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Please take note that this manual uses the following symbols to emphasize particular information:
⚠
WARNING
Identifies an instruction which, if not followed, might cause serious personal injuries
including possibility of death.
CAUTION
Denotes an instruction which, if not followed, may severely damage the unit and/or its
components.
💡
Indicates a supplementary information that may relate to optional parts or simply aim to
facilitate a task.
⚠
WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSON(S) OBSERVE THE
FOLLOWING:
1. Use this unit only in the manner intended by the manufacturer. If you have questions, contact the
manufacturer.
2. Before servicing or cleaning this unit, disconnect the power cord from the electrical outlet.
3. This unit is not designed to provide combustion and/or dilution air for fuel-burning appliances.
4. Do not use this unit with any solid-state speed control device.
5. Do not operate any fan with a damaged cord or plug. Discard fan or contact your HVAC contractor, or
the manufacturer.
6. Do not run cord under carpeting. Do not cover cord with throw rugs, runners or similar coverings. Do
not route cord under furniture or appliances. Arrange cord away from traffic area and where it will not
be tripped over.
7. Installation work must be done by qualified person(s) in accordance with all applicable codes and
standards, including fire-rated construction.
8. When cutting or drilling into a wall or ceiling, do not damage electrical wiring and other hidden utilities.
9. This unit must be grounded. The power supply cord has a 3-prong grounding plug for your personal
safety. It must be plugged into a mating 3-prong grounding receptacle, grounded in accordance with
the national electrical code and local codes and ordinances. Do not remove the ground prong. Do not
use an extension cord.
10. When servicing, cleaning or performing installation of this unit, it is recommended to wear safety
glasses and gloves.
11. When applicable local regulation 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 expenses.
12. The unit must be mounted at least 3.3 feet (1.0 meter) away from any accessible opening of the duct.
CAUTION
1. Please read specification label on product for further information and requirements.
2. Do not intake air into spaces within walls or ceiling or into attics, crawl spaces, or garage. Do not
attempt to recover the exhaust air from a dryer or a range hood.
3. Intended for residential installation only in accordance with the requirements of NFPA 90B.
4. When leaving the house for a long period of time (more than two weeks), a responsible person should
regularly check if the unit operates adequately.
5. At least once a year, the unit mechanical and electronic parts should be inspected by qualified service
personnel.
6. Since the electronic control system of the unit uses a microprocessor, it may not operate correctly
because of external noise or very short power failure. If this happens, unplug the unit and wait
approximately 10 seconds. Then, plug the unit in again.
7. Outdoor intake hood must be weather tight and comprise a bird screen.
8. Should you decide to dispose of this unit or of parts of it, do so in accordance with local laws and
regulation.
9. Some areas are prone to a higher frequency of lightning-induced power surges. Using a surge protector
device to protect units located in these areas is recommended.
