Provide make up air for proper ventilation.
Do not install the unit where ducts are configured as shown in below.
Bend close to duct adaptor
Squeezed ductSuccessive bendingExcessive bending
Adaptor
Do not connect multiple units in parallel. If two or more units are connected to one switch in
parallel, the units may not function.
GENERAL SAFETY INFORMATION CONTINUED
CAUTION
Make sure that the electric service supply voltage is AC 120 V, 60 Hz.
This product is not to be installed in a ceiling thermally insulated to a value greater than R60.
Do not disassemble the unit for reconstruction. It may cause fire or electric shock.
The ceiling joist must be able to withstand a static load of at least five times the weight of the
product.
If this product is no longer to be used, it must be removed from the ceiling to prevent it from
falling.
Do not install with a method which is not approved in the instructions.
Do not install this ventilating fan in a location where the interior room temperature may
exceed 104 °F (40 °C).
This product must be properly grounded.
Do not use this fan with any solid-state speed control device. Solid state controls may cause
harmonic distortion which can cause a humming noise in the motor.
Follow all local electrical and safety codes, as well as the National Electrical Code (NEC) and
the Occupational Safety and Health Administration (OSHA).
Always disconnect the power source before working on or near the fan, motor or junction box.
Protect the supply wiring from sharp edges, oil, grease, hot surfaces, chemicals or other
objects.
Do not kink the supply wiring.
Not for use in cooking area. (Fig. A)
The special-purpose or dedicated parts, such as mounting
fixtures, must be used if such parts are provided.
For general ventilating use only. Do not use to exhaust hazardous
or explosive materials and vapors.
Floor
45
°
4
5°
Cooking
equipment
Fig. A
(Cooking area)
Do not install above or
inside this area
3
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