Best MD6T Installation Guide

INJURY TO PERSONS, OBSERVE THE FOLLOWING:
1.  Installation work and electrical wiring must be done by a qualified

person(s) in accordance with all applicable codes and standards,

including fire-rated construction codes and standards.

2.  Do not use the unit in conjunction with any exhaust device other

than compatible BEST or Broan range hoods.

3.  This  unit  is  not  designed  to  provide  combustion  air  for  fuel-

burning appliances.

4.  Do not connect the unit directly to a combustion appliance of

any type.

5.  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 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.

6.  Before  servicing  or  cleaning  unit,  switch  power  off  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.

7.  When performing installation, servicing or cleaning the unit, it is

recommended to wear safety glasses and gloves.

8.  During extreme weather events including snow storms, ensure

that the intake area for the outside air duct is not blocked and

able  to  provide  a  clear  pathway  for  outside  air  to  enter  the

system.

9.  When  cutting  or  drilling  into  wall  or  ceiling,  do  not  damage

electrical wiring or other hidden utilities.

10. When notching or drilling into framing including floor supports,

rim joists, and wall studs, comply with code and manufacturer

limitations  on  allowable  modifications  to  these  structural

members.

11.  This unit is intended to be installed within the home in a location

protected from moisture.

12. This  unit  must  be  in  an  accessible  location  which  allows  for

inspection of the unit.

13. 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 this document.

14. When  federal,  provincial  or  state  legislation  comprises  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 expense.

1.  Do not locate outside air inlet near hazardous materials or explosives.
2.  Unit shall not be installed to introduce air from crawlspaces, garages,

attics, adjacent dwelling units, or other locations within the building

shell. Unit shall be installed to introduce air directly from outdoors.

3.  Do not run the outside air duct directly above or closer than 2 ft to

any  furnace  or  its  supply  plenum,  boiler,  or  other  heat  producing

appliance.

4.  Any ductwork used in conjunction with the Damper must be installed

in compliance with all local and national codes that are applicable.

5.  Do not operate the Damper for fresh air introduction until all system

filters, including the central duct system filter, have been installed per

the system design.

6.  Please  read  the  unit  specification  label  on  the  product  for  further

information and requirements.

7.  The Damper’s outdoor air intake, ducting, and any filters should be

inspected and maintained on a regular basis.

8.  Insulate the duct and damper to prevent build-up of condensation in

cold weather climates. Vapor barriers on both sides of insulation are

recommended.

To register this product

visit: www.broan.com

BROAN-NUTONE ONE YEAR LIMITED WARRANTY

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 AND TUBES. 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 an implied warranty is limited to the one-year period as specified for the express 

warranty. Some states 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 do not allow the exclusion or limitation of incidental or consequential damages, so 

the above limitation 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. This warranty supersedes all prior warranties.
To qualify for warranty service, you must (a) notify Broan-NuTone at the address or telephone 

number 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.
Broan-NuTone LLC    Hartford, Wisconsin    www.broan.com    800-558-1711