Product Overview
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8. Short actuator terminal X to 3 and the actuator should rotate CCW to its limit.
If the unit passes steps 7 and 8, the actuator is good and CP-8301-xxx is defective. If the 
unit does not pass steps 7 and 8, the actuator is defective and the CP-8301-xxx may be 
good.
CP-8301-024, Vdc Interface with 24 Vac Actuators 
Refer to Figure-17.
1. Disconnect field wiring from Red, Yellow, and Blue leads of CP-8301-xxx.
2. Apply 24 Vac power to terminals H and G of the actuator.
3. Short the Yellow and Red leads of CP-8301-xxx and the actuator should rotate CW to 
its limit, unless rewired to rotate CCW on an increase in input signal.
4. Short the Yellow and Blue leads of CP-8301-xxx and the actuator should rotate CCW to 
its limit, unless rewired to rotate CCW on an increase in input signal.
5. If the unit passes steps 3 and 4, the actuator and the CP-8301-xxx are good. If the unit 
does not pass steps 3 and 4, proceed to step 6.
6. Unhook the CP-8301-xxx leads from actuator terminals X, 2, and 3.
7. Short actuator terminal X to 2 and the actuator should rotate CW to its limit.
8. Short actuator terminal X to 3 and the actuator should rotate CCW to its limit.
If the unit passes steps 7 and 8, the actuator is good and CP-8301-xxx is defective. If the 
unit does not pass steps 7 and 8, the actuator is defective and the CP-8301-xxx may be 
good.
CP-8301-120 and CP-8301-240, Vdc Interface with Line Voltage Actuators 
with Internal Transformer 
Refer to Figure-18.
1. Disconnect field wiring from Red, Yellow, and Blue leads of CP-8301-xxx.
2. Apply AC power to terminals L1 and L2 of the actuator.
3. Short the Yellow and Red leads of CP-8301-xxx and the actuator should rotate CW to 
its limit, unless rewired to rotate CCW on an increase in input signal.
4. Short the Yellow and Blue leads of CP-8301-xxx and the actuator should rotate CCW to 
its limit, unless rewired to rotate CCW on an increase in input signal.
5. If the unit passes steps 3 and 4, the actuator and the CP-8301-xxx are good. If the unit 
does not pass steps 3 and 4, proceed to step 6.
6. Unhook the CP-8301-xxx leads from actuator terminals X, 2, and 3.
7. Short actuator terminal X to 2 and the actuator should rotate CW to its limit.
8. Short actuator terminal X to 3 and the actuator should rotate CCW to its limit.
If the unit passes steps 7 and 8, the actuator is good and CP-8301-xxx is defective. If the 
unit does not pass steps 7 and 8, the actuator is defective and the CP-8301-xxx may be 
good.
CP-8391-xxx Series mAdc Interface 
Refer to Figure-19 through Figure-23.
1. Unhook the CP-8391-xxx leads from actuator terminals X, 2, and 3.
2. Refer to specific actuator for power hook-ups.
3. Short actuator terminal X to 2 and the actuator should rotate CW to its limit.
4. Short actuator terminal X to 3 and the actuator should rotate CCW to its limit.
5. If the unit passes steps 3 and 4, the actuator is good.










