Recessed Door/ Window Sensor (ZD2105US-5) manual for Z-Wave

The following is an overview of the user manual for the Z-Wave product Recessed Door/ Window Sensor (ZD2105US-5)from Great Connection System Pte. Ltd.. To view other Z-Wave products and manuals from Great Connection System follow that link.

  1. Overview
  2. Security
  3. Features
  4. Installation instructions


Recessed Door/ Window Sensor
SKU Code
The ZD2105-5 Door and Window sensor is used in any Z-Wave network to detect the opening or closing of a door or window. Special Design can fit most of door/window frame. The primary sensing element is a magnetic reed switch, the ZD2105-5 is supplied with the sensor, sensor mounting bracket and the trigger magnet. An additional set of sensor inputs are provided through a 2 position screw terminal and can be used to expand the sensor capability to multiple inputs. The ZD2105-5 is powered by 2 x AAA Battery (supplied with unit, battery life is more than 2 years) and is intended for indoor use only. The ZD2105-5 features tamper proof switch, low battery warning and can be firmware updated over the air.
Version #
HW: 1 FW: 24.01 was the version certified
Certification #
Z-Wave Version


As a Z-Wave Plus certified product, Recessed Door/ Window Sensor supports Z-Wave S2 security. The following security modes are directly supported:

  • S2 Authenticated
  • S2 Unauthenticated


Great Connection System describes Recessed Door/ Window Sensor as having the following features:

  • Battery Quantity
  • Sensors
  • Color
  • Outdoor Use
  • Supported Notification Types
  • Battery powered using CR2 batteries
  • FLiRS capable
  • Supports Network Wide Inclusion
  • Supports Z-Wave Explorer Frames
  • Supports Z-Wave SmartStart allowing you to setup the product simply by scanning its QR code via

Installation instructions

For “Inclusion” in (adding to) a network: Put the Z-Wave™ Interface Controller into “inclusion” mode, and following its instruction to add the ZD2105 to your controller. To get in the “inclusion” mode, the distance between sensor and controller is suggested to be in one meter. Press the program switch of ZD2105 then the device will send a signal to be included (or excluded) to/from the network; otherwise, ZD2105 will go to sleep after 20 seconds.

For “Exclusion” from (removing from) a network: Put the Z-Wave™ Interface Controller into “exclusion” mode, and following its instruction to remove the ZD2105 from your controller. Press the program switch of ZD2105 for 1 second at least to be excluded.
Note: All user and network settings will be cleared and the device reset to factory defaults when the device is excluded.

Factory reset Recessed Door/ Window Sensor

Factory Default Reset: Trigger the rear cover switch to send the Alarm Report and trigger the reed switch (close & open) 5 times in 10 seconds, ZD2105 will send the “Device Reset Locally Notification” command and reset to the factory default.
(Remark: This is to be used only in the case of primary controller being inoperable or otherwise unavailable.)

Press program switch to send the NIF and after 3 seconds to send Wake Up Notification for receiving all the command class from controller. If ZD2105 received “Wake Up No More Information” command then the ZD2105 will go to sleep mode or it will wait 10 seconds then go sleep mode. It will proceed all the commands after sending the “Wake Up Notification”

PowerLevel Control, Battery Votlage Detection(Auto report low battery),OTA function

Please note that this is a user manual Recessed Door/ Window Sensor from Great Connection System Pte. Ltd. is provided as is and without warranty; all information contained herein is provided by the manufacturer or the certifying body. The information provided is for reference only and is not intended to be used as a substitute for professional advice. only warrants and is only able to support products purchased directly from us. If you have Recessed Door/ Window Sensor and have not purchased it from us, please contact the manufacturer directly with any further questions you may have.