Preface

Copyright Statement

This guide may not be reproduced in any form or by any means to create any derivative such as translation, transformation, or adaptation without the prior written permission of Xiamen Milesight IoT Co., Ltd (Hereinafter referred to as Milesight).

reserves the right to change this guide and the specifications without prior notice. The latest specifications and user documentation for all Milesight products are available on our official website http://www.milesight.com

Safety Instruction

These instructions are intended to ensure that users can use the product correctly to avoid danger or property loss. Milesight will not take responsibility for any loss or damage resulting from failure to follow the instructions in this operating guide.
Warning: Serious injury or death may be caused if any of these warnings is neglected.
  • The installation must be conducted by a qualified person and should strictly comply with the electrical regulations of the local region.
  • Before installation or maintenance, make sure to keep the power off. Failure to follow these steps may result in personal injury and/or death from electric shock.
  • Make sure all wires are connected, and unused cables must be insulated and secured.
  • Please contact the after-sales service for equipment failure, do not try to repair it yourself.
CAUTION: Injury or equipment damage may be caused if any of these cautions are neglected.
  • The device is intended only for indoor use.
  • The device is not intended to be used as a reference sensor, and Milesight will not take responsibility for any damage which may result from inaccurate readings.
  • The device must not be disassembled or remodeled in any way.
  • Do not place the device close to objects with naked flames.
  • Do not place the device where the temperature is below/above the operating range.
  • The device must never be subjected to shocks or impacts.
  • To protect the security of the device, please change the device password when first configuring.
  • To prevent heat accumulation, do not block air circulation around the device.
  • Do not clean the device with detergents or solvents such as benzene or alcohol. To clean the device, wipe with a soft moistened cloth. Use another soft, dry cloth to wipe dry.

Revision History

Release Date Version Revision Content
Jan. 17, 2025 V2.0 Initial version based on hardware v2.x:
  1. Change room card switch input type and name;
  2. Add D2D data receiving feature;
  3. Add compressor and auxiliary heat linkage feature;
  4. Add Temperature Control Mode Enable and Target Temperature Resolution feature;
  5. Add dual target temperature mode under Auto mode;
  6. Add downlink feature: Temporary unlock, W2/Y2 auxiliary mode, Relay change report, Send humidity data.
  7. Add schedule type: Occupied, Unoccupied, ECO.
  8. Update the definition of O/B;
  9. Update compressor protection to system protection;
  10. Add temperature control mode and target temperature tolerance in the schedule;
  11. Add FUOTA feature.
May 31, 2026 V2.1
  1. Add WT211 model accessory and installation contents;
  2. Support custom temperature control stages;
  3. Add occupancy mode settings;
  4. Add unilateral tolerance feature;
  5. Add timezone offset feature;
  6. Add offline unlock feature;
  7. Optimize system protection and freeze protection.