CoolMaster, CoolGate, Cool4M via RS232
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- Download and Run Cool Master FW Update Tool: CM4-FW-0.0.5.exe
- Get the FW Image. It can be downloaded here: "CoolAutomation Download Page"
- Select COM Port where the CoolMaster is connected to and click "Open"
- Click "Load FW Image" and browse for desired image file
- Click "Update" to start FW update procedure
- If HVAC Type change is required please use "HVAC Type" tab