Gree A Series Service Manual page 62

4.6.4.1.2 Selection of Part Quantity
Model
A series modular
type chiller
4.6.4.2 Examples of Model Selection
4.6.4.2.1 Example 1
This project consists of 3 LSQWRF60VM/NaA-M, one control panel and BMS. The
maximum communication distance is within 800m. The BMS interface is RS232 and one
converter is required.
Name
Air conditioning system
Optoelectronic converter
4.6.4.2.2 Example 2
This project consists of 7 groups LSQWRF60VM/NaA-M, six groups concluding 3 and the
other concluding 1. Seven control panels are required. The communication distance is larger
than 800m but be or less than 1600m. One repeater is required for somewhere the
communication distance is over 800m. The BMS interface is RS485.
Name
A series variable-frequency
modular type chiller
Accessory XE73-25/G
Patch board ZTSJ0
Optoelectronic repeater
RS485-W
A Series Modular-type Air-cooled (Heat Pump) Chiller
Communication
patching board
One patching board
for one unit
EL01500720
EN02200020
EL01500720
NC20700050
30118023
EN02200010
Remote monitoring
kit
1)one set of remote
monitoring kit FG30-
00/A(M) is
required；
2)the remote
monitoring kit is not
required when the
unit is directly
connected to the
BMS system.
Code
Code
57
Optoelectronic
repeater
A repeater is
required every 800m
communication
distance or every 30
communication
nodes (control
panels).
Quantity
1(3 LSQWRF60VM/NaA-M)
1
Quantity
19 LSQWRF60VM/NaA-M
7
6
1