Submittal Sheet

TRAVEL LIMIT
50% 75% 100%
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MODEL
MOTOR
MA-RSD
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Forced Air Zone Controls
SUBMITTAL SHEET
385 Hwy. 33 Englishtown, NJ 07726
Ph: 800-446-3110 - Fx: 732-446-5362
CONTROLS INC.
Excellence Without Compromise
P/N 090377A0132 REV. B Copyright © EWC Controls 2007 All Rights Reserved
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Model ND-RSD is a rectangular parallel blade damper constructed from heavy duty
extruded aluminum with nylon bearings for quiet operation. The Motor Actuator is a 24
VAC Synchronous motor that draws 6 watts / 8 VA. It is Power Closed / Spring Open
(standard). The damper can be ordered as Power Open / Spring Close. The Model
ND-RSD can not be field-reversed. The Model ND-RSD also has a Travel Limiter to
allow Supply Air leakage. See reverse for Wiring Solutions.
Model ND-RSD
Rectangular Spring-Return Damper
Listed Size Less 3/16
DIMENSIONAL DRAWINGS
Listed Size Less 3/16
4"
6"
TRAVEL LIMIT
50% 75% 100%
TRAVEL LIMIT ADJUSTMENT
-LOOSEN BOLT
-SLIDE BOLT TO DESIRED LOCATION
-TIGHTEN BOLT