16
DC Inverter Multi VRF System II
Service Manual
CONTROL
ّ
RS485 interface: When RS485 converter is under RS485 communication mode, connect air conditioner’s RS485 data interface.
RS485 interface exhibits polarity and terminal A and B are different.
4.3.2.4 Installation notice
ّ
Install indoors. To avoid collision, it is suggested to place it in the monitoring room together with the computer.
ّ
No need of power supply. Power is supplied through computer’s USB interface.
4.3.3 Communication board
Communication board is mainly used for transferring data. It functions similar with a patching board. Provided that units are far away
from the monitoring computer, communication board can be used for connection.
4.3.4 Communication cord
4.3.4.1 USB wire
ّ
Connect USB wire with computer’s USB interface at one end and with the USB interface of USB data converter at the other end, as
indicated below:
4.3.4.2 Board Connection Wire
There are 2 board connection wires supplied for the commissioning tool kits. One is 1 meter’s long and the other is 5.5 meters’ long.
They are only different in length. One end of the wire shall connect with air conditioner’s communication interface and the other end shall
connect with CAN interface of Gree USB converter. As shown below, the wire can be connected to the communication interface of outdoor
unit or the communication interface of indoor unit:
4.4 Software introduction
(1) One-button commissioning
Personnel responsible for the commissioning of air conditioners can start commissioning by pressing one button according to the
commissioning logic of software, which will give the commissioning order to units. Then commissioning will be started up automatically
step by step. During the commissioning, the corresponding process will be ticked in green on the software interface. If any commissioning
process is not normal, it will be displayed in red.
(2) Comprehensive monitoring
The software can monitor every part of the air conditioning system, including functions, equipment and components operating status.
The monitoring results will be displayed in text or curve so that user can acquire the operating status of the entire system conveniently and
straightforwardly.
(3) Real-time control
Air conditioner’s operating time and requirements may be different based on areas and functions. User can set units’ parameters on
To Next Page
Loading...
Need help?
General