York R-410A, Technical & Service Manual, Page: 326 / 385

Controller
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4. 3rd Intelligent Network Control & Monitor System
4.1 Overview of System
1) Third-generation network monitoring and control system
YDS intelligent network air-conditioner management system is upgraded and improved
on the basis of the previous YDS network management system. The upgraded system integrates
the previous version of network monitoring and control system and network electricity allotment
system and is applicable to the second generation of YDS commercial network. YDS and YDV
outdoor units are used for the refrigeration system in case of electricity allotment.
2) Applications
This network system is ideal for applications in small and medium-sized buildings and can
manage up to 1024 indoor units and 512 outdoor units. It is mainly used for centralized
monitoring and controlling of air conditioning system of small and medium-sized buildings.
3) Characteristics
3.1 The system adopts constructive concepts, where the system assigns some properties
to the air conditioners so that the air conditioners can contact with outdoor units and sets and
meanwhile have billing features during use.
3.2 The system adopts the concept of hierarchical users to ensure the all the operations
of users will not influence correctness of system data
3.3 The system pays attention to the operation data of indoor and outdoor units and this
provides basis for future maintenance of air conditioners.
3.4 The YDS LON gateway offered by the system can facilitate control of system air
conditioners by outside LON.
3.5 The system can select electricity allotment by changing the property of indoor unit.
3.6 The system can rapidly prompt the faults and troubleshooting method of a certain air
conditioner within the system.
3.7 The system can fulfill on-line diagnosis service through INTERNET to ensure safe use
of your air conditioning system.