Trane Blower Coil Air Handler BCHE054DAA10A2

Ensure all electrical power is disconnected

Follow lockout/tagout procedures

Manually rotate the fan wheel to check for obstructions

Remove any obstructions and debris

Acknowledge understanding of safety precautions

Wear Personal Protective Equipment (PPE)

Disconnect all electrical power to the unit

Is there evidence of standing water or condensate overflow?

Identify and remedy the cause of standing water or overflow

Disconnect all electrical power to the unit

Wear appropriate personal protective equipment

Install a block-off to prevent spray from going into a dry section of the unit and/or system ductwork

Clean the contaminated area(s) with an EPA-approved sanitizer specifically designed for HVAC use

Rinse the affected surfaces thoroughly with fresh water and a fresh sponge

Repeat cleaning and rinsing if necessary

Acknowledge understanding of the warning and safety instructions

Disconnect all electrical power to the unit

Wear appropriate personal protective equipment

Use a soft brush to remove loose debris from both sides of the coil

Install a block-off to prevent spray from going through the coil

Mix a high-quality coil cleaning detergent with water according to the manufacturer’s instructions

Power up a receiver with a 24 V transformer

Associate the sensor to a receiver of the same model intended for the job

Place the receiver at the desired location

Place or hold the sensor at the desired location

Press the Test button (S5) on the sensor

Observe the signal strength as indicated by LED1, LED2, and LED3 on model WZS

Observe the signal strength on the display on model WDS

Refer to 'Testing Signal Strength' for interpreting LEDs and display symbols