GREE DC Inverter Multi VRF System II Service Manual
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3 Monitoring Software
3.1 Function introduction
With the rapid development of building complex, more and more central air conditioners in various
models are used in different places, resulting in inconvenience for the management of air conditioners.
Integrating with telecommunication technology and computing software, Gree Commissioning Tool Kits
can realize the comprehensive monitor, control and commissioning on central air conditioners. It is an
efficient solution for the management of central air conditioners that are separated in different parts of a
building. Administrator doesn’t need to control every unit on site, but rather controls the units by just
sitting in front of a computer. This will not only improve the productivity, but also reduce cost on human
resources, property and management.
Gree Commissioning Tool Kits can monitor and control the 2nd generation of Gree Multi VRF. User
can monitor and control units by monitoring the computer. This software is an efficient tool for the
intelligent air conditioning management as well as installation and after-sales service and commissioning.
It can debug units and control units’ operation status quickly and conveniently. It will not only improve the
productivity but also reduce the difficulty and cost of commissioning and maintenance, providing better
and faster service to customers.
3.2 Connection of computer and units
It can be connected with single-system network or multi-system network. In the single-system network,
indoor units or outdoor units are connectable, while in the multi-system network, only the master outdoor
unit can be connected.
Seen from the diagram, Gree commissioing network is made up of 3 parts:
The 1st part is the monitoring computer, including Gree debugger and Gree USB converter driver that
are installed in the computer.
The 2nd part is Gree USB converter, which is to convert the air conditioning communication into
computing communication. This part is made up of Gree USB data converter and USB data wire.
The 3rd part is air conditioners, including outdoor units, indoor units and the connection wires. If
connection wire is not long enough, it’s OK to connect via the patching board of the commissioning tool
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