Gree GMV-224WM/B-X, Service Manual

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GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
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Through a browser (for example, IE, Firefox, or Chrome), users, wherever they are, can control air
conditioners of a building over Internet, including running state query, unit start/stop, and temperature
setting.
GMV5 remote monitoring system supports Modbus and BACnet gateways, which can be selected based
on actual situations.
Modbus Gateway Remote Monitoring System
1. Major Functions
Visualized management
Centralized control
Energy management
Monitoring running state of central air conditioners
Fault alarm
Setting running parameters of units
2. Terms and Definitions
Server: A PC for installing Gree CAC Remote Monitoring System and providing remote monitoring and
data collection services.
Client: A PC for users to access server resources. Through the browser installed on this PC, users can
access Gree CAC Remote Monitoring System of the server to perform unit control, data display, and
management functions.
3. Network Topology of Gree CAC Remote Monitoring System
Gree CAC Remote Monitoring System relies on Modbus gateways (model, for example,
ME30-24/E4(M) )
to communicate with software. The software, gateways, and air conditioning units are combined into a
system network. See the following figure: