Twister & Tornado I Use, Care, and Installation Guide
3
CORE
Safety Information
READ AND SAVE THESE INSTRUCTIONS
Your safety and the safety of others are very important.
We have provided many important safety messages in this
manual for your appliance. Always read and obey all safety
messages.
This is the Safety Alert Symbol. This symbol alerts you to
potential hazards that can cause severe bodily injury or death.
All safety messages will follow the Safety Alert Symbol and either
the words “DANGER” “WARNING” or “CAUTION”
DANGER
Danger means that failure to heed this safety statement may
result in severe injury or death.
WARNING
TWISTER &
TORNADO I
INSERT
WARNING
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 unit, switch power o 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.
CAUTION
For General Ventilating Use Only. Do Not Use To Exhaust
Hazardous Or Explosive Materials And Vapors. Take care
when using cleaning agents or detergents. Suitable for use in
household cooking area.
Warning means that failure to heed this safety statement
may result in extensive product damage, serious personal
injury, or death.
CAUTION
Caution means that failure to heed this safety statement
may result in minor or moderate personal injury, property or
equipment damage.
General Safety
WARNING
To reduce the risk of fire or electric shock, do not use this fan
with any solid-state control device.
WARNING
WARNING - TO REDUCE THE RISK OF A RANGE TOP GREASE
FIRE:
a) Never leave 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 flambeing food. (i.e. Crepes Suzette, Cherries Jubilee,
Peppercorn Beef Flambe’).
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 surface element.
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Twister & Tornado I Use, Care, and Installation Guide
ZEPHYRONLINE.COM
Safety Information
READ AND SAVE THESE INSTRUCTIONS
WARNING
WARNING - 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 o 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 dishcloths or towels – a
violent steam explosion will result.
d) Use an extinguisher ONLY if:
1) You know you have a Class ABC 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 Firesafety Tips” published by NFPA.
WARNING
WARNING - 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) Sucient 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.
e) If this unit is to be installed over a tub or shower, it must be
marked as appropriate for the application and be connected
to a GFCI (Ground Fault Circuit Interrupter) - protected branch
circuit.
WARNING
WARNING
TO REDUCE THE RISK OF FIRE, USE ONLY METAL DUCTWORK.
CAUTION
To reduce risk of fire and to properly exhaust air outside, do
not vent exhaust air into spaces within walls, ceilings, attics,
crawl spaces, or garages.
WARNING
Prop. 65 Warning for California Residents: This product may
contain chemicals known to the State of California to cause
cancer, birth defects, or other reproductive harm.
Twister & Tornado I Use, Care, and Installation Guide
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Safety Information
TWISTER &
TORNADO I
INSERT
READ AND SAVE THESE INSTRUCTIONS
Operation
Ź Always leave safety grilles and filters in place. Without these components, operating blowers could catch onto hair, fingers and
loose clothing.
Ź 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.
NOTE: Please check www.zephyronline.com for revisions before doing any custom work.
Electrical Requirements
Important:
Ź Observe all governing codes and ordinances.Ź It is the customer’s responsibility to be aware of these below:Ź To contact a qualified electrical installer.Ź To assure that the electrical installation is adequate and in conformance with National Electrical Code, ANSI/NFPA 70 latest
edition* or CSA standards C22.1-94, Canadian Electrical Code, Part 1 and C22.2 No.0-M91 - latest edition** and all local codes
and ordinances.
Ź If codes permit and a separate ground wire is used, it is recommended that a qualified electrician determine that the ground path
is adequate.
Ź Do not ground to a gas pipe.Ź Check with a qualified electrician if you are not sure the range hood is properly grounded.Ź Do not have a fuse in the neutral or ground circuit.Ź This appliance requires a 120V 60Hz electrical supply and connected to an individual properly grounded branch circuit protected
by a 15 or 20 ampere circuit breaker or time delay fuse. Wiring must be 2 wire with ground. Please also refer to Electrical Diagram
on product.
Ź A cable locking connector (not supplied) might also be required by local codes. Check with local requirements, purchase and
install appropriate connector if necessary.
* National Fire Protection Association Batterymarch Park, Quincy, Massachusetts 02269
** CSA International 8501 East Pleasant Valley Road, Cleveland, Ohio 44131-5575
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Twister & Tornado I Use, Care, and Installation Guide
Ducting, conduit and all installation tools
Cable locking connector (if required by local codes)
Optional stainless steel liner (AK08xxAS)
Optional recirculating kit (ZRC-0080)
3/16 x 3/8” (2)
Twister & Tornado I Use, Care, and Installation Guide
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Installation Instructions
Ducting Calculation Sheet
Duct pieces
3- 1/ 4” x 10”
Rect.,
straight
6”, 7”, 8”, 10”
Round,
straight
3- 1/ 4” x 10”
Rect. 90
elbow
3- 1/ 4” x 10”
Rect. 45
elbow
3- 1/ 4” x 10”
Rect. 90
flat elbow
7” to 6” or
8” to 7” Round
tapered
reducer
6”, 7“, 8”
Round
in-line
damper
6”, 7”, 8”, 10”
Round,
0
90
elbow
6”, 7”, 8”, 10”
Round,
0
45
elbow
Equivalent number
length x used =
1 Ft. x ( ) =
1 Ft. x ( ) =
15 Ft. x ( ) =
0
9 Ft. x ( ) =
0
24 Ft. x ( ) =
0
25 Ft. x ( ) =
15
Ft. x ( ) =
15 Ft.
9 Ft. x ( ) =
Subtotal column 1 =
x ( ) =
To t a l
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Duct pieces
3- 1/ 4” x 10”
Rect. to
6” round
transition
3- 1/ 4” x 10”
Rect. to
6” round
transition
0
elbow
90
6” round to
3- 1/ 4” x 10”
rect.
transition
6” round to
3- 1/ 4” x 10”
rect.
transition
0
90
elbow
7” round to
3 1/ 4” x 10”
rect.
transition
7” round to
3- 1/ 4” x 10”
rect.
transition
0
elbow
90
3- 1/ 4” x 10”
Rect.
wall cap
with damper
6”, 7”, 8”, 10”
Round, wall
cap with
damper
6”, 7”, 8”, 10”
Round
roof cap
Equivalent number
length x used =
5 Ft. x ( ) =
20 Ft. x ( ) =
1 Ft. x ( ) =
16 Ft. x ( ) =
8 Ft. x ( ) =
23 Ft. x ( ) =
30 Ft. x ( ) =
30 Ft. x ( ) =
30 Ft. x ( ) =
TWISTER &
TORNADO I
INSERT
To t a l
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
Ft.
8
Maximum Duct Length: For satisfactory air movement,
the total duct length
should not exceed 150 equivalent feet.
Twister & Tornado I Use, Care, and Installation Guide
Subtotal column 2 =
Subtotal column 1 =
Total ductwork =
Ft.
Ft.
Ft.
Installation Instructions
ZEPHYRONLINE.COM
Mounting Height, Clearance, & Ducting
A minimum of 6” round vertical or horizontal duct must be used
to maintain maximum air flow eciency.
Always use rigid type metal ducts only. Flexible ducts could
restrict air flow by up to 50%.
Also use calculation (on page 8) to compute total available duct
run when using elbows, transitions and caps.
ALWAYS, when possible, reduce the number or transitions and
turns. If long duct run is required, increase duct size.
Electric Cooktop: Min 20” - Max 36”
Gas Cooktop: Min 24” - Max 36”
If turns or transitions are required; install as far away from hood
duct output and as far apart, between the two as possible.
Minimum mount height between range top to hood bottom
should be no less than 24” above gas cooktops and 20” above
electric cooktops.
36”
If available, also refer range manufacturer’s height clearance requirements and recommended hood
mounting height above range.
For shipment and installation damages:
Ź Please fully inspect unit for damage before installation.
Ź If the unit is damaged in shipment, return the unit to the store in which it was bought for repair or
replacement.
Ź If the unit is damaged by the customer, repair or replacement is the responsibility of the customer.
Ź If the unit is damaged by the installer (if other than the customer), repair of replacement must be
made by arrangement between customer and installer.
Maximum mount height should be no higher than 36”.
It is important to install the hood at the proper mounting height.
Hoods mounted too low could result in heat damage and fire
hazard; while hoods mounted too high will be hard to reach and
will lose its performance and eciency.
Twister & Tornado I Use, Care, and Installation Guide
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Installation Instructions
TWISTER &
TORNADO I
Ducting Options
WARNING
Fire Hazard: NEVER exhaust air or terminate ductwork into
spaces between walls, crawl spaces, ceilings, attics, or garages.
All exhaust must be ducted to the outside, unless using the
recirculating option.
Ź Use single wall rigid metal ductwork only.
Ź Fasten all connections with sheet metal screws and tape all joints w/ certified Silver Tape or Duct
Tape.
INSERT
Rear ducting
Roof Pitch w/
Flashing & Cap
side wall cap
w/ gravity
damper
Sot or crawl space
ductless
recirculating
10
Twister & Tornado I Use, Care, and Installation Guide
ZEPHYRONLINE.COM
Ů
26-
9/16
13”
Installation Instructions
”
”
1/8
6-
6”
1/8
”
17-
13/16
27-
9/16
”
”
11-
FRONT
17-
5/16
”
”
13/16
1-
”
1/2
3-
3-
3/4
BACK
10-
5/16
”
6”
”
”
1/16
7-
”
1/16
1-
24-
13/16
12-
3/8
”
”
BOTTOM
Twister & Tornado I Use, Care, and Installation Guide
11-
3/16
”
SIDE
”
1/4
11-
”
7/16
12-
11
CORE
Installation Instructions
TWISTER &
TORNADO I
INSERT
Electrical Supply
WARNING
Electrical wiring must be done by qualified person(s) in
accordance with all applicable codes and standards. Turn o
electrical power at service entrance before wiring.
For personal safety, remove house fuse or open circuit breaker before beginning installation. Do not
use extension cord or adapter plug with this appliance.
Follow national electrical codes or prevailing local codes and ordinances.
This appliance requires a 120V 60Hz electrical supply, and connected to an individual, properly
grounded branch circuit, protected by a 15 or 20 ampere circuit breaker or time delay fuse. Wiring
must be 2 wire w/ ground. Please also refer to the Electrical Diagram labeled on product.
Cable Lock
A cable locking connector (not supplied) might be required by local codes. Check with local
requirements and codes, purchase and install appropriate connector if necessary. (FIG. A)
Cable Lock
FIG. A
12
Twister & Tornado I Use, Care, and Installation Guide
ZEPHYRONLINE.COM
wood base
metal or other non
combustible material
locking clip
mounting holes
wood base
2” minimum
secure (2) M4 screws to mounting
holes on each long side of Power Pack
Right Side View
Ductwork
Mounting the Hood
CAUTION
At least two installers are required due to the weight
and size of the hood.
Installation Instructions
26-
7/8
”
”
5/8
10-
1. Install optional AK08xxAS Stainless Steel Liner.
Review manual included with liner for more details.
2. If no liner is used, cut out an opening in bottom of
the cabinet by following the dimensions in FIG. B.
3. Remove (6) screws from the inner brackets on the
face plate in FIG. C. Disconnect the wiring and
remove the face plate.
4. If ducting vertically, continue to step 5. If ducting
horizontally, knock out the rear duct 6” hole before
installing the hood.
5. Lift power pack into opening and ensure locking
clip has locked into position. Locking clip is located
on left side of power pack. FIG. D.
6. Fasten (2) M4 screws into each long side of power
pack. If a liner is used, the screws will go through
the power pack mounting holes, then the liner and
into the wood base.
cabinet bottom cut-out size
FIG. B
FIG. C
NOTE: Wood blocking may need to be added to
cabinet base if additional support is needed.
Refer to FIG. E.
7.If ducting horizontally, continue instructions on
page 14.
8. Install duct work and seal with duct tape. Install
electrical and reconnect all the wiring.
9. Remove all packing materials before using power
pack. Switch power on and check for leaks around
duct tape.
10. Install face plate and filters.
Twister & Tornado I Use, Care, and Installation Guide
FIG. D
FIG. E
13
CORE
Installation Instructions
Mounting the Hood
Ignore these steps if the hood is vertically ducted.
Horizontal Ducting Instructions
1. Remove (4) screws from FIG. F and (4) screws from
FIG. G.
2. Pull the motor out of the vertical ducting position.
3. Orient the motor into the horizontal ducting
position.
4. Install the motor and secure in place with screws.
5. Continue on step 8 on page 13.
TWISTER &
TORNADO I
INSERT
FIG. F
FIG. G
14
Twister & Tornado I Use, Care, and Installation Guide
Installation Instructions
ZEPHYRONLINE.COM
Ductless Recirculation
Ductless recirculation is intended for applications where an exhaust duct work is not possible to be
installed. When converted, the hood functions as a recirculating hood rather than an exhaust hood.
Fumes and exhaust from cooking are drawn and filtered by a set of optional charcoal filters. The air is
then purified and re-circulated back within the home.
We recommend to ALWAYS exhaust air outside of the home by employing existing or installing new
duct work, if possible. The hood is most eective and ecient as an exhaust hood. Only when the
exhaust option is not possible should you recourse to converting the hood into a recirculating hood.
When converted to be a recirculating hood, a set of charcoal filters are required on top of its standard
Metal Filter set. Order according to its part number below. The standard mesh filters are intended to
capture residue from cooking, and the optional charcoal filters help to purify fumes exhausted from
cooking for recirculation.
Recirculating Kit Installation (required if no ducting is used)
For detailed installation instructions, please refer to the manual included with the recirculating kit.
Hood ModelPart NumberQuantity to Order
AK8000CSZRC-00801
AK8100BSZRC-00801
1. Purchase recirculating kit per the part number above.
Remove filters from hood. Place charcoal filter on back
side of filters.
2. Place filter brackets over charcoal filter and secure in
place by tucking each end of bracket under the filter
frame. FIG. H. Reinstall filters.
FIG. H
Order replacement charcoal filters as follows:
Hood ModelPart NumberQuantity to Order
AK8000CSZ0F-C0082
AK8100BSZ0F-C0082
DO NOT WASH CHARCOAL FILTERS. Charcoal filters may need to be changed more often depending
on cooking habits.
Twister & Tornado I Use, Care, and Installation Guide
15
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