Zephyr Essentials ACT Tempest II AK7500BS Installation guide

Use, Care, and Installation Guide
www.zephyronline.com
Model number:
Serial Number:
OCT16.0401 © Zephyr Ventilation LLC.
Tempest II
AK7500BS
AK7536BS
AK7542BS
AK7548BS
AK7554BS
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
Single Blower Horizontal Ducting Conversion 11-12
PBD-1200A Dual Blower Vertical Ducting........ 13
PBD-1200A Dual Blower Horizontal Ducting... 14
FEATURES & CONTROLS
Touch Controls............................................................. 15-17
Optional Remote Control......................................... 18
MAINTENANCE
Cleaning and Filter Removal.................................. 19
Lights................................................................................ 20
TROUBLESHOOTING................................................................ 21
WIRING DIAGRAMS................................................................... 22
FAN CURVE DIAGRAMS......................................................... 23-24
LIST OF PARTS AND ACCESSORIES.............................. 25
WARRANTY.................................................................................... 26
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 WITHANY 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.
b. Before servicing or cleaning unit, switch power off at service panel and lock panel 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
TO REDUCE THE RISK OF 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.
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d. Use proper pan size. Always use cookware appropriate for the size of the surface element.
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f. Use high setting on hood only when necessary.
g. Don’t leave hood unattended when cooking.
h. Always use cookware and utensils appropriate for the type of and amount of food being prepared.
WARNING
TO REDUCE THE RISK OF INJURY TO PERSONS IN THE EVENT OF ARANGE TOP FIRE, OBSERVE THE FOLLOWING:
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b. NEVER PICK UPA 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.
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WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:
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,QFOXGLQJ¿UHUDWHGFRQVWUXFWLRQ
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back-drafting. Follow the heating equipment manufacturer’s guideline and safety standards such as those published by the National
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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.
f. Make sure the power is off before installing, wiring or maintenancing.

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.
OPERATION
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and loose clothing.
The manufacturer declines all responsibility in the event of failure to observe the instructions given here for installation,
maintenance and suitable use of the product. The manufacturer further declines all responsibility for injury due to
negligence and the warranty of the unit automatically expires due to improper maintenance.
*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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ground path is adequate.
Do not ground to a gas pipe.
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Do not have a fuse in the neutral or ground circuit.
*National Fire Protection Association Batterymarch Park, Quincy, Massachusetts 02269
** 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 ampere circuit breaker or time delay fuse. Wiring must be 2 wire with ground. Please also refer to
Electrical Diagram on product.
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and install appropriate connector if necessary.

4
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MODELS: AK7500BS, AK7536BS, AK7542BS, AK7548BS, AK7554BS
PARTS SUPPLIED
1 - Hood
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2 - Halogen light bulbs, 4 for AK7548BS & AK7554BS
´URXQGVWDUWLQJFROODUfor single blower ducting
5HFWDQJXODUVWDUWLQJFROODUfor single blower horizontal ducting
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1 - Hardware package
HARDWARE PACKAGE CONTENTS
PARTS NOT SUPPLIED
- Ducting, conduit and all installation tools
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- Duct Cover Accessory
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Light Bulb Removal
Suction Cup (1)
M6 x 1” (4)
M6 x 1-1/2” (4)
M6 x 2” (4)
M3.5 x 8 (8) Wire Caps (3) 3/16 x 3/8 (4)
AK7500BS - 27” x 1/2” x 4”
AK7536BS - 33” x 1/2” x 4”
AK7542BS - 39” x 1/2” x 4”
AK7548BS - 45” x 1/2” x 4”
AK7554BS - 51” x 1/2” x 4”
List of Materials

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
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DUCTING
A minimum of 8” round or 3-1/4” x 10” rectangular
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duct for dual internal blower.
Always use rigid type metal ducts only. Flexible
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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.
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
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mounted too high will be hard to reach and will
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If available, also refer range manufacturer’s height
clearance requirements and recommended hood
mounting height above range.
Vertical Ducting:
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Horizontal Ducting:
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´URXQGPLQLPXPGXDOLQWHUQDOEORZHU
DAMAGE-SHIPMENT / INSTALLATION:
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installation.
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unit to the store in which it was bought for
repair or replacement.
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or replacement is the responsibility of the
customer.
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WKDQWKHFXVWRPHUUHSDLURIUHSODFHPHQWPXVW
be made by arrangement between customer
and installer.
36”
26” min.
36” max.

7
WARNING FIRE HAZARD
NEVER exhaust air or terminate duct work into spaces between walls, crawl spaces, ceiling, attics or garages.
All exhaust must be ducted to the outside.
Use metal ductwork only.
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Some Ducting Options
Installation – Ducting Options
Soffit or crawl space
Roof Pitch w/
Flashing & Cap
Rear Ducting
Side wall cap
w/ gravity damper

8
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Installation – 6SHFL¿FDWLRQV
Top View Side View
Back View
Ducting & Electrical Dimensions
12”
24”
4”
18”
8 9/16”
1 3/4”
1 1/16”
11 9/16”
6”
**7 7/8”
or
***10 3/8”
**9 1/2”
or
***14 3/16” 2 3/4”
**7 7/8”
or
***9 15/16” R 9/16”
**7 7/8”
or
***10 3/8”
**1 15/16”
or
***4 5/16”
11 9/16”
10 3/4”
*3 3/16”
**7 7/8“
***10 3/8”
*9 7/8”
**9 1/2”
***14 3/16”
**7 7/8”
or
***9 15/16”
* Single Blower Rect. Ducting Dimension
** Single Blower Round Ducting Dimension
*** Dual Blower Dimension
1 11/16”
29 7/8” (30”)
35 7/8” (36”)
41 7/8“ (42”)
47 7/8” (48”)
53 7/8” (54”)
C/L
C/L
Back View
Mounting Dimensions
16 7/8”
16 1/8”
13 5/8”
1 11/16”
3 5/16”
21 1/4”
27 3/8” (36“ & 42”), 35 1/4” (48” & 54”)
5 5/16”

9
ELECTRICAL
WARNING
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how and background.
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.
Electrical Supply:
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 Electrical Diagram labeled on product.
Cable Lock:
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and codes, purchase and install appropriate connector if necessary.
Installation – Electrical
Cable Lock

10
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C/L
C/L
A
B
16 7/8”
min
26”
4”
wood board
FIG. 1
16 7/8”
16 1/8”
13 5/8”
1 11/16”
3 5/16”
21 1/4”
27 3/8” (36“ & 42”), 35 1/4” (48” & 54”)
5 5/16”
FIG. 2
Installation – Mounting the Range Hood
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prepare hood. Refer to page 11 for single blower horizontal
ducting, page 13 for dual blower vertical ducting or page 14 for
dual blower horizontal ducting.
2. Plum and mark center line on wall.
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DQGPDUNKRRGERWWRPOLQH$),*
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line A.
5. Mark center line of wood board. Center and align top of board with
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Wood Board Dimensions:['[+
AK7500BS - 27” x 1/2” x 4”
AK7536BS - 33” x 1/2” x 4”
AK7542BS - 39” x 1/2” x 4”
AK7548BS - 45” x 1/2” x 4”
AK7554BS - 51” x 1/2” x 4”
6. Prepare duct pipe and duct cut outs in upper cabinet if needed or
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page 8 for dimensions.
7. Prepare electrical wiring and electrical cut outs in upper cabinet if
needed or wall if horizontal electrical hook up is required. Refer to
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screws.
9. Further secure hood onto wall through lower body screw holes by
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10. Install electrical.
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12. Power up hood and check for leaks around duct tape.
,QVWDOOEDIÀH¿OWHUV
CAUTION: At least two installers are required
due to the weight and size of the hood.
!
WARNING: Electrical wiring must be done by a qualified person(s) in
accordance with all applicable codes and standards. This range hood must be
properly grounded. Turn off electrical power at service entrance before wiring.
!

11
1. Disconnect blower plug.  5HPRYHVFUHZVIURPLQWHULRURIKRRGERG\
attaching single blower plate to top of hood
body. Remove single blower and single blower
plate.
3. Knock out rear plate B for rear rectangular rear
ducting or plate C for 8 inch round rear ducting.
C
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.
VERTICAL TO HORIZONTAL DUCTING CONVERSION
Installation – Single Blower Horizontal Ducting Conversion
B
 5HPRYHVFUHZVDWWDFKLQJEORZHUWREORZHU
plate. Turn blower 180 degrees and reattach to
blower plate.

12
www.zephyronline.com
6. Attach 8” round duct collar or 3 1/4”x10”
rectangular duct collar to back of hood body
XVLQJ0[VFUHZV
7. 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
[VFUHZV
8. Connect blower plug.
Installation – Single Blower Horizontal Ducting Conversion
5. Position single blower with single blower plate
as shown. Be sure to tuck back of single blower
plate into tabs at back of hood. Secure single
EORZHUSODWHWREDFNRIKRRGXVLQJVFUHZV
removed from step 2.

13
Installation – PBD-1200A Dual Blower Vertical Ducting
1. Disconnect blower plug.  5HPRYHVFUHZVIURPLQWHULRURIKRRGERG\
attaching single blower plate to top of hood
body. Remove single blower and single blower
plate.
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single blower plate.  $WWDFKVLQJOHEORZHUWRGXDOEORZHUSODWHE\
previously removed screws from step 3.
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.
5. Position dual blower inside hood body as
shown. Be sure to tuck dual blower plate into
EORZHUSODWHWDEV6HFXUHGXDOEORZHUE\
screws previously removed from step 2.
6. Attach 10” round blower collar to top of hood
ERG\E\0[VFUHZV&RQQHFWEORZHU
wire extension cable to new blower and connect
plugs from each blower to female plugs behind
switch panel.

14
www.zephyronline.com
5. Knock out plate A for dual blower horizontal
ducting. 6. Position dual blower inside hood body. Attach by
VFUHZVSUHYLRXVO\UHPRYHGIURPVWHS
7. From inside hood body, position top cover plate
to top of hood body. From outisde hood body,
attach top cover plate to top of hood body using
[VFUHZV
8. Attach 10 inch round blower collar to back of
KRRGXVLQJ0[VFUHZV&RQQHFWEORZHU
wire extension cable to new blower and connect
both plugs from each blower to female plugs
behind switch panel.
A
Installation – PBD-1200A Dual Blower Horizontal Ducting
Follow Steps 1 through 4 on page 13, then continue PBD-1200A horiztantal ducting installation by following the
steps below.

15
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.
Features & Controls – Touch Controls

16
www.zephyronline.com
Features & Controls – Touch Controls
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

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
Features & Controls – Touch Controls

18
www.zephyronline.com
RF REMOTE MAINTENANCE:
Clean the remote control using non abrasive detergents
Follow instructions below for replacing battery.
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GRRUALQRUGHUWRDFFHVVWKHEDWWHU\FRPSDUWPHQW),*
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.
RF REMOTE FEATURES:
The RF remote control is equipped with a magnet on the back for easy
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: To create a unique link between your hood and remote control please follow these steps:
1. With hood off, press and hold the “lights” button on the hood until the letter “F” shows on the display screen.
2. Press the “lights” button on the remote, the lights on the hood will turn on and synchronization is complete.
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
Features & Controls – Optional Remote Control