Thoreson-McCosh Industrial Dryer TD-240

Enter the amp draw of blower motors

Refer to wiring diagram, insert, and individual motor nameplate for specifications

Ensure the unit is powered off before starting the procedure.

Verify that the Blower Rotation Alarm is present on the unit.

Blower Motor Rotation Verification

Is the Blower Rotation Alarm activated?

If no alarm is present, is the blower motor rotating clockwise?

If the blower motor is not rotating correctly, reverse any two of the three incoming power leads to the terminal block.

Do not swap the power leads at the blower itself.

Ensure the unit is powered off before starting the check

Verify that the Blower Rotation Alarm is installed on the dryer

Is the Blower Rotation Alarm activated?

Is the alarm light on and message displayed on the digital readout?

Manual Rotation Check (if no alarm)

Remove the side panel to access the process blower motor

Is the process blower motor rotating clockwise?

Locate the sensor manifold assembly

Remove sensor and insert from manifold

Remove the insert from the sensor

Is the process dew point within the acceptable range (max. = −40°F)?