Zephyr AK7048BS Installation guide

Use, Care, and Installation Guide
www.zephyronline.com
Model number:
Serial Number:
Date of Purchase:
Sales Dealer:
MAR19.0401 © Zephyr Ventilation LLC.
Tempest I
AK7000BS
AK7036BS
AK7042BS
AK7048BS
READ AND SAVE THESE INSTRUCTIONS

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1
SAFETY NOTICE ................................................................. 2-3
LIST OF MATERIALS ....................................................... 4
INSTALLATION
Ducting Calculation Sheet ....................................... 5
Mounting Height & Clearance ................................ 6
Ducting Options ........................................................... 7
6SHFL¿FDWLRQV ............................................................... 8
Electrical ......................................................................... 9
Mounting the Range Hood ...................................... 10
Horizontal Conversion............................................... 11-12
PBD-1200A Dual Blower .......................................... 13-14
FEATURES & CONTROLS
Touch Controls ............................................................. 15-17
Optional Remote Control ......................................... 18
MAINTENANCE
Cleaning, Filters & Recirculating .......................... 19
Lights ................................................................................ 20
TROUBLESHOOTING................................................................ 21
WIRING DIAGRAMS ................................................................... 22
ACT CONVERSION ..................................................................... 23
FAN CURVE DIAGRAMS ......................................................... 24-25
LIST OF PARTS AND ACCESSORIES .............................. 26
WARRANTY .................................................................................... 27
PRODUCT REGISTRATION .................................................... 28
Table of Contents

Important Safety Notice
READ AND SAVE THESE INSTRUCTIONS
2
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WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT USE THIS FAN WITH ANY SOLID-STATE CONTROL DEVICE.
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.
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panel.
CAUTION
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WARNING
TO REDUCE THE RISK OF RANGE TOP GREASE FIRE:
D 1HYHUOHDYHVXUIDFHXQLWVXQDWWHQGHGDWKLJKVHWWLQJV%RLORYHUVFDXVHVPRNLQJDQGJUHDV\VSLOORYHUVWKDWPD\LJQLWH+HDWRLOVVORZO\
on low or medium settings.
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f. Use high setting on hood only when necessary.
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WARNING
TO REDUCE THE RISK OF INJURY TO PERSONS IN THE EVENT OF A RANGE TOP FIRE, OBSERVE THE FOLLOWING:
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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:
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WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:
D ,QVWDOODWLRQZRUNDQGHOHFWULFDOZLULQJPXVWEHGRQHE\TXDOL¿HGSHUVRQVLQDFFRUGDQFHZLWKDOODSSOLFDEOHFRGHVDQGVWDQGDUGV
,QFOXGLQJ¿UHUDWHGFRQVWUXFWLRQ
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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 vent to the outdoors.
e. NEVER place a switch where it can be reached from a tub or shower.
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Important Safety Notice
3
WARNING
TO REDUCE THE RISK OF FIRE, USE ONLY METAL DUCTWORK.
CAUTION
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attics, crawl spaces or garages.
No for use over an outdoor grill.
OPERATION
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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:
Observe all governing codes and ordinances.
It is the customer’s responsibility:
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- 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.
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Do not ground to a gas pipe.
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Do not have a fuse in the neutral or ground circuit.
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** CSA International 8501 East Pleasant Valley Road, Cleveland, Ohio 44131-5575
This appliance requires a 120V 60Hz electrical supply and connected to an individual properly grounded branch circuit protected by a 15 or 20
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appropriate connector if necessary.
FEDERAL COMMUNICATION COMMISSION INTERFACE STATEMENT
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.
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on, the user is encouraged to try to correct the interference by one of the following measures:
. Reorient or relocate the receiving antenna.
. Increase the separation between the equipment and receiver.
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. Consult the dealer or an experienced radio/TV technician for help
Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING:
Prop. 65 Warning for California Residents

List of Materials
4
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MODELS: AK7000BS, AK7036BS, AK7042BS, AK7048BS
PARTS SUPPLIED
1 - Hood
%DႉH¿OWHUV3 - AK7036BS and AK7042BS$.%6
+DORJHQOLJKWEXOEVpre-installed
6LQJOHLQWHUQDOEORZHUDQGEORZHUSODWHpre-installed
5HFWDQJXODUVWDUWLQJFROODUfor single blower horizontal ducting
1 - 8” round starting collar
5HFWDQJXODUPHWDOFDSfor single blower horizontal ducting
+DUGZDUHSDFNDJH
HARDWARE PACKAGE CONTENTS
PARTS NOT SUPPLIED
- Ducting, conduit and all installation tools
&DEOHFRQQHFWRUif required by local codes
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*Recirculating kit only compatible with single internal blower, not with dual internal blower.
Light Bulb Removal
Suction Cup (1)
M6 x 1” (4)
M6 x 1-1/2” (4)
M6 x 2” (4)
M3.5 x 8 (4) Wire Caps (3)
3/16 x 3/8 (4) Washers (4)

5
Installation – Ducting Calculation Sheet
Duct pieces To t a l
Equivalent number
length x used =
3-1/4” x 10”
Rect.,
straight
1 Ft. x ( ) = Ft.
3-1/4” x 10”
Rect.to
6” round
transition
5 Ft. x ( ) = Ft.
3-1/4” x 10”
Rect.to
6” round
transition
900 elbow
20 Ft. x ( ) = Ft.
6”, 7”, 8”, 10”
Round,
900
15 Ft. x ( ) = Ft.
6”, 7”, 8”, 10”
Round,
450
9 Ft. x ( ) = Ft.
Ft.
6”, 7”, 8”, 10”
Round,
straight
1 Ft. x ( ) = Ft.
Subtotal column1 =
Duct pieces To t a l
Equivalent number
length x used =
6”, 7”, 8”, 10”
Round, wall
cap with
damper
30 Ft. x ( ) = Ft.
Ft.
Ft.
Ft.
6”, 7”, 8”, 10”
Round
roof cap
30 Ft. x ( ) = Ft.
Subtotal column2 =
Subtotal column1 =
Total ductwork =
MaximumDuct Length:For satisfactory air movement,
the total duct length
should not exceed 100 equivalent feet.
6” roundto
3-1/4” x 10”
rect.
transition
1 Ft. x ( ) = Ft.
6” roundto
3-1/4” x 10”
rect.
transition
900 elbow
16 Ft. x ( ) = Ft.
7” roundto
3 1/ 4” x 10”
rect.
transition
8 Ft. x ( ) = Ft.
7” roundto
3-1/4” x 10”
rect.
transition
900 elbow
23 Ft. x ( ) = Ft.
elbow
elbow
7” to 6” or
8” to 7” Round
tapered
reducer
25 Ft. x ( ) = Ft.
3-1/4” x 10”
Rect.900
elbow
15 Ft. x ( ) = Ft.
3-1/4” x 10”
Rect.450
elbow
9 Ft. x ( ) = Ft.
3-1/4” x 10”
Rect.900
flat elbow
24 Ft. x ( ) = Ft.
3-1/4” x 10”
Rect.
wallcap
with damper
30 Ft. x ( ) = Ft.
Ft. x ( ) = Ft.
15
6”, 7“, 8”
Round
in-line
damper

Installation – Mounting Height & Clearance
6
www.zephyronline.com
DUCTING
A minimum of 8” round or 3-1/4” x 10” rectangular
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HႈFLHQF\IRUVLQJOHEORZHUDQG´URXQGGXFWIRU
dual blower.
Always use rigid type metal ducts only. Flexible
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$OVRXVHFDOFXODWLRQRQSDJHWRFRPSXWHWRWDO
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 from 8” to 10”.
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 26”.
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
UHVXOWLQKHDWGDPDJHDQG¿UHKD]DUGZKLOH
hoods mounted too high will be hard to reach and
ZLOOORVHLWVSHUIRUPDQFHDQGHႈFLHQF\
If available, also refer range manufacturer’s height
clearance requirements and recommended hood
mounting height above range.
Vertical Ducting:
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´URXQGPLQLPXPGXDOEORZHU
Horizontal Ducting:
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´URXQGPLQLPXPVLQJOHEORZHU
No horizontal option available for dual blower
DAMAGE-SHIPMENT / INSTALLATION:
• Please fully inspect unit for damage before
installation.
• If the unit is damaged in shipment, return the
unit to the store in which it was bought for
repair or replacement.
• If the unit is damaged by the customer, repair
or replacement is the responsibility of the
customer.
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WKDQWKHFXVWRPHUUHSDLURIUHSODFHPHQW
must be made by arrangement between
customer and installer.
36”
26” min.
36” max.

7
WARNING FIRE HAZARD
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All exhaust must be ducted to the outside.
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)DVWHQDOOFRQQHFWLRQVZLWKVKHHWPHWDOVFUHZVDQGWDSHDOOMRLQWVZLWKFHUWL¿HG$OXPLQXP7DSHRU'XFW7DSH
Some Ducting Options
Installation – Ducting Options
Side wall cap
w/ gravity damper
Ductless
Recirculating
Roof Pitch w/
Flashing & Cap
Rear Ducting

8
www.zephyronline.com
Installation – 6SHFL¿FDWLRQV
top
side
back
8 9/16”
1 5/8”
1”
4 9/16”
6”
*8 1/8”
or
**10 3/8”
*9 1/2”
or
**14 3/16”
2”
*7 7/8”
or
**9 15/16”
* Single Blower Dimension
** Dual Blower Dimension
R 9/16”
29 7/8” (30”), 35 7/8” (36”)
41 7/8” (42”), 47 15/16” (48”)
3”
12”
11”
22 1/2”
37˚
C/L
9 7/8”
11/16”
7 3/8”
3 1/4”
4 1/16”
4 9/16” 1 1/4”
7 7/8”
rect. C/L
round C/L
4 9/16” 2 3/16”
2 3/16”
**15 5/16
”

9
ELECTRICAL
WARNING
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how and background.
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extension cord or adapter plug with this appliance.
Follow national electrical codes or prevailing local codes and ordinances.
Electrical Supply:
This appliance requires a 120V 60Hz electrical supply, and connected to an individual, properly grounded
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ground. Please also refer Electrical Diagram labeled on product.
Cable Lock:
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and codes, purchase and install appropriate connector if necessary.
Installation – Electrical
Cable Lock

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Installation – Mounting the Range Hood
For dual blower installation instructions please refer to
page 13.
If recirculating range hood refer to the manual
included with ZRC-07xxxB recirculating kit or on our
website prior to installing hood. Recirculating kit
compatible with 650cfm single internal blower only.
For Mounting Under a Kitchen Cabinet
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3. Reinforce cabinet with 1”x2” wood strips if additional
strengthening is required or if cabinets are framed.
4. Temporarily position the range hood in the desired
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holes, duct and electrical locations with a pencil.
NOTE: If using single internal blower a 8” round duct
opening is necessary. If using a dual internal blower,
please refer to page 14 for cut-out dimensions.
5. Drill/cut out the required openings for duct and
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enough to apply duct tape.
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provided.
7. Install electrical.
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For Mounting to a Wall
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3. Temporarily position the range hood in the desired
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holes, duct and electrical locations with a pencil.
4. Drill/cut out required openings.
5. Fasten hood onto wall with screws provided.
6. Install electrical.
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duct/silver
tape
5. Duct
opening
cutout
3. Add 1x2
wood strips
2. Baffle
filters
2. Baffle
filters

11
This range hood is equipped standard with a 8” round vertical duct option. To convert from 8” round vertical to 8”
round horizontal ducting or 3-1/4” x 10” rectangular horizontal ducting please following the instructions below.
NOTE: Horizontal ducting is only available for the single internal blower.
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VERTICAL TO HORIZONTAL DUCTING CONVERSION
1. Disconnect blower plug. 5HPRYHVFUHZVDWWRSRIKRRGERG\DWWDFKLQJ
blower to blower plate. Remove blower from
interior of hood body.
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attaching blower plate to hood body. Remove
blower plate.
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rear ducting or plate B only for 3 1/4” x 10”
rectangular rear ducting.
A
B
Installation – Horizontal Conversion

12
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5. Place blower inside hood as shown.  $WWDFKEORZHUWRKRRGERG\IURPWKHEDFNRI
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screws and reconnect blower plug.
7. Attach 8” round duct collar or 3 1/4”x10”
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8. From inside hood body, position top cover plate
to top of hood body. From outside hood body,
attach top cover plate to top of hood body using
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Installation – Horizontal Conversion

13
1. Disconnect blower plug.  5HPRYHVFUHZVDWWRSRIKRRGERG\DWWDFKLQJ
blower to single blower plate. Remove blower
from hood body.
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attaching single blower plate. Remove single
blower plate from hood body.
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removed from step 3.
Installation – PBD-1200A Dual Blower
This range hood is equipped standard with a single blower vertical duct option. To convert from single blower
vertical ducting to dual blower vertical ducting please following the instructions below.
PBD-1200A dual blower kit compatible only with AK7036BS, AK7042BS and AK7048BS models.
5. Install previously removed blower onto one side
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removed screws from step 2.
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screws.

14
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Installation – PBD-1200A Dual Blower
NOTE: To secure the 10” transition adapter to top of hood a cut out of 14 1/2” width x 10 1/2” depth will need
to be made in the cabinet bottom.
If internal cabinet dimensions prevent this size of a cut out then the 10” transition adapter may be mounted
to the cabinet bottom rather than the top of the hood. Cut out dimensions for this type of installation are
13 1/4” width x 6 1/4” depth.
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M3.5 x 8 screws.
8. Connect blower wire extrension cable from
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blower plugs.
7. Dual Blower screw mount locations.

15
Features & Controls – Touch Controls
Lights On/Dim/Off
5 Min Delay Off
Display (speed level, delay off, filter clean)
Adjust 6 Speed Levels
Blower On/Off
1. Blower On/Off
By pressing the blower is switched on and off. When switched on, the blower starts up on speed level 1.
ACT Verification
- Airflow Control Technology (ACT) allows the installer to set the maximum blower CFM to align with local codes and regulations.
- To verify the maximum blower CFM:
- With hood off, hold the button for 3-4 seconds. If number 6 displays = default max. CFM, if number 3 displays = max.
390 CFM, and if number 2 displays = max. 290 CFM.
2. Speed Selection
The 6 speed levels are selected by pressing to decrease and to increase speed levels. The display indicates levels
selected.
ACT Enabled Speed Selections
- When ACT is enabled, the number of blower speeds will be reduced as follows:
- 390 CFM = Maximum 3 speeds
- 290 CFM = Maximum 2 speeds
3. Delay Off
This feature is used for programmed shut down of blower 5 minutes after the function is activated. Press once, a dot flashes
in the lower right side of display indicating the function is on. The blower will completely shut down after 5 minutes.
4. Lights On/Dim/Off
Switch lights on by pressing once, press a second time to dim and again to shut off lights.
5. Display Window
The display window indicates speed levels and features such as baffle filter clean reminder, delay off and clean air indicator.

16
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Charcoal Filter Change Reminder (charcoal filter, if installed)
When your hood is installed as a recirculating unit, it is fitted with a set of charcoal filters to purify exhaust
and fumes from cooking, then re-circulates the air within the home. These charcoal filters are required to
be replaced after every 120 hours of use. The charcoal filters should never be cleaned or placed in a dish
washer.
The filter change reminder function in the microprocessor needs to be switched on. When switched on, the
microprocessor will elapse and count usage time and indicate by a flashing when charcoal filter
replacements are needed.
C
Setting the Filter Change Reminder
When off, hold for approximately 5 seconds.
The display will change from (exhaust mode) to
(recirculating mode) this indicates that the
elapse timer function is switched on and charcoal
filters are used.
Filter Replace Indicator
When the display starts flashing, the charcoal
filters need to be replaced.
Re-setting Function
Once filters are replaced, with hood off, press and
hold the display will appear; hold for apprimately
5 seconds until on displays disappears .
The filter change reminder is now re-set and a new
120 hour elapse cycle is initiated.
C
C
C
C
hold 5 sec. display from < - > to < C >
Set Mode
Set Mode
display < C > flashes
Change FIlters
C
hold 5 sec. display from < C > to < >
To Reset
C
Features & Controls – Touch Controls

Features & Controls – Touch Controls
17
Baffle Filter Clean Reminder
Aa set of baffle filters are fitted by the factory, these baffle filters are intended to filter out residue from
cooking. The filters need not be replaced on a regular basis but are required to be kept clean. The Baffle-
Filter Clean reminder function in the microprocessor will automatically indicate by a flashing when the
baffle filters need to be cleaned after every 30 hours of use. Filters can be cleaned by hand with non-
abrasive soap or in a dishwasher. Heavily soiled filters should also be soaked in grease cutting detergent
prior to cleaning.
Baffle Filter Clean Indicator
When flashes on the display, the baffle filters
needo be cleaned. This will occur after every 30
hours of use.
Reset the filter clean reminder timer after filters are
cleaned and re-installed. With hood off, press and
hold for approximately 5 seconds until on
display disappears . The filter clean reminder
function is now reset and a new 30 hours elapse
cycle is initiated.
FClean Filters
display < F > flashes
F
hold 5 sec. display from < F > to < >
To Reset
F
A
hold 3 sec. display from < A > to < >
To Disable
hold 3 sec.
To Enable
F
F
display < A > flashes
A
A 1 A 1
Clean Air Indicator
While Clean Air is active, the display will alternate
between , , , .
A
fter 10 minutes of Clean Air operation, the blower
will power off and the 4 hour timer will reset.
If the blower speed is changed while the Clean Air
Function is in use, the cycle will be interrupted and
the timer will reset after.
Clean Air Function
Clean Air is a feature that turns on the blower on low speed every 4 hours for 10 minutes to remove stagnant
air in the kitchen. The Clean Air function is disabled by default and must be enabled by the user.
and
and

18
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Features & Controls – Optional Remote Control
RF REMOTE MAINTENANCE:
Clean the remote control using non abrasive detergents
Follow instructions below for replacing battery.
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Remove the battery and replace with battery type A23 12V.
Negative end of battery should face the spring inside the remote.
Re-install battery door and recycle old battery.
R F R E M O T E F E A T U R E S :
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storage. The remote may be placed on any magnetic surface such as a
refrigerator or the Zephyr remote holder, FIG. 1. The remote holder can
be inserted into a standard electrical outlet for easy storage. Note: The
remote holder does not charge the RF remote.
Maximum remote control communication distance is 15 feet from the hood.
SYNCHRONIZATION: 7RFUHDWHDXQLTXHOLQNEHWZHHQ\RXUKRRGDQGUHPRWHFRQWUROSOHDVHIROORZWKHVHVWHSV
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RF REMOTE FUNCTIONS:
FIG. 1
FIG. 2
Blower On / Speed Selection
Press to power on blower and cycle through all six blower speeds.
Blower On / Power Off
By pressing , the blowers will power on at the last speed setting. Press
again and the entire hood will power off, including lights.
Delay Off
Lights On / Dim / Off
Switch lights On by pressing once, again to dim and again to switch Off.
Blower On/
Speed Selection 1
1
2
3
4
Blower On/
Power Off
2
5 Min Delay Off 3Lights On/Dim/Off
4
By pressing , the blower and lights will enter Delay Off mode. A dot will
appear in the lower right corner of the hood display indicating the function
is on. The blower will change to speed 1 and shut down after 5 minutes.
A
-
+
FCC Caution: To assure continued compliance, any changes or modifications not expressly approved by the party responsible for compli-
ance could void the user’s authority to operate this equipment. (Example - use only shielded interface cables when connecting to computer
or peripheral device. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions. (1) This device
may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause
undesired operation.
THE RF REMOVE CONTROL IS AN OPTIONAL
ACCESSORY NOT INCLUDED WITH THE HOOD AND
MUST BE PURCHASED SEPARATELY