Gree GMV5 Series

GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
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2 REMOTE CONTROL
Gree CAC Remote Monitoring System is an Internet- or LAN-based remote automation and
centralized management system, a smart energy management system, and an all-round solution to air
conditioning systems, providing remote control, fault alarm, visualized management and other functions,
enabling users to manage air conditioning units in a real time, safe, and effective way.
Gree CAC Remote Monitoring System helps users reduce manpower input and management cost.
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.
2.1 MODBUS GATEWAY REMOTE MONITORING SYSTE
2.1.1 Major Functions
Visualized management
Centralized control
Energy management
Monitoring running state of central air conditioners
Fault alarm
Setting running parameters of units
2.1.2 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.
2.1.3 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: