Com Interface Board; Lines; Software Setup And Uninstall; Prerequisites - Gree Ultra Heat GMV Multi VRF Heat Pump Series Service Manual

Ultra Heat GMV VRF Technical Service Manual

3.3 COM Interface Board

This board mainly transfers data. Providing a transfer function, the board serves to connect units
with control PCs when they are too distant to communicate.

3.4 Lines

3.4.1 USB Data line
A USB data line is connecting to a USB interface of a PC at one end and to another USB interface
of a converter at the other end. See the following figure:
3.4.2 Connecting line
Gree Debugger is accompanied with two lines: 1 m and 5.5 m. They are completely the same
except the length. The line is connecting to the COM interface of an air conditioning unit at one end and
to the CAN interface of a converter at the other end, as shown in the following figure. The air
conditioning unit can be either an IDU or an ODU.

4 SOFTWARE SETUP AND UNINSTALL

4.1 Prerequisites

Memory
Hardware
CPU
OS

4.2 Installation Procedure

Make sure you have the administrator permission. Put the U-disk into the computer. Double click the
―VRF Debugging Software.exe‖ to begin software installation. During installation process, the necessary
Connecting line
Windows XP: Microsoft Office 2010、Access2010, .NetFramework 4.0
Windows 7 or above: Microsoft Office 2010、Access2010, .NetFramework 4.5.2 or above
Min: 4 GB
Recommended: 4 GB or larger
50 GB available
Core 2 or later versions
Min: 3 GHz
Recommended: 3 GHz or higher
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