eControls R80DV User guide
Installer Manual
Model R80DV
Rev A Jan 2018
Direct Damper Controls
Modulating
The R80DV damper is a variable position damper
controlled by a manual wall control, MWC. The
damper is used to control airflow from a ceiling
diffuser, register or grill.
The A80VP actuator has been tested to over 9
million cycles and will provide years of quiet and
reliable operation.
Features
80 in-oz of torque
Green LED indicates fully open. Red LED
indicates fully closed.
24VAC, 2.6VA operating. 1VA holding.
Keyed shaft makes attaching actuator to damper
error free.
5/16-inch diameter, die cast shafts with nylon
bushings for quiet and reliable operation.
No internal gasket to restrict airflow.
5-Year Warranty.
Compatible Controls
Model MWC
Ordering Information
R80DV-10
R80DV-12
R80DV-14
Damper
Model #
10” Round, Direct Airflow Control Damper, Variable Position
12” Round, Direct Airflow Control Damper, Variable Position
14” Round, Direct Airflow Control Damper, Variable Position
Description
R80DV-08 8” Round, Direct Airflow Control Damper, Variable Position
R80DV-09 9” Round, Direct Airflow Control Damper, Variable Position
R80DV-07 7” Round, Direct Airflow Control Damper, Variable Position
R80DV-06 6” Round, Direct Airflow Control Damper, Variable Position
Model R80DV
AIRFLOW
MIN MAX
i
Ensure that the installation process does not alter the
damper in a way that will cause interference to the blade
moving freely.
CAUTIONS
Use cautions when mounting components to surfaces
that may have concealed wiring beneath the surface.
!
Read and follow all instructions carefully.
Follow all local electrical codes during installation. All
wiring must conform to local and national electrical
codes.
Read entire manual before installing products.
Caution! Direct Damper Controls are not an
alternative to zoning. Installing too many controls on
a single HVAC system could cause airflow and
pressure problems.
26072 Merit Circle #110 / Laguna Hills, CA 92653
949-916-0945, www.eControlsUSA.com
Limited 5-Year Warranty
The 5-year warranty is limited to the repair or replacement of
defective product due to parts failure or defective workmanship.
eControlseControls
A Manual Wall Control can control multiple R80DV Dampers
using the VP and GND terminals. Up to 6 R80DV Dampers can
be controlled by a single Manual Wall Control.
Wiring Multiple R80DV Dampers to
the MWC, Manual Wall Control
IMPORTANT! Only the +5V terminal on the first damper is
connected to the Manual Wall Control.
To 24VAC
Transformer
To 24VAC
Transformer
Model MWC
Manual Wall
Control
COM
Model A80-VP
24VAC
GND
VP
+5V
COM
Model A80-VP
24VAC
GND
VP
+5V
MIN MAX
AIRFLOW CONTROL
AIRFLOW
Red
White
Black
To 24VAC
Transformer
Model MWC
Manual Wall
Control
COM
Model A80-VP
24VAC
GND
VP
+5V MIN MAX
AIRFLOW CONTROL
AIRFLOW
Red
White
Black
The R80DV Damper and MWC Manual Wall Control are
connected using the GND, VP and +5V terminals.
Wiring R80DV Damper to the MWC,
Manual Wall Control
The R80DV Damper actuator has a Close position limit that can
be used to insure a minimum airflow even when the thermostat
tries to fully close the damper. The minimum Close position can
be set from about 50% closed to fully closed.
This should be used when a large number of R80DV Dampers
are used with the same HVAC system to insure that static
pressure does not damage the ducts.
Adjustable Close Limit
Set Screw
Cam Cover
Slide off the cam cover.
Loosen the set screw and
rotate the close cam counter
clockwise to the desired stop
position. Tighten the set screw
and replace the cam cover.
Close Cam
The damper requires
24VAC power that can
be provided by a 40VA,
24VAC transformer.
40VA transformer can
power 10 dampers. The
transformer can be a
plug-in type or a
transformer mounted on
a junction box in the
ceiling.
Wiring the Damper
To 24VAC
Transformer
COM
Model A80-VP
24VAC
GND
VP
+5V
This manual suits for next models
7
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