WIRELESS SERVICE TOOL

ABOUT YOUR WIRELESS SERVICE TOOL (WST)

The Wireless Service Tool (WST) is designed for use with Tranquility Water-Source Products.

• Power is supplied by the water source heat pump control or by a USB-C port.
• Features a 2.4Ghz Wi-Fi antenna.
• The WST is NOT water resistant.
• Can communicate with ONE Wi-Fi enabled device that is up to 20 feet from the WST.

Visual Description of WST: A handheld device with a screen displaying status indicators for Power, Modbus TX, Modbus RX, Status, and Fault.

LED Light Indicators

1. Power LED: Indicates the WST is powered.
2. Modbus TX/RX LEDs: Indicate the WST is communicating with the WSHP (Water Source Heat Pump).
3. Status LED: Indicates the WST is communicating with a Wi-Fi enabled device.
4. Fault LED: Flashes every 5 seconds during normal status and flashes rapidly during an OTA (Over-The-Air) update.

Connecting the Wireless Service Tool to a Water-Source Heat Pump (Wired)

If connecting to the port located on the unit's corner post (refer to Figure 2), use harness part number 11B0100N79 (refer to Figure 1).

1. Plug the green connector into the WST.
2. Plug the white connector into the port on the corner post of the WSHP.
3. The TX/RX LEDs on the WST will illuminate, indicating communication with the unit control board.

Figure 1: Harness 11B0100N79 showing a green connector on one end and a white connector on the other.

Figure 2: Service Tool Ports on the WSHP. Shows a USB-C port and an RS-485 port for connecting the harness.

CONNECT THE WIRELESS SERVICE TOOL TO A CXM2/DXM2.5 (WIRED)

If connecting to the port located on the CXM2 or DXM2.5 control, use harness part number 11B0100N80 (refer to Figure 3).

1. Disconnect power from the WSHP, remove the unit front access panel, and open the control panel.
2. Plug the green connector into the WST.
3. Plug the white connector into the communications port on the CXM2 or DXM2.5 (refer to Figure 4).
4. Power on the WSHP.
5. The RX/TX LEDs on the WST will illuminate, indicating communication with the unit control board.

Figure 3: Harness 11B0100N80 showing a green connector on one end and a white connector on the other.

Figure 4: Diagram illustrating the connection of the WST to the DXM2.5 or CXM2 control board using harness 11B0100N80. It shows the specific ports on the control board labeled for connection.

LINK A WI-FI ENABLED DEVICE TO THE WIRELESS SERVICE TOOL

Before proceeding, ensure the RX/TX lights on the WST are flashing. Choose one of the following methods to access the WST web application:

• Automatic method: Using the camera on your Wi-Fi enabled device, scan the QR code on the back of the WST. (QR code image excluded).
• Manual method:
  1. Open the Wi-Fi settings on your Wi-Fi enabled device.
  2. Find "WSTXXX" in available networks then select it.

NAVIGATE TO THE WEB APP

1. The green status LED illuminates and remains solid, indicating that the WST is communicating with your Wi-Fi enabled device.
2. Open the browser on your Wi-Fi enabled device.
3. If the WST Web App does not display in the browser, enter the following address: 192.168.4.1

WIRELESS SERVICE TOOL APPLICATION, OPERATION & MAINTENANCE MANUAL

For detailed Wireless Service Tool information, refer to the WST Application, Operation, and Maintenance (AOM) manual (part #97B0169N01).

Product Information and Disclaimer

ClimateMaster, Inc. works continually to improve its products. As a result, the design and specifications of each product at the time of order may be changed without notice and may not be as described herein. Please contact ClimateMaster's Customer Service Department at 800-299-9747 for specific information on the current design and specifications. Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties, but are merely ClimateMaster's opinion or commendation of its products. Engineered and assembled in the USA. © ClimateMaster, Inc. All Rights Reserved 2024