Ultra-Zone™ 8X20 ND-L

Ultra-Zone™ ND 8X20 LESS MTR

ND 8X20 LESS MTR

Ultra-Zone™ 8X20 ND-L Motorized Zone Damper Without Motor, 8 x 20 in Damper, 24 VAC, 50/60 Hz, Domestic

  • Brand Name: Ultra-Zone™
  • MPN: 8X20 ND-L
  • ASPN: ND 8X20 LESS MTR

The ND series of Ultra-Zone dampers was designed with the installer and homeowner in mind. This damper is easy to install and easy to checkout. The LED display allows the installer to visually check the damper operation. With a sturdier frame, the damper installs in the duct much faster and easier and the nylon bushings insure quieter operation. This is a feature that homeowners will never hear about! quieter operation and a longer life motor equals NO call backs. The motor for the nd damper is driven by 17 in-lb of torque, possesses a manual gear release, 3 wire power-open/power closed operation and fail-safe LED's for quick diagnostic checks. The motor is UL listed and NEMA Class 2 certified. The easy access, quick connecting terminal block eliminates the need for wire nuts and allows for trouble free use. The nd damper has a 97% leak proof rating. Overlapping blades and a strong positive off motor insures accurate control of all zones. The ND dampers combined with the Ultra-Zone zoning system provides the most comfortable and reliable system in the industry. The ND is available in 8 x 6 in thru 30 x 30 in in even inch increments. The motor will be mounted on the second dimension when ordered. For example, a 16 x 8 in damper will have the motor mounted on the 8 in dimension, while an 8 x 16 in will have the motor mounted on the 16 in dimension. This will alleviate the confusion between side mount and bottom mount dampers.

Ultra-Zone™ Motorized Zone Damper, Series: ND Series, 24 VAC, 50/60 Hz, 8 x 20 in Damper, Terminal Block, Rectangular, Bottom Mount, Aluminum, Domestic

  • pdf
    Data/Spec Sheet
    https://www.auersteel.com//ASSETS/DOCUMENTS/ITEMS/EN/Ultra_Zone_20X10_ND_L_Datasheet.pdf
  • The ND damper is constructed using heavy duty 0.8 in extruded aluminum
  • Glass filled nylon bearings for quiet, maintenance free operation
  • Overlapping parallel blade design insures low leakage
  • Designed to operate at static pressures up to 1.5 in w.c
  • Anti-Rotation Bolt is 1/2 in L and has a no 10-32 Thread
  • Use with BM and BMPlus control pane

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