UL
®
Code and Standard Issues
In general, the administrative section of codes states that all mechanical and electrical systems
must be kept in working order and an individual section may state that all life safety devices
and systems must be operable. NFPA 80 (Fire) & NFPA 105 (Smoke) require periodic testing
and repair of dampers as soon as possible after any deficiency is uncovered. Required testing
is shown in the chart below.
Chapter 7 IBC & IFC "Containment” Dampers
Commissioning
End of first year
Every 4 years except in hospitals every 6 years
Chapter 9 IFC "Smoke Control System” Dampers
Dedicated Non-dedicated
Commissioning Commissioning
Semi-annually Annually
Fire detection & Smoke control systems
Weekly self-test Not required
Fire & smoke dampers are appliances and field replacement of components is required when
failure of any component occurs.
The Authority Having Jurisdiction (local Fire Marshal and/or Building Official) must be consulted
if any blade or auxiliary switches are employed and are connected to the fire alarm system or
to a Fire Fighters Smoke Control System (FSCS) panel. Retesting is required. A permit and
inspection may be required since connections to an alarm system have been touched.
In the “Marking & Application Guide, Dampers for Fire Barrier and Smoke Applications &
Ceiling Dampers” April 2013 by Underwriters Laboratories Inc.®, page 6 they state:
DAMPER ACTUATORS
“… field mounting or substitution of actuators is not covered within the scope of the UL
certification of the product. However, this does not necessarily preclude replacement of
actuators in the field. Like any appliance, field servicing of these products is not covered
under the scope of the UL certification and factory follow-up service program. As with any
part of the damper, it is expected that replacement of actuators in the field be done in
accordance with the damper manufacturer’s normal field servicing program.”
Air Balance Honeywell ML&MS Types to Belimo FSxx March 2018
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