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1.2 Name of Each Part
See the name of each parts of the product shown in Figure 1.2, 1.3.
POWER
RUN
H-NET
Modbus/BACnet WIFI
RS-485
RUN (green) Running status of the product
when flashing the product usually can control
the air conditioner
Screw (M3) for fix the top cover
POWER (red)
Power shows LED , lighting up
When supplying power for the product
H-NET (green)
H-NET state shows LED flash in
communication with air conditioner
Digital tube
Displays SW version number when turn on
power, usually display system number and
alarm code
LOGO and Model No.
WIFI (green)
Flash when using WIFI for connection
Modbus (green), no BACnet. Flash when
using Modbus TCP for communication
RS-485 (green)
Flash when using Modbus RTU
for communication
Screw (M3) for fix the top cover
Figure 1.2 Name of each part 1
Communication terminal
Connect with air conditioner
1 2
LAN
SD
NO USE
NO USE
A RS-485 B
OUTPUT
2 1 +12V
INPUT
2 +5V 1
WIFI
POWER
USB
LAN connector
Connect with computer, etc.
MINIUSB
For charging
SD card socket
Insert SD card
Reserved connector
This machine cannot use
RS-485 Connector
A/+,B/-
External output connector
Output 2, output 1, +12V
External input connector
Input 2, +5V, input 1
POWER 12VDC input
(Inside positive
outside negative)
Upper cover
grille for heat
radiation
Rubber feet
WIFI antenna
Reserved connector
This machine cannot use
Figure 1.3 Name of each part 2
1 System Constitution