Zephyr AK7500BS Installation guide

Use, Care, and Installation Guide
www.zephyronline.com
Model number:
Serial Number:
Date of Purchase:
Sales Dealer:
JUN15.0301 © 2015 Zephyr Ventilation LLC.
Tempest II
AK7500BS
AK7536BS
AK7542BS
AK7548BS
READ AND SAVE THESE INSTRUCTIONS

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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HI¿FLHQF\IRUVLQJOHLQWHUQDOEORZHUDQG´URXQG
duct for dual internal 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.
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KRRGV
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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´URXQGPLQLPXPGXDOLQWHUQDOEORZHU
Horizontal Ducting:
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´[´PLQLPXPVLQJOHLQWHUQDOEORZHU
´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.
 ,IWKHXQLWLVGDPDJHGE\WKHFXVWRPHUUHSDLU
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”)
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”)
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”)
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.
 &KRRVHGHVLUHGKHLJKWDERYHFRRNLQJVXUIDFH´PLQ/HYHO
DQGPDUNKRRGERWWRPOLQH$),*
 /HYHODQGPDUNWRSRIZRRGERDUGOLQH%),*´IURP
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”
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
KRRGVSHFL¿FDWLRQVRQSDJHIRUGLPHQVLRQV
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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
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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
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wire extension cable to new blower and connect
plugs from each blower to female plugs behind
switch panel.

14
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5. Knock out plate A for dual blower horizontal
ducting. 6. Position dual blower inside hood body. Attach by
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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
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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.