48
DC Inverter Multi
VRF Service Manual
DPOUSPM
8 MONITORING SOFTWARE
8.1 Function 
As the development and improvement of manufacturing technology and in order to solve the problems of 
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easy and reliable to operate must be provided to the users for daily management and maintenance. So this 
long-distance monitoring system combining electronic communication and computer technologies is developed 
to collect the running state of the units and to monitor and control the units from a long distance. Its structure is 
as follow:
8.2 Connection Between the Computer and the Unit 
8.2.1 Notice
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 Optoelectronic Isolated Repeater: One every 800m of communication distance equipped with one and 
one every 30 communication modules equipped with one.