WARNING
CAUTION
NOTICE
WARNING
Do not use this unit with any solid-state speed control device. Solid state controls may cause harmonic
distortion which can cause a humming noise in the motor.
This product must be properly grounded.
To reduce the risk of injury, loss of life, electric shock, fire, malfunction, and damage to equipment or property,
always observe the following safety precautions.
The following symbols are used to classify and describe the type of instructions to be observed.
This symbol is used to alert users to a specific operating procedure that must not be performed.
This symbol is used to alert users to a specific operating procedure that must be followed in order to
operate the unit safely.
The following symbol word panels are used to classify and describe the level of hazard, injury, and property
damage caused when the denotation is disregarded and improper use is performed.
This symbol is used to alert users not to disassemble the equipment.
This symbol is used to alert users to make sure of grounding when using the equipment with the
grounding terminal.
IMPORTANT SAFETY INFORMATION
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY TO PERSONS, OBSERVE
THE FOLLOWING:
Use this unit only in the manner intended by the manufacturer. If you have any questions, contact the
manufacturer.
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.
Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicable
codes and standards, including fire-rated construction.
Sufficient air is needed for proper combustion and exhausting of gases through the flue (chimney) of fuel
burning equipment to prevent backdraft. 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.
When cutting or drilling into wall or ceiling, do not damage electrical wiring or other hidden utilities.
Ducted exhaust fans must always be vented to the outdoors.
If this unit is to be installed over a tub or shower, it must be marked as appropriate for the application and
be connected to a GFCI (Ground Fault Circuit Interrupter) protected branch circuit.
For your safety
Explanation of symbol word panels
Denotes a potential hazard that could result in serious injury or death.
Denotes a hazard that could result in minor injury.
Denotes a hazard that could result in property damage.
Do not use replacement parts that have not been recommended by the manufacturer (e.g. parts made at
home using 3D printer).
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