To register your product online or for additional information visit www.BestRangeHoods.com
SV08544 rev. 10
!
WARNING
!
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR
INJURY TO PERSONS, OBSERVE THE FOLLOWING:
1. Use this unit only in the manner intended by the manufacturer.
If you have questions, contact the manufacturer at the address
or telephone number listed in the warranty.
2. Before servicing or cleaning unit, switch power off at service
panel and lock 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.
3. Installation work and electrical wiring must be done by
qualified personnel in accordance with all applicable codes
and standards, including fire-rated construction codes and
standards.
4. Sufficient air is needed for proper combustion and exhausting
of gases through the flue (chimney) of fuel burning equipment
to prevent backdrafting. Follow the heating equipment
manufacturer’s guidelines 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.
5. When cutting or drilling into wall or ceiling, do not damage
electrical wiring and other hidden utilities.
6. Ducted fans must always be vented to the outdoors.
7. Do not use this unit with any solid-state speed control device.
8. To reduce the risk of fire, use only metal ductwork.
9. This unit must be grounded.
10. When applicable local regulations comprise more
restrictive installation and/or certification requirements,
the aforementioned requirements prevail on those of this
document and the installer agrees to conform to these at his
own expenses.
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 power pack ON when cooking at high heat or
c) Clean ventilating fans frequently. Grease should not be allowed
to accumulate on fan, filters or in exhaust ducts.
d) Use proper pan size. Always use cookware appropriate for the
size of the surface element.
TO REDUCE THE RISK OF INJURY TO PERSONS IN THE
EVENT OF A RANGE TOP GREASE FIRE, OBSERVE
THE FOLLOWING*:
1. 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.
2. NEVER PICK UP A FLAMING PAN — You may be burned.
3. DO NOT USE WATER, including wet dishcloths or towels —
This could cause a violent steam explosion.
4. Use an extinguisher ONLY if:
A. You own a Class ABC extinguisher and you know how to
operate it.
B. The fire is small and contained in the area where it started.
C. The fire department has been called.
D. You can fight the fire with your back to an exit.
* Based on “Kitchen Fire Safety Tips” published by NFPA.
CAUTION
1. For indoor use only.
2. For general ventilating use only. Do not use to exhaust
hazardous or explosive materials and vapors.
3. To avoid motor bearing damage and noisy and/or unbalanced
impellers, keep drywall spray, construction dust, etc. off power
unit.
4. Your power pack motor has a thermal overload which will
automatically shut off the motor if it becomes overheated. The
motor will restart when it cools down. If the motor continues to
shut off and restart, have the power pack serviced.
5. The minimum hood distance above cooktop must not be less
than 24”. A maximum of 30” above cooktop is recommended for
best capture of cooking impurities.
6. Two installers are recommended because of the large size and
weight of this unit.
7. To reduce the risk of fire and to properly exhaust air, be sure to
duct air outside — Do not exhaust air into spaces within walls
or ceiling or into attics, crawl space or garage.
8. This product is equipped with a thermostat which may start
blower automatically. To reduce the risk of injury and to prevent
power from being switched on accidentally, switch power off at
service panel and lock or tag service panel.
9. Because of the high exhausting capacity of this unit, you
should make sure enough air is entering the house to replace
exhausted air by opening a window close to or in the kitchen.
10. To reduce the risk of fire and electrical shock, the Best models
CP34, CP35 and CP37 Series should only be installed with
their own built-in blowers. Other blowers cannot be substituted.
11. Please read specification label on product for further
information and requirements.
2
- CP34, CP35 AND CP37 POWER PACK SYSTEMS -
M
ODEL 437
MODEL 634 OR 644
(ROOFCAP)
MODEL 643
(8” ROUNDWALLCAP)
(H
IGHCAPACITY
ROOFCAP)
ODEL 441
M
(10’’ R
WALLCAP)
OUND
CP34
POWER PACK*
HL0122
ADJUSTABLEELBOW
STANDARD
ADAPTER/DAMPER
8” ROUND (SUPPLIEDWITH
SINGLE
BLOWERPOWERPACKS)
8” ROUND
8” R
OUND
DUCT
SINGLEBLOWER (600 CFM)
SUPPLIEDWITH 30’’, 36’’ AND
42” WIDTHPOWERPAC KONLY
*300 CFM AIRFLOW REDUCER
INTEGRATEDON CP34 MODEL
CP35
POWER PACK
MODEL 418
(10” ROUND
ADJUSTABLEELBOW)
MODEL 410
(10” ROUNDDUCT
— 2 FT. SECTIONS)
CP37
POWER PACK
OUNDVERTICAL
10” R
IN-LINEDAMPER (SUPPLIEDWITH
DUALBLOWERPOWERPA CK )
10” ROUNDADAPTER
(SUPPLIEDWITHDUALBLOWER
POWERPAC K )
D
UALBLOWER (1200 CFM)
SUPPLIEDWITH 48” WIDTH
POWERPAC K ONLY
3
1. PREPARE INSTALLATION
!
!
”
WARNING
When performing installation, servicing or cleaning the unit, it is recommended to wear safety glasses and gloves.
NOTE: Before proceeding to the installation, check the contents of the box. If items are missing or damaged, contact the manufacturer.
Make sure that the following items are included:
- Power Pack
- Accessories: • Baffle filters:
CP34 and CP35: 3 for the 30’’ and 36’’ width models, 4 for the 42’’ width model
CP37: 5 for this 48’’ width model
• Baffle filters handles (taped inside the power pack):
CP34 and CP35: 3 for the 30’’ and 36’’ width models, 4 for the 42’’ width model
CP37: 5 for this 48’’ width model
• 2 Shielded halogen lamps (120 V, 50 W, MR16 with GU10 base or PAR16 with GU10 base)
• 8” Round adapter/damper (included with single blower power packs)
• 10” Round in-line vertical damper (included with dual blower power pack)
• 10” Round adapter (included with dual blower power pack)
• Bag of parts including: 1 wire clamp, 2 wire connectors, 4 no. 8 x 3/8” screws, 9 no. 8 x 1/2” chrome plated screws,
Parts sold separately:
Ducts, elbows, wall and roof caps. Refer to page 3 for a complete list of venting options and model numbers.
NOTE: During installation, protect countertop and/or cooktop.
10 no. 8-32 x 1/4” screws. If need be, discard extra screws.
2. INSTALL DUCTWORK AND ELECTRICAL WIRING
Plan where and how the ductwork will be installed. Access to the top of the hood is
Roof cap
preferred for connection of ductwork.
Install proper-sized ductwork, elbows and roof or wall cap for the type of blower you
are installing. If installing CP34 or CP35 power pack, use 8” round ductwork and if
installing CP37 power pack, use 10” round ductwork. Use 2” metal foil duct tape to
seal duct joints.
The minimum hood distance above cooktop must not be less than 24”. A
maximum of 30” above cooktop is recommended for best capture of cooking
impurities.
Distances over 30” are at the installer and users discretion.
Run 3-wire power supply cable to installation location. Its length should extend at least
4 feet below the bottom of the custom hood.
Wall
cap
HH0101A
ODELS CP34 & CP35 (SINGLEBLOWER)
M
OR CP37 (DUALBLOWER) TYPICAL DUCTWORK
8” round duct for CP34 & CP35
or 10” round duct for CP37
8” round elbow for CP34 & CP35
or 10” round elbow for CP37
10” in line
vertical damper for CP37
8” round adapter & damper
for CP34 & CP35 or
10” round adapter for CP37
Power pack
24” to 30”
above
cooking surface
3. CUSTOM HOOD PREPARATION
WARNING
When building a custom hood, always follow all applicable construction codes and standards.
The custom hood must be constructed to fit the size and shape of the CP34, CP35 or
the CP37 power pack models.
See chart and illustration for details.
POWER PACK
MODEL
CP34 AND CP3530”33 LB.195⁄16”287⁄16”47⁄8”
CP3748”56.5 LB.229⁄16”467⁄16”57⁄8”
WIDTH
TOTAL
WEIGHT
36”37.2
42”41.6 LB.195⁄16”407⁄16”47⁄8”
RANGEHOODDIMENSIONS
A*B*C
5
LB.19
⁄16”347⁄16”47⁄8”
* Dimensions A and B include rivets head.
4
3”
12”
HD0296A
REAR
B
FRONT
C
L
4½”
7/8
C
A
3. CUSTOM HOOD PREPARATION (CONT’D)
!
To minimize the gap around the power pack, take actual width and depth measurements
of power pack and add 1/16” to get D and E measurements. Cut the hole in the bottom
of the cabinet according to dimensions. See chart and illustration for details.
POWER PACK
MODEL
CP34 AND CP3530”193⁄8”28½”
CP3748”22
WIDTH
36”193⁄8”34½”
42”193⁄8”40½”
CUTOUT
DIMENSIONS
DE
5
⁄8”46½”
D
E
HD0367
4. MOUNT CUSTOM HOOD INTERNAL FRAMEWORK
WARNING
The framework must be positively secured to wall studs or other wooden framework behind the drywall. Make sure
it is capable of supporting its own weight and the weight of the CP34, CP35 or CP37. Failure to do so may cause
personal injury or damage to countertop or cooktop.
The CP34, CP35 and CP37 power pack models are supported by the custom hood
internal framework with screws provided in parts bag.
Since the CP34, CP35 and CP37 power pack models mounting holes are located in
front and rear sides (see illustration at right), plan to install wood frame at front and
sides for support.
5. REMOVE FILTERS
Remove tape on filters. Remove filters from power pack and set aside.
NOTE: It is recommended to start with the center one(s).
HH0102A
HD0295
5
6. REMOVE GREASE DRIP RAIL
A. Lift grease drip rail to disengage it from the bottom
panel.
B. Slide grease rail all the way to the left or right () and
lift the opposite end to disengage the other end from
the bottom panel (). Remove it from the power pack
and set aside for later use.
HD0291
7. REMOVE BOTTOM PANEL
Using a Phillips screwdriver, remove both bottom panel retaining
screws and set aside.
RETAININGSCREWLOCATIONS
HO0110
A
B
HD0292
Disassemble bottom panel from power pack and set aside.
HO0111
SIDEVIEW
8. REMOVE KNOCK-OUT OPENING
From inside the power pack, remove the wiring cover by removing 2 retaining screws and set
aside. Punch out the electrical knockout hole on top of the power pack. Install the wire clamp
(included in parts bag).
9. INSTALL ADAPTER/DAMPER (CP34 AND CP35 MODELS)
Using 4 no. 8 x 3/8” screws from parts bag, assemble the adapter/damper on the top of the power
pack. To ensure proper opening of the dampers, remove shipping tape if present. Seal all joints
with metal foil duct tape to eliminate air leaks.
HR0027
MOUNTINGSCREWLOCATIONS
HJ0016
6
10. INSTALL ADAPTER AND DAMPER (CP37 MODEL ONLY)
!
Using 2 no. 8 x 3/8” screws from parts bag, assemble the adapter on the top of the power pack.
Seal all joints with metal foil duct tape to eliminate air leaks.
Install 10” damper inside the VERTICAL ductwork that will be attached to power pack. Do not
install in a horizontal ductwork or it will not open and close properly. Remove shipping tape if
present. To optimize airflow and quiet sound, position the damper at least 17” above the top of the
CP37 power pack; or as far as the duct run will allow (see figure at right). Secure the damper to
the duct with 3 no. 8 sheet metal screws (not provided). Ensure damper opens and closes freely.
Seal all joints with metal foil duct tape to eliminate air leaks.
11. CONNECT WIRING
MOUNTINGSCREWLOCATIONS
HJ0026
17” min.
HJ0017A
WARNING
Risk of electric shock. Electrical wiring must be done by qualified personnel in accordance with all applicable
codes and standards. Before connecting wires, switch power off at service panel and lock service disconnecting
means to prevent power from being switched on accidentally.
Position the power pack below the installed custom hood. Insert the house wiring cable through the wire clamp previously installed in step 8.
Tighten the wire clamp to secure the cable.
Using the provided wire connectors, connect power pack wires to power cable into
wiring box.
Connect wires as follow: BLACK to BLACK, WHITE to WHITE and GREEN or bare
wire under ground screw. DO NOT FORGET TO CONNECT THE GROUND. Reinstall
wiring cover.
HE0059
7
12. REMOVE BLOWER(S)
In order to ease the power pack alignment with existing ductwork, unplug and disassemble the blower(s) from the power pack before
installing the custom hood.
Unplug the blower(s)
HE0085
CP34 AND CP35 MODELS
LEFTSIDEMOUNTING
SCREWSLOCATION
Using a 5/16” socket, remove all blower mounting
screws from the inner top of the power pack. Set
the screws aside.
RIGHTSIDE
MOUNTINGSCREWS
LOCATION
HD0269
Slide the blower to disengage its flange from the
retaining bracket. Set the blower aside.
HD0270
CP37 MODEL
For each blower, using a 5/16” socket, remove all blower mounting screws from the inner top of the
power pack front and rear brackets. Set the screws aside.
HD0282
BLOWERSFRONTBRACKET
BLOWERSREARBRACKET
HD0297
For each blower, slide it to disengage its flanges from the retaining brackets. Set the blowers aside.
8
HD0298
13. INSTALL POWER PACK
CAUTION
Take care not to kink ducting when installing the power pack.
Using provided no. 8 x 1/2” chrome plated screws, install the power pack inside the
custom hood. Start with 2 screws on front corners, then use 4 screws for sides and
use the remaining ones to finalize securing the front power pack. (See figure at right
for mounting screw specific locations.)
Make sure the adapter/damper (or the adapter) enters the ducting. When there is
access to the top of the power pack, seal connections with metal foil duct tape.
14. REINSTALL BLOWER(S)
CP34 AND CP35 MODELS
Slide the blower to engage its flange in the
retaining bracket.
HH0102A
HD0293
LEFTSIDEMOUNTING
SCREWLOCATIONS
Using a 5/16” socket, secure the blower to the
inner top of the power pack with all blower
mounting screws (previously removed in step 12).
HD0269
CP37 MODEL
For each blower, slide it to engage its flanges in both retaining brackets.
NOTE: Both blowers are identical and can be mounted on either side of the power pack.
RIGHTSIDE
MOUNTINGSCREW
LOCATION
HD0282
HD0298
For each blower, using a 5/16” socket, secure the blower to the inner top of the power pack through
the front and rear brackets with all blower mounting screws (previously removed in step 12).
9
BLOWERSFRONTBRACKET
BLOWERSREARBRACKET
HD0297
14. REINSTALL BLOWER(S) (CONT’D)
ALLMODELS
Plug the blower(s) in.
HE0085
15. REINSTALL BOTTOM PANEL
Lift the bottom panel and engage the power pack metal tabs in
bottom panel slots, as shown in details A and B below.
SIDEVIEW
AB
HO0112
16. REINSTALL GREASE DRIP RAIL
Secure the bottom panel to the power pack using its screws
previously removed in step 7.
RETAININGSCREWLOCATIONS
HO0110
A. Insert one end of grease rail in power pack side ()
while lifting the other end over the bottom panel
edge ().
B. Center the grease drip rail over the bottom panel
edge and flip it to snap in place.
HD0292
10
A
B
HD0291
17. REINSTALL BAFFLE FILTERS
!
CAUTION
Remove protective plastic film covering filters before installing them.
NOTE: Assemble the metal handles to the filters, using provided no. 8-32 x 1/4” screws, before installing them in the power pack.
It is recommended to install side filters first and finish with center one(s).
1
1. Insert one end of the filter into the upper channel
of the power pack.
2. Raise the other end toward the inside of power
pack and insert in the grease drip rail of the
power pack.
HD0299
2
18. LIGHT BULBS
This power pack requires shielded halogen lamps (120 V, 50 W, MR16 with GU10 base or PAR16 with GU10 base), included.
NOTE: Before using lamps, remove shipping tape on them (if present).
WARNING
Do not touch lamps during or soon after operation. Burns may occur. In order to prevent the risk of personal injury,
only install shielded halogen lamps. Also, never install a cool beam, a dichroic lamp, a lamp not suitable for use in
recessed luminaires or identified for use in enclosed fixtures.
1. Install the lamps by placing the bulb leads into their grooves in the socket.
2. Gently push upwards and turn clockwise until secure.
To remove lamps, gently push upwards and turn counterclockwise to disengage bulb leads
from their grooves.
NOTE: To ease removal of the bulbs, use a rubber dishwashing glove or use suction cup
tool available from Best. Contact Best Customer Service at 1-800-558-1711 to order
suction cup tool, part no. 99526707.
12
HO0090
11
19. USE AND CARE
Baffle Filters
The baffle filters should be cleaned frequently. Use a warm detergent solution. Wash more often if your cooking style generates greater
grease — like frying foods or wok cooking.
Remove baffle filters by pushing them towards the back of hood and rotating filters downward. Baffle filters are dishwasher safe. Allow filters
to dry completely before reinstalling them in the power pack.
Clean all-metal filters in the dishwasher using a non-phosphate detergent. Discoloration of the filter may occur if using phosphate detergent
or as a result of local water conditions — but this will not affect filter performance. This discoloration is not covered by the warranty.
Rotary Control Knobs
Can be removed for cleaning but first, loosen the set screw using a 1/16” hexagonal key (available at your local hardware store).
Grease Drip Rail
The grease drip rail should be cleaned frequently. Remove it from the power pack (see step 6 on page 5) and use a warm detergent
solution. As with the baffle filters, wash more often if your cooking style generates greater grease — like frying foods or wok cooking. Allow
grease drip rail to dry completely before reinstalling it in the power pack.
Blower(s) Cleaning
Remove the filters in order to access the blower(s). Vacuum blower(s) to clean. Do not immerse in water.
Hood cleaning
Stainless steel cleaning:
Do:
• Regularly wash with clean cloth or rag soaked with warm water
and mild soap or liquid dish detergent.
• Always clean in the direction of original polish lines.
• Always rinse well with clear water (2 or 3 times) after cleaning.
Wipe dry completely.
• You may also use a specialized household stainless steel
cleaner.
Don’t:
• Use any steel or stainless steel wool or any other scrapers to
remove stubborn dirt.
• Use any harsh or abrasive cleansers.
• Allow dirt to accumulate.
• Let plaster dust or any other construction residues reach the
power pack. During construction/renovation, cover the power
pack to make sure no dust sticks to stainless steel surface.
Avoid when choosing a detergent:
- Any cleaners that contain bleach will attack stainless steel.
- Any products containing: chloride, fluoride, iodide, bromide will deteriorate surfaces rapidly.
- Any combustible products used for cleaning such as acetone, alcohol, ether, benzol, etc., are highly explosive and should never be
used close to a range.
12
20. OPERATION
!
Always turn your hood on before you begin cooking to establish an air flow in the kitchen. Let the blower run for a few minutes to clear the
air after you turn off the range. This will help keep the whole kitchen cleaner and brighter.
1
2
3
HC0039
HC0038
1) HALOGENLIGHTKNOB
2) BLOWERSPEEDCONTROLKNOB
3) ON/OFF BLOWERSWITCH
COOKTOP LIGHTING (HALOGEN)
A rotary 3-position knob (1) controls the halogen lights (OFF - low intensity - high intensity).
BLOWER
The blower is operated using two controls.
Use the on/off rocker switch (3) to start and stop the blower. When turned on, the blower operates at the previous setting of the speed
control (2).
Turn the speed control knob counterclockwise to increase blower speed – clockwise to decrease speed.
HEAT SENTRY™
This hood is equipped with a Heat Sentry™ thermostat. This thermostat is a device that will turn on or speed up the blower if it senses
excessive heat above the cooking surface.
1) If blower is OFF - it turns blower ON to HIGH speed.
2) If blower is ON at a lower speed setting – it turns the blower up to HIGH speed.
1) HALOGENLIGHTKNOB
2) BLOWERSPEEDCONTROLKNOB
AB
WARNING
The HEAT SENTRY can start the blower during a range top fire or other excessive heat situations even if the hood
is turned off. In this case, it is impossible to turn the blower OFF with blower switch. If you must stop the blower,
do it from the main electrical panel.
When the temperature level drops to normal, the blower will return to its original setting.
13
21. WARRANTY
ONE-YEAR LIMITED WARRANTY
Broan-NuTone LLC (“Broan-NuTone”) warrants to the original consumer purchaser of its products that such products will be free
from defects in materials or workmanship for a period of one year from the date of original purchase. THERE ARE NO OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE.
During this one-year period, Broan-NuTone will, at its option, repair or replace, without charge, any product or part which is found to be
defective under normal use and service.
THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS, TUBES AND BULBS, FUSES, FILTERS, DUCTS,
ROOF CAPS, WALL CAPS AND OTHER ACCESSORIES FOR DUCTING. This warranty does not cover (a) normal maintenance and
service or (b) any products or parts which have been subject to misuse, negligence, accident, improper maintenance or repair (other
than by Broan-NuTone), faulty installation or installation contrary to recommended installation instructions.
The duration of any implied warranty is limited to the one-year period as specified for the express warranty. Some states or provinces
do not allow limitation on how long an implied warranty lasts, so the above limitation may not apply to you.
BROAN-NUTONE’S OBLIGATION TO REPAIR OR REPLACE, AT BROAN-NUTONE’S OPTION, SHALL BE THE PURCHASER’S
SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. BROAN-NUTONE SHALL NOT BE LIABLE FOR INCIDENTAL,
CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE.
Some states or provinces do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state or province to another.
Any modification performed on this product without the authorization of Broan-NuTone will void this warranty. This warranty supersedes
all prior warranties.
To qualify for warranty service, you must (a) notify Broan-NuTone at the address or telephone number stated below, (b) give the model
number and part identification and (c) describe the nature of any defect in the product or part. At the time of requesting warranty service,
you must present evidence of the original purchase date.
®
Best
, 926 W. State Street, Hartford, WI 53027 (1-800-558-1711)
www.bestrangehoods.com
14
22. WIRING DIAGRAM
!
WARNING
Risk of electrical shock. Electrical wiring must be done by qualified personnel in accordance with all applicable
codes and standards. Before connecting wires, switch power off at service panel and lock service disconnecting
means to prevent power from being switched on accidentally.
NEUTRAL
GROUND
120 V AC
LINE
BLK
COLOR CODE
BLK BLACK
BLU BLUE
BRN BROWN
RED RED
WHT WHITE
YEL YELLOW
HE0092A
BLK
BLK
LAMP
SWITCH
L 1
FAN
SWITCH
BLU
WHT
2
SPEED
CONTROL
THERMOSTAT
YEL
LAMP
HS
YEL
WHT
WHT
BLU
LAMP
WHT
BLK
BLK
WHT
WHT
BLU
BLU
BLU
BLU
BRN
BLU
RED
BLK
BRN
BLU
RED
BLK
M
M
15
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