Thoreson-McCosh Industrial Dryer TD-1500

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

Ensure the unit is powered off before inspection

Remove the side panel to access the blower motor

Is the Blower Rotation Alarm present on the dryer?

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

Is the process blower motor rotating clockwise?

Reverse any two of the three incoming power leads to the terminal block if rotation is incorrect

Check that all components are in place

Enter the amp draw of blower motors

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

Ensure the oven is preheated to 600°F / 316°C

Prepare an air tight jar for cooling the desiccant

Regenerate the desiccant in the oven for 2 hours at 600°F / 316°C

Place the desiccant into an air tight jar and allow it to cool to room temperature for a minimum of 12 hours

Pour 30ml of water into a small glass

Record the initial temperature of the water using a mercury thermometer

Locate the sensor manifold assembly

Remove sensor and insert from manifold

Remove the insert from the sensor