Specifications

JOHNSON CONTROLS
3-6
FORM 102.20-N1 (1109)
Startup
Typical Actuators Locations
Johnson Controls standard actuators are direct coupled
on damper jackshaft.
Basic Actuators Installation
A basic procedure for installing Johnson Controls
actuators is included in Section 2"Installation".
Damper Blade Orientation
Return Air and Mixing Dampers with Power Off
Position the blades so that they will be open once the
actuator is installed. This will be the dampers spring
return position. Note whether the damper shaft is
rotated fully clockwise or counter clockwise.
Outside Air and Exhaust Air Dampers
Position the damper blades so that they will be closed
with power off. This will be the dampers spring return
position. Note whether the damper shaft is rotated
fully clockwise or counter clockwise.
With the actuator shaft clamp tightened to the damper
jackshaft, and the damper shaft is completely rotated
to its proper position, manually operate the actuator to
its fully actuated position using the crank arm provided
with the actuator. Then release the spring to allow the
damper to go back to its original position. This will
verify the actuators spring rotation and stroke.
Set the damper actuators rotation selector switch to the
proper rotation required to actuate the damper.
Damper actuator will always be op-
posite the spring return rotation.