Trane Blower Coil Air Handler BCHE048DAA10A2

Ensure not to recharge the batteries

Use only UL-listed lithium batteries

Do not connect the sensor to a power supply

Select action if sensor is unused for extended period

Power up a receiver with a 24 V transformer (user supplied)

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 LEDs and display

Choose method for removing nylon standoffs

If using the latch method, are the standoffs retained on the metal panel?

Handling VelociTach Motor Control Board

Use ESD protection wrist-strap?

Touch a grounded surface to discharge static buildup?

Replace connectors carefully onto the appropriate board

Is the green wire attached to the engine board white connector?

Acknowledge understanding of safety precautions

Disconnect all electrical power to the unit

Wear appropriate personal protective equipment (PPE)

Drain Pan Inspection and Cleaning

Check for evidence of standing water or condensate overflow

Identify and remedy the cause of standing water or overflow, if any

Warning! Hazardous Service Procedures!

Acknowledge understanding of safety warnings

Pre-maintenance Safety Procedures

Disconnect all electrical power including remote disconnects

Discharge all energy storing devices such as capacitors

Follow proper lockout/tagout procedures

Manually rotate the fan wheel to check for obstructions

Describe any obstructions or debris found and actions taken