Installation Instructions

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Table Of Contents

TK 61990-11-IS

©2021 Trane Technologies

27

Battery Replacement

1. To replace the sensor battery

NNoottee:: The door and temperature sensors use battery TK PN 2030998 / CR3677X. This special

battery is qualified to work at temperatures from -40ºC to 85ºC. See images to understand

how to replace the battery.

• Remove the label (1).

• Remove the screws (2).

• Replace the battery.

• Torque the screws to xx N.m.

• Dispose the used battery in a suitable container.