Model Selection Instructions - Gree LSQWRF35VM/NhA-M Service Manual

Notes:
(a) When distance between the output of the BMS system or the output of the optoelectronic converter
to CN4 of the display panel exceeds 800m, an optoelectronic repeater is required to reinforce signals.
(b) The optoelectronic repeater is also required between the CN5 of the display panel and the main
board for extending the communication distance.

2.5.4 Model selection instructions

Rules for model selection
◆
Item
Computer
Remote monitoring kit
Communication patching
board
Optoelectronic isolated
converter
Optoelectronic isolated
repeater
4–core (2–core) category
5 twisted pairs
S=standard; O=field-supplied; P=optional
Model
A series modular type
chiller
Unit Control
Supply scope
Model
\
FG30-00/A(M)
ZTSJ0
GD02
RS485-W
\
Selection of part quantity
Communication
patching board
One patching board for
one unit
Type
CPU: Pentium 4 or above
Memory: 512M or above
Hard disc: 30G or above
O
Serial port: 1 at least
Opertion system: Windows XP/
Windows 2003/Windows Vista/
Windows 7
It is for remote monitoring other
than BMS.
S Other main parts: monitoring
software disc, optoelectronic
isolated converter
It is required when several units
P
forms a network.
It is required when there is no
P remote monitoring kit but RS232
communication is used.
A repeater is required every
800m communication distance or
P
every 30 communication nodes
(control panels).
Its length depends on the actual
O
demand.
Remote monitoring kit
• One set of remote
monitoring kit FG30-
00/A(M) is required；
• The remote
monitoring kit is not
required when the unit
is directly
• Connected to the
BMS system.
21
Remarks
Optoelectronic
repeater
A repeater is
required every 800m
communication
distance or every 30
communication nodes
(control panels).