10 Flexvent™ installation manual
UL CONDITIONS OF ACCEPTABILITY
The following are among the considerations to be made in judging the acceptability of the table assembly:
1. The Downdraft Table is to be used in conjunction with up to three Listed commercial cooking appliances.
See “COOKING APPLIANCE CONSTRAINTS” Ills. 1-6 for specific cooking appliances that can be used and
on which shelf height. Total electrical load does not exceed 50 A for all appliances combined (based on
contactor employed). Downdraft units are marked with these details including shelf height.
2. The acceptability of the installation of the downdraft table assembly shall be determined under end-product
application. The downdraft assembly shall be adequately enclosed to render inaccessible all or any parts
of the equipment that involve a risk of electric shock or injury to persons, and preclude propagation of
flame initiated by electrical disturbances occurring within. The assembly shall meet relevant end-product
requirements, including the enclosure, accessibility of uninsulated live and/or moving parts that may involve
a risk of electric shock and fire, and/or injury to persons, respectively, spacings and segregation, grounding,
polarization, and marking requirements under the end-product application.
3. In addition, the acceptability of the use of the downdraft table assembly shall be made in conjunction with
the end-product requirements specified in the Standard for Commercial Electric Cooking Appliances, UL
197, for UL Listing (UL).
4. The acceptability of the supporting/mounting means and securement of the downdraft table assembly shall
be determined under the end-product application.
5. The downdraft assembly terminations and wiring shall be suitable, protected from damage and sharp edges,
etc., and enclosed. In addition, any flexing or movement of the leads/wiring during normal operation or any
user servicing shall be investigated and determined to be acceptable.
6. The downdraft table assembly shall be provided with suitable grounding/bonding means under the end-
product application.
7. The following tests have been conducted in accordance with UL 710B on the covered downdraft table
with griddle assembly: Power Input (Rating), Normal Temperature (Normal), Dielectric Voltage-Withstand
(Dielectric Strength), Insulation Resistance, Grounding and Bonding, Stability, Strain Relief, Push-Back Relief.
Consideration shall be given to re-conducting any of the tests above with other end-product appliances.
8. In addition to the above, the following tests have been conducted in accordance with UL 710B on the cov-
ered downdraft table with griddle assembly and fryer and hot plate: Lower Airflow Determination, Capture,
Emissions (EPA 202), Fire Extinguishment (General), and Fire Extinguishment (Griddles). Consideration shall
be given to re-conducting any of the tests above with end-product griddle paying attention to Griddle Watt,
Griddle size, Griddle max temperature, and maximum food load and throughput.
9. The end-product report shall include a detailed description of the downdraft table including specific mark-
ings for applicable cooking appliances that may be used. Also includes the details for the cooking appliance
shelf height for each appliance.
10. The covered Downdraft table assembly component is intended to be factory installed only.
11. If legs/feet or casters are not provided as part of the Recognized Component table, the supporting means
should be evaluated in the end use and Stability Test should be considered.
