Johnson Controls M9203-B Series - Mounting Orientations and Coupler Adjustment; CCW Spring Return; CW Powered Operation; CW Spring Return; CCW Powered Operation; Removable Coupler Installation

M9203-Bxx-2(Z) Series On/Off Electric Spring Return Actuators Installation Guide
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Counterclockwise (CCW) Spring Return Direction – Clockwise (CW) Powered Operation
For CCW spring return direction, mount the actuator to the damper shaft so that Side A of the actuator is away from
the damper as illustrated in Figure 2. With power applied, the actuator drives CW from the 0° position and spring
returns CCW.
Clockwise (CW) Spring Return Direction – Counterclockwise (CCW) Powered Operation
For CW spring return direction, mount the actuator to the damper shaft so that Side B of the actuator is away from
the damper as illustrated in Figure 3. With power applied, the actuator drives CCW from the 0° position and spring
returns CW.
Removable Coupler
If the damper shaft extends less than 3.31 in. (84 mm), mount the coupler on the face of the actuator closest to the
damper.
Figure 2: Actuator Side A
30
90
50
70
30
90
50
70
10
FIG:M9203_Bxx_A
Figure 3: Actuator Side B
90
70
10
50
30
FIG: M920 3_Bx x_B