIRE, BURN HAZARD, OR OTHER INJURY. KEEP THIS MANUAL FOR
FUTURE REFERENCE.
SAFETY DEFINITIONS
THIS INDICATES THAT DEATH OR SERIOUS INJURY MAY OCCUR
AS A RESULT OF NOT OBSERVING THIS WARNING
THIS INDICATES THAT MINOR OR MODERATE INJURY MAY
OCCUR AS A RESULT OF NOT OBSERVING THIS WARNING.
THIS INDICATES THAT DAMAGE TO THE APPLIANCE OR
PROPERTY MAY OCCUR AS A RESULT OF NOT OBSERVING THIS
WARNING.
INSTALLER: LEAVE THIS MANUAL WITH THE OWNER OF THE APPLIANCE.
HOMEOWNER: RETAIN THIS MANUAL FOR FUTURE REFERENCE.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or
any other appliance.
Installation and service must be performed by a qualified installer or service agency.
DO NOT REPAIR, REPLACE OR REMOVE ANY PART OF THE APPLIANCE UNLESS
SPECIFICALLY RECOMMENDED IN THE MANUAL. IMPROPER INSTALLATION,
SERVICE OR MAINTENANCE CAN CAUSE INJURY OR PROPERTY DAMAGE. REFER
TO THIS MANUAL FOR GUIDANCE. ALL OTHER SERVICING SHOULD BE DONE BY
A HESTAN AUTHORIZED SERVICE TECHNICIAN.
Message from Hestan:
Hestan’s award-winning culinary innovations and purpose-built features reinvented
the restaurant kitchen and redefined culinary experience in some of America’s most
acclaimed restaurants. Hestan now takes this performance from the back of the
house and puts it front and center in yours. Thoughtfully designed and meticulously
built, Hestan will serve you beautifully for years to come.
Hestan is the only residential brand born from the dreams and demands of
professional chefs. From ranges to refrigeration, every detail is designed to deliver
the performance and reliability expected in a restaurant – now available for you.
We appreciate you choosing Hestan, and we promise to deliver the very best to you.
Welcome to Hestan
SAFETY PRECAUTIONS - BEFORE YOU BEGIN
ELECTRICAL SHOCK HAZARD
It is the responsibility of the user to have the appliance connected
by a licensed electrician in accordance with all applicable codes and
standards, including fire-related construction. See step 16 - “WIRING
CONNECTION:” on page15 for details.
ELECTRICAL SUPPLY AND GROUNDING
This appliance must be grounded. See step 16 - “WIRING CONNECTION:” on page15 for
instructions.
This appliance must be connected to 120 VAC Single Phase, 60 Hz, with a dedicated 20 amp
circuit.
OWNER: Have the installer show you where the electric circuit breaker is located so you know
how to shut off the power to this appliance.
Suitable for use in covered outdoor applications when installed in a GFCI protected branch circuit.
TABLE OF CONTENTS
1 SAFETY PRECAUTIONS - BEFORE YOU BEGIN
4 MODEL NUMBERS
4 RATING LABEL
5 REGULATORY / CODE REQUIREMENTS
5 USING THE VENTILATION SYSTEM
6 CLEANING AND MAINTENANCE
9 TROUBLESHOOTING
10 DUCTING DO’S AND DON’TS
11 INSTALLATION
17 VENT ACCESSORIES
18 DUCT COVERS
19 PARTS / SERVICE
19 LIMITED WARRANTY
When properly cared for, your Hestan ventilation system will provide safe, reliable service for many
years. When using this ventilation system, basic safety practices must be followed as described in
the following pages.
IMPORTANT: Save these instructions for the local Utility Inspector’s use.
INSTALLER: Please leave these Installation Instructions with the owner.
OWNER: Please read these Instructions and save them for future reference.
©2019 Hestan Commercial Corporation
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GENERAL SAFETY PRECAUTIONS
When properly cared for, your new Hestan ventilation hood has been designed to be a safe, reliable
ventilation system. Read all instructions carefully before using this ventilation system. When using
kitchen appliances, basic safety precautions must be followed.
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO
PERSONS, OBSERVE THE FOLLOWING:
a) Use this ventilation system only as intended by the manufacturer. If you have any questions,
contact the manufacturer.
b) Before servicing or cleaning unit, switch power off at service panel and lock the service
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.
FOR GENERAL VENTILATING USE ONLY. DO NOT USE TO
EXHAUST HAZARDOUS OR EXPLOSIVE MATERIALS AND VAPORS.
TO REDUCE THE RISK OF A RANGE TOP GREASE FIRE:
a) Never leave burners or surface units unattended at high settings. Boilovers cause smoking and
greasy spillovers that may ignite. Heat oils slowly on low or medium settings.
b) Always turn hood ON when cooking at high heat or when flambéing food (i.e. Crepes Suzette,
Cherries Jubilee, Peppercorn Beef Flambé).
c) Clean ventilating fans frequently. Grease should not be allowed to accumulate on fan or filter.
d) Use proper pan size. Always use cookware appropriate for the size of the burner or surface
element.
TO REDUCE THE RISK OF INJURY TO PERSONS, IN THE EVENT OF
A RANGE TOP GREASE FIRE, OBSERVE THE FOLLOWING *:
a) SMOTHER FLAMES with a close-fitting lid, cookie sheet, or metal tray, then turn off the
burner. BE CAREFUL TO PREVENT BURNS. If the flames do not go out immediately,
EVACUATE AND CALL THE FIRE DEPARTMENT.
b) NEVER PICK UP A FLAMING PAN - You may be burned.
c) DO NOT USE WATER, including wet dish cloths or towels - a violent steam explosion will
result.
d) Use an extinguisher ONLY IF:
1. You have a Class ABC or Class K fire extinguisher and you already know how to operate it.
2. The fire is small and contained in the area where it started.
3. The fire department is being called.
4. You can fight the fire with your back to an exit.
* Based on “Kitchen Fire Safety Tips” published by NFPA.
SAFETY PRECAUTIONS - BEFORE YOU BEGIN
(CONT.)
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BURN HAZARD
This ventilation system is intended for use with ranges or cooktops, which can get very hot during
operation. Observe the warnings and cautions for the cooking appliance.
This ventilation system should be serviced only by a Hestan authorized service technician. Contact
the nearest authorized service center for examination, repair or adjustment.
Do not repair or replace any part of the system unless specifically recommended. Refer service to
an authorized servicer.
Do not operate this ventilation system if it is not working properly or if it has been damaged, until
an authorized servicer has examined it.
Install or locate this ventilation system only in accordance with the Installation section of this
manual. Do not cover or block any openings on this ventilation system.
It is highly recommended that a suitable kitchen fire extinguisher (Class ABC or K) be readily
available and highly visible next to any cooking appliance.
SAFETY DURING CLEANING
Clean only ventilation system parts listed in this manual, in the manner specified in this manual.
Note: the “ventilating fans” and “filter” in the previous warnings refer to the blower wheels, blower
housing(s), and blower shield(s). See “CLEANING” on page7 for parts indentification and
cleaning instructions.
THIS MANUAL SHOULD REMAIN WITH THE HOMEOWNER FOR FUTURE REFERENCE.
SAFETY PRECAUTIONS - BEFORE YOU BEGIN
(CONT.)
©2019 Hestan Commercial Corporation
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(serial number)
(model number)
RATING LABEL
The rating label contains important information about your Hestan appliance such as the model and
serial number, electrical rating and the minimum installation clearances.
The rating label is located on the blower housing.
If service is necessary, contact Hestan Customer Care
with the model and serial number information shown
on the label.
MODEL NUMBERS
MODEL NO. DESCRIPTION BLOWER PACKAGE
KVC 30
30” Chimney-style 600 cfm Kitchen Ventilation System WM2L Dual
KVC 36
36” Chimney-style 600 cfm Kitchen Ventilation System WM2L Dual
KVC 42
42” Chimney-style 900 cfm Kitchen Ventilation System WM2L Dual + WM1L Single
KVC 48
48” Chimney-style 900 cfm Kitchen Ventilation System WM2L Dual + WM1L Single
KVC 54
54” Chimney-style 1200 cfm Kitchen Ventilation System Two WM2L Duals
POWER AND FLOW RATINGS
Blower
Package
Amps
CFM
Equivalent
CFM **
CFM
CFM
CFM
Minimum
Round Duct
Size
Sones
***
WM2L Dual 2.9 600 900 531 480 430 8” (50 in.
2
) 6.5
WM2L Dual +
WM1L Single
4.4 900 1350 804 725 655 AKVT6810:
10” (79 in.
2
)
6.3
Two WM2L
Duals
5.8 1200 1800 1062 960 860 AKVT8812:
12” (113 in.
2
)
6.6
All units 115 VAC 60 Hz 1550 RPM
* Static Pressure in inches water column.
** When comparing the Hestan system with blower units made by other manufacturers, use the “Equivalent CFM”.
*** Ratings in accordance with the Standard Test Code by the Energy Systems Laboratory of the Texas Engineering
Experiment Station.
Typical rating label
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Rating label location
REGULATORY / CODE REQUIREMENTS
Installation of this ventilation system must be made in accordance with local codes. In the absence
of local codes, this unit should be installed in accordance with the National Electrical Code and
local codes.
This appliance must be electrically grounded in accordance with local codes or in the absence of
local codes with the National Electrical Code
ANSI/NFPA 70
, or Canadian Electrical code
CSA
C22.1
.
USING THE VENTILATION SYSTEM
FEATURES OF THE VENTILATION SYSTEM
Speed controls are provided for each blower assembly. Two-blower systems will have one speed
control knob, while three- or four-blower systems will have two speed control knobs.
A control knob is provided for lighting intensity.
The controls layout will be similar to that shown below.
USING THE HOOD
The user can start with the a hood on the lowest setting, and then increase speed and/or turn
on additional blowers as required. Using the hood at high settings may increase heating or air
conditioning requirements and costs for the house.
BLOWER CONTROL KNOB
To operate the blower(s), rotate the knob through the blower speed settings by turning it clockwise
(facing the knob).
Rotate the knob counter-clockwise to reduce the blower speed.
LIGHT CONTROL KNOB
To operate the lights, rotate the knob through the light intensity settings by turning it clockwise
(facing the knob). Rotate the knob counter-clockwise to dim the lights or turn them off.
1
2
4
3
2
Controls for two blowers
Controls for three and four blowers
Item Function
1
Blower control
2
Light control
3
Blower control
blowers 1 & 2
4
Blower control,
blower 3 or
blowers 3 & 4
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CLEANING AND MAINTENANCE
CLEANING THE VENTILATION SYSTEM
Cleaning requirements depend completely on usage and environment. The more high-heat and/or
greasy cooking, the more often the hood and blower will need cleaning.
The grease tray and blower aren’t visible from the outside, so they must be removed for inspection.
After you’ve inspected the tray a few times over the course of six months or a year, you’ll be able to
set a cleaning schedule according to your usage pattern.
HOOD CANOPY
Wipe down the interior and exterior of the hood as needed with a soft cloth and warm soapy
water (liquid dish detergent is acceptable). Do not use acids, abrasives, strong detergents, solvents,
or scouring pads. Stainless steel should be treated with a quality stainless steel cleaner such as
Stainless Steel Magic®. Follow all label instructions. Do not polish across the grain or in circles.
BLOWER HOUSING AND SHIELD
To reduce the risk of personal injury, be sure the power is turned off in
the hood before removing the shield(s) and blower housing(s).
The blower captures grease by-products in the blower housing(s) and blower shield(s). The blower
shields require more frequent cleaning than the blower housing but cooking usage determines how
often each item will need to be cleaned.
Item # Description
1
Blower housing with damper(s)
2
Blower shield
BLOWER SHIELD REMOVAL
The blower shields are easily removed
for cleaning by pulling the blower shield(s) toward the front of the hood.
Be careful to keep the tray level if the hood has been recently used and the
grease might still be warm.
Inspect and clean the shield. (Details follow)
BLOWER HOUSING REMOVAL
To remove the blower housing:
1. Unsnap two suitcase latches, one on each side of the housing.
2. Support the housing and pull it away from the blower base.
3. While pulling it back, gently “tip” it downward to clear the blower wheel(s).
1
2
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CLEANING
Clean the shield(s) and/or blower housing(s) in a sink of warm soapy water (liquid dish detergent)
and let soak for a few minutes. Wash with a sponge or dishcloth, rinse and let drain before
reinstalling. Alternatively, the blower housing(s) and blower shield(s) may be placed into a
dishwasher.
Item # Description
1
Motor housing
2
Wheel
3
Blower housing with damper(s)
4
Blower shield
To reduce the risk of personal injury, be sure the power is turned off in
the hood before removing the shield(s) and blower housing(s).
Regular cleaning of the blower housing should prevent grease accumulation on the blower wheel.
If grease build-up should occur, the blower wheel may easily be cleaned in place using a soft bristle
toothbrush and a common degreaser such as Formula 409®.
Take care not to move or lose the metal balancing clips that may be affixed to
the wheel.
Item # Description
1
Balancing clip
2
Blower wheel
2
1
4
3
1
2
CLEANING AND MAINTENANCE
(CONT.)
©2019 Hestan Commercial Corporation
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CLEANING AND MAINTENANCE
(CONT.)
BLOWER WHEEL REMOVAL
For instances where the blower wheel must be removed, follow the instructions below.
Removing the blower wheel requires a 1/8” hex wrench. This may be obtained from your local
hardware store or tool supply.
The wheel is retained by a set screw on the side of the hub of the wheel that tightens up against a
“flat” spot on the motor shaft. (See illustration on previous page.)
1. Locate the set screw on the side of the hub of the wheel
2. Insert wrench through the blades of the blower wheel and into the set screw.
3. Loosen the set screw 1/2 turn counterclockwise.
If the wheel is difficult to remove, the area where the motor shaft makes contact with the
blower wheel hub may need to be sprayed with a common penetrating oil such as WD-40
®
.
After allowing the penetrating oil to soak for a few minutes, push the blower wheel forward
slightly, then gently pull the blower wheel off the motor shaft.
Use caution to avoid bending or distorting the blower wheel and take care not to move or lose
the metal balancing clips that may be affixed to the wheel.
A soft bristle toothbrush with warm soapy water may be used to clean the blades, or soak the
blower wheel in warm soapy water.
BLOWER WHEEL INSTALLATION
When reinstalling the wheel onto the motor shaft, make sure the set screw makes direct contact
with the “flat spot” on the motor shaft.
1. Slide the blower wheel onto the motor shaft as far as it will go, making sure the back of the
blower wheel does not touch the motor mount screws protruding from the motor.
If the motor is too far back, it will rub the motor mount screws, and if it is too far forward, it
will rub the inside of the blower housing.
2. Adjust the blower wheel slightly to find the correct front-to-rear location.
3. Tighten the set screw (clockwise) to lock the blower wheel in the correct position.
For hoods that have more than one blower wheel, make sure that white
blower wheels are matched up with white motor rings, and black blower
wheels are matched up with black motor rings.
The hood will not perform properly if blower wheels and motors are mismatched.
©2019 Hestan Commercial Corporation
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TROUBLESHOOTING
If the hood does not perform satisfactorily, check the following:
Do the blowers run?
Are the blower wheels installed on the correct motors? (black wheel on black motor, white
wheel on white motor)
Are the motor and wheel assemblies installed in the correct locations?
Check the damper doors in blower housing(s) - do they move/open freely?
Check the dampers/vents to outside - do they open freely, with no obstructions?
Check for damaged or obstructed ductwork.
MOTOR REPLACEMENT
To reduce the risk of personal injury, turn off power to the hood at the
breaker or the circuit disconnect before attempting to remove the
blower motor.
MOTOR IDENTIFICATION AND POSITIONING
Motors are color-coded; black and white motors have different rotations and must be installed in
the correct positions.
Housings with a single blower use a white blower and wheel.
Housings with two blowers use a white blower on the right and black on the left.
Make sure you have the correct motor in each housing position.
If the replacement blower motor includes a blower wheel, then you can remove the motor and
wheel together. If you will re-use your existing wheel, then you may wish to remove the wheel
before removing the motor.
1. Remove the shield and blower housing as described in
“BLOWER WHEEL REMOVAL” on page8.
2. Use a ¼” nut driver to remove the three motor mount
screws that attach the motor to the hood.
3. Gently pull the motor forward and down.
4. Disconnect the wiring harness, remove the old motor.
To avoid damage to the blower wheel, you may wish to
install the motor and then install the wheel onto the motor.
5. Lift the new motor so you can connect the wiring
harness. Be sure to fully engage the electrical
connections and tighten the motor mount screws.
6. Check the blower wheel clearance and adjust
as needed, as described in “BLOWER WHEEL
INSTALLATION” on page8.
CLEANING AND MAINTENANCE
(CONT.)
©2019 Hestan Commercial Corporation
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©2019 Hestan Commercial Corporation
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DUCTING DO’S AND DON’TS
GENERAL REQUIREMENTS
Observe local codes regarding special duct requirements and placement of duct work against
combustibles.
Using recommended transitions (see VENT ACCESSORIES) will ensure proper efficiency.
Using recommended roof caps or wall louvers (see VENT ACCESSORIES) will ensure proper
efficiency.
Use foil HVAC tape (not grey cloth duct tape) to seal all joints.
The hood must be ducted to the outdoors without restrictions.
BLOWER REQUIREMENTS
The dual blower unit (WM2L, used in all systems) requires 8” round duct or equivalent (50 square
inches). The single blower unit (WM1L, used in addition to the dual blower unit in 900 CFM
systems) requires 6” round duct or equivalent (28 square inches).
COMBINED DUCT SIZE AFTER A TRANSITION
Single and Dual (WM1L & WM2L) combine to 10” round or equivalent 79 sq. in. when using a
multi-blower transition such as AKVT6810 (Optional).
Two Duals (Two WM2Ls) combine to 12” round or equivalent 113 sq. in. when using a multi-blower
transition such as AKVT8812 (Optional).
DUCTING REQUIREMENTS (DO’S AND DON’TS)
NEVER reduce the duct size. When combining ducts together, the square inch area of
the outlet duct must be equal or greater than the total square inch area of the ducts being
combined.
Only use smooth galvanized metal duct. Do not use flexible or corrugated duct. This type of
duct will restrict airflow and reduce performance.
Make the duct run as short and as straight as possible with as few turns as possible.
Avoid sharp-angled turns. Instead, use smooth, gradual turns such as adjustable elbows or 45
degree angled turns.
For duct runs over 20 feet, increase the duct diameter by one inch for every ten feet of duct.
When planning length, a 90 degree elbow is equivalent to 5 feet of duct.
TERMINATION REQUIREMENTS
Airflow must not be restricted at the end of the duct run.
A wall louver or roof cap is required for each duct run.
Every wall louver or roof cap must
include a gravity damper to prevent
back drafts.
Do not use screen wire or spring-
loaded doors on wall louvers or roof
caps.
Do not terminate venting into an attic
or chimney.
Smooth duct Smooth gradual turn
Proper combining
of two ducts
YES
NO
Flexible duct Sharp angled turns
of two ducts
Improper combining
INSTALLATION
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO
PERSONS, OBSERVE THE FOLLOWING:
a) Installation work and electrical wiring must be done by qualified person(s) in accordance with
all applicable codes and standards, including fire-rated construction.
b) 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 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.
TO REDUCE THE RISK OF FIRE, USE ONLY METAL DUCTWORK.
TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT USE THIS BLOWER WITH
ANY SOLID-STATE SPEED CONTROL DEVICE.
INSTALLATION DETAILS
1. Read all instructions thoroughly before beginning installation. Note: These instructions apply
to Hestan hoods only.
See “DUCTING DO’S AND DON’TS” on page10
Weight and size: For safe installation, at least two people should be present to lift and hold the
hood. For larger hoods and installations with duct covers, it is advisable to have a third person
present to assist.
Back Venting: If venting out the wall behind the hood instead of venting through the ceiling,
see “BACK VENTING” on page16 for details.
2. When installing a wall mount range hood, it is recommended that the bottom edge of the hood
be located no more than 30” above the cooking surface for optimum performance.
3. Duct Preparation
IF THE HOOD IS TO BE “BACK VENTED”, PROCEED DIRECTLY TO
STEP 4.
a) Consult the connection diagrams (following) for further details on
exhaust outlet placement.
b) Install the duct(s) from the outside of the home down to the
location of the exhaust outlet(s) on the top of the hood allowing
room for the transition (if applicable). If a transition is used, install
duct down to the location of the transition outlet plus 1”. This will
allow the transition to engage 1” inside of duct.
c) Use foil HVAC tape (not gray cloth duct tape) to seal all joints. See
“VENT ACCESSORIES” on page17 for a listing of Hestan ducting
accessories.
Make sure that once the hood is mounted, the
motor cooling vents are not obstructed.
30”
[76.2 cm]
9”
[22.9 cm]
9”
[22.9 cm]
36”
[91.4 cm]
Optional duct
cover
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TRANSITION HEIGHTS:
Dual Blower (WM2L = 600 CFM): no transition - 8” round duct will connect directly to the
blower outlets, 9” below top edge of the hood.
Single and Dual Blower (WM1L + WM2L = 900 CFM): 6” round duct will connect directly
to the single blower outlet, 8” round will connect directly to the dual blower outlet.
The outlets are 9” below top of hood. If using the optional multi-blower transition
(AKVT6810, sold seperately), a 10” round duct connects to it 8-1/2” above top of hood.
Two Dual Blowers (Two WM2Ls = 1200 CFM): 8” round duct will connect directly to each
dual blower outlet. The outlets are 9” below the top of hood. If using the optional multi-
blower transition (AKVT8812, sold seperately), a 12” round duct connects to it 7-1/2”
above top of hood.
CONNECTION DIAGRAMS
Motor
Cooling
Vent (2)
Electrical
WM2L Dual Blower (600 CFM ) (Top View)
(Wall Side)
Centerline
of Hood
Connection Diagram (30-36” width)
8" [20.3 cm] Round
5-1/2"
[14 cm]
1-3/4"
[4.4 cm]
5-1/4"
[13.3 cm]
Connection diagram (42”, 48” widths)
8" Round
WM2L Dual + WM1L Single Blower (900 CFM) (Top View)
(Wall
Side)
Centerline
of hood
Electrical (2)
Motor
Cooling
Vent (3)
6" [15.2 cm]
Round
7-5/16"
[18.6 cm]
1-7/8"
[4.8 cm]
5-1/4"
[13.3 cm]
1-3/4"
[4.4 cm]
7-5/16"
[18.6 cm]
5-1/2"
[14 cm]
18"
[45.7 cm]
10"
[25.5 cm]
Optional AKVT6810 transition
piece installed
8-1/2"
[21.6 cm]
(Front View)
INSTALLATION
(CONT.)
Duct cover
(top of hood)
10" Dia. or 12" Dia.
transition centered
in cover
For 900 and 1200 CFM hoods, a transition
(AKVT6810 or AKVT8812) may be installed.
Its outlet will be located in the exact center of
the duct cover (left to right & front to rear).
©2019 Hestan Commercial Corporation
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4. Remove the hood from its packaging and place the back of the hood on the floor or countertop
in front of the wall where it will hang.
5. With the hood on its back facing you, remove
the shield(s) and blower housing(s) as follows:
a) Remove the shipping tape that is securing
the blower shield(s) inside the hood.
b) Remove the blower shield(s) by lightly
pulling it toward the front of the hood.
c) Gently close the back draft damper(s) from
the top side of the hood.
d) To remove the blower housing(s), unsnap
the suitcase latches (one on each side of
the housing).
e) Support the housing and lift it away from the blower base, then tip it back toward you to
clear the blower wheel(s), and then pull it from the hood.
Make sure power is off at the supply panel / breaker during service or
installation.
6. One blower motor must be removed from each blower assembly to access the connection
box(es). The blower assembly will have a decal identifying the location of the connection
box(es). It is not necessary to remove the blower wheel from the motor.
a) Remove the three screws retaining the blower motor.
b) Pull the motor out far enough so you can reach its electrical connector.
c) Unplug the connector, set the blower motor and screws aside.
7. WIRING PREPARATION:
a) Install an appropriate 1/2” UL listed electrical wire clamp through each motor box
electrical opening on top of the hood.
b) Install electrical wiring from the service panel to the hood location for each motor box.
Consult the connection diagrams (on previous page) for further details on electrical
placement. See “ELECTRICAL SUPPLY AND GROUNDING” on page1 for power
requirements.
8" [20.3 cm]
Round
5-1/2"
[14 cm]
1-3/4"
[4.4 cm]
11"
[29.9 cm]
11"
[29.9 cm]
8" [20.3 cm]
Round
Electrical (2)
Two WM2L Dual Blowers (1200 CFM) (Top View)
(Wall Side)
Centerline
of Hood
Motor
Cooling
Vent (4)
Connection diagram (54” width)
5-1/4"
[13.3 cm]
12"
[30.5 cm]
18"
[45.7 cm]
Optional AKVT8812
transition piece installed
(Front View)
7-1/2"
[19.1 cm]
INSTALLATION
(CONT.)
©2019 Hestan Commercial Corporation
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8. Mark the wall at the lower edge of the hood opening as follows:
a) Remove the duct cover from its packaging and remove the mounting screws from the base
of the duct cover.
b) Place the duct cover on the top of the hood and secure it using the mounting screws
previously removed.
c) Lift the hood and duct cover to the location on the wall where it will be installed and
lightly mark the wall with a short, horizontal mark along the bottom edge of the hood.
9. Find and mark location of mounting strip as follows:
a) Set the hood down so its back is accessible.
b) On the back side of the hood, measure the distance between the bottom edge of the hood
and the top edge of the wood mounting strip.
c) Measure this distance above the horizontal mark made in Step 8 and lightly mark the wall
with a level, horizontal line.
d) Measure where the center (left to right) of the hood will be and mark the upper, horizontal
line on the wall with a short, vertical centerline.
10. Attach the mounting strip to the wall as follows:
a) Remove the screws inside the top of the back of the hood that retain the wood mounting
strip that is recessed in the mounting channel. Note: Some retaining screws may be
located behind the blower(s).
b) Remove the wood mounting strip from the back of the hood and place the top edge of the
strip on the upper, level, horizontal line on the wall.
c) Referencing the vertical centerline from Step 9, center the mounting strip on the wall (left
to right) in the space where the hood will be located. Mark the strip at two or more stud
locations, and drill clearance holes in the wood strip to prevent splitting.
d) Using proper hardware, attach the mounting strip to at least two wall studs.
11. FOR BACK VENTING APPLICATIONS ONLY. IF NOT BACK VENTING, PROCEED DIRECTLY
TO STEP 12.
Note: Wall studs may interfere with back venting installations. Additional framing may be
required. It is necessary to cut duct access hole(s) in the wall prior to installing the hood.
a) Remove and set aside the duct cover that was installed in step 8.
b) Hold the hood on the mounting strip by aligning the channel at the top of the back of the
hood over the wood mounting strip on the wall.
c) Place the appropriate elbow(s) on top of the hood in line with the hood exhaust collar(s).
On the wall, trace around the elbow(s). Remove the hood and elbow(s) from the wall.
d) Cut around the outside of the traced line(s), avoiding wall studs. Install the duct from the
outside of the home to the opening in the wall. Use foil HVAC tape (not grey cloth duct
tape) to seal all joints.
e) Place the duct cover back onto the top of the hood and reattach it to the hood.
12. Mark screw holes in mounting strip:
a) While holding the hood in place, mark locations on the mounting strip through the two
mounting holes in the channel at the top of the hood. Some mounting holes may be
located behind the blower(s).
INSTALLATION
(CONT.)
©2019 Hestan Commercial Corporation
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INSTALLATION
(CONT.)
b) Remove hood and drill 3/32” pilot holes at the center of marks in the wood strip to
prevent splitting.
13. FOR BACK VENTING APPLICATIONS ONLY.
IF YOU ARE NOT BACK VENTING, PROCEED DIRECTLY TO STEP 15.
a) Place the appropriate elbow on the top of the hood. Elbow should be placed with the
non-crimped end(s) on the inside of the collar(s) of the exhaust outlet(s). Use foil HVAC
tape (not grey cloth duct tape) to seal all joints.
b) Insert the electrical wire from the service panel into the electrical wire clamp on each
motor box. Tighten the wire clamp(s).
c) While securing the slack in the wire, lift the hood up to the wall and hang the hood on the
mounting strip, taking care to properly align the duct connection(s) between the elbow(s)
on the hood and the duct(s) in the wall.
d) Secure the hood to the mounting strip by aligning the mounting holes with the holes in
the mounting strip and installing the screws previously removed from the strip in step 10.
IF BACK VENTING, SKIP STEPS 14 AND 15. PROCEED DIRECTLY TO STEP 16.
14. NON-Back Venting:.
a) Insert the electrical wire from the service panel into the electrical wire clamp on each
motor box. Tighten the wire clamp(s).
b) Cut a piece of duct of sufficient length to meet the duct in the ceiling allowing room for
the transition (if applicable). If a transition is used, cut the duct to reach the transition
outlet plus 1”. This will allow the transition to engage 1” inside of the duct. See
“TRANSITION HEIGHTS:” on page12
c) One end of the duct must be crimped to fit inside the duct in the ceiling. Insert the non-
crimped end over the transition or into the exhaust collar(s) on the top of the hood and
seal with foil HVAC tape (not gray cloth duct tape).
15. Hang the hood:
a) While securing the slack in the wire, lift the hood up to the wall and hang the hood on the
mounting strip, taking care to properly align the duct connection(s) between the hood and
the duct in the ceiling.
b) Secure the hood to the mounting strip by aligning the mounting holes with the holes in
the mounting strip and installing the screws previously removed from the strip in step 10.
16. WIRING CONNECTION:
From inside the hood, using UL listed wire nuts, attach the “neutral” wire(s) to the white
lead(s), the “hot” wire(s) to the black lead(s), and the ground wire(s) to the green lead(s)
inside the motor box(es).
DO NOT OPERATE HOOD WITHOUT PROPER GROUND
CONNECTION.
17. Plug the connectors for the motor(s) back into the hood and reinstall the blower motor(s) using
the retaining screws that were removed in Step 7.
18. Replace the blower housing(s) and the blower shield(s). Make sure that the damper(s) open and
close smoothly.
19. Turn Power ON, verify operation: See “USING THE VENTILATION SYSTEM” on page5
for proper hood operation. Test all blower and light functions to ensure they are operating
properly.
©2019 Hestan Commercial Corporation
15
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BACK VENTING
When venting out through the wall, one or two elbow fittings are required, depending on the
blower configuration:
ELBOWS FOR 600 CFM
Hoods with 600 CFM blower systems require one 8” elbow.
ELBOWS FOR 900 CFM
Units with 900 CFM blower systems require one 8” elbow and one 6” elbow.
ELBOWS FOR 1200 CFM
Hoods with 1200 CFM blower systems require two 8” elbows, one for each 600 CFM blower unit.
Side View
8” Round
9”
[22.9 cm]
Standard 6” [15.2 cm] round: 8-1/2” [21.6 cm]
Standard 8” [20.3 cm] round: 10-3/4” [27.3 cm]
Elbow and Transition Heights
Height when
fully adjusted to
90 degrees:
H
12”
[30.5 cm]
6”
[15.2 cm]
16”
[40.6 cm]
8” Round
[20.3 cm]
8-1/2”
[21.6 cm]
Optional
duct cover
600 CFM blower module uses 8” round
300 CFM blower module uses 6” round
(Drawing not to scale)
Low profile elbow: 8” to 6” x 8-1/2”
Hestan P/N AKVBE8
INSTALLATION
(CONT.)
©2019 Hestan Commercial Corporation
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