Trane Blower Coil Air Handler BCHE012BAA10A2

Ensure the following conditions are met before starting

Is all electrical power disconnected from the unit?

Disconnect piping from coil headers

Remove coil and motor side panels

Is it necessary to remove the opposite side panel for sensor or screw access?

Sensor and Switch Disconnection

Disconnect the following switches and sensors

Disconnect all electrical power to the unit

Wear appropriate personal protective equipment

Use a vacuum device with a HEPA filter to remove accumulated dirt and organic matter

Confirm the drain line is open following the cleaning process

Allow the unit to dry thoroughly before putting it back into service

Replace all panels and parts and restore electrical power to the unit

Ensure no contaminated material contacts other areas of the unit or building

Properly dispose of all contaminated materials and cleaning solution

Disconnect all electric power, including remote disconnects, before servicing.

Follow proper lockout/tagout procedures to ensure the power cannot be inadvertently energized.

Inspect fan sections for evidence of microbial growth (mold).

Is there evidence of microbial growth?

If microbial growth is found, identify and remedy the cause immediately. Refer to 'Troubleshooting' on page 143 for possible causes and solutions.

Wear appropriate personal protective equipment.

Initiate signal strength test by pressing the Test button on the sensor

Check signal strength indication on Models WZS

Observe LED1, LED2, and LED3 on the sensor for signal strength

Observe LED1, LED2, and LED3 on the receiver for signal strength

Check signal strength indication on Model WDS

Observe test symbols on the sensor display for signal strength

Observe LED1, LED2, and LED3 on the receiver for signal strength

Acknowledge understanding of safety precautions

Ensure Personal Protective Equipment (PPE) is worn

Drain Pan and Drain Line Inspection

Is the condensate draining as designed?

Is there evidence of standing water or condensate overflow?

Disconnect all electrical power to the unit