Johnson Controls EDA-8102 Installation Sheet page 10

Current Mode
Calibration
EDA-8102 Electric Damper Actuator
Figure 12: Current Mode Connection
1. Verify that jumper W2 is set to the current (I) position.
2. Turn the span potentiometer (R35) fully clockwise.
3. Connect the input current (0 to 20 mA) to terminals AUXIN (+) on
TB2 and COM (-) on TB1.
4. Apply the starting current.
5. Adjust the offset potentiometer (R39) until the actuator just begins to
move.
6. Apply full current.
7. Adjust the span potentiometer (R35) until the actuator reaches its
desired limit.
8. Remove external connections and install the cover.
Common
TB1
TB2
I
W2
V
Span
Stroke
(R35) CCW
(R37)
(R36)
0 to 20 mA
Input
Offset
(R39)