PROCESS #9-1238 Rev 2 April/2021 Best Products. | Best Performance. | Best Protection. Page 3 of 10
NuAire, Inc. | 2100 Fernbrook Lane | Plymouth, MN 55447 | U.S.A | ph: 763.553.1270 | fx: 763.553.0459 | tf: 800.328.3352 |
1. ASHRAE 110-2016: Consists of the following individual tests, "as manufactured":
Tracer Gas:
A tracer gas is introduced 6 inches behind the sash at a rate of 4 liters per minute. A sensor
located outside the work zone monitors for gas leakage from the hood face. The "Personnel
Protection Factor" shall be less than 4.0 AM at less than 0.1 PPM, in the center, right and
left sides of the work access opening.
Face Velocity: Measured velocity shall fall within design.
Smoke Patterns: A smoke source is passed around the periphery of the access opening. No
reverse flow or refluxing shall occur.
Saturation Smoke Test: Release of a large volume of smoke shall result in total
2. SEFA 5th Edition Desk Reference: Consists of the following tests, usually conducted in the field
to verify "as installed performance" performance:
Face Velocity (sash fully open):
Using a suitable velocimeter, determine that face velocity meets the design requirements.
Airflow Smoke Patterns (sash fully open):
A source of smoke is passed around the exterior/interior of the work access-opening
periphery along with an interior smoke candle. No reverse flow, refluxing, or escape shall
be observed.
D. Field Testing: Each cabinet shall be subjected to field certification per aufaturer’s procedures and
performance criteria, after the cabinets are completely installed and all exhaust/supply systems fully
operational and balanced as intended. The field tests shall be conducted by an independent certifying
agency, selected by the manufacturer, and approved by the Owner, at no expense to the Owner. The
Owner or his representative may witness the tests. In the event that cabinets cannot be certified, a
detailed report shall be prepared outlining deficiencies.
E. Training: After the equipment has been accepted and is fully operational as intended, the manufacturer
shall coordinate with the Owner for training on the proper operation, adjustment, and maintenance of
the equipment at no expense to the Owner. A maximum of two, four-hour training sessions shall be
1.07 Warranty
A. Provide a written warranty that work shall be free from defects in materials (structural failure, warping
and finish integrity) and workmanship for a period of 1 year from the date of acceptance or Substantial
Completion whichever is later.
Stipulate that defects that develop within the warranty period shall be removed, repaired, and replaced
at no additional cost to the Owner.
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